SCIENTIFIC ABSTRACT PAN, V. M. - PANA, T.

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• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

',.'Ifect of Pbasphn:--a., and Irselaic ca
nar,~~Le3s of ~~ --ron
45 and 10 hra at 400, 50o, uc~,,j anil :3J0'-',',')
Z.rom tnesa data solid solub-'_Iit, cf P and as
at various tomi~e,--atures- waS co-.erainad.
&Dlubility curve of phosphOrAS J_n ak-irm .,t:
that showing solub~Ll.lv-f of arse-aic .Ln rk
s rc4uced Ln anotiiar article Aef.12),
phosphorus and arsenic were -Fc~and TO
of 0~, -Iroil. Tiie m_icro a.,,-ld
~gi-aph~3 a and b) f,)r tbLs Fe -P 4,1, Fe--As P-1 oy.. d-.-a
shown. m :,'ig.4 ard 5 :ms~,,acl -vi-- _ue Ciii `*r~j-x,~
V, " -C - ba --'t -I Z- 7,-1,!

SOVIlL6-6-"13/34
i~ffect of Phosphorus and Arsenic on the lattice Parameter and
Hardness of ok -Iron
on cold-worked and the latter on annealed specimens.
There a_1v 5 figures and 12 references of which 2 are
Soviet, 4 English. 3 German, 1 Ukrainian and 2 Norwegian.
ASSOCIATION: Institut Metallofiziki AN USSR
(Institute of Metal Physics, AS UkrSSR)
SUBMITTED: 26th September 195?,
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SVECHNIKOV. V.V.-, KOCIIIXZHIHSKIY, Yu.A.; PAN, V.M.; MYSTRIAO, Yo.Ye.;
SIRTRIN, A.K.
Inveatigating thn chromium - nioblum - vaimidium s7uten. Infll.
po zharopr.splav. 4:248-246 '59. (MIW~ 13:5)
(Chrnmlum-nlobium~-vanadium alloys)

STuMMMv. T.N* [Dvischnikov, V.M.1, akademik; PAN, V.H.
transformations In a chromium - nickel system. Dop.AN UM no-7:
917-920 160'. (KM 13:8)
1. Inatitut optallofisiki AN UM. 2. AN USSR (for Syschnikov).
(Chromium-nickel alloys)

SVECjj3jjK0V, V.N. [Sviochnykov, V.M.), akudernik; PAN. S.V.M.
Phases Of the 87stem chromium - nickel - niobium. Dop.AU URSii
no.j:634-637 '60. NIIA 13-7)
1. Institut metallofiziki Ali USSIII. 2. All USSR (for Svechnikov).
(Systems (Chemistry))

SVN.'UIIKDV. VAL: TO. V.H.
Investigating the ternary system chromium - nickel - niobium. Issl.
po zharopr. splav.6-.240-250 160. (MIRA 13-9)
(Caromiuin-nickel-niobluL alloys--Met&13 ography)
(Phase rale and Zqui.Librium)

i

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P, 4
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1 K
V 2 -4 f r

~ 3D 28705
ILI' S/02 61/000/003/011/013
JOAC D274X301
AUTHOR:
TITLE:
PERIODICAL:
Pan-, V.M.
More precise phase diagrams of the systems Cr-Nb
and NbCr2-Ni3Nb
Akademiya nauk UkrSSR. Dopovidi, no.3, 1961, 332-
334
TEXT: It was found that, in the solid state, the system chromium-
niobium undergoes two transformations. The system NbCr2-Ni3Nb was
studied by the author in an earlier work (Ref. 8: V.M. Swjechnikov
& V.M. Pan, DAS UkrSSR, 634, 1960). In this system, a eutectic
transformation was observed at 12600C and 55 weight % Ni, as well
as a broadened P -phase. A more detailed investigation of the sys-
tems Cr-Nb and NbCr2-Ni3Nb, carried out by the methods of differen-
tial thermal analysis afid microstructural and X-ray analysis, led
to more precise and more complete phase diagrams. It was establish-
ed that NbCr2 is transformed, at temperatures above 15900C, into a
j
Card 1/3

2 8705
S/021/61/000/003/OLI/013
More precise phase diagrams ... D274/D301
high-temperature modification which has a crystalline structure of
MgZn2-type, i.e. hexagonal with 12 atoms per unit cell. On the
phase diagram of the binary system chromium niobium, this modifica-
tion forms a si le-phase region 6. Two transformations occur (in
the solid stat0gin the system chromium-niobium* a eutectoid trans-
formation C *. 0(- + 0 at 15850C and approximately 47 weight % Nb,
t* r' + j3 at 1 250C and 49-50
and a peritec oid transformation 6 6
weight % Nb. The temperatures of eutectic transformations were
also rendered more presise. It was established that the eutectic
J A ol + F_ is at 1640 C and 30 weight % Nb. The melting point of
lqb~r2 was found to be 17200C. If nickel is dissolved in NbGr , the
temperature of the polymorphic transformation decreases sharpiy.
An admixture of 5 weight % Ni, for example, lowers the P 4 J_ trans-
formation temperature from 15900 to 90OR0. As a result, a wide
single-phase region E is formed in the system NbCr2-Ni3Nb, i.e.
a Nb(CrNi) phase of different composition and MgZn2-type struc-
ture. The fa-ttice parameters of the E phase were calculated for
alloys with various Ni-content, tempered at 11000C. These para-
Card 2/3

It, 0
11q2V
30457
S/126/61/012/003/018/021
E073/E335
AUTHOR: Pan, Y.X.
TITLE: Polymorphous transformation in the intermetallide
NbCr2
PERIODICAL: Fizika metallov i metallovedeniye, v. 12, no. 3,
1961, 455 - 457
TEXT., This communication is devoted to investigat.Ln8 tho
ternary system Cr-Nb-Ni. The alloys were produced from electro-
lytically-refined Cr (99.95% Durity), Nb in rods (99.97 and
99.4% purity) and Ni of 99.90,% purityin a laboratory arc furrLZt((-
with a water-cooled copper bottom and a tungsten electrode, in
an atmosphere of purified nitrogen. Altogether 19 alloys of
the system Cr-NTb and 13 alloys located on the quasi-binary
section YbCr 2-Ni3Nb of the Cr-Nb-Ci system were tested. The
investigations were by the method of differential thermal
analysis. Micro- and X-ray-structural analyses were also made
of alloys annealed at 1 100 0C for 107 hours and then quenched
from 800 and 1 140 0C. It was found that in ternary alloys witli
a composition approaching that of the intermetaJlide NbCr.
Card 1114,
1

30457
S/126/61/012/003/018/021
Poly-morphou-9 transformation .... E073/L335
c ont a i n I n g ov ei 3 - 50/C Ni , t h e- phas e wi t h a la t t i c e o 1 t I
Mgcull type c eases and, inst ead all E- phase with a latt iL c~ of
the type MgZn appears , i.e. a hexagonal latticp wi th .1-' atom-s
2
in the (-lementary cell According to differential thermal
analysi-i and phase X-ray structural analysis of alloys (Ittenched
from various temperatures, the phase diagram of the quai-biii~lry
system NbCr -Ni Nb is as shoirn in Fig. I (contents given in
2 3
Wt.C liquid). From this the conclusion is drawn that
the inter-metallide NbCr, crYstallises from the liquid at
1 720 5 OC, whilst in the range 1 720 - 1 590 OC it exists ill
the form of the modification with the lattice of the type M-Zn-,.
At temipcratures between 1 590 0 and room temperature, the
intermetallide NbCr, exists in the other modification with a
MACU 2-type lattice. These as well as previously published data
enabled plotting a more accurate state diagram - Fig. 2:
top scale - at.?.' Nb, bottom scale - wt.0j'C Nb. ")K" - liquid.
2 1A

304';7
S/126/61/oi2/003/018/021
Polymorphous transformation .... E073/E335
This diagram confirms tile presence of t,.,ro eutectic transfer-
1.1ations: between the solid solution of N1, i n Cr and the
intermetallide NbCr, at i 64o 0C and 3W~ Nb.and between the
1i' r in N-b and the internietallide NbCr., at
-L ~ solution of C
i 66c) OC and 65c Nb. Invariant trans f ormat ions were detoct,:-
in the alloys in the solid state which are associated iith
tile polymorphism of the intermetallide NhCr 2. In the high Cr
6ection of the diagram, the horizontal at 1 .385 0C coi-rospondi
to the eutectic transformation C, *- Oa + 11 tile
Ai&h N11-- section of the diagram the lh~,rizoxital at 1 625 C
ap,,~ez.rs t-) cor;-espond to the peritectic transfori,.~,,Ition
The narrow concentration intervals of th(: -1!~ e
r ,~ i L, e. sF, 0 and E + ~impede the accurate determination of t.ie
bouriJ.-.lrios of these re-ions. However, it can be stated t!iat
t!ie virltii of t"ie sin:-,le-phci~;eEregion in the binary
does not exceed 1-5~ , thit tile eutectoidal poin-t does nut- difier
by more than 0.2 - C.3, from tile boundary of tho
0 r,-lnge and that the p Pri t ectic .)uint is only zibutit I., fr(,u
C,,.rd 31f),

30457
5/126/61/012/00-/013/0-,l
Poly-morphous transformation .... E073/E3715
L. - boundary of the E range. A dif f erential. thori-iia I t_ui v..
I 1i(
t ecorde.l for an alloy containinL 040o. Nb and 60'.. Cr t:. kt
t 01:1plete fusion occurn at 01 705 C -and the beginnin, 'of
liF,ati-on uccurs at 1 690 C. The lattice ),irameter ~,: t~l, 11 h-
tei:ipetature modification of the NbCr 2 compoum' was At
a -, 9.92 kX. c ~ 8 . 10 RA . If the Ni content exceeds -)11-%.i!;e
p:~ra~-neters of the lattice phase E 0Nvill not d, -penJ ,n -un(en-
tration an(~ consequently, at 1 100 C t'le. ~solubility of Ni iii
L 11-Le E - j,hUS e iS 361- Accordin--: to R.P. Elliot and 14.
(Ref. 7 - Tratis. ASM, 1958, 5o, 617) transit-ion fr-,:.. th, M,--C1i,,-
ty,pe to the M-Zn -type structure for the Laves
2
,.,Inlod 1-Y 'A 0ucr(-a.-,e i-n the electron concentration !)C-low th(_-
critical lovc-l of 2._-)-'. Ni additions brin, abcut i sharp
:rease in the c:)nceritration of valenc) electr.)n., on ti
iii thc- ';I,Cr,, ,i)asc. This conclkisir~ji 1.z, in a re(,...i(~rit -:01; t h
,Jat~i of Eliiot and Rostoker oll thO 10%; efeLtIVI~ VC11uIC',-
Jurin,: iori.-;ation of Laves phases. Assurnin~7, that the iffectiv,

30457
S/126/61/012/oo5/ol8/021
Polymorphous transformation .... E073/E335
Valencies of Cr and Ni. are, respectively, 1.69 and 0-25 and
that at 1 100 0C the boundary of the single-phase P rall8e
corresponds to 4.5 at.~,,, the effective valency of Nb is 3 .8o.
There are 4 figures and 9 references: 6 Soviet-bloc and
3 non-Soviet-bloc. The three English-language references
mentioned are: Ref. 1 - P. Duwez and J. Martens, J. 1etals,
1952, 4, 72; Ref. 2 - 0. Kubaschewski and A. Schneider - J.
Inst. Metals, 1948-lig, 75, 403; Ref. 7 - quoted in text.
ASSOCIATION: Institut metallofizi%i AN UkrSSR
(Institute of Physics of Metals of the AS UkrSSR)
SUBMITTED: October 3, 1960
I
Card 5//6~

-2 1
4
19 U00
2~178
S/021/61/000/010/005/008
D251/D303
AUTHORS: Svyechnikov, V.M., Academician AS UkrSSR, and
Pan,--V.M~
TITLE: Phase diagram of the system Cr-Ni-JNb
PERIODICAL: Akademiya nauk Ukrayinelkoyi RSR- Dopovidi, no. LO,
1961, 1292 - 1295
TE.XT: By constructing a complete diagram of the phase-equiiibrium
of the system Cr-Ni-Nb with the quadrangle Cr-Ni-Ni 3Nb-NbCr 2P it 0
is shown that there is a 4-phase peritectic equilibrium at 1175 �5
a 4-phase eutectic equilibrium at 1173 � 50, and a 4-phase peritec-
toid equilibrium at 1160 � 50. In the part of the system Cr-Ni-nb
bounded by the Cr-Ni-Ni 3Nb-NbCr 2 quadrangle there is only one quasi-
binary section NbCr 2-N13Nb- In the case of a nickel content of over
5 - 7 % it was found that the phase of solid solution in the iow-
temperature modification of NbCr 2 vanished and was replaced by the
Card 112

Ouillillra
p j4,j,,j, v, m , "and . T eci-. - Sc J . (dltz,,') "Dla~Tam of Pl-la8e E
.-- _ V
of -~~ystem, " Kiev, 1 : (Ki.---v :- -- q-
- 4.-, .
.. ec,-. Inset. ) ' ', (KL 6ulp

PANS I"
Definition of 1,hase diagrams of Cr - Nb and IIbCr- - Ni 11b tytitem
(with summary in English). Dop.AN URSR no-3032-534 16.
(~M.A 14:3)
1. Institut fiziki metallov AN US3R. Predstavlano Addemikom
LN USSR V.N.Svc3chnikovym.
(Chrome-Niobium alloys)
T"

PAN, V.14.
Polymorphic transformations In the L'bCr intormetallide.
Fiz. met. i metaUoved. 12 no.3:,155-45 ~2S 161. 14: . ,
1. Institut motallofiziki AN USSR.
(Chromium-niobium alloys-44stallography)
(Phase rule and equilibrium)

S1 123/62/000/0 16/W,'Al I
A004/A W I
AUTHQRS: Kocherzhinskly, Yu. A., Pan, V. M.
TITLE. Connection between the hardness of hardened steel and the specia-'.
features of phase transformations in high-speed electric heating
PERIODICAL- Referativnyy zhurnal, Mashinostroyenlye, no. 16, 1962, 17,
abstract 16B14 6 ("Sb. nauchn.rabot In-ta metallofiz. Al, U~SR",
1961, no, 12, 111 - 116)
TE)ff: Y 8 (U8) grade steel specimens 1.7 mm In diameter were investigated,
having an Initial structure of lamellar pearlite. For hardening the '3eta Sakui
system was used. The electric resistance of the specimens was measured befure and
after hardening. The cooling rate of the specimens in water reached 10,00C degree/ I
sec, which ensured an abrupt hardening (the heating rate attained 1,(j00 degree/~,ec)
Kinetic curves of the transformation were plotted In the course of the
according to data of the dilatometric investigation, while also the ~4-pendenoe o~
the chang6 in phase composition and hardness of the hardened specimen; on the neat,
Ing time was obtained. As a result of the wovk it was found that the rraximu-i hrird-
ness corresponds to the termination of the,, - )j transformation at an Incompletp
Card 112

S/659/62/008/000/006/028
1048/1248
AUTHORS: Svechnikov, V.N., find Pa._U, V.IL*
TITU: Phtise diagrams for tne systems chromium-nioblum tind
chromium-niobium-nickel
SOURCE: Akedemiya nauk SS"SR. Institut metalurgii Issledovaniya
po zheroprochnym, splavam. v*8, 1962, 47-;6
TEXT: The Cr-Nb, the quasibinary NbCr Ni Nb, and the Cr-Nb-Ni sys-
tu.m-9 were &tudle3 in detail by differe;-tial thermal analysis and by
x-ray diffruction tAnalycils; the phase diagrams derived are shovrn.
The Or-Nb alloy containing 47.187, Nb (i.e., oorrespondiiij~; to the
stoichiometric NbCr,, composition) was found to under 0 an allotropic
trensforiaution at 1~900C, and to have u m,p. of 1720 C; the allo-
tropic transformation is associated with a transition from a low
temperature structure of the ' type to a high-temperature one
~19C u2
'(E) of the L~gZn, type with lattice parameters a=4.92 and c=8.10 kX.
The width of theic zone on the binary phase diagram does not exceed
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s/659/62/ 008/003/ OJ6/ .0~8
1048/1248
Phase diagrams for tne
1.5?- but its tuurQJLries ure uncertain. In the systom 3b-6r, U.11
eutcotoid trbnsformutio:~ ( c,~z7,. /'Y) occurs at 15850C_in Gr-ri-i
blloyc, -while _ pe rite cto ic tr,,,:i--;for:i.ution (--- T -i :,- ) tb.( , pluce,
I _L "7 1 '~- 6
ct 16250C in N-b-ric.-. _,"o,s. -~ie uduition of - 7, Ni to the
NbCr,, with temperin,~ at 110~OC, causes the formation of a now phLse
Y.bic~ is assumed to cons'st of 6 solid solution of Ni in the F -
modification of NrbCr,; the !jolubility of Ni in the c -phase is 36~-
at 11COO. A four-ph se peritectoid equilibrium I +L zt -- -0-
(V.."IQre : is N k4b) exizts at 11600C in the Cr-1Ni-N% diagram, In t-e
f
section con ind within the Cr-Ai-Ni 3NLb-NbCr2 quadrangle; the com"
position of the peritectoic, Point is: 30-0 Cr, 23.5i' Nb, 46. '5~~ jqi.
This quadrLngle contLins one quasibinary section only, namely, the
NbCr 2_'Ni3Nb one, There are 9 figures and 1 table.
Chrd 212

S/659/62/ 008/ 000/ 007/ 028
1048/1248
AUTHORS: Svechnikov, V.N., Kocherzhinskiy, Yu.A., Latysheva, V.I.,
and Pan, V.M.
TITLE. A study of chromium-niobium-titanium alloys
SOURCE* Akademiya nauk SSbR, Institut metalurgii,,Issledovaniya
po zharoprochnym splavam. v.8. 1962. 56-
TEMP: This is part of a systematic study of ternary systems con-
sisting of Cr, Nb, and various third components; this pa-rt deals
with or-based alloys containing up to 47.5~ A and'37.5* Ti, and
with Nb-based alloys containing up to 30 Cr and 309 Ti. The iso-
thermal sections at 1?500C and 13800C are'presented, In the Cr-
rich corner (above 60b Cr) there are t6ree one-phase regions (x -
solid solution based on Cr, P -solid solution based on NbCr2, pnd
.rsolid solution based on TiCr ). three two-phase regions (x.+ P,
J. + 'j. ''+ T. ) and one threrp~ase region (j. +P * r ) at 12500C; at
13800,onfly -f- , P, and (;r,+) exist and a liquid phase (composition
25-35 Ti, 5-15* Nb) is observed. In the Nb rich oorner (above 76
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A 004 A 127
AMORSi Svechnikov, V.N., Pan, V.M.
TITLE: The special features of the equilibrium diagram and the dissolution
&nd separation processes in the Cr-Ni system
PERIODICAL: Akademlya nauR URrayinalkoyi RSR. Instytut metalofyzyky. Sbornik
nauchnykh eabot. no. 15. Kiev, 1962. Voprosy fizlki metallov i
metallovedeniya, 164 - 178
TMU: 27 alloys with a nickel content of up to 65% Were produced for teet-
Ink purposes. Refined electrolytic chromium containing 0.0022% 0, 0.009% N,
0.604% Si, not more than 0.0003% Pb, Sn, Bi, Sb, Cd, and H O(NO) grade nickel of
99.99% purity were used as initial materials, the alloys being smelted partly in
an arc furnace and partly in a furnace of the Tamman type in crucibles of Al-ox-
ide. A detailed table of the alloy compositions and their annealing conditions
is presented. As a result of the tests carried out, the absence of eutectoid and
other non-variation transformations In the Cr-Ni system was found in the solid
state. The diagram of fusibility of the Cr-Ni-system and the solubility curve of
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31(k 11621000101510(Y-111; 10
The special features of the equilibrium .... A004/A127
nickel in chromium were plotted again. It was found that the solubility is coit-
siderably reduced with a decrease in temperature (from 39.5% at 1,345'C to 0.1%
at 800'C). The heat value of dissolving nickel in chromium was rated and proved
to be 46,000 cal/mole. Some anomaloue volumetric effoots in tempering hardened
Cr-Ni alloys with a nickel content of 30 - 40% at 1,310*C were detected. The or-
igin of these effects could not be cleared up. There are 9 figures and 2 tables.
SUBMMVED: June 28, 1961
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s/6o1/6P,/ooo/o15/oo8/o1o
A004/A127
AUTHORS: Svechnikov, V.N., Pan, V.M.
TI I Diagram of phase equilibria of the Cr-Ni-Ni3Nb-NbCr2 system
SOURCE: Akademiya nauk UkriOns'koyi RM. Instytut metalofyzyky. Sbornik
nauchnykh rabot. no. 15. Kiev, 1962. Voprosy fizikl metallov I
metallovedeniya, 156 - 163
TEXTz The equilibrium diagram of the Cr-Ni-Nb system has not been known
hitherto. The authors cite a number of bibliographic refet-ences in which attempts
were made to plot the diagram of similar systems. To investigate the Cr-Ni-Nifflb-
-NbCr2 system, 180 alloys were produced in an are furnace with tungsten electrode.
The alloy materials were chromium of 99.95%, niobium of 99.97% and 99.4 . and ni-
ckel of 99.99% purity. The alloys were subjected to annealing at 1,100'C for 107
hours in an argon atmosphere. The following test methods were usedt differen-
tial thermic, hardening and x-ray diffraction, hardening and microstructure, di-
latometric, durometric (microhardness) analyses, the method of diffusion vapors
and micro-x-ray spectral analysis. As a result of these investigations, the com-
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1.01
S/601/62/000/015/0O8/(j1(j
Diagram of phase equilibria of the .... A004/A127
plete diagram of phase equilibria of the Cr-Ni -N'3 Nb-NbCr2 system was pluLU..d;
moreover, a four-phase peritectic equilibrium was detected at 1,175 t 5'C, a fL.ul-
-phase eutecti-c equilibriumb-at 1,173 t 5~~, and.,&lso a four-phase peritectoid
equilibrium at 1,160 t 5*C. It was found that an addition of nickel in ternary
alloys results in a stabilization ofthe 8-phase on the base of the high-tempera-
ture modification NbCr2- If the Ni-content is above 5 - 7%, the ~-phase on the
hase of the low-temperature modification NbCr2 is not observed, but is replaced
by the e-phase. There are 6 figures.
SUBMITTED: June 26, 1961
Card 2/2

Card 1/2
AM,

,,~ ~ Z,- 4 .* - 11 ~
Mi~ -

SVECHNIKCV, V.~I_ FAN, V,M. . A 73.
I n *.p rm,~ ~ 7 na 5, n '-:. '- r.-: - - r Z --:- -. rl im !:'; Zrur. -.~ -, r W.?, '. - 7.
- ~.- , -. . - s t" . ~ - I
? nc . ~ - - I -, (K:.--tA ', :I )
1. Insti-u-- AN SISSR.

ACCESSION MR: AT4010700 S/2601/63/000/017/0209/0210
AUTHORi Kocherzhlmskly, Vu. A.1 Kobzenko, 4. F.1 Pon, V. Mel IvIrldenke, We K.1
Yupko, L. Me
TITLE: Calibration of the YR-5/20 thermocouple according to critical points up to
3000C. Deternfination of the malting points of vanadium and n1oblum of high purity
SOURCE: AN UkrRSR. Insty*tut metalofizy*ky*. Sbornlk nauchny*kh trudov, no. 17,
1963. Voprosy* fiziki metallov I metallovedenlya. 209-210
TOPIC TAGS: thermocouple, VR-5/20 thermocouple, thermocouple calibration,
vanadium, niobium, vanadium melting point, niobium malting point, tungsten rhenium
alloy
ABSTRACT: After calibration studies using the melting points of silver, gold,
Iron, nickel, palladium, platinum, chromium. molybdenumand tantalum had shown
that the VR-5/20 thermocouple (consisting of electrodes made of tungsten alloys
containing 5 and 20% rhenlum, respectively) could be used for the accurate de-
termination of temperatures up to 3000C, the authors applied the technique of
V. S. Mikheyev to the determination of the malting points of vanadium 09500
and niobium (2520C). "In conclusion, the authors would like to thank A. M.
Gurevich and Ye. 1. Pavlova for making the thermocouple available." Orig. art.
Card 1/2

ACCESSION NR: AT4o107OO
has: I figure and 1 table.
ASSOCIATION: lnsty*tut metaloflzy*ky* AN UkrRSR (Notallophysics Institute. AN
UkrRSR)
SUBMITTED: 00 DATE ACQ: 31J&n64 ENCL: 00
SUB CODE: ML NO REF SOW: 003 OTHER: 001
cwd 2/2

1 3993245
EPA(bb)-2/ErHP(z)/ErMA(c) Pad/Pt-lo/pu-4 IJP(c) JD~.HIW/JG/WB
_:~_~_;-~_ACCESSIOH UR: AT5005124 91260116 /ooo/oiq/oiq6/0205
thnikori V. N ademician M, an,
(Ac V
AMOR I UkrSSR); P M.; Korobeynikova,
V. G.
_TITM: Thase diagram of the nidbium-niclcel system
AN UkrSSR. Institut metallofiziki. Sbornik nauchnykh trudov, no. 19,
Voprony fiziki metallov i metallovedeniytk (Problems in the,physics of metals
Phis-i-cal za-talurgy), 196-205
A iobi c
GS. ob um, nickel n um ni kel system' -nibbitua nickels allay, alloy
diagrazu, alloy composition, alloy microstructure, alloy hot hardness alloy
)n 2*olstance
-.ABSTRACT-: F6ity-nil-e --
.1 -Ni-alloys, containing 100' 0% Nb, were melted, from 99-54'
pure-Nb and 99.8* pure I i in a nonconsumable tun'gsten-electrode are furnace in an
argon atmosphere J'bnd investigated by various methods of physicocbemical analysis.
On -the basis of obtained results, a complete phasse diagram of the Ni-Nb system was
PlOtte4 (se'e Fig.-I of the Enclosure). The maximum solubility of Ni in Nb was
'found-to about 4 5% at 1320C (1.2 and o.6% at 1100 and 800C, respectiYely). The
be
maxivrm volubility of Nb in Ni was 13-.5 at% at eutectic temperature (V85C). The
Card

r390
ACCESSION NiR: Amos i
641*e~4 an Intermetallic compound has a very narrow (less t.h an 1%) homo-
N13 Kb
geneity, region. The n-phaae, an.Nigb-base solid solution, has a Vide homogeneity
region. The lattice constant of the y-phaae (an Ni-base solid solution) increases
with increasing Nb content from 3.517 XX (for pure Ni) tol3.581 kX at 12% Nb.
Further increases of Nb content had no effect on the lattice constant. The micro-
hardness of the n-phase decreases with increasing Vb content. The microhardne5s
and lattice constant of the a-pbase, an Yb-base solid solution of Ni, increases only
-alightly vith increasing Ni *conteat. The hardness of Ni-base alloys increases with
increasing Ub content from 1.0 Gn/m2 for pure nickel to 4.0 Gn/m2 for alloy with
25% Kb. Ni increases the room-temperature hardness of Nb-base alloy but has little
or no effect on hardness at high temperatures (800-1000C). Small (up to 4%) addi-
increase the oxidation resistance of Nb by five times in 5-hr tests in
r at:1000G. Higher additions of Ni have a slight effect on the oxidation resis-
tance." Orig. art. has: 8 figures and 4 tables.
(In titute of Physics of Metals,
_'..AsSOCIATIbit; Inatitut metallofiziki AN UkrSSR 8
All UkrSSR)
25JUn63 ENCL: 01 SUB CODE., R4
SUBMITTED:
so Mr ami OW '("Rt.~ 066 ATD ~Pmw I 318a

U; K "Y AN KW , Ar te.,, 5 1 , j t-! . . : ) 7 r ; A'. , . ." . , , ~ k :.I .
raluk,
.-I . I . . I " Z'
[Submerged g-;s -1 1 - - . . 1. . . : k": . .- I
." . . . , . r I )
g,azo,ryi na,,*rc7,, z: . :~.- . . .1. I,.., . r.1
1 1) (-. 5 .130 1 - . ~ A - : ...

NR- AT6036278 A) SOURCE CODE:
AUTHOR: Pan, V. M.
ORG: Institute of Physics of Metals, AN UkrSSR (Inatitut metallofiziki AN UkrSSR)
TITLE: Phase diagram of the vanadium-gallium system
SOURCE: AN UkrSSR. Struktura metall7icheskikh splavov (Structure of metal alloys).
Kiev, lzd-vo Naukova dumka, 1966, 56-66
TOPIC TAGS: vanadium alloy, gallium containing alloy, alloy phase diagram
ABSTRACT: A se(ies of 35 vanadium-gallium alloys containing 10-98 wt% Ga melted
from 99.5% k!!_re_'V and 99.999% pure Ga in an arc furnace in an argon atmosphere'
was studied by various methods of physicochemical analysis. On the basis of the data
obtained, a phase diagram of alloys of the V-Ga system was plotted (see Fig. 1).
Card 1/3 !L

ACC NP- AT6036278
Ga. wt.%
OA?JVJv4OM 9v V. X maw
Ic
fox
9 W IM VU .-W ev IV JV ff W 4v
v Ga, at.Z
Fig. 1. Phase diagram of the vanadium-
gallium syst"
Card 2/3

ACC NR, AT6036278
G. A. Alfintser (Institute of Physics of Wtals, AN UkrSSO participated in the work.
Orig. art. has: 3 figures.
SUB CODE: l1/ SUBM DATE: 28Jun65/ ORIG REF; 003/ OTH REY: 010/ ATD PRESS:5106
Card 3/3
- -.l.. - . -. -- . -

id6RCE -666i*'
ACC NRt AP6009420"" ~7 ~URIIVR-0164i-1661OOCI
1328/1331.
J.
WMOR: Svechnikov, V. N. (Academician AN UkrSSR); Pan, V. M.; Beletskiy, Yu. 1--)
ORG: Institute of Metal Physics, Academy of Sciences UkrSSR (Institut
metallofiziki Akademii nauk UkrSSR)
TInE: Relationship between the shape of the homogeneity region of the 0-phase in
the nioblum-tin system and the superconductivity characteristics of Nb3Sn
117
SOURCE:1 AN SSSR. Doklady, v. 166, no. 6, 1966, 1328-1331
TOPIC TAGS: niobium tin compound, superconducting compound, superconducting alloy
ABSTRACT: A series ofniobium-tin alloys containing up to 37.5 at % tin were
studied in order to explain the negative effect of annealing at temperatures above
9DO-1000C on the characteristics of superconductivity of Nb 3Sn compound. Alloys
were annealed at 700-1800C for up to 350 hr and quenched. All the alloyp, containing
16.9 to 37.5 at % tin were found to consist of a phase with a 0-tungsten"itructure,
I. e., Nb3Sn phase, regardless of the annealing temperature, which proves that this
compound Is stable at temperatures up to 1800C. The lattice parameter of Nb3Sn was
found to increase linearly with increasing tin content from 5.2790 A at 9.3 at % tin
to 5.2875 1 at 34.9 at Z tin. The niobium side of the phase diagram of the niobium-
tin system plotted on the basis of experimental results (see Fig. 1) shows that the

ACC NRs AP6009420
___~W, weight Z
- - 6 -,v -0
v Fx-YrTT-'I
-.Sn,, a"Le ZI,'
Fig. 1. Niobium side of the niobiuvr-tin
phase diagram
illity-of tin In IRb3Sn drops she ly at temperatures helm 900C. On the other
rp
P__hsod;., the critical temporature of the compound,.appeara to depend linearly on the tin
coniaiit. which was determined frbb,,the analysis of sow literature data. This ex-
Plains why the critical tb"rature:of Nb3Sn Increases sharply with annealing temper.
-ra-
..tim'"creased to 900C and - drops again with. a -further increase of annealing to v
_t Orig. art. has: 4 fftureCs and I - taKe
JDVJ

L_21,562=66
ACC NR: Ap6oo9420
ture increased to 900C and drops -again with a further increase of annealing tempera-
ture. Orig. art. has: 4 figures and I table. (DVI
SUB CODE: 20, ll/ SUBM DATE: 16ju165/ ORIG REF: 002/ OTH REF: 019/ ATD PRESS:
4perconducting alloy

PAN, V - Ya.
Comments an a problem ef N.M. Luzin. Nauch. d*kI. v". ahk*17;
fiz.-mat. nauki n9.4:59-62 '58. (KIRA 12:5)
1.Moskovskiy gesudarstvenny7 universitet im. M.V. Lomonaseva.
(Functions, Continuous)

46(34-- 1 (6 . '2 6 o oI t , / , o D
AUTHOR: Pon, V.Ya. SOV/1515-58-4-10/34
TITLE: Concer-nrn-g a Question of N.N. Luzin (Po povodu odnogo vopross
W.N. Luzina)
PERIODICAL: Rauchnyye doklady vyBshey shkoly. Fiziko-matematicheskiye
nauki, 1959, Nr 4, pp 59 - 62 (USSR)
ABSTRACT: Let the function %f(z) continuous on [a,b] be approximated
by f 1 (1) Y2( x). ...... fn(x)' Let Ln
max "f(x' _~fn(x)l and G n (_-[a,b] be the set of those
X G [a,b7
points, where it is - L /4 = mes G
I LP(X) - kfn(x) I n n n
In the connection with the problem Nr 28 of Luzin ~_Ref 1-7
the author investigates so-called "pure Chebyshev" approxi-
mation sequences J%fn (xj and specifies several cases, where
lim /6-n = 0 - Simultaneously it is proved that this relation
n-~W
must not absolutely always exist t There are in a certain sense
Card 1/2' X

Concerning a Question of R.N. Luzin
SOV/155-58-4-10/34
very good approximating sequences for which i-t is /t- >0 for
all n- . n
Yu.A. B=nAz" and I.Ye. Gopengauz are mentioned in the paper.
The author thanks V.D. Yerokhin for the subject and A.G.
Vitushkin for advices.
There are 3 Soviet references.
ASSOCIATION: Moskovskiy gosudarstvennyy universitet imeni M.V.
(Moscow State University imeni M.V. Lomonosov)
SUBMITTED: June 4, 1958
Lomonos9va
Card 212

CO(!
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,100 2 26~ ?69
0t Vol JIT
-jol
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01
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0

7
Schemes for the Computation of Polynomials
Theorem: For every Pn(x) with real coefficients
parameters h,,x ...,X so that after
2 n
parameters into (1) there results the
SOV/20-127-2-r-~/-,
there exist real
the substitution of these
value of Pn (x) in the
point x.
For the determination of the parameters X a system of equations
has to be solved; a graphical method is also possible.
1 theorem, 3 lemmas, and 4 remarks are given altogether. The
author thanks A.G.Vitushkin for giving the theme and aid.
There is I 3oviet reference.
ASSOCIATION:Moskovskiy gosudarstvennyy universitet imeni E.V.Lomonosova
(Moscow State University imeni Y.V.Lomonosov)
PRESENTED: March 19, 19590 by S.L.Sobolev, Academician
SUBMITTED: March 13, 1959
Card 2/2

rl j
30 ~75
000
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--er,
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eo, 1,
t e
e z-, i_ o-,

30375
.3, ;_-42 000, oo~
,erta:n s.,.Iemes for ev--i'.*'l'~t lr-.12 Dc,22, D30C
X: h x x
x + A T 4
4
x
41 : 1, x /t

x x x
P +A-1 t
,
x x + A x + A

x w-e~i 4 c. 1~
/to x P., x

x xpi4 x 4
1110 A C)

XP4 X x

~i r

3f '-7~
000 00~
'ert;-, in .eme-s f ev at D I/D 0
A t r. ej -.e m.e f P 1, f I I j J,
In
ml~ V .1 i 0 M x
r
r ei~ e W e
e
n e t.'! u e,% -rle ~111~d X E, e
e
I r,:j t-irw t.~.e r~r em -i:: 'i e,
e f ~ r e e,-

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proxi. , t! -nc ti -.,; c b:, mew0 On
nes. Us
-1 '7 :;-0 "1.
(.- .- - - 14:1

3/209/6 21002100 1 1 ~D/(~ I
Polynomial comput-!tlon ... D299/7503
(n-r-2)/2
(n) - i - k
r+ r 0 for r,
[n/2 where k r 1 for r
PS + isp s r. r+2, (4)
[(s+1 2] s+1-M
s+1 7, 1 S+1-i M
M=O i=M I?
where (6)
(9+2)
XO+2 OL,-f 2
These relations can be readily obtained from Eq. (1), by virtue of
the following Lemma: With any integer s -- 2, the rel!Aion
Card 3/5

,/2, 621002100110101,_-:16
Polynomial computation schemes ... D299YD303
where
p,+, = (Z' + 1Lx + X,+1) Ps + ),*+I,
q = s,s + 2,
is equivalent to system (6), supplemented by (5). Further, the al-
gorithm for determining the parameters is written:
A, ~ A, ~ A3P, A 6P6 ~ A,Q,.
The signs occurring in this algorithm are defined. At present, the
algorithm has been programmed for a computer (for n---: 8). Computa-
tion of polynomials by the scheme M ir , yields about the same accu-
*;nded table, examp'Les are Ci-
racy as by Horner's scheme. In an app
ven for the use of the M ir -scheme in calcul~_-tinC, the function f(x).
.;ferencest 1 Soviet-bloc and 3 non-'cviet-
There are 2 tables and 4 r 0
bloc. The references to the English-language public,-.,tions read as
follows: T.S. Motskin, 'Evaluation of polynomials and e%,.il.uition of
Card 4/5

?r.
7
Pc lyr-cmi al s N- D3~~
. proximati,;ns for j a' 7, p, e i- Pr: -,i n
Haut.,ng., A:
sey , Pr--r.-,e 7.-~n lJn. v, Press E E A P.
r. t 9 :,me m -- cl f i e dBe r c, T
c - Mp"; 6
SUBMI T TED: 3,~T-t.e-
Card 5/5

1) ~x 2 Q (x JO f A IOil
AUTHOR- 4Enyja Imoscow) l"11,1211
TITLE: On some methods of computing values ol polynomials
SOURCE Iftoblemy kibernetiki, no 7, 1962, 21 30
TEXT: A method for imputing the values of the polynomial P.(rj a, 1' ' ~,Iicrr j
(a0 96 0) art given real ndmbers, is looked for, This method has to be independent o1 the ithili,v. p -im
and to use arithmetic operations only.
The main result of this paper is theexact lower estimate of the numbet of operatioms in LornpUlAtion dicnic-
with no preliminary re~arrangement of the polynomial. It is proved that Horner's schemc
PJX) = ( - Qaox + al)x 4 a2)A -. a, I )A - a.
is almost always the most economical one. This result is generalized fot polynomials in more than )nt- varial-ii,
A simple result for schemeswith a preliminary re-arrangement for polynomials in more than one vati.i~& ;,
arrived at. A scheme is given by which the lower estimate of the number of operations as given hy ~ hik h , h(
lower estimate of the number of operations as given by Belaga (Ref 4 Problemy kibcinetiki, n,,
Fizmatgiz, 1961, 7-15) can be reached asymptotically
SUBMMED: August 13, 1960 (initially)
February 3, 1961 (after revision)
Card I /I

L 2393946 -.EWT(d;' IJP(c)
Acc Nib - AP6=946
AUMv ve Ta. (*wow)
pant
OROS
TIM i CamputAtion of tifth and seventh.&02 polynomials with real coefficients
SoMM 2mrwa vyobigaitellrsoy astamtUd i mtenatichaskay MIX, ve 5, no* 1,
1965. n6-=
;TOPIC TAGSt 101. mtbomtics
polynmd
ABSTRACTs Mynoodals of the tM a" s se d I n *an c&h a
-Abat the 000patatim roqa"s the leafft umber of step" CMOs n=5, ?we gLveno
I forsaila
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RUWANIA/General Problem of Pathology - Tuxors. T-5
Aft Jour : Ref 2hur - Biol-, So 3, 1958, 12819
Author : Pan&, A.S., Dancila St., Buzuloiu, Gh, Bahleanu, V.,
'tY"iftr'-C.
Inst : Not given.
Title : A Case of the Adrenocortical Tumor Syndrow in an Infant.
Orig Pub : Studii si cercetari endocrinol. Aead. RPR, 1956, 7, No 2,
253-255
Abstract : This is a case of a three-year old femle infant vith the
syndrone of adrenocortical hyperfunction. Beginning at
3 nonths there vas rapid veight pin, deposition of fat
on the trunk and face, hypertension, and hypertrichosis
with growth of hair on the forehead, cheeks, upper lip
and around the genitalia. A twwr the size of a fist was
detected in the left renal area. There vas an increased
Card 1/2

academician; PANA, A,.i
IAJLCU, St.14., . _1'. ;. LU NG U , Al .
The clinical characteristics of incipient hyperthyroidism.
Stud. cercet. andocr.' 14 no. 3:295-311 163
(HYPERTMOIDISM)

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by Sb, and rOC12 by aq jjH3 op gtOB-Zo. T~&
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NANA, A., prof.; M14CIOIU, C., dr.; FANA, G. . dr.
Early evacuation disoyders after rc-sections of the atomach. Y-ea.
inter., Bucur 13 no.6t947-953 Je '61.
1. Lucrare efectuata in Clinica I chifur icala, Cluj.
(GASTRECTOMY complications

9AKAV A., Prof.; MIXI01U, C., drq_fANA C . dr.1 NEUMANN, It., dr.
Contribution to the mechanism of ulcerous hemorrhages. Participation
of the liver in ulcerous upper digestive hemorrhage. Had. intern.,
Buc-ur 13 no.2:211-219 F 161.
1. Lucra7v efectuata in Clinics. chirargicala I, Cluj.
PEPTIC ULCER HEMORRHAGE etiology)
VER pathology) CAPILLARY PERMEABILITY)
0
(VITAMIN C DEFICIENCY complications)

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. 10,

- %14 A, ('
j .
Studies -~n t-.e po-~flr 'r-sorlpd in cutting wc-od into c:.ips in -
to its temperrture -nd hu:Adity. r. '107. ncp~eria -epubllicii .,-opuiare :-~M.Jre.
InStitUtLl de ecanica ;',4-11i~~,:ta. -"7 '- I ' "I "F' -F El 'E".."INT".. *Ii '..T'
L-ucurepti. Vol. 4, no. 3/4, Ju'.Y/Dec. -X5.
So. EhF!t European Acce:-si,,!is '-ist Vol. ~, No. 9 Se, tember,

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STUDII SI CERCETARI DE MUNICA APLICATS. Bucuresti.
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PANIA I C! .
The use of cieterin-ated tij-.h(x- for ccnEtr-xti(-. anc -Induftrial purpo,-,e,,. p. 1rc.
(-ITUD.-I ~,I -r-.'iCL,Tj -.- Dr- AP~ i VOI . 8, n( . I , IfAn/,MiAr. I " (-. *.~ .
Bucure,cti., Flunwda)
'A'. Mnnthly List of East zuropowl kccassions (i.!-IL) L--. Vol. 6, *.o. 11", Dec-',14