SCIENTIFIC ABSTRACT GAYDUKOV, M.G. - GAYDUKOV, YU. P.

• Document Type: CREST
• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R000514520010-3
• Release Decision: RIF
• Original Classification: S
• Document Page Count: 100
• Document Creation Date: November 2, 2016
• Document Release Date: July 19, 2001
• Sequence Number: 10
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

25920 S/126/61/012/001/012/020
The role of slip and diffusion E193/E480
These were annealed at 800 to 900%, the annealing temperature for
each alloy having been selected so as to obtain the same grain-size
(approx. 0.1 mm) in all test p eces. The rate of plastic
deformation varied between 10-~ and 10-11 (sec-1). In the first
stage of the investigation, the effect of alloy comp?sition and
experimental conditions on the rate of deformation E was studied.
The results relatint to steady creep are reproduced in Fig.1,
where log i ( ,ec- ) is plotted against the Cu content W in
the alloys tested at 5 kg/mm2. The test temperature is
indicated by each curve. In Fig.2, log ~ (sec-1) is plotted
against the Cu content (%) in alloys tested at 600*C, the magnitude
of the applied stress (2 and'9 kg/MM2) being indicated by each
curve. In the next stage of the investigation the relationship
between the applied stress a and the activation energy Q of the
deformation process was studied. The results are reproduced
graphically. In Fig.5, Q (kcal/mol) is plotted against
a (kg/MM2), the experimental points denoted by crosses-, circles
and dots relating, respectively, to p%xre nickel, 40% Cu-Ni alloy
and 60% Cu-Ni alloy. In Fig.6, log c (sec-,l) is plotted against
lo3/T (where T is the absolute temperature) for the 40% Cu-Ni
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25920 s/.L26/61/012/001/012/020
The role of slip and diffusion ... E193/E480
alloy tested under conditions of stress relaxation, curves 1 to 7
re'lating, respectively, to a x 0.4, 0.6, M, 1-o, 1.2, 1.4 and
I ,6 kg/mm2. Fig-7 shown the same relationship for the 40% Cu-Ni
alloy tested under conditions of cre;p,,curves 1 to 4 relating,
respectively, to a a 2, 3, 4 and 5 k / 2. Finally, the effect of
applied stress and temperature on the rate of deformation was
determined. Some of the results are reproduced in Fig.8 and 9.
In Fig.8, i x 109 (see-1) is plotted against a (kg/mm2) for the
40% Cu-Ni alloy tested at 600*C, Fig.9 showing the same relationship
for the 60% Cu-Ni alloy. Correlation of these with results of
X-ray diffraction analysis, data obtained by other workers, and
theoretical considerations led the present authors to the following
conclusions. (1) The processes of creep and relaxation can be
regarded as a result of a complex interaction between deformation by
slip and diffusion. The relative part played by each of these
depends on temperature and on the magnitude of the
applied stress, (2) Under the conditions of low temperature and
high applied stresses, the plastic deformation in creep can be
described by the expression, due to S.N.Zhurkov.
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The role of slip and dimpilon E193/E48o
Q - YO
RT
High activation energy and the fact that the above relationship is
alid for low temperature and high rates of deformation indicates
that under these conditions plastic deformation in creep takes
place predominantly by the mechanism of slip. (3) Under conditions
of high temperature and low applied stresses, the activation energy
for the deformation increases with decreasing stress and approaches
the activation energy for the diffusion of the alloying element.
In this case the process of deformation in creep can be described*by
the known equation for plastic deformation by diffusion:
DOO
Fk-T
Under these conditions of deformation the strength of alloys
decreases and may be lower than that of unalloyed metal which
indicates the predominance of the diffusion mechanism of deformation.
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S/126/61/012/001/012/020~
t5920 E193/E48o
The role of slip and diffusion ...
(4) In the intermediate region of temperature and stress, plastic
deformation by slip takes place side by side with the diffusion
relaxation process. The results of X-ray analysis indicate that
under these conditions the plastic deformation brings about
fragmentation of the crystals and formation of blocks. In this
case the deformation in creep is approximately described by the
formula due to J.J.Weertman (Ref.28: J.Appl.Phys., 1955, 26, 1213)
i . C&Q/RT] exp(- Q/RT)
There are 12 figures, 3 tablos and 28 references% 18 Soviet and
7 non-Soviet, The four most recent references to English language
publications read as follows: Ardley G.W. Acta met., 1955. 3, 525;
Greenough A.P. Phii. mag., 1958, 3, 1032; McLean D. Inst.Metals,
1952-53, 81, 287; Weertman J. J.Appl.Phys., 1955, 26, 1213.
ASSOCIATION: Institut fiziki metallov AN SSSR
(Institute of Physics of Metals AS USSR)
SUBMITTED: December 22, 1960
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f"I
32657
S/126/61/012/005/017/028
E091/E335
AUTHORS-. Pavlov, V.A., Gaydukov, M.G.. and Mallnikova, V.V.
TITLE-, 'Mechanism of plastic deformation in the creep of
aluminium-magnesium alloys
PERIODICAL: Fizika metallov i metallovedeniye, v. 12, no. 5,
1961, 748 - 755
TEXT: Pure aluminium and aluminium alloys containing 0.1,
I and 201o' Mg were investigated. The alloys ifere melted under flux
in a high-frequency furnace. The ingots were forged into rods of
18 mm diameter, from which specimens 50 mi-.1 long and 8 mm in
diameter were made for creep-testing and other 100 nim long and
8 mm in diameter for stress-relaxation testing. The specimens
- 44o 0C. Foreach alloy, the annealing
were annealed at 420
temperature was selected so that a linear grain diameter of 0.1
mm should be obtained. The rate of plastic deformation was
-4 -1 _10 _1
chosen within the limits 10 See to 10 see Rates below
10-8 see-1 were obtained during stress-relaxation and the higher
rates in creep. The mechanism of plastic deformation could be
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32657
S/126/61/012/005/017/028
,Nechanism of plastic .... E091/E335
judged from the dependence of the rate of deformation on
solid-solution concentration, from the energy of activation
and its dependence on stress and from the dependence of the
rate of deformation on stress. It was found that the mechanism
of plastic deformation under conditions of creep and stress
relaxation, both in Al-NMS and Ni-Cu alloys, underwent .1 change
on varying the conditions of deformation. As a result of
such changes, diffusion processes begin to play an ever-increasing
role with increase in temperature and decrease in deformation
stresses. At relatively low temperatures and high deformation
stresses, the mechanism of plastic deformation is governed by
slips The diffusion mechanism predominates in the region of
high temperatures and low stresses. Plastic deformation by slip
takes place in the intermediate range of temperature and stresses
in conjunction with relaxation processes. Alloying Al with Mg
leads to an extension of the stress range in -which difrusion
processes play a noticeable role in plastic deformation, This
extension is due to the increased resistance to the development
of deformation by slip and due to a -reater decrease in the energy
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32657
S/126/61/012/005/017/0n~8
Mechanism of plastic E091/E335
of activation with increase in stresses in the alloys as the
diffusion mechanism of plastic deformation jorocees. S.N.Zhurkov,
T.P, Sanfirova, B.Ya. Pines and A.F. Sirenko are izientioned in
the article in connection with their contributions in this field.
There are 11 figures, 1 table and 18 references: 14 Soviet-bloc
and It non-Sovict-bloc. The four referelices
rientioned are: Ref. 9: F.R. Nabarro - Rep. Conf. Strength of
Solids, L, 1948, 75; Ref. 10: C.J. Herring - J. Appl. Phys.,
1950, 21, no. 5, 437; Ref. 11: J.J. Weertman - J. Appl. Phys.,
1955, 26, 1213; Ref, 18: F.H. Buttner, E.R~ Funx, H. Udin
J.. Metals, 1952, 11, 401.
ASSOCIATION: Institut fiziki metallov AN SSSR (Institute of
Paysics of Metals of the AS USSR)
SUBMITTED: March 27, 1961
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S/123/62/000/015/00;?/013
A052/A101
ALITHORS: Sadovskiy, V. D., Sokolkov, Ye. N., Lozinskiy, M. G., Petrova, S. N.,
Antipova, Ye. I., o Mirmel'shteyn, V. A.
TITLE: The effect of thermomechanical treatment on refractory properties of
austenitic steel
PE11IODICAL: Referativ4y zhurnal, Mashinostroyeniye, no. 15, 1962o 21, abstract
15Ai15 (In,collection; "Issled. po zharoprochn. splavam". T. 7,
Moscow, AW,~SSSRO 1961, 202 - 209)
TPU: The effect of thermomechanical treatment on the change of structure
of,, austenitic alloyed stiel in the process of high-temperature stretching in a
v4QUUM (at 9000C and 9504,kg/mm2 stress) and on the rupture strength at 6500C
2 ?-,k studied. The thermomechanical treatment consisted of
35 and 38 kg/mm ) w4p
rolling with 25 - 30% reduction in area and 5-7 m/min. speed at 1,000 L 1,1000C
and a subsequent water hardening. It is pointed out that thermomechanical treat-
ment increases the rupture strength and inhibits the process of creep rupture;
this is explained by the characteristics of the structure forming at a high-tem-
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The effect of thermomechanical~.. A052/AI01
peratur.e plastic deformation. There are 16 references.
[Abstracter's note; Complete translation)
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C, r,
26/62/013/003/007/023
Y4-0 E193/E383
i AUTHORS: Petrova, S.N., G
and Smirnov, L.V.
TITLE: The effect of thermomechanical treatment on creep-
resistance of nickel
PERIODICAL: Fizika metallov i metallovedeniyo, v. 13, no- 3,
1962, 380 - 386
T=,: Thermomechanical treatment (TMO) constitutes a new
method of improvIng the strength of stools and othef alloys.by
means of hot plastic deformation, followed immediately by
quenching. The treatment has been extensively studied both in
the Soviet Union-and abroad but the interpretation of the results
has been someWhat difficult owing to the fact that the changes
observed could be attributed both to TMO and to the effect of
solid-state transformations taking place in the alloys studied
hence the present investigation carried out on technically pure
nickel. Square cross-section test pieces (11-5 X 11;5ox 70 mm)
0
were heated to 1 100 C, cooled in the furnace to 80 C, hot-
.2
rolled at this temperature to 2594'.reduction at a rolling,speed of
11 m/min and then immediately quenched in water. Another series
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The effect of .... E193/E383
~O
of test pieces was subject to the same heatin �/- cooling cycle
without, however, plastic deformation at 800 C. Creep tests
were carried out at 500 0C on test pieces of each series. The
results are reproduced in Fig- 3, where the stress
2
(o,, kg/mm ) is plotted against time-to-rupture hrs),
p
the continuous and broken curves relatIng, respectively, to
material subjected to TMO and to the pilot_ est pieces. The
rate of steady creep amounting to 1.1 x 10 9O'/hr for the pilot
-4 . I
test pieces was 3-5 x 10 J'o/hr for material subjected to TMO.
Since it could be postulated that the higher creep resistance of
specimens subjected to TDIO was due to their higher hardness o
(100 BHN as compared with 60 BFIN of nickel quenched from 800 C),
a supplementary series of tests was carried 0out on specimens given,
the following treatment: heatin to 1 100 C; quenchingi
250% reduction by rolling at 300 6C and 12 hours annealing at
500 OC. The results are reproduced in a table. It will be
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5 s/126/62/013/003/007/023
The effect of ....
seen that also in this case the material subjected to TMO
exhibited better creep properties. These results,combined
r
with the results of metallographic examinationled the present
authors to the conclusion that the improvement brought about
by 71-10 was associated with the high stability of lattice dis-
tortions caused by this treatment, both in the interior of the
grains and,particularlyin the grain-boundary regions. In
addition, the grain boundaries themselves become distorted in
such a way that they inhibit the propagation of cracks under
conditions of intercrystalline fracture, thus increasing
considerably the time-to-rupture under a given stress.
There are 7 figures and 1 table.
ASSOCIATION: Institut fizik! metallov AN SSSR (Institute of
Physics of Metals of the AS USSR)
SUBMITTED: November 17, 1961
2!
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0973
S/659162/009100010031030
1003/1203
M. G. Noskova, N. I., and Mel'nikova
AUTHORS Pavlov, V. A., Gaydukov,.
TITLE- The slip and diffusion ($%urc of plastic deformation during creep of nickel-copM alloys
SOURCE: Akademiya nauk SSSR. Institut metalturgii. Issledovaniya po zharoprochnym splavam
v. 9. 1%2. Materialy Nauchnoy sessii po zharoprochyrn splavam (1961 g.), 23-30
TEXT. There arc controversial ideas on the mechanism of plastic deformation under conditions of creep.
This work shows that the processes of creep and of relaxation arc the results of both slip and diffusion. The
authors conclude that; 1) At low temperatures and under high stresses, the deformation is due chiefly to slip.
2) At high temperatures and under low stresses the diffusion process prevails. 3) For an intermediate range
of stresses and temperatures plastic deformation is the result of slip and relaxation is the result of diffusion.
The relationship between the rate of creep on the one hand and the temperature and stress on the other, can
in this case be expressed by the equation: E = C(a'1RT)cxp(-ip1RT). In his reply, K. A. Ospiov proclaimed
that no proofs have been given in this work for the existence of a diffusion process during creep. In his opinion
the fact that the activation energy is equal to that of self-diffusion as found by the authors is not sufficient
proof that such a process takes place. There are 4 figures and 2 tables,
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Uo"' ('j
s/i26/62/014/002/012/018
r.193/E383
AUTHOaL: Pavlov, V.A., Gaydulcov, 'Mcllnilova, V.v.
TITLE: Dependeace of the mechanism of pla:;tic deformation in
creep or 11i-Al and Ni-Co alloyq on the conditions of
deformation
PEiZIODICAL: Fizilm metalloy I i:ietallovcdeniye, V. 149 110. 2,
19G2, 275 - 282
T E.XT In continuation of their earlier work on the i-,iechanisi,,i
of creep of .2111i-Cu and Al-rNc alloys, 'the present authors investi-
,c,ated the effect of various factors on the:mcchanist:i of crer.1) -of
Ni-Al and Nli-Co alloys. The Ni-Al alloys, cont*ain'n- up to :;c,' Al
were c:ioscn as one of the experimental materials because they
represeated alloys characterized by relatively large static lattice
distortious and non-monotonic concentration-dependence of the
clostic i.iodulus. In contrast, the lattice distortions in Ni-Co
alloys (;;it!, up to Go?,' Co) werc relatively'small and their
elastic_ -.iodulus was practically inddpendent of the composition.
Tae*crcep tests were carried out at 500 and 800 0C, the rate of
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S/126/62/ol~,/oWoic/oi8
D c:) end c:, c a of E193/E383
4 2 -1
creep V.-'rying between 10 and 10 Sec The results are
reproduced in tlie form of ~;raphs' --'io%fin-: concentration-
dependcuce of the rate of creep under various applied stresses;
relationship between the rate of creep and the yield point;
strcsz-dc-,)cndcncc of the activation energy for creep.of the
alloys studied; stress- and temperature-depcndence of the inte
of creep. The conclusions reached can be sum::iarized as follow-o.
1) Slip is the prcdoi-iiinant t-,techanistn of plastic deforma~io.l -'I,
creep at relatively low tc.-,iperatures and high~trcsses. The
rcl,-%tionship between the rate of creep under these condition.;,
on the one hand, and tetiiperature and stress,on the other, can be
described by an expression due to Zhurkov and Sanfirova
(DAN SSSR, 1955, 101, no. 2, 257):
RT
-coe W
where Q is the activation energy for creep at o,= 0 and
i0 and y are constants. Under these conditions, -the rate of
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j
Depelidence of ....
s/in-6/62/014/002/012/013
C193/r-.383
crec? caa be correlated witi, tile yield point of ilie. alloy..
'"' )In crccp at tcwpcratures and wider lou stresses the
diffuz--ioti mechanium of plastic -defort-tiation prodominatos and
there i:; a definite temperature and stresd range within which the
rate of creep increases linearly urith increasin- stress.
3) In t:ie interziediato range 'of stress an~ temp~'crature
deformation by slip tnIcas place side-by-side with tho ralwzation
procer'-ses. The appro.,zimate rate of creep can be obtained,under
these conditions,from an equation due to J.J. Weertman (J. Appl.
PhYs-, 1955, 26, 1215):
~ = c(O~'/IIT)exj-)()Q/RT) (2)
wlicre CL is the activation dnerm
,y for diffusion,
e is the stress and
Cc n coefficient equallin6 3-4-
4) Th-c raii-Jc of temperature and stress in urhich the diffusion
Mechanism 0f deformation predominates is wider in alloys than
in pure metals. The same applies to the range in which plastic
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Dependence of L'195/r.383
deforiantion in creep is doscribod by Weertman' s ec:uation. Thus,
t:ic strenn dependence of t4e activation energy for creep ccnsc;i
to be li-iiacir at 6 - 71q;/mm" for .,)tire nickel and at 10-l'.2 kzkmm
for ttic 60!' Co-Ni alloy.
5) The onset of tho diffusion mcclianism of plastic deformation
in the alloys studied is facilitated by polygonization.
There are 12 fif-ures.
ASSOCIATION: Institut fiziki metallov AN SSSR
(Instituto of Physics of Metals, AS USSR)
SUBIX'ITTED: July 28, 1961 (initially)
March 2, 19642d (after revision)
Card 4/1,

SADOVSHY, V.D.; SOF3LY,')V, Ye.N.; LOZPISHY, M.G.; PET,V)Vj,., S.N.;
ANTINVA, Ye.I.; GAYDROV, M.G.; YIRMEL'SUTEYN, V.A.
Effect of hot workinE on the heat-resistant properties of austenitic
steel. Issl. po zharopr. splav. 7:202-2C9 '(1. (mujbt v$:11)
(Steel alloys--Thermal properties) (Rollini- (Metalwork))

N 7`M no.71.
-tl~)n
"roduc.
Um td.
29-36 f~"'
1 . U 11 ok i y i'l i

FAVLOV, V.A.; PAYDUKOV, M.G.; MELINIKOVA, V.V.
Dependence of the mechanism of plastic deformation during creep on
deir8rmation conditions in Ni-Al and Ni-Co alloys. Fis. met. i metalloved.
14 no.2:275-282 Ag 062. (MIRA 15:12)
1e Institut fisiki astallov AN SSSR*
(Creep of nickel) (Deformations (Mechanics))

L 17699-65 F,~IT(M)/EWP(W)/94A(d)/MP(k)/EWP(t)/EWP(b) Pf--h/Pad =/JD/flW1
ACCESSION NR: AP4042041 S/0126/64/017/006/0845/0851
AUTHOR: -Sadovskiy,_V. D.: Sokolkov, Ye. No: Petrova, S.
Vo A ; R_aXdu1kovL.AL.9jj Noskovaj No I.; Kagan, D. Ya?
TITLEt The effects of high-temperature thermo-mechanica1_SVjqj"e
on the heat resi sto of KhH77TYuR allay
SOURCE: Fizika metnall)ov i metalloveenniye, v. 17, no. 6, 1964,
845-852
TOPIC TAGS. nicke?-alloyo chromium, containing alloy, aluminum con-
taining alloy, creep- Yate, recrysta',lization, boron containing alloy,
KhN77TYuR alloy, thitmo mechanical'treatmentp heat resistance
ABSTRACTI The method of hot plat-kic deformation combtned with quen-
ching, was used to enhance the ati-ess-rupture strengthtgof austenitic
steels. The authors InvestiRi-t-0.the possibility of applying this
combined method to KhN77TYuR0 a limonic-type alloy. Specimens
11. 5 x 11.5 x 70 mm were annealed at 1080C for 8 hr. and rolled
with a reduction of 252 at a rolling speed of 1.5 m/mLn, The process
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L 17699-65
ACCESSION NR: AP4042041,
of recrystallizatiojiwas,suppressed by water cooling the specimens
immediatellt after plastic deformation. All specimens were aged at
750C for lb hr. Hardness was 285 HB. At 550C and under'a stress of
90 kg/mm2, the rupture life was extended from 4 to 100 hr while the
creep rate decreased,from 4-8'x 10-2Z to 8 x 10-IZ per hr. Above the
500-600C range a deterioration of strength characteristics was ob-
served. The authors attribute the adverse effect of the combined me-
thod at 750C to the recrystallization during testing and to a possible
higher rateof coagulation of the strengthening phase. The decrease
in the creep rate and the increase of the rupture life were verified
by x-ray method. The authors point out the formation of a,polygo-
nized substructure and to a boundary distortion in the form of char-
acteristic serration during high-temperature deformation. They con-
tend tha
.A the substructural boundaries impeded the travel of dislo-
cations0during creep, while the distortion of the grain bouniaries
lowered the susceptibility to inteircrystalline failure. The authors
suggest that the method of investigation may be insufficiently deve-
loped for-an exhaustive interpretation of the results obtained and .
of the peculiarities.of the structural state of the material. Orig.
arts hast figures,
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Ll 1 01-65 - Vdr(m)/WF( -)IEWA (b) P
63
W wp c
03/0437/0442'.
ACCESSION NR: AP4046094 S/Oi26/64/018/0
AUTHOR: _Wulv*chev, D. K,; Be rasnev. B. I.; Gaydu-kov.- M
_MartY*nov._Y_&,__P_,; Rodionox,_A. P.; Ry ini
TITLE: Healing Muosit 13and cracks in metals by..pkAskjq__4e
under high hydrostatic,eressure
SOURCE: Fizika metallov i metallovedeniye, v. 18, no. 3, 19640
437-442
TOPIC TAGS% metal defects, hydrostatic pressure, defect heating
a ABSTRACT: Experiments have been conducted to explore the possibility
of eliminating defects in metals with high hydrostatic pressure. The
M2 sup-eJ1pectmens with arti .ticial defects such as microcavities and
microcracks were subjected to a hydrostatic pressure of up-to 100,000
atm. Compression on accompanied by plastic deformation was-found to,.--
have no-effect on the number or size of defects, since it created
mainly elastic deformation and only an, insignificant amount of plastic
deformation. However, when defective specimens were subjected to a
tensile test under hydrostatic pressure, the defects were either
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ACCESSION NR: AP4046094
entirely eliminated or was reduced in size to such an extent that
they could not, be discovered by optical microscope and did not ef fec ,t
adversely mechanical properties of the metal (see Fig. I of the
Enclosure). The intensity of defect healing increases with the in-
creasing pressure and plastic deformation. Orig. art. has: 4
figures.
ASSOCIATION: -Institut fiziki metallov AN SSSR ~jnstitute Iof Physical
of Metals,AH SSSR); Institut-fiziki zemli AN SSSR
_ttute- of
Physics-of Earth,_AN-SSSR)
SUBMITTED: 2ONov63 ENCL: 01 SUB CODE:. MM
NO REF SOVI 009 OTHERt 002
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t c
L 16318-65 E'.~r /EAA d 1F.4 P /0,JTW/EqV(b) Ff -4 lip(
M=ISSM11 NR- Ar5001248 S/0126/64/018/005/07T8/OT83
AUTHOR: Beresnev., B. I.; Bulychev. D. K.;
Tu
j!! D. Zo onov K, P. Ry in N.
TITLE: Healing of pores and cracks in co by extrusion with a hA
_&h
pressure fluid
SOURCE: Fizika metallov i metallovedeniye, v. 18, no. 5, 1964, 778-783
TOPIC TAGS: copper, copper defect, metal defect, density defect healing
ABSTRACT: The healing of microscopic pores and cracks in metal by
plastic deformation has been investigated. Specimens of sound coppers
and copper withartificially produced pores and cracks were hydrostat-
ically extruded or drawn with a 5-68% reduction at room temperature.
Both methods of deformation increased the tensile and yield strengths,
reduction of area, anddensity of both sound and defective specimens;
extrusion did so to a greater extent than drawing (see Figs. 1 and 2
oil the Enclosure). The mechanical properties and density of defective
copper changed slightly with small reductions (5-85) but increased
appreciably with increasing reduction;,with a reduction of 40','V they
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ACCESSION NR: AP5001248
CZ
.practically equalled those (if the sound copper, evidently due to the
elimination of pores and cracks. In drawing, the strength of defective
copper at a reduction of 75% decreased probably because the metal be-
gan to "ail. Examination of the nicro;tructure showed the number of
pores decreases with increasing reduction, regardless of the deforma-
tion'method. However, the pores completely disappeared after a 40% -re-
duction by extrusion, but still remained after a 60-705 reduction by
drawing. Orig. art. has: 5 figures.
A S E~Mrxt 16 ff Insiitut fizi-ki-metallov-AN SSSR (Institute of tfieThysics,.
of 1.1et-als, Alf SSSR) ;~- Institut fiziki Zenli All- Stitute of Ph s
AN SSSR
SUBMITTED: 221iov63 'ENCL: 02 SUB CODE: MM
NO REF SOV: oo6 OTHER: 00h ATD PRESS: 3155
COTd 2/4

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PW/A
AFWL/,-,3(mp)-2/SSD(gs)7R5Rtj 3V7HW
C -a a '0020/64/156/o0jL/bo6T/00(0 6.
S31ailMl AP4035612-
A
AUMW i a Ke; Boresnev,-Do laj ggydukewl, No ov 0;
Dulyfthev, D
Bodif=ov,-
TITrZ tStru*turel defecto =a plwtlc defwAtion of coppei4 4jzb wessu"OK
S OLIRCE iAN -SSSR# DokLAY*.. ve 156t no* 1$ 19640 6T.680 and top b" at Insert
facing p4 68
TOM TAGSs metal vlastl*ity, atructural defectv copper. h1sU pmantwe notda-..'.
lurgy, self healing,, dislocation,, vacancy,, solid state "lea
ABSTR=j The present paper describes experiments designed fcw th6'- ebw1datica
of the influence of defects In solida cc the Increase of plasticity unA Pres-
sure. 02e experimental technique is essentially the same as described by I# X4*
Grtenwood and De Ro Miller (Acta, Ketelaurgica., 2. no. 2v ' 1954,, 250. The true
ddfo=ation a W, In(fo/f ) vhere f0 Is the Initial croas BectIca of the Specimm':
of copper H2. f. - that at rupture, vas measured, in additlcn,, US Idtxwtru(t-
t=cs of samples ruptured under wessure vere Observed with an qvUcal VA
-------------

L '13621-6,,5
M, C A,F,40j~W
ecome It was found that there lo,, at lower preasurza, a cowiderable dif-
ference between the plasticity of defective and defeat-free specimen & But at
xessurea above 4#000 atm t4da dUference d1sappearse Siodler results were. ob-
tained by ektrusioa uader " praosurse Appsreutly,, the structural dife&A
h-- as
v
tch cause rupture tAma to disappear during the dafarustion under high'
Orig.. arto has:
ASSOCIATICUt Inatitlit Mild ZeMU ft Oe TU* gbmidtAL Akaamdi nank
SSSR
le ~ IE 1. mistitut ftsiki, mauum
Matitute Man
Pbolce of Ket&U)
GG CM31,;, "IGO HE
SI i Me*63
AO MW SM 007
I Y7
Z.
. .........

t 10 .260-66 EWT(m)/EWP(w)/T/EWP(t)/EWP(z)/EWP(b)/EWA(c) IJP(c) JD/HYI
ACC NRt AP5026369 SOURCE CODE: UR/0370/65/000/005/0187/0192
AUTHOR: Gaydukov, M. G. (Sverdlovsk); Malahey, K. A. (Sverdlovsk); Pavlov, V. A.
(Sverdlo
ORGt none
TITLEt Effect of phas2 transformatio -induced strain hardening on the-he-at resis-
tance of iron-nickel alloy
SOURM AN SSSR. Izvestiya, Metally, no. 5, 1965, 187-192
\%
TOPIC TAGS: iron alloy, heat resistant alloy, nickel containing alloy, titan?uM
containing alloy, strain hardening, iron base alloy, rupture strength, heat
resistance, solid mechanical property
ABSTRACT: Two iron-base alloys containing 1) 0,006% C and'28.9% Ni, and 2) 0.04% C,
1.73% Cr, 24.5% Ni, and 2.32% Ti were tested for the effect of transformation-
induced strain hardening on mechanical properties at room and elevated tempera-
tures. Alloy specimens were austenitized at 1200C and quenched In liquid
nitrogen and then annealed at 600, 700, and 800C (alloy 1) are at 900 and 1100C
(alloy ~). In alloy 1 the maximum effebt was produced by annealing at 600 or
Card 1/2 UDCt 6 69o15,24-177

10260-66
ACC NRt AP5026369
0
700C, which i*ncreased the yield strength to 41 and 37 k94mm2p respectively.
Annealing at 800C lowered the yield strength to 13 kg/M~ and increased the
elongation to 40-465%, In stress-repturb tests at 400C, alloy I annealed at 700C
had a rupture life of 337 or 55 hr under a stress of 36 or 38 kg/mm2, respectively.
while conventionally treated (annealed at 12000 alloy under a stress of 30 or 32
kg/mm2 bad a rupture life of 68.5 or 1.2 hr, respectively. At 600C the positive
effect of strain hardening is maintained for a relatively short period of time,
not exceeding 100 hr. The effect of transformation-induced strain hardening on
alloy 2 was considerably greater. Alloy 2 annealed (after quenching) a~ 900C had
a 100-hr Npture strength at 700C of 17.5 kg/mm2, compared to 3.5 kg/mm for
alloy 1. Drig. art. has: 4 figures and 2 tables.
SUB CODEi l1/ SUBM DATEt 06May65/ ORIG REFt 0161 OTH REF: 0021 A1jFPRESSt
4160
Card 2/2 hw

to- hi-gli--te~ingetat,uteF-therwirechani4~al--treatment-~"
SOURCE: Fizika Metallov i metallovedeniye, v. 19, no. 1, 1965, 101-104
TOPIC TAGS: nimonic alloy, nimonic alloy creep, alloy thermomechanical treatment
ABSTRACT: The effect of high-temperature thermomechanical treatment (11TTHT) on
the creep behavior of nimonic-type-alloy has been investigated. Alloy specimens
were rolled at 1080C with 25-30% , reduction, water quenched, and aged at 750C for
16 hr. Creep tests at 500,-550, and 600C under a stress of 70-105 kg/mm2 showed
that the HTTMT considerably affects the alloy creep behavior: it decreases the
initial deformation, prolongs the first creep stage, and reduces the creep rate
and the total deformation of the first stage (see Fig. 1 of the Enclosure). Such
behavior is explained by the decrease in the number of moving dislocations and the
formation of a stable substructure. It is assumed that HTT11T has a more pronounced
blocking effect on dislocations than the substructure formed in the first creep
Card 113

26633--;65
ACCESSION NR:. AP5004271
stage. This may be associated with-a localization of the decomposition of solid
aolution around the dislocations, and also with the formation of dissolved atom
clouds around the dislocations. Orig. art. has: 3 figures. IND]
ASSOCIATION: Institut fiziki metallov AN SSSR (Institute of Physics of Metals,AN
SUBMITTED: 27Jan64 ENCL. 01 SUB CODE: M
NO REF SOV: 012 OTHER: 008 ATD PRESS: 3188
Card 2/3

I .I
y
I
I . I
11 1.
15
--- -7-- -- - - I---
I

CE CODEs UR/0000/66/000/000/0263/0271
AVN=s. Surkov, Ta. P.; fiadowskly, V.'D.1 Sokolkov, Is. N.1 Pavlaw, Ve Ast
Gaydukw. M. G.
00 S none
TI=s Effect of high temperature thermomechanical treatment at a small deformation
rate an the heat resistance of Type XhW7YuR alloy
SOURCZ: AN SSSR. rnstitut metallurgii. Svoystva i primenenlys zhmprochnykh
splavow (Properties and application of heat resistant alloys)* Moscow, 1=1-vo Naukao
1966, 265471
TOP= TAGS: metal beat treatment, heat resistance, metal deformation, metal
recrystallization
ABSTRACT: High temperature theromwchanical treatment, concluding with deformation of
the material at increased temperatures, and then cooling. eliminating the development
of recrystallization due to the birth armi growth of rmw grains, leads to a
considerable improvement In the heat resistance properties of stools and alloys. 210
present article considers the effect of high temperature thermomechanical treatment &t
a small deformation rate (.0.003-0.004 seo;"1) on the heat resistance of alloy
IbN?7TYuR, Samples with & sise of 50 x 50 x 75 = were heated to a texperature of
Cwd I/?,

ACC NRt AT6034463
1080o with a holding time or 8 hours, after which part of them were cooled in air
(control samples), while the other part was subjected at the same temperature to
25-30% deformation. On the basis of the experimental results, the following
conclusions were drawn: 1) high temperature thermome?hanical treatment of alloy
EhN77TYuR with a deformation rate of 0.003-0,003 see- assures a recrystallization
structure In a cross section of the order of 50 x 50 mm, and leads to an Improvement
in heat resistance properties; 2) fragmentation of the structure in the alloy assures
greater stability, and increases the temperature of articles made from the alloy by
the method of high temperature thernomechanical treatment (up to 8300). OrIg. art.
h&8$ 3 figures and I tablee
StB CODSt 11/' SUBK DATEs iOJun66/ CRI~ REF-s 005
2/2

GAYDUKOV. N.,
Defenders of national property. NTO 5 no.10:40-41 0 163.
(MIU 17: 1)
1. Predsedatell revizionnoy komissii scktsii protivopozharnoy
tekhniki Kiyevskogo pravleniya gorodskogo khozyaystva i avtomobill-
nogo transporta.

,9yevich; KIYANICHRIKO, N.S., red.
GAYDUKOV,._
- I.- . _.~!rg
(Fire prevention *in residential and public buildings]
Pozharnaia bezopasnost' zhilykh i obshchestvennykh
zdanii. Kiev, Budivellrqk, 1965. 179 p. (MIRA 18:8)

GATDUKOV, S. (Voronezh)
Propaganda to animated, creative work. Za rul 17 no.3:6-7
Nr 159. (KIRA 12:5)
I.Zameatitell predsedatelya obkoms Dobrovollnogo obahchostva
sodaystviya armli, aviateli i flotu.
(Automobiles-Societies, etc.)
(Automobile drivers)

. QAYDUKOVP V.I.
I
Now method of roof control. Ugoll Ukr. 5 no.1:32-3 -Ta 161.,
" 14:1)
(Ktne timbering)
- A I

ILISHTEINP A.M.; GAYIXJKOV, V.I.j ZAKUTSKII., I.A.
...... .
Rock pressure control in langwalls of flat and inclined seams
with roof caving on the stope lining. Ugoll 36 no.12:27-
31 D 261, (MIRA 14:12)
(Rock preBsure)
(Mine. timbering)

GrdDUKOV, V.I.; ILISHTEYN, A.M.; FETISOV, M.S.
Studying rock pressure in mines of the Moscow Basin. Fiz.-mekh.-
svois.,dav.i razr.gor.porod no.ls6l-85 162. (MIRA 16:3)
(Mosacw Basin-Rock pressura)

GAYDUKOV~ V.I._, gornyy inzli.j ZHELTONOZHKO, Yu.V., gornyy inzh.
Performance of the SU angular props. Ugoll Ukr. 6
no.8:31 Ag 162. (MM 15:11)
(Mine timbering)

0-5 2-
ACC NR: AP70 5 0 SOURCE CODE: UR/0342/66/000/011/0072/0072
AUTHOR: Volodina, L. A. (Docent); Gaydukov, V. L (Aspirant); Yavorskiy, B. M.
(Professor)
ORG: (Volodina; Caydukov] MT1
TITLE: Applying neutral light filters to improve precise measurement ofireflection
coefficients for dyed fabrics
SOURCE: Tekstil'naya pronyahlennost', no. 11, 1966, 72
TOPIC TAGS: 'Vreflection coefficient, transmission coefficient, glass optic property,
spectrophotometer/4,v~/ Orka C -/0 WS- 7 jak-/
,Vs- 1 J,-^44-
ABSTRACT: In measuring reflection coefficients by spectrophotometer or photometer,
a glass neutral filter placed in the path of the calibrating beam will increase the
reflection coefficient by _i- (T* Is the iransmission coefficient). The true values'
TA , A
of the reflection coefficients In this case will be R A true ~ RA meas T,, where
RA meas is the value of the reflection coefficients with the introduction of the
light filter. Such a filter was used in an SF-10 spectrophotometer with polarized
light in examining dyed fabrics,' and was found to double the minimum and maximum

ACC NR. AP7005520
reflection coefficients, probably due to the relation of dye molecules to fiber
axes in the fabric. A table gives percentages of error in determining reflection
coefficients by three filters WS-6, IRS-.7 and NS-9. Orig..art. bass 3 formulas,
1 table, and I figure.
-SUB CODE: 110 14 SM-DATR: none
Card 12

ILISHTEYN, Aleksandr Mikhaylovich, kand. tekhn. nauk; GAYIDUKOV,
Viktor Ivanovich; ZAKUTSKrf, Igor' Alek sand r6v-i-c F,--
A -
otv. red.
[settling of the roof without battery stulls In longwalls
of flat seams]Bezorgannaia posadka krovii v lavakh polog1kh
plastov. Moskva, TSentr. in-t tekhn. informatsii ugollnol.
promyshl., 1962. 51 P. (MIRA 17:7)

BTSTROV. N.M., otv.Ted,; KUZWSOV, N.A., red.; KRUPA, G.D., red.;
LIKHACHU, I.I., red,; qAMXOWY.X,, red.; IVARCHIKHIN,
I.Ya.. red.; OVCHARMA, N.G., red.; NOVOSPASSEIT, K.M.,
red.; AVDYUSHIN, I.-D., takhn.red.
[For the Soviet regime; articles. sketches, and reminiscences
devoted to the 40th annivereAy of the Soviet regime in Belgorod
Province] So vlast.I sovetov; stat'l, ocherki. vospominaniis.po-
sviasfibhennye -40olotliu Sovetskoi vlasti v Belgorodskol oblesti.
Belgorody'llurskoe knizhnoe Isd-vo. 1957. 232 p. (MIRA 13:8)
(Balgorod Province)

GAYDUKOV, V. P.
N15
664.4
.GI
Eksploatatsionnyye mashiny I mekhanizmy v neftyanoy pron7shlennosti (operation
of machines and mechanisms in the petroleum Industry) Moskva, Gostoptakhiulatp 1945,
438 P. Diagra., tables.
"Spisok literatury"P. 4324433~)

GAYMOV2 V. P.
Hydraulics. State Technical Press, MOscow-Leningrad: 1946. 300 pp.
(Mateorologiya. i Gidrologiya, No 6 Nov/Dee 19h7)
SO: U-3218P 3 Apr 1953
.0

PZWV. V.S.; KUZNETSOV, G.I.; P redaktor; 1UNINOVA, Te.G,9
redaktor; MASOLOV. Ta.M.1towme"my"redaktor.
[Deep well pump operation practice of the State Association of Azer-
baijan Oil Industry] Onvoente i ekepluatatelia glubokikh skyashin
nasoonym sposobom; opyt Asnefti. Moskva, Gos.nsuchno-tekhn.izd-vo
neftianol i gorno-toplivnoi lit-ry, 1954. 31 P. (MIRk 8t4)
(Oil well pumps)

V.S., Insh., prepodavatell,
retsenzent; MMVIM, T.M., inzh., reteenzent; PETROVA, Ye.A.,
vedushchiy red.; FIDOTOTA, I.G.. tekhn.red.
(Technical calculations in petroleum production] Tekhnichaskie
raschety pri ekeplustatsii neftianykh skvazhin. Moskva. Goo.
nauchno-tekhn.izd-vo neft. i gorno-toplivnoi lit-ry, 1961.
271 p. (MIRA 14:4)
1. Gromnanakiy neftyanoy teldinikum (for MuravIyev).
(Oil reservoir engineering)

MISHCHENKO, N.M.; BELEVTSOV, G.A.; ROTMISTROVSKIY, BA; IVANENKO, A.Ya.;
KONOVALOV, S.I.; MYTSENKO, D.I.; ANDREWI, A.A.;-QA1~11qKOV, V.S.
- -, ......
Complex automation of blast furnace air preheaters. Stall 23
no.6:497-499 Je 163. (MIRA 16:10)
1. Yenakiyevskiy metallurgicheskiy zavod.

GAYDUKOVO V.V. __
Over-all mechanization of the production of test tubes. Stek. i
ker. 18 no.11:35-37 N '61. (MIRA 15:3)
(CILass blowing and working)

GLYDUKOV, Yu.: NIMAYLINA, A..- TOLSTYXH, A.
-
Improve the interpretation of problems in increasing labor producti-
vity in industry; & review of the literature in 1955. Vop.skon.
no.4:239-146 Ap '56. (XLBA 9:8)
(Ifficiency, Industrial)

25(5) PHASE I BOOK EXPLOITATION 5OV/2581
Veselkov, F. S., Yu. A. Gaydukov S. Y@. Kamenitserl Z7Chlef7 V. G.
Kontorovich, A.M. Savk1n, A.S. Tolstyk~, and
A.S. Fastovskiy
Ravnomernaya rabota mashinostroltellhykh zavodov (Uniform Work of
Machine-Manufacturing Plants) Moscow, Mashgiz, 1958. 171 p.
Errata slip inserted. 4,000 copies printed.
Reviewer: A. K. Bondarenko, Engineer; Ed.: V. A. Letenko, Candi-
date of Economic Sciences; Tech. Ed.: V. D. ElIkind; Managing
Ed. for Literature on the Economics and Organization of Production
(Mashgiz): T. D. Saksaganskiy.
PURPOSE: This book Is intended for engineering and technical person-
nel in machine-manufacturing plants
COVERAGE: This book discusses the national economic importance of
uniform operation of plants according to a schedule, and points
out planning problems that should be solved to permit work'uni-
formity in manufacturing establishments. It defines organization-
al and technical prerequisitesfor uniform work, shows the in-
Card 115

Uniform Work of Machine (Cont.) SOV/2581
fluence of financial agencies of establishments on production
uniformity, and describes methods of measuring work uniformity.
The last two chapters are devoted to work practices at the Moscow
"Elektroschetchik" Plant and the Pervyy Moskovskly chasovoy iavod
kFirst Moscow Watch and Clock Plant). No persorti? ltlu~ are
mentioned. There are no references.
TABLE OF CONTENTS:
From the Author
3
Ch. I. National Economic Significance and Methods of Measuring
the Uniform Operation of Industrial Establishments
(S. Ye. Kamenitser)
1. Concept of uniform operation of industrial establishments 7
2. National economic significance of uniform operation of
industrial establishments 10
3. Methods of measuring the uniform operation of an estab-
lishment 14
4. Ways of ensuring uniform work and output according to
schedule 24
Card 215

Uniform 'Work of Machine (Cont.) SOV/2581
Ch. II. Organizational and Technical Conditions for Uniform
Output (V. G. Kontorovich) 31
1. Creation of organizational and technical conditions for
uniform output in line.production 33
2. Creation of organizat-i.onal and technical conditions for
uniform product 0q t in lot production 41
Ch. III. Some Problei~s In Planning Uniform Operation of
Industrial Establishments (G. A. Pishchulin) 54
1. Role of,planning in the organization of uniform operation
of establishments 54
2. Operation and production planning and the rhythm of pro-
duction 59
3. Problems of improving operations and planning and the
scientific solution of these problems 65
Ch. IV. Setting Standards for the Length of the Production
Cycle as a Factor Contributing to Uniform Operation
of an Establishment (A.S. Tolstykh) 76
1. Special production cycle features 76
2. Establishing standards for the production cycle 78
Card 3/5

Uniform Work of Machine (Cont.) SOV/2581
3- Calculation and analysis of the length of the production
cycle 94
Cho V. Production Rhythm and the Material and Technical
Supply of an Establishment (A. M. Savkin) 108
1. Material and technical supply planning and the estab-
lishment of standards for supplies 110
2. Establishment of standard banks in production 116
3. Introduction of progressive standards for material
expenditures and imposition of limits on material re-
quirements 119
4o Control of the supply plan fulfillment 121
Ch. VI. Role and Tasks of Finance Workers in the Struggle for
Uniform Operation of Establishments (F. So Veselkov). 123
1. Providing an establishment with working capital necessary
for the organization of uniform work 124
2. Cooperation of departments in securing continuous turn-
over of current assets in the course of a month 130
3o Ways of improving irreguler production and the encourge-
ment of plant workers to find and use them 133
Card 415

Uniform Work of Machine (Cont.) SOV/2581
4. Use of ruble control and other financial means to stimulate
the drive for uniform operation of establishments 136
Ch. VII. Organization of Uniform Work at the Moscow
"Elektroschetchik" Plant (Yu. A. Gaydukov) 140
1. Improvement of equipment, techn6logy, and production
organization 143
2. Organization of a system of external cooperation 145
3. Organization of accounting and control of consumption
of material resources by work sections 14?
4. Organization of operational and production planning 152
5. Increasing personnel qualifications and development of
socialist competition 157
Ch. VIII. Practices of the First Moscow Watch and Clock Plant
Providing Work Uniformity (A. S. Fastovskiy) 159
AVAILABLE: Library of Congress
JG/ec
Card 5/5 11-6-59

Unviahr-kimd. ekonom. nauk; KUZNETSOV, P.V.,
red.; GERASIMVA, Te.S.j, tekba. red,
(Analyzing the fulfillment of the production program and
technological development plan of an enterprise) Analiz
vypolneniia, proizvodstvennoi programmy i plans. teldwicbs-
skogo razvitiia predpriiatiia. Moskva, Izd-vo ekon. lit- I
1961. 55 P. (MIRA 15:21
Noxcow-Industrial management) (Accounting)

BIRMANO A.M.- GAYDUKOV, Yu.A.- GOLUBTSOV, L.B.; ITZ, L.I.;
I.N.; TOL.MKH A.S.; Sfffl-~ 'AFSKIY,
V.P.; SHUVALOV, N.M.; AVETISYAN, Ye... red.;MUHIN, YUSY
tekhn. red.
(School of, socialist management; book for reading in schools
for workera studying the economics of industrial enterprises]
Shkola sotsialisticheskogo khoziaistvovaniia; kniga dlia
chteniia v shkolakh rabochikh izuchaiushchikh ekonomiku pro-
myshlenrykh predpriiatii. Moskva, Gospolitizdat, 1962. 295 P.
(MIRA 15:9)
(Industrial rmnsgement)

I M-11-101 gla-v. red.; BACIWRn.1, A.V., red.; VOLODAIRSKIY, L.P.,
red.; GRIShsMG, S.R., red.; G11:ZBU.RG, S.Z., red.; DIJNI)UYOV.,
G.F.J% red.; KIRZINEF, D.M.., red.; KU M,: W, K.L., red.;
KORLILOV, F.V., red.; WHOLIKOV, A.11., red.; YLOILOV, P.V.,
red.; LIVAUSKAYA, F.V., rod.; LOK311111, E.Yu., red.;
05T.10VITYAYOV, K.V., red.; POSVYAI!SKIY, S.S., red.;
FAUDELSKIY, G.A., red.; -13JUIUMOV, H.A., red.; RUMYA11TM,A.F.,
red.; TATIR, S.K.,, red.; ShIff:11GALITEEP, L.Ya., red.; BAZAROVA,
G.V., starnhiy nauchnyy red., kand. ekon. nauk; KISELOI-MI,
S.M.., starshiy nauchWy red.; GLAGOLEV, V.S., nauchxWy red.;
TUMIAN(WA, NU.., nauchnyy red.; BIAGODARSKAYA, Ye.V., mlad.
red.; SHUSTROVA, V.H.., mledshiyy red.; GAYDUKOV, Yu.A.., kand.
ekon. nauk, red.; ZBARSKIY, M.I., red.; LOZOVOr-,Ta-.7.-p red.;
SIRGEYEV., A.V., dots., red.; KHEYFETS, L.M., kand. telchn. nauk,
red.; LYUBOVICH, Yu.O., kand. ekon. nauk, red.; SYSOYEV, P.V.,
red.; KOSTI, S.D.,, takhn. red.
(Econordc encyclopedia; industry and construction]Ekonomiche-
skaia entsiklopediia; prorr:~shlennostl i stroitel'stvo.
Chlony rod. kollegii; A.V.Bachurin J dr. Moskva, Gos.nauchn.
izd-vo "Sovetskaia entsiklopediia." Vol.l. A -1-1. 1962.
951 P. (MIRA 15:10)
(Russia--Industries-Dictionaries)
(Construction industry-Dictionaries)

GAYDUKOV, Yu..I..,
Using auger-care tools in the proapecw'-Ing of titanium-
zirconium placers. Raxved. i okh. nedr. 30 no.5126-27
My 164. (ERA 17tIO)
1. Volgo-Donokova geologicheskoye upravleniye.

U S S R,
AT-VERY-LOW-
ThNIPFRATURE9. 0. E. AleSt!sreyok and VI a1dukov.
ri-u-F E UZi . I Too v~ t. F iz L5. 143. 3. 3-4(1043). (in
Russian)
It was found tho lnterna4~Wllc com-
pound B12Pt diap1ays_qvorc_41_q,.LvAkjjjy, The R,(J) rotation-
ship is expresacd by the forinula. lQH? + (TIT,)' - 1, where
H. - 9.5 Oe and Ti - 0.1551K,which is so far th* lowest
recorded Aupercooductivity transitior. tornperature. The
131 Pt alloys goe unmttkin resulti, and the navts-t
must bu. repeated. BI:Sj did not Afsplay sujvr~7,x~-i-,u!t1v1ty
down to OXK., 111,11h diaplayid suporcond owly in
hardened state. (Science Abstracts)

XTSSR/r-.-.Iysics - Superconductivity versus pressure FD-3280
J
Card. 1/2 Pub. 146 - 39/44
Author : Alekseyevskiy, N. Ye.; Gaydukov, Yu. P.
Title : Influence of pressure upon the superconducting properties of cadmium
Periodical : Zhur. eksp. i teor. fiz., 29, No 6(12), Dec 1955, 898-899
Abstract : The influence of pressure upon the displacement of the critical tem-
perature of superconductors has been investigated by many authors
(e.g. N. Ye. Alekseyevskiy ibid., 10, 1940; B. G. Lazarev and L. S.
Kan, ibid., 14, 1944; N. Ye. Alekseyevskiy and N. B. Brandt, ibid.,
22, 1952; L. S. Kan, B. G. Lazarev and A. I. Sudovtsev, ibid., 18,
1948), but only superconductors whose temperatures of transition lie
above 1*K. Among superconductors with lower transitional tempera-
tures is cadmium, which passes over into the superconducting state
at 0-54'K. The authors measured the dependence of the critical mag-
netic field upon temperature in specimens of polycrystalline cadmium
without pressure and under pressure, the results of which experiment
are given here. For obtaining temperatures in the interfal 0.06-
0 .60*K they used the method of adiabatic demagnetization of a para-
magnetic salt; pressure was created by freezing of water in a con-
stant-volume bomb (B. G. Lazarev and L. S. Kan, ibid., 14, 1944).
They conclude that the relative change in Tk created by pressure of
1500 atm amounts to 8.3% exceeding by several times corresponding
values for other superconductors than Cd. Ten references.

V-K'o- q - k- - -
"ure on th

-D
L-104119nomWetic Propartles: of Rold. N. 13. Atekitevatit
:and Vu. P. dukov. Zhur, EksP11. i Tearel. FF*x- 31
947-WIM).-The elec. resistance of Au, vylih Pr withoui
jnagnetle field, was measured at 0.05-220.41'K. Four -i
tamples of An 90.0-09,M% pure (balavee Fe) WCrOe4----"
investigated. Three sample had an anomalous file of cord.
at low tern 91 to a sata. value ra. - - Ar - (tt - r. i.Mr.. i.~
OforH.-P8kHo6mted. The ¬nalous behavior Is attri.
bated to smail iants. of 1m;hffitits. probably of atoms with

AUTHOR i
TITLEx
PERIODICALs
ABSTRACT:
ASSOCIATION:
PRESENTED BYz
SUBMITTEDs
AVAILABLEs
Card 1/1
ALEKSEYEVSMN.YD., GAYDUKOV,Yu.P. 56-6 54/%
The Hall.Effect and the-SUffc-e-p-Mility of Gold. (Effekt h.,olla
i vospriimehivostlzolota, Russian)
Zhurnal EkSperim. i Teoret. Fiziki, 1957, Vol 32, Nr 6,
PP 1589 - 1591 (U-S-S-R-)
The following experimental results were obtainedt The dependence
r(T) for the gold sample Au-1 shows T minns 40K. The increase of 0r
takes place proportional to ln(l/T), where ar/r min at T a 0,07 K
amounted to about 15 %. The measurement Ar = r 0,070K - rmin in
dependence on the magnetic field furnished the valueW,8,5 kOe
for Hk'
The gold sample Au-4 shows no irregularities. In the temperature
range of from 2950K to 1,450K the magnetic susceptibility of Cold
of the class Au-1 remains diamagnetic, where its value at 1,450K
amounts to 70% of the value at 2950K.
Institute for Physical Problems of the Academy of Science of the
U.S.S.R.
28.3-1957
Library of Congress

AUTHOR: Gaydukov, Yu, P. 56-34-4-8/6o
TITLE: The Temperature Anomaly of the Resistance and the Hall Effect
in Gold (Temperaturnaya anomaliya soprotivleniya i effekt
Kholla u zolota)
PERIODICAL: Zhurnal eksperimentallnoy i teoreticheskoy fiziki, 1958,
Vol. 34, Nr 4, PP- 836-842 (USSR)
ABSTRACT: The author investigates the Hall effect ca the
temperature and on the magnetic field sLrength in samples of
gold with normal and anomalous temperature dependence of the
resistance. For the production of the samples two sorts of
gold of Soviet origin were used, their composition ascertained
by spectrum analysis is given in a table. The degree of purity
of these gold samples is 9%v. The measurement of the Hall effect
was made at room temperature, at the temperatures of liquid ni-
trogen, hydrogen, and helium, and also at eitreniely low temper-
atures, which were produced by adiabatic demagnetisation of
iron-ammonium-alum. The construction of the device for the pro-
duction of the extremely low temperatures was already pre-
viously described by the authors (Ref 5). The relative error
Card 1/3 of the measurements was kept below 13%,. The resistance of the

The Temperature Anomaly of the Resistance and the Hall 56-34-4-8/6o
Effect in Gold
sample Au-1 increased considerably at a temperature drop, the
increase of the resistance of the sample Au-4, however, re-
mained equal in the temperature range 412 - 1,40 K within the
limits of measuring errors. In Au-1 the temperature minimum
becomes zero at a field strength H = (8 + 0,5)..lo3 Oerstedi
The intensity of the Hall effect as a function of the magnetic
field strength was measured at the temperatures 295,77; 20,4;
10,1; 4,2 and 0,070 K. The corresponding results are visudized
in 2 diagrams. A further diagram visualizes the Hall constants
for Au-1. In the gold samples with anomalies in the curve r(T)
also an anomaly of the Hall effect is observed, At the end a
short report is given concerning i~esults,by other authors
dealing with the same subject. There are 6 figures, 2 tables,
and 10 references, 4 of which are Soviet,
ASSOCIATION: Institut fizicheskikh problem Akademii nauk SSSR (Institute
ior the Study of Problems in Physics,AS USSR)
Card 2/3

24(2) SOV/56-35-2~ 58/6o
'AUTHORS: Alekoeyevskiy, N. Ye., Gaydukov,:
TITLE: The Anisotropy of the Electric ResWance of a Gold Mono-
crystal in a Magnetic Field at 4,2 K (Anizotropiya elektri-
cheskogo sopiotivleniya monokristalla zolota v magnitnom
pole pri 4,2 K)
PERIODICAL: Zhuxnal eksperimental~noy i teoretichoskoy fiziki, 1958,.
Vol 35, Nr 2(8)~ pp 554-555 (USSR)
ABSTRACT, The results of many papers concerning the investigation of the
Calvanomagnetic properties of monovalent metals do not agree
with the theory, It is interestinR.- therefore, to investi-,
gate the charactei of the variation of the resistance of these
metals in a magnetic field. These investigations are carried
out for various crystallographic directions. A gold mono-
crystal is the most useful material for this purpose, Such
a monocrystal (hei&ht 30 mm and 0,,3 mm, purity 99~,9999 ~)
was prepared. The resistance was varied by 1650 timea when
the temperature decreased from the laboratory temperature to
4,20K. A polar diagram was obtained for_this 0gold manoorystal
Card 1/3 in a magnetic field of H = 23 kOe at T 4,2 K~ The rotation

SOV/56 353 2-58/6,~
The Anisotropy of the Electric Resistance of a Cold Mo=rystal in a Magnetic
Field at 4,2 K
axis of the magnetic field was parallel to the axis /of the
gold monocrystal,. The dependence of the ratlo Ar Hjr.
.(r H ''rci )/r0on magnetic f --*eld strength was obtainect 3.n
the dire,,~tion of the hig~hpst maxim-am and cif the Ic-mest mini -
mum of the polar diagram. rH and r0 denote the -values of the
resistance in the magnetic,, field and withcut a nagnc,'nni., field.
The results of these measurements are shown in 2 figures. In
the direction of the maximum an u-nlimited increase uf the
resistance A r Ir - HI ~ ") is observea, but in the dire.ltion
Re PeailgToric's is totalAy saturated
o4the mininum t r
( A rH/X 0 - , ) 5 L:f H >> H0.110may be derived from thq equa,
tion .1/R - I and in the investigated case it is equal to
1,4 kOe. 1 denotes the free length of path and R - the
curvature of the trajectory of the motion of the conduction
electrons in the magnetic field. Analogous results were found
for all the maxima and minima of the polar diagram. From the
results of this paper the following conclusions may be drawn:
Card 2/3 The linear increase of the resistanne of polyaryBtall-ino

SOV/56,3'1-2--jP,/6o
The Anisotrny of the Electri-.. Resistance of a Gold Monocrystal in a Magneti,:~
FieLd at- 4,,2 K
specimens (which was found by Kapitsa) is caused by the
averaginK of various ratios Ar I/ro with resp8ot to the
angles. The author thanks P. L~ Kapitsa, 411'ember, Academy
of Sciences., USSR, for the di8cue3ion of these resulta.
There are 2 figures and 7 references, 3 of whioh are Sav3ct~
ASSOCIATION: Institut fizicheskikh problem Akademii nauk SSSR
(Institute of Physical Problems,AS USSR)
SUBMITTED: June 14.-, '956
Card 3/3

18(6)
AUTHORSs Alekseyevskiy, N. Ye., SOY/56-35-3-47/61
Ga,ydukov, Yu.
TITLE: The Influence Exercised by a plastic Deformation Upon the
Anomalous Behavior of the Resistance of Gold at Low Tempera-
tures (Vliyaniye plasticheskoy deformatsii na anomallnoye
povedeniye soprotivleniya zolota pri nizkikh temperaturakh)
PERIODICALs Zhurnal eksperimentallnoy i teoreticheskoy fiziki, 19589
Vol 35, Nr 3, pp 804 - 8o6 (USSR)
ABSTRACT: First, two earlier papers dealing with this subject are
referred to in short. For the purpose of investigating the
influence exercised upon the minimum resistance of gold
more accurately, the authors carried out an experimental
investigation of the influence exercised by elastic and
plastic deformations on the depth of the minimum and on the
value of the "critical" field strength H 0. Compression
occurred from all sides by allowing water to freeze in a
bomb made of beryllium bronze. In the case of such a
compression from all sides the depth of the minimum is
reduced only a little and also the specific resistance
Card 1/3 changes only very slightly. The influence -exercised by

The Influence Exercised by a Plastic Deformation SOY/56-35-3-47/61
Upon the Anomalous Behavior of the Resistance of
Gold at Low Temperatures
plastic deformation on the course of the resistance curves
was investigated in two series of tests. In the course of
the first series of tests, the deformation of the sample was
investigated at the temperature of liquid helium by means
of a special press. The deformations 'obtained at the tempera-
ture of liquid helium were comparatively small. The influence
-exercised by greater deformations was investigated on wires
which were deformed at room temperature by means of a
hydraulic press. The result obtained by these measurements
are shown by diagrams. According to all results obtained in
the present case, the depth of the minimum and the "critical"
field strength depend to a considerable extent on the deforma-
tion. With a certain value of deformation, the depth of the
minimum becomes equal to zero, and the critical field-strength
tends towards infinity. A comparison of all results obtained
results in the followingi The occurrence of the minimum of
resistance is caused by the scattering of conductive electrons
on the impurities of certain elements. The authors thank
Card 2/3 P. L. Kapitsa for discussing the results obtained. There

a The Influence Exqroised by a Plastic Deformation SOV/56-35-3-47/61
Upon the Anomalous Behavior of the Resistance of
Gold at Low Temperatures
are 3 figures and 4 references, 3 of which are Soviet.
ASSOCIATIONt Inatitut fizioheakikh problem Akademii nauk SSSH (Institute
for Physical Problems of the Academy of SciencesVckc-~
SUBVITTEDt June 14, 1958
Card 3/3

24(o) $01/30-59-2-42/6C
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..24(3)
AUTHORS: Alekseyevskiy, N. Ye., Gaydukov. Yu sov/56-36-2-15/63
TITLE: Measurement of ihe Electric Conductivity of Yetals in a
Magnetic Field as a Method of Investigating the Fermi Surface
(Izmereniye elektroprovodnosti metallov v magnitnom pole kak
metod issledovaniya poverkhnosti Fermi)
PERIODICAL: Zhurnal eksperimentallnoy i teoreticheskoy fiziki, 1959,
Vol 36, Nr 21 PP 447-450 (USSR)
ABSTRACT: Lifshits, Azbell, Kaganov (4ef 1) as well as Chambers(Chembers)
(Ref 2) showed.that isoenergetic surfaces of conductivity
electrons in metals can be represented by topologically composed
surfaces with open cross sections.,The Fermi surface can be
built up from data obtained by measurement of the de Haas-van
Alphen (de Gaaz, van.Alifen) effectt of the anomalous skin
effect, or of cyclotron resonance (Ref 3). Hovever, these
measurements did not produce unique results near open cross
sections. The present paper intends to investigate the
anisotropy of electric resistance in a magnetic field in various
(Sn, Pb, T1, Ga, Na) single crystals in connection with the.
existence of open Fermi surfaces. As already shown (Ref 1), a
Card 1/3 quadratic increase of resistance is to be expected in open Fermi

L'basurement'of the Electric Conductivity of Metals SOV/56-;36-2-15/63
in, a'Magnetic Field as a Method of Investigating the Fermi Surface
surfaces for one field direction, whereas for another field
direction saturation sets in. In a previous paper (Ref 4) the
authors already investigated the variation of resistance in gold
and copper in dependence on the angle formed by the magnetic
field r and the crystallographic axes, and thoy showed that for
the course Ar./r. partly a quadratic increase and partly
satura tion occursp according to the direction of rl. Novi, the
angular dependeXices of r(H) for other metallic single crystals
are investigated at 2.4 and 1,50K. The data characterizing the
samples are given in a table. The polar diagrams measured for
H const on a Sn-, Pb-, and Tl-sample are shown by figure 1
(H 23 kOe, 22-3 k0o and T - 4.20K). I was in all cases vertical
to the measured current 7. These diacrams show that also in
these'crystals it is true that with a variation of the angle
betreen-the field and the crystallo~;raphic axes the law of
increase of the resistance in the magnetic field changesfrom. a
quadratic form to that of saturation (Fig 2). Anisotropy was
found to be especially high -in tellurium and gallium.
Card 2/3

Measurement of the Electric Conductivity of Yetals 507/56-76-2 715/63
.1
in a Magnetic Field as a M6thoa of Investigating the Fermi Surface
A theoretical explanation of these phenomena is given by the
paper by. Lifshits and Peschanskiy (Ref 6).
The authors finally thank Academician P. L. Kapitsa for his
constant interest in this work. There are 2 figures, 1 table,
and 9 references, 5 of which are Soviet.
ASSOCIATION: Institut fizicheskikh problem Akademii nauk SSSR
(institute for Physical Problems of the Academy of Sciences,
USSR)
SUBMITTED: October 21, 1958
Card 3/3

. 240)
.'AUTHORS:- Alekseyevokiy, N. Ye.v Gaydukov, Yu. P. SOV~56-37-3-14/62
TITLE: The Anisotropy of the Electric Conductivity in the Magnetic
Field and the Topology of Fermi Surfaces of Metals
PERIODICAL: Zhurndl eksperimentallnoy i teoretioheskoy fiziki, 1959,
Vol 37, Nr 3(9)t pp 672..677 (USSR)
ABSTRACT: The present paper gives some results of the investigation of
the anisotropy of the change of resistance in the magnetic
field of monocrystals of Au, Cu, Sn, Pb, T1, and Gal~which
have been investigated already previously (cf. Ref ) as
well as of Ag, which was investigated for the first time.
Most of the metals were investigated on 10 to 1) samples
which each showed different orientation of the crystal axes
(Determination of the orientation was carried out by 0. E.
Karstens). The purity of the samples was characterized by the
resistance ratio ~0000)/? (4.20); it amounted to 10 000 for
Sn, Pb, and Ga, to 3000for Tl, and for Au, Cu, and Ag it was
of the order of magnitude 1 000 ~ All measurements were carried
out at 4.20K. The samples were rotated in the constant mag-
netic field and the angular dependence of the resistance was
Card 1/3 measured. Figures 1-4 show this dependence for differently

The Anisotropy of the Electric Conductivity in the BOV/56-37-3-14/62
Magnetic Field and the Topology of Fermi Surfaces of Metals
orientated Cu, Ag, Pb, and Gar-samples at H - 23.5KOe. The
orientation (in figures 1,2, which show the angular depend-
ence of the relative change of resistance) and the degree of
purity are given. An investigation of the anisotropy of the
resistance of silver showed that the resistance in the direct-
ion of the minimum (in the rotation diagram) attains a satu-
ration value and that with H it increases exponentially
(nearly quadratically) in the direction of the maximum(R95)-
Similar conditions prevail also in the case of other metals.
It is further found that the average relative resistance
depends linearly upon H (Fig 6) (Law of Kapitsa). The con-
nection of the half-width of the narrow maxima and minima
for Au, Cu, Pb, and Sn in the rotational diagram was investi-
gated. It was found that the half-width of the maxima decreases
with increasing H (e.g. like I/H), and that of the minima at
the same time remains constant, which agrees well with the
theory (Fig 7, Ref 4). Further investigations were made Amt
the variation of the depth of the minimum in the case of
fixed H-direction and varying current direction. Figuze 8
Card 2/3 shows the result for four different Sn-samples. A stereo-

The "isotropy of the Electric Conductivity in the SOV/56-37-3-14/62
Magnetic Field and the Topology of Fermi Surfaces of Metals
graphical projection of special field directions may be
carried out from the various data; - an example (for silver)
is shown by figure 9. An analysis of the stereographic pro-
jections can be carried out by comparing the results obtained
by Lifshits and Peschanskiy. Such an analysis may supply
information about the shape of the Fermi surface. All data
obtained indicate that, contrary to previous opinions, most
metals possess closed Fermi surfaces. In conclusiongthe
authors thank P. L. Kapitsa for his interest in this work
and Professor I. M. Lifshits and V. G. Peschanskiy for dis-
cussions.There are 9 figures and 12 references, 6 of which
are Soviet.
ASSOCIATION: Institut fizicheakikh problem Akademii nauk SSSR (Institute
of Physical Problems of the Academy of Sciences, USSR)
SUBMITTED: April 24, 1959
Card 3/3

85679
S/056J60/038/006/021/049/XX
o?df 07700 (16 V-3., 114C0) B006/BO70
AUTAORS: Alekseyevskiy, N. Ye., Gaydukov, Yu. P.
TITLE: The Anisotropy of the Electrical Resistance'of Mg and Pt
Single Crystals in a Magnetio Field at 4.2uK
I'l 'YX -
PERIODICAL: Zhixrnal eksperimentallnoy i teoreticheskoy fiziki, 1960,
Vol. 38, No. 6. pp. 1720-1722
TEXT: It was shown in Refs. 5 and 6 that the electri--al resistance of
polycrystalline Mg and Pt specimens in a magnetic field increases without
any limit. Therefore, the Fermi.surface of these metals is either closed
(number of electrons equal to the number of holes) or open. In the first
case, the resistance must be practically isotropic in large magnetic
fields, and in the second case, strongly anisotropic. The present work was
undertaken to clarify this problem for single crystals, the galvano--
magnetic properties of polyorystals of Mg and Pt having been studied
already. The Mg specimens had a~300OK/ ?4.20K rat'o of 230 - 610', ror
Pt, this ratio was between 1900 and 2400. The results of measurement are
Card 1/3

L-"~ r -7
The Anisotropy of the Electrical
Resistance of Mg and Pt Single Crystals in
a Magnetic Field at 4.20K
S/056/60/038/006/021/049/XX
B006/BO70
shown in diagrams. Fig. 1 shows the polar d-~agram ef the resistance of the
h1g single crystal specimen, Fig. 3 that of P!. FigF. ard 4 show the
resistance of the specimens of Mg and Pt, respectively. as a function of
H, each for two different angles. The fa--t that for some definite angles
the relative change of resistan.-,,e shows s%turation and for others an
exponential increase indicates that Mg and Pt hane open Fermi surfaces.
It may be assumed that Mg. like Tl, has a Fermi 3urface of the type of a
"corrugated" plane, and Pt has one like a "spatial cylinder ne"'.
Academician P. L. KaRitsa is thanked for hii great interest, and.G.,E.
Karsten-s for help in the determination of ",be crientakion of the cry9tals,
Ye. S. Borovik and V. G. Volotskaya are mertioned. There are 4 figu-.es
and 7 Soviet references.
ASSOCIATION: Institut fizicheskikh problem Akademii nauk SSSR
(Institute for Physical Problems of the Academy of S.-,iences
USSR)
SUBMITTED; January 29, -1960
Ca.rd 21.5

W91
S/056/60/039/005/005/051
0 0-4 v3j "V3/ ls~7 B029/BO77
AUTHORS: Alekseyevskiy, N. Ye., Gaydukov, Yu._22, Lifshitsp I. M.~
Peschanskiy, V. G.
TITLE: The Fermi Surface of Tin
PERIODICAL: Zhurnal, eksperimentalinoy i teoreticheskoy fiziki, 1960,
Vol. 39, No. 501), YP- 1201 - 1214
TMIT: The author starts by analyzing the geometrical conditions of the
Fermi surface for tetragonal crystals. The following expression is used
for the dispersion law 8(j):
cpz cpZ (c ap, 'a spy
EM - Ao-A I coo A2Cos
2f 24 24
ap apx a!,
coo - coslapy _ + Cos _
- A 3 x - 'k 4 (COO c denotes the lattice
2A- 24
constant along the tetragonal axis [001],and a is the lattice constant
Card 1/4

86891
The Fermi Surface of Tin
5/056/60/039/005/005/051
B029/BO77
along the binary axes [100] and [010]. Detailed statements are supple-
mented by illustrating the transformation in stereographic projections
along the direction of the magnetic field. The second part of this
paper deals with determining the directions of plane sections of an
open Fermi surface. There are several types of current diagrams with
const(a), where a denotes the,angle formed by the current and the
H
opzn cross section or a certain crystallographic axis (I-A). Using
these polar diagrams of the current intensity it is possible to de-
termine whether the cause of the quadratic increase of resistance for
a given direction of the magnetic field is the compensation of volumes
(Vi M V2) or the presence of open trajectoriesp and it is possible to
determine the direction of these trajectories. Two special cases are
then investigated. The experimental results are given and discussed
in the third part of this paper. Tin was produced by zone melting at
the tekhnologichaskiy otdel IFP LN SSBR (Institute of Physical Problems
of the AS USSR, Department of Technology). The resistance diagrams of
all tin specimens whose axes enclose a small angle with the axis Emil
(00 < ,%' ---- 300) have the form of eight-leafed rosettes. If this angle
Card 2/4

86891
The Fermi Surface of Tin S/05 60/039/005/005/051
B029YB077
is increased, new and very small minima will appear; for these minima
no saturation of resistance in the magnetic field was observed either.
The polar diagrams for the case 01 _~' 500are two-leafed rosettes.
Further details are given. A single Fermi surface cannot explain the
current diagrams of the type III. (Such a diagram is obtained by em-
ploying the method of volume compensation, V I W V2) . Tin has also other
isoenergetic surfaces, which make it possible to explain such a com-
pensation of volumea. At least two sections of the energy spectrum E(p)
are essential to the Fermi surface of tin. The second isoenergetic sur-
face can be closed or open. The two variants of the Fermi surface of
tin can be made to agree with the stereographic projection along the
main directions of the magnetic field. The open surface represents
holes, and the closed one, electrons. The shape of the tubes (the con-
necting parts between the planes) is very similar to a cylinaer. A
quadratic increase of resistance is predominant for tin in a magnetic
field. The one-leafed characteristic of the Fermi surface could be
used to explain the specific features of the galvomagnetic properties
of lead, cadmium, zinc, and other metals with open Fermi surfaces*.
Card 3/4

The Fermi Surface of Tin S/056/60/039/005/005/051
B029/BO77
Academician P. L. Kapitea is thanked for his interest. There are
6 figures, 3 tables, and 6 Soviet references.
ASSOCIATION: Institut fizicheskikh problem Akademii nauk SSSR
(Institute of Physical Problems, Academy of Sciences
USSR)
SU13MITTED: June 17, 1960
Card 4/4

ATMKSXrjlVSKIY,M.Y*.;GAYDUKOV, Yu.P.
Fermi surfaces for tin. Zhur.ekop.i teor.fiz. 41 no-4;1079~-1082
0 161. (MA 14: 10)
1. Institut fizicheskikh pro4lem AN SSSR.
(Fermi surfaces)
MO

S/056/62/042/001/011/048
B104/13102
AUTFORS: Alskseyevskiy, N. Ye., Gaydukov. Yu, P.
TITLE: The Fermi surface of silver
PERIODICAL: Zhurnal eksperimentallnoy i teoreticheskoy fizikii v, 42,
no. I ~Jlj 1962, 69-74 (M /F-,g 16
TEXT: Silver single crystals (- 30 mm long, -2 mm in dAameter) were
grown by the Obreimov-Shubnikov method. The following ratio was found
between their registivities at 300 and 4.2()K:
Q300/Q4,2-.'Ooo' UsIng
a potentiometer airrzuit with a photoelectric amplifier, the Hall e.m-f-
was determined at 4.2 0K in magnetic fields of up to 24 koe, which were
retated in a plane perpend-icular to the specimen axis, At a constanz
mae-tatic field of 23,5 koe, the resistivity of the spe-imens was
determ:Lned as a function of the angle between the magnetic field and the
_rystallographic axes. Both the resistivity of the single crystals and the
angu~.ar .?;~pendence of the Hall e.m.f. are strongly anisotropic. The
maxima of the Hall e.m,f. are equal and lie in the dir,~ctions [0011,
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The Fermi surface of silver B104/B102
1.1!0.1. and In the zones II of the stereographic projection of th"~
m.f, (Fig. 3). the latter depends linearly on the angle. In 1.
thi.s dependence is almost linear. In the (1-12) dir.-ction, the Hall e m f.
~-n the magnetic field tends toward saturation, A distin;t maximum of
resistivity was established when the magnetic field was in the (00-) p-
-ane.
This 00'. characteristic line in the stereographic projection was also
found in gold. Distinct maxima of resistivity were found in the lines of
intersection between the plane of the magnetic field and the (010) and
k 00) planes- The only difference in the stereographic projections of the
char-a--ter"stic directions of the magnetic field of the Fermi surface of
si,ver, gold, and copper is found in the dimensions of I. As shown by
I. M. Lifsh;.ts and V- G,, Peschanskiy (ZhETF, 38, !88, 19060)- -he
ztereojFraphic projection presented in Fig. 3 corresponds to an open Ferm,-
su--fa---e of the type of a spatial network of "corrugated cylinders" wi-ch
ax4:s parra-le! to the (001)~ [1-101, and [1111 directions. Professor
I. M. Lifsh'-ts and V. G. Peschanskiy are thanked for discussion3,
Acad;~mlcian P. L Kapi-tsa for interest, and V. A. Gromakovsk4-y for
-is s1 z 1 tabl
.-itance in measurements There are 5 figures, e: and '4
rs~fe7ences: 6 Soviet and 6 non-Sov--et. The four most recent -references
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S/05 62/042/001/011/048
The Fermi surface of silver B104YB102
to English-language publications read as follows: M. G. Pristley. Phil.
Mag. J, ill, 1960; D. Shoenberg. Phil. Uag. 5, 1057 1960; R. W. Morse,
A. Myers, C. T. Walker. Phys. Rev. Lett., _1, 605, 196o; J. R. Klauder,
J. E. Kunzler. Phys. Chem. Solids, 18, 256, 1961.
ASSOCIATION: Institut fizicheskikh problem Akademii nauk SSSR (Institute
of Physical Problems of the Academy of Sciences USSR)
SUBMITTED: July 26, 1961
Fig. 3. Stereographic projection of the main directions of the magnetic
field of the Fermi surfaces in silver, gold, and copper.
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