SCIENTIFIC ABSTRACT KARTSEV, M.A. - KARTSEVA, A.M.

• Document Type: CREST
• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R000720920006-5
• Release Decision: RIF
• Original Classification: S
• Document Page Count: 100
• Document Creation Date: November 2, 2016
• Document Release Date: June 13, 2000
• Sequence Number: 6
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

86822
S/02 60/135/005/007/043
7/60 BO19Y13o67
AUTHORi ZAAt-w- M.
TITLEt Principle of Movable Blocking Devices in Constructing
Electronic Computer Circuits
PERIODICAL: Doklady Akademii nauk SSSR, 1960, Vol. 135, No. 5,
pp. 1064-1067
TEXT: The author, together with the Engineers V. L. Brailovskiy, Yu~ N.
Glukhov, A.. V. Datsko, E. F. Stupin, and G. I. Tanetov, developed semi-
conductor systems intended for electronic computers with switching
frequencies of 5-7 megacycles. Some essential properties of these systems
are discussed without giving further technical details. In principle, two
systems are concerned which can be used in arithmetic devices and control
devices of comouters. The first system is an inverter for voltage levels
performing th.? logi~,al operatioi "no" and a reduction of the signal level.
The second systew. is Ft multistage logical system of diodes~ Such a system
has four stages corresponding to the logical operation "and - or - and -ov!
The systems are coupled such that the output signal of the logical system
Card 114

86822
Principle of Movable Blocking Devices in S/020/60/135/005/007/043
Constructing Electronic Computer Circuit", B019/Bo67
of diodes is always fed to the input of the inverter. The signal at the
output of the inverter is fed to the input of the logical system : AV an
example, the author discusses the trigger shown in Fig. 1. Circuits
without digital elements which, however, allow various inverter combina-
tions by blocking are called circuits with movable blockings. The circuit
shown in Fig. 2 is discussed. Here, x, y, and z are the input signals.
If, for instance, two input signals are lacking, the three inverters are
coupled to a nonsymmetric trigger. On the other hand, the system has
three stable positions in the case of two input signals. The possibilities
of this system and its variants are dealt with in detail. The examples
show that the use of a movable blocking allows the construction of
essentially new circuits. A. B. Zalkind is mentioned. There are 2 figures.
ASSOCIATION: Institut elektronnykh upravlyayushchikh mashin Akademii
nauk SSSR (Institute of Electronic Control Machines of the
Academy of Sciences USSR)
PRESENTED: April 5, 1960, by S. L. Sobolev, Academician
Card 2/4

86822
FrinCI.T.le of Koc`ing Devices in 51020 50 ", 7r-,/C 0 5 Ir-
/ - , " 1 7
'--~:t-'er Circuits B019/BC67
SUBI-', I TT ED: %'arch 2r:I, 11,60
~e,;rend ".-o Fi,,-. 1: 11 Tri-Cer, 2) outputs to device "0", 3) outruts to
--rvi 1-ter, element "or", 6) element "and"
7' input's to
device "Ill, 8~ 1101, 0) outputs.
I pulus to device
.~-e~Tene -,o Fi; 2: 1) outputs.
Car:'

86822
S/020'/60/135/005/007/043
B019/BO67
Card 4/4
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. KARTSEV, M.A.
Principle of movable block 6y-stecns in the construction of circuits
for digital computers. D.okl, AIq SSSR 135 no,5:1064-10157 D 160.
(MIRA 1~.*12)
1. Institut elektronnykh upravl-yatushchikh mashin AN &SSR. Pred-
stavleno akademikom S.L. Soboleryi.
I (Electronic calculating machines)

HARTSEV, M A kand.tekhn.nauk
Automation of calculation and the development of calculation
techniques. VeBt. AN SSSR 32 no.11:64-69 1 162. (NDU 15:11)
(Electronic computers)

KARTSEV, N., inzh.
The "Atmosfera-2m" portable transistor radio. Radio no.l:
49, 51 Ja 163. (Transistor radios) (MIRA 16:1)

K'~'HTSEV,. `,
I'Liitcr -,C the blue roads. Voeni. man. 40 co.1-01,,42-0 0 '64.
OkIIRA 17-1-2)
1. Nachallnik tcekhaVorone-zhskogo vagononemontnogo zavoda.
T~

.. .-I. , ;~ - - -1, ~
.-l- j 1-1 . . ! . ~ , .1; 1 t-
iii ~; ~~ t r t -'u lon :~ ' A i i i r, v - -t L i il a t i o n cl f I , i i - b o E t!, i t i - a t! D r .5 L, n, j e r 4 ~, j n 3 y ~ --, .- -- t -1 ~ i --. -- i ~. ~ - -~ : ~ . I I
..JCi, -:O.'5COij ~-,raer of' crdn j.,,,jLitLte!! i...trii 'J. ",-. -Olotov,
415 Jun, 5,- (Vcc'x!rfiya~,a -'ozcc.,, 16 jLl,-, :54)
j~- : - ~ :~ " 1 54
-) !..,, .2j Lcc i.,~,

Icand.teklin.nauk; 14WfYUKOV, V,yc,, 'nz"-
Asynchronous motors with aluminum windings of the A and AK series
having power ratings of 100 to .1.000 kw. Vest.olektroprom. 33
no-4:19~-21 Ap 162, (MM 1514)
(Electric motors., Induction)

137-58-4-6394
Translation from: Referativnyy zhurnal, Metallurgiya, 1958, Nr4, p9 (USSR)
AUTHORS: Kartsev, P. M. , Girdasova, Z. M.
TITLE: The Process Investigation of the Ore of the Sovetslryje Deposit
(Yeniseyzoloto Trust) [ Teklinologicheskoye issledovaniye rudy
mestorozhdeniya Sovetskogo (trest Yeniseyzoloto) I
PERIODICAL: Tr. N.-i. gornorazved. in-ta "Nigrizoloto, 11 1957, Nr 22,
pp 167-168
ABSTRACT: The object of the work was to develop a practicable procedure
for beneficiation of the ores (4 the lower levels of the Sovetskiy
vein in order to design a new gold refining plant or to reconstruct
the existing one. Three procedures were tested in investigating
the given sample: amalgamation of the ore with subsequent
cyaniding of the amalgamation tailings; amalgamation of the
raw ore (with removal of free Au at the start of the process),
and cyaniding of the flotation concentrate; and amalgamation of
the raw ore and flotation of the amalgamation tailings. The
major *, technological criteria for the various processes are
presented. The investigation made it possible to recommend a
Card 1/1 system for flotation of the ore followed by cyaniding of flotation
concentrate. A. Sh~
1. Ores--Processes 2,. Flotation--Applications

KARTSEV, Pavel Tikhonovich; BRAYWVSKIT, N.G., inzhener, redaktor;
tekhnicheakly redaktor
[Refrigerator cars] Izotermichaskis vagony. Moskva, 0-os.
transp. zhal-dor.izd-vo, 1955. 203 P. (KLRA 8:10)
(Refrigerator cars)

JYEVLEV, V.I., kapitan 2-go ranga; GWKHOV, G.P., iinzh.-wkapltan 3-g0
ranga; ZARUBIR- L.K., kapitan 2-go range; TIMUZIEV, V~D.,
kapitan 3-go ranga; KARTSET, R.P., kapit--n 1-go ranga;
MICHUR01) V.I,, kapitan 1-go ranga.
Matured problems. Mor. abor. /+9 no,, 12:49-53 D 65

KARTSEV, S.; KOVALOKO, I.; KUKIH. I.
In the German Demooratic ReImblic. Proil.-takh.obr. 13 no-9:17-19
s ~56o (MIRA 9310)
(Germany, Mast-Technical adacation)

S
AUTHOR: Kartsev, S., 27-9-25/30
TITLE; Professional Schools in Yugoslavia (P:rofesoionallnyye shkoly
V Yugoelavii)
PERIODICAL: Professionallno - Tekhnioheakoye Obrai~ovaniye, 1957,
1# 9(146)
,
.
,
P 30-31 (USSR)
ABSTRACT: Durizig-this summer, a delegation of Soviet Union educational
workers visited-Yugoslavia for the pu:rpose of studying the con-
ditions of national education. They visited a number of eduoat-
ional and cultural institutions in vairious,eities of the country
and submitted the following report. The basic type of general
education school is the 6-year elementary school-, The raduates
L
can continue their education at 4-year
peoial so ols tech-
7
,!
nioal, agricultural, economical, medio , eto.) from which a
part of them can enter universities while the;othere seek em-
ployment in industry or other branoheig of the natio'nal economy$
After graduating from the 8-year school, a considerable number
of young people enter the 3-year indui9trial and trade schools.
Attend'anoe-at these schools is compeasory for youths up to 18
years. Serious attention. is paid to the development of both
upper and lower professional eduoation-' In 1938-1939 there were
Card 1/2 33 different professional secondary sohoole with 10,689 students;

Professional Schools in Yugoslavia
27-9-25/30
in 1955-1956 the number inoreased to 190 with 41#942 students.
Industrial and home economics schools in 1938-1939 numbered 360
with 21,214 stud6nte, in 1955-1956 - 369 with 36,633 students.
Trade Schools in 1938-1939 were 411) with 48,656 students, in
1955-1956 there were 640 with 8893:20 students. At the industrial
and trade schools the biggest number of students - 34,4 per cent
- learn metal working professions*, 15-% woodworking, 11,3 %
textile, 6.6 % business, 4,5 % ele-)trical and 39 % oanning:trades.
Most of the schools are satisfactorily equipped. The schools
built,in recent years make a good impression. The article fur-
ther contains particulars in regard to student practical train-
ing. The students are also awarded scholarships and supplied
with work clothes free of charge. A charge of 4-5000 dinars
per month is to be paid by students staying in boarding schools.
The graduates must look for employment themselves. In the town
of Rijeka, there is a Pedagogical-Profesei;opal School, train-
ing teachers for the industrial schools during a 2-year term.
AVAILABLE: Library of Congress
Card 2/2

MOSQTOV, P.; ZILANKO. Go; BORDA YN, A.; HALITIMV, B,; KIRPIGHNIKOT, Ps;
DONSKOY, Go;_IA S
~~-L_MOISXW, P.1; SAMOYLOV, P.; SHISOM, I.;
NAUGOLINOT, A.; PAPONOV, No; GMWKVf. So; SHABLI)WSICIY, Go;
GMMW, So
TA.T. Remizov. Prof,-tekh. obr. 15 nio.40 of cover Ap 158..
(Remizov, IAkov Terentlevich, d,, 1958) (KM 110)

271-5C-9-4/la
AUTHORs Kartse--r, 5. , Chief of A&.m1r_1.,3t ration of Schools acd Vocatior-al
sclIQ01S in the F"S? SR"
TITLE2 Inter-Oblast' Seminars (Flezhoblastnyye seminary)

PERIODICAL: Obrazovaniye, 10569'N~Nr 5
pp 6--e (USSR)
ABSTRACT: Seminars have been, held lately in various areas. in Sverd-
lovsk (covering bhe Omsk, Chelyabinsk, Perm, Kirovo Tumensk,
and Kurgan areas and the North Kazakhstan and karagandinsk
Oblast'S and the Udmurtsk ASSB.) there were lectures by the
following Directorc, or Deputies: from the Sverdlovskoye tekh-
nicheskoya tichilishche Nr I (Sverdlovsk Technical School. Nr 1),
Kuznetsov, and Deputly Director Kiselev; from the Technical
School 57 Director Begdanov; the Deputy Director of the
Carpentry School 39, Zhuraviev. In Kuybyshev (covering
Orenburg.,. Stalineradp Astrakhan, Saratov, Penza und Ulyanov
Oblast's. and the Mariyakaya, Mordavskaya, Tartarian and Bash-
kirian ASSR), lecturea were jr4ven by Dir'ectors of Carpentry
School Nr I., Kaurov; Technical School Nr 2, Deputy Director
Karaulov; Carpentry School. N:n 9, Director Kurlyanov. In
Voronezh/over 70 wirkers tuok part, indluding the Dirnetor of
Card 1/2 Railway School, Kcptsov. A number of technical manuals ware

Inter-Oblast' Seminars
27-56-5-4/)P,
discussed and found outdated, especially the standard
"Zheleznyy Put'", (the Railway), In Tulafthere rire dirpptors
or deputies from 32 schools, of whom only Director Pri-,Jn,,,nr
is named. The whole affair was regarded as a great success
and is to be followed shortly by seminars for school teachers
from schoolsfor builders, the construction, coal-mining, oil
and railways industries.
AVAILABLEi Library of Congrecs
Card 212 1. Lndu8'Vrial TralTring-Seminars

KARTSEV, S.
Vocational schools of Rumania, Frof.-tekh. obr. 19 no-5:30-31
My 162.' (Rumanie-Vocational education) (MMk 15.5)

f 77,S- V, V', IV,
PANPIWVt Lie; HIRSKIY. G.G. glavuyv. inzhener; KARTSAV, VoN., arkhitektor.
Elevator shafts in apartment houses. Gor. khoz. Mosk. 32 no-3:35-36
Mr '58. (MIRA 110)
1, Nachallnik Proyektnoy kontory Moszhilupravlenya (for Panfilor).
(Hoecou-31evators)

KARTSEV, S. P,
"Referring to D. I. Polyako's Article, 'Worm HOW vith Inserted Teeth"', Stanki i
Instrument 10, No. 3, 1939, Engineer, Frezer Plant.
Report U-1505, 4 Oct 1951,

KARTSY P - BASOV, M.I.*0 kandidat tekhnipheakikh nauk# retsenzent;
... NOW-
'X.Ta..- redaktor; BHWSTOTSKIT, L.Tv.., inzhenar, redaktor;
6
BETSELIKAN, R.D., inzhener, redak-tor; MODIV, B.I.' tekhnicheskiy
redaktor.
[ThresA cutting tools) Instrument dlia. i74,,otovlonila rezlby,.
Moskva.. Goo.nauchno-tekhn.izd-vo mashinosi;roitellaoi lit-ry,
1955. 251 P. (KIRA 8:10)
(Scraw cutting machines)

KMNOPOLISXIY, David Zakharoy lob ~-U&LWJLJ&&, inshener, reteenze4t;
BEUSTOTSKIT, L.Ta., Icandidat tekhnic:heskikh nauk. redaktor;
SHMEMINA, Ye.A., redaktor isdatelletva; UVAROVA, A.F., telchni-
chasiriy redaktor
[KB ecrew-cutting machine for cuttin4,, female threads sad.making
bores) Rezlbonareznyo golovid KB dlia narezaniia vnutrennikh rez1b
I rastachivadin otverstit. Koskva, Goo.nauchno-tekha.izd-yo,
mashinostroit.lit-ry, 1957. 29 p. (MLRA 10:7)
(Screw-cutting machines)

KARTSU, Sergey Petrovich; BASOT, H.I., inzh., reteenzent; DOLGOTA,
0.16. , telchIr.
[Screw-thread cutting tools] Rezlbonareznoi Instrament.
Moskva, Goo.nauchno-tokhn.isd-vo mashinoBtroit.lit-ry, 1959.
99 P. (MIRA 13:2)
(Screw-cutting machines)

VINNIKp L.M.; GRINBERG, R.Ya.; KAMINSKIY, Ya,.A.,- KLEPIKOVv V.D.; KUZNETSOVp
A.M.; KUCHEh7ZVt N.I.; STRUZHESrRAKHq Ye.I.j TISHIN9 S.D.; KHAR.T-
TONOV, A.B.; TS-nTSj I.E.; SHAPIRO, I.I.; SHAPIRO,, M.Ya.; ANANOYAN,,
V.A. # retsenzent; VISIL'YET;'-D.T. p' r6tsenzent; GORETSKAYAp Z.D. p
retsenzent: KARTSEV p 1*toenzb~,t; KEDROVy S.M. v retsensent;
KOMISSARZHEVM=Fv tf.P7.
v retwnzenti KOPERBAKH9 B.L.9 retsenzent;
KORBOVj M.M., retsenwntj LEONOV-7 N-*IO', retsenzent; LURIYE, G.B.p
retsouzent; NOVIKOV,, V.F., retsenzent; GALITSOV, A.D., red.; VOLI-
SKUp V.S., red.; KHIS3Nq R.I.v red.j SEVENOVA, M.M.9 red* izd-vaj
MODEW, B'Jeq tekbnorede
[Reference book for establishW norms in the manufacture of
machinery; in 4 volumeal Spravocbmik normirovshcbika-
mashinostroitelia.; v 4 tomeA. Moskvap Goo. naucbno-tekbn.
izd-vo mashinostroit. lit-ry- V0102* (Establishing technical norms
for operating machine tools] Tekhnicheskoe normirovanie stanoch-
zWkh rabot. Pod red. E.I.Struzbestrakha. 196l. 392 p
(Industrial management) (Machine tools) (" 14:8)

KART5EV, Sergoy Sergeyevich; SHAPIRO, Solomon Illich; TUCHKOVA, L.K.,
inzh., ved. red.; VOLODIN, Ye.I., kand.tekhn.nauk, red.,
SOROKINA, T.M., tekhn. red.
(Universal device for checking hobbing cutters. Height gauge
for measuring the depth of thread of thread rings]Universallnyi
pribor dlia kontrolia cherviachnykh fre.. Vysotomer dlia izme-
reniia vysoty profilia rez1by ii rezlbovykh kolets. [BY]S.I.
Shapiro. Moskva, Filial Vaes.in-ta nauchn. i tekhn. informa-
tsii, 1958. 16 p. (Peredovoi nauchno-tekhnicheskii i proizvod-
stvennyi opyt. Tema 21. No.M-58-156/6) (MIRA 16:3)
(Metal-cutting tools-Testing-) (Gauges)

KARTSEV, V.
Based on progressive practice. Fin.SSSR 23 no.6:61-63 je 162.
(MIRA 15:7)
1. Nachallnik otdola kadrov Irkutskogo oblastnogo finansovogo
otdala.
(Irkutsu Province-Auditirg and inspection)

KOTLOV, G., inzh.; KARTSKV,,,Ir,,., _,appirant
At the bottom of the temperature we'U. Tekh. mol, 31 no.6:1-2 ?63.
(14IRA 16:7)
(Superconductivity)

KAR-USEVO V., ln7,h.
Device for checking and straightening connecting rods Avt.
tranap. 43 no.6:41-42 Je 165. 411IRA 18:6)

DAUROVAY A.T., inzh. (Moskva); KARTSEV, V. it inzh. (Moskva)
A two-stage long-range protection system using.trAnsistors for 110
to 220 kv. power transmission lines. Elektrichestvo no.203-78
F 163. (KRA 1615)
(Electric protection) (Electric power distribution)
(Electric lines--Overhead)

I
AILITSBULLER, V.A., irizh..~- KARTSEV, V.L., ll~!;" PF T!,.: 11?
S.Ya, inzh.
fuse-st-age distance-type protection cyst,%irt using
: V., TRA ', 7 r 2 :
Elek. 8t8. 35 no.8,63-68 Ag t64. -

L 9628-66
65-1609,1 ~7
ACC NRt AP6003970 SOURCE CODE: UR/0104/65/000/0 3
AUTHOR: Sarkisov. M. A.; Rokotywtn. S. S.: UHT)enrkly. B. S.; Sharov, A. NF_-
Zhuli.n, 1. V Fedoseypv, A. M.; KQrolpv. M. A.; Kheyfit 1. N. 4..; Yermolenko. V. M.,~
A
PeLrov 8). )La.; zarlyev, D. I.: Krikunachi _A. 6; L191yakov, 1. P.; Sazonov. V.'I.
Khvoshchinskaya, Z. Sirtelyanskaya, B. ja ; Kozhin. A. N.;
Losev, S. B.; Dorodnova. To Y.; RubincNik. V. A.; SmirnQv. E. P,; 4M~ ~nA~A.
ORG: none
TITLE: Abrain Borisovich Chernin
SOURCE: Elektricheskiye stantsii, no- 5. 19651 93
TOPIC TAGS: electric engineering, electric engineering personnel
ABSTRACT: An engineer since 1929, A.-B. Chernin hp worked for years in developing
new techniques and equipment for relay protection~ef electric power systems. In
this 60th birthday tribute, he is credited with leading the group which produced
the directives on relay protection, contributing to the development of a method for
calculating transient processes in long distance 400-500 kv power transmission lines
and with aiding in planning of the electric portions of power stationsg substations
and power systems. The results of his engineering and scientific work have been
published 46 times, he is a doctor of technical sciences (since 1963), and has
taught for 30 years at the Moscow Power Instituto. Orig. art. has: 1 figure. CJFRjS
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sod oil. V. N.. Katterv and 11. P. vrflts. J. Rabeber
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ds"olvril: rifler, 1); F1011, 0. acelnne,~. Before stitins,
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69
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f:~J

KARTSEV, V.N.; SMIRROV, N.A.
of raising the physical and mechanical indices of
vulcanizates from SKT polysiloxane rubber. Kauch. i rez. 17 no.3:3-5
Mr '58. (MIRA 11:6)
l.Vsesoy'uzny7 nauchno-Issledovat,911BUy institut sinteticheskogo
knuchuka imeni akademika S.V. Iebedeva.
(Rubber, Synthetic)

sov/138-59-4-2/a5
AUTHORS: Eartsev, V.N. and Fomicheva, V-Ne.
3: Properties of Siloxane Rubber-Vulcanisates Containing
TizLh
Vinyl Groups (SKTV). (Svoystva sulkanizatov siloksanovykh
kauchukov, sodirzhaishchikh' vinLl. I n~~ gruppy (Slav)
PERIODICAL: Kauchuk i Rezina, 1959, Nr 49 pp, 3-7 (USSR)
ABSTRACT:Dimethyl silozane rubber and its vuleanisates are widely
used in industry since they possess high thermal stability.
In the Soviet Union siloxane rubbers containing vinyl
groups were first manufactured in 1956, The. present paper
describes experiments on the vulcanisation capacity of
rubbers containing 1 and 3 mol. 7o viiiyl-ethyl siloxane
chains in the dimethyl siloxane polymer chain (SKTV-1 and
SKTV-3). Thier properties are given in Table 1. This
type of rubber can be vulcanised with sulphur in the
presence of diphenyl guaytidine (DFG), pentaldehyde diamine,
cyclohexylethylamine salts of cyclohexyidithiocarbamic
acid (Valkatsit ?74)-, dimethyl diphen 1 thiuram disulphide
(Vulkatsit 1), triethylene, te~.-ramine TTETA), dnd some
aldehyde diamines and also with tetramethyl thiuram. .
disulphide (Tiuram). Vulcanisation proceeded at 160 C in
Card 1/3 the presence of all the above-m(-ntioned accelerators,

SOV/138-59-4-2/,T:i
properties of Siloxane Rubber Vulcanisates Containing Vinyl
Groups (SKTV)
Using TETA as an accelerator valcanisation
except TETA. 6
could be carried out in thirty minutes at 140 0 (Table 2)o
Mixtures of SKTV-3 could be vulcanised at a faster rate
than SIUV-1 mixtures. Changes in the physico-mechanical
properties of vulcanisates, depending on the period of
vulcanisation when using thiuram. and sulphur, are shown in
Figure 1. Terpts on the therm.gl stability of SKTV-3 and
SKTV-l at 175Q 1 2000, and 250 0 showed that the thermal
stability of SKTV-lj SnV-3 and SKT rubbers was unsatis-
factory (Figures 2 and ~). The SIUV-1 rubber8 maintained
their elasticity at 175 0 for 50 days, at 200 C for 30 to
40 days and at 250 0 for 4 days. Thick-walled 28 x 32 mm
cylinders made from standaid mixtures SKT and SKTV-1, and
containing powdered silica Sel, were also tested. In this
case benzoyl peroxide was used as a vulcanisation aScelerator.
Vulcanisation was carried out; for 15 minutes at 150 0. The
vulcanised cylinders were subjected to fuEther heat treat-
ment (in a thermostat) for 6 hours at 200 0. The SKT
vulcanisates had macro-pores I the SKTV-1 vulcanisate had
a micro-porous structure (Fieure 4). The vinyl groups in
the siloxane polymer facilitate the vulcanisation of thick-
Card 2/3 walled rubber articles. It vras also found that with ea

SOV/138-59-4-2/26
Properties of Siloxane -dubber Vulcanisates Containing Vinyl Groups
(SKTV)
increasing number of vinyl groups in the chain the frost
resistance of the polymer lncreases~(Table 3). The swelling
resistance of siloxane rubber ralcanisates, due to various
vulcaniLation agents, is given in Table 4. The amount of
residual deformation can be decreased by modifying the
vulcanisation group and by increasing the time of processing
in the thermosta-v (Table 5), Vinyl-containing -,iloxane
SKTV rubbers --i.re good insulating agents. The dielectric
0
characteristics of vulcanisates Sla'V-1 up to the time of
swelling, and after swelling for 14 days in water, are
given in Table 6. It is also pos~Able to preDare vulcan-
isate5 from SMV-1 by uaLng channel bliack in ihe presence
of sulphur and TETA. The strength of such vulcanisates, 2
after vulcanisation for 60 mi-autes .,t 150 0, equalled 53kg/cm,
and the relative elonSation equalled 827%. Their thermal
stability was unsatisfactory. ":he elastic properties of
vulcanisates here consiqerably poorer when the period of
ageing at 175 C and 150 0 was reduced by 5061~-
Thei,e are 4 figures, 6 tables and 11 references, 9 of which
are English and 2 Soviet.
4-
ASOSOCIATION: Vsesoyuznyy nauchno-issled,ovatellskiy insuitut sintetichp.-
skogo kauchuka im-S.V.Lebediava (The S.V.L--bedev All-Union
Card 313 bcienuific-research Institute for Synthetic Rubber)

-10
A031/AO29
AUTHORS Klebanskiy, A.L., Kartsev, V.N., Fomina.. L.P... Trenke, Y).'-.'.
TITLE The Eff eat of Admixtures Present in Chlcro prene -or-. *.h- St'%t-' --Y
of Nairite
PERIODICAL: Kauchuk i Rezina. 1960, No. 7j. PP. 1-3
TEXT: In the present article the authors have submitted datst
fmm a study of the effect of monovinylacetylene, divirylaoetyle,.~- ara air OXVZ~171
admixtures on the properties of,nairite. In addition to thiS, the effr-- '~ ~ .:,f I -
ron salts on the polymerization process conducted in an -=nrulFion 6L:ld on -th~- agi-rq
process were determined for salt concentrations of 0.02 - o.2%. Althoiah the ef.-
fect of admixtures such as those investigated in the initial chlorcprsai- manarner
were previously studied and,,found to have the most harmf,il effet on llh':~ proper-
ties of rubber, for polymers of chloroprene, however, obtained by Lhe pciv'TeriZ.~-
tion process in an enralsion, this aspect was not sufficiently ciari','ied. 1-1-1e
presence of 0.1 - 0.2% monovinylacetylene admixtures in chloropr~-ne waz
gated and found not to have any effect on the nairlte prcper4Aes in th--
Card 1/3

S/1 38/60/'MK1/7)7/"()1./!) i;?
A051/AO29
The Effect of Admixtures Present in Chloroprone on the Stability of Nairil-le
tration. Larger amounts were not considered since they aotually dc not in
the monomer' (Fig. 1). As much as 0.05 - 0.45 of divinylaaet.yiene In chlcr-opr-~rm
decreases the plasticity of nairite and also.decreases Its 6tability during th~r-
mal aging (Fig. 2 and 3). The latter effect is explained: 1) by thin
of the admixtures in the process of copolymerization with the formation of raml-
fied structures due to the multi -D-metional nature of these .^ompounrds, 2) by thi VI/
activation of the oxidizing process, since it is known that the divtnylacetlyier-,
admixtures activate the oxidizing processes of chloroprene with the --))PjgeTi fr~,T,
air. These data point to the necessity of purifying the monoviayla.~.etylenl~ admix-
tures. The stability of nairite is also lower when it is polymerized i-- an air.
medium, and It has a greater tendency to scorching, thar, when polymprize'd ir.. a nl-
trogen medium (Fig. 4). Nairite is oxidized and forms active peroxides. Th= a-
mount of saponifiable chlorine increases in proportion to the amo--ini, of Oxygen at
scrbed. The increased quantity of the saponifiable chlorine owases th~- polymerli
to undergo structuralization when being stored or processed and aLso ct~ujsz__s ";hs
premature vulcanization as a result of the interact-ion between th- me_tal oxld~-~
Carl ?,/3

S/ 138/6c!/OD)/007/0!-,, 1/10 1 C)
A051/AO29
The Eff eat of Admixtures Present In Chloroprene on the Stability :)f Nairit~,
during the processing. Finally, Figure 5 shows that the prasence of a 0,02 -
0.2% concentration of iron salts in chloropr-ene does not affo-,zt the p1'o'+1c-V'v
of nairite. There are 5 graphs.
ASSOCIATION: Vsesoyuznyy nauchno-issledovatel'skiy institut sintaticheakogo
kauchuka im. S.V. Lebedeva (Tht~ All-Union Scientifi3 R-Bsear-,~h lne'~`z
tute of Synthetic Rubber im. 111.V. Lebedev)
Card 3/3

S/138/60/000/008/003/015
A051/AO29
AUTHORS. Klebanskiy. A.L.; Fomina, L.P.; Kartsev, V.N.; Trenke, Yu.V.
TITLE: The.Effect of Various Types of Stabilizers on the Change in Nairite
Properties During Aging
PERIODICAL: Kauchuk i Rezina, 1960, No. 8, I)P. 9 - 13
TEXT: The authors studied the selection of more effective stabilizers of
Nairite (chloroprene rubber) than those commonly used, such as thiuram E (2.5%)
combined with neozone (an antioxidant, phenyl-beta-naphthylamine, 2%). Since the
oxidizing effect of air on the stability of Nairite is considered one of the main
factors during its storage and vulcanization for avoiding scorching especially at
elevated temperatures, the proper selection of stabilizers acquires great signifi-
cance. The effect of the above-mentioned coramonly-used stabilizers was described
in Refs. 2 and 3. These stabilizers, during longer storage periods at room tem-
perature, as well as during the long-lasting processing of the mixt1ires at high
temperatures (over 1200C), do not ensure a s-ifficient stabillzing E!ffect of the
Nairite: the plasticity of the standard rubber mixtures drops wher, these are heat,
ed for 1 hour.' This drop in plasticity is assumed to be connected with the scorth-
ing effect of Nairite. In choosing the proper stabilizers, the structural charac-
Card 1/5

S/138/60/000/008/003/0.15
A051/AO29
The Effect of Various Types of Stabilizers on the Change in Nairite Properties
During Aging
terlstic of Nairite are considered, ardthus the structuralizing feaTures of the
latter. It is deducted therefrom that in order to stabilize Nairite, a complex
of substances must be used which is capable of preventing the oxidizing processes
of the chloroprene, and bind the easily detachable hydrogen chloride. Two groups
6f compounds wete investigated as anti-oxidants-. phenyl- '~ -naphthylwine deriva-
tives (neoione D) and polyphenols. During the oxidation of "he rubber mole~:ule
an inactive polymer molecule is formed as well as a neozone D radiaal.. which 'Is no
longer capable of continuing the growth of t:11e chain due to the stability. it is
assumed that the anti-oxidizing effect of neozone could be Increa-sed by in-.rcducing
polar substitutes (CI, OH, etc) or substitutes containing conjugated systems of
do-able bonds (Ref - 3). However, it was found In investigal.tng other compounds;
such as diphenylthiazine (C6H4NHSC61H ) phenylnaphthylthiazine (C~HO'dSc Al
diphenylphenylenediamine (C6H C H H dinaph,~hvlphenylened amine tc H_NHC6
6 10
in the formation of radicals from
H4 NHC 10~), oxyneozone (Clo~%PH) t~a",
these co pounds less energy s spent, than from neozone D, and it. is further assum.
ed that these radicals formed would be more z_,-,able, and less given to a shift In
Card 2/5

S/138/60/000/008/003/015
A051/AO29
The Effect of Various Types of Stabilizers on the Change in Nairite Properties
During Aging
the chains. Based on these assumptions, it 'Ls stated that the listed compounds
would be better and more effective inhibitors of the oxidizing processes, than
neozone D. The application of neozone D derIvatives, with polar substitutes (O-xy-
-group, sulfide bonds) as stabilizers, or increasing the degree of linkage (di-
phenyl- and dinaphthylphenylenediamines), does not increase the stability of Nai-
rite. It does, however, Increase its tendency to scorching during thermal aging
(120 hours at 700C). From these observations it is concluded that the scorching
mechanism of the chloroprene polymers is not dependent on the oxidizing processes,
but is due rather to the radical decay of the molecules along the polysulfide
bonds forming polymer radicals, which in the presence of thiuram and other com-
pounds, recombine with their radicals. Further deliberation follows on the dis-
advantages of neozone as an oxidizing inhibitor. As to the polyphenols in the
role of stabilizers, it was found that in testing compounds containing phenol and
oxide groups (lignin, dimethylphenyl-n-cresc-1, paraditertiar~blityldioxyphenylene-
sulfide), these also had a negative effect on the stability of Nairite, increasing
the scorching tendencies (Fig. 3). The accelerating effect of -the phenols in this
connection is thought to be associated with the fact that in the presence of a
Card 3 /5

S/138/60/000/008/003/015
A051/AO29
The Effect of Various Types of Stabilizers on the Change In Nairite Prope--ties
During Aging
base they react with the mobile tertiary chlorine atom in the polymer and cause a
suturing together of the polymer molecule. Compounds containing one phenol group
were also investigated, such aso(j- and(3-naphthol and ditertiarybutylphenol. Their
stabilizing effect was determined from the change in solubility in thermal masti-
cation. It was found that these morrophenols, as well as the polyphenols, had a
negative effect on the stability of Nairite. The dithiocarbamates of various met-
als, such as dibutyl- and diethyldithlocarbaMiLte of nickel, magnesium, bismuth
and lead, were also checked for stabilizing effects. It was established that with
the introduction of 1 - 2% of nickel dibuthyld,ithlocarbamate, in addition to neo-
zone D and replacing it, the stability to thermal aging of the rubber and the
vulcanizates was increased and the scorching of the rubber mixtures was pre!ented.
However, the latter do not increase the stability of Nairite. Nickel djbutyldithio-
carbamate was found to increase the stability of Nairite to ozone, using a 1 - 2%
quantity of the stabilizer, by comparison to mass-produced Natrite. From 'the lat-
ter it is concluded that nickel diethy1dithio:arbamatesdo riot liave a zzilmilar
stabilizing effect on the Nairite. There are 5 figjref~, 1 ',able, 3 references;
Card 4/5

S/1~8/60/000/008/003/015
A051/AO29
The Effect of Various Types of Stabilizers on the Change in Nairite Properties
During Aging
2 Soviet, I English.
ASSOCIATION:-Vsesoyuznyy Nauchno-issledovatel'
skiy institut sinteticheskogo
kauchuka im.-S.V. Lebedeva (Sien-
tific Research Institute of Syn- 4-3
thetic Rubber i1neni S.V. Lebedev)
4-)
M 'R
Cd 'Z:
Figure 3: The Effect of Polyphenols on the -4 %
CL4 :3
Stability of Nairite:
44
0 ti
Q,
1 - Control; 2 - 2% dimethyl- C6
r 0
phenyl-n-cresol; 3 - 2,% para-
ditertiar-jbutyldioxyphehylene-
sulfide; 4 2% lignin.
Card 5/5 Duration of Heating at 1200C, min
0 is 30 45 60
j7poao1?mjjmeAbjtvcms opoepe8a npu 120;

S/138/60/000/009/002/012
rh IK A051/AO2_9
AUTHORS: Poddubnyy. .1.a.; Kartsev, V.N.; Averlyanov, S.B.; Trenke, Yu.V.;
.Aver'yanova, L.A.; )(evdokimov7T7F.7 le
TITE,R; Tlio Vulannizat'loiXt POILLIJ~ItittlL In (,q
Pilibb"l, NUIL, 11-1 dlatioll
PERIODICAL: Kauchuk i Rezina; 1960, No. 9, PP. 5 - 15
TEXT: Vulcanizates produced by the fonizing radiation method were found ro
have improved properties, since the formation of trans,,rerse bonds at. relatively
low temperatures c-in be accomplished without the use of ch-nical v-.ulcariiz1rLg aga_Yz
(Ref. 1 - 6). The wiloanizatlon process of pol3rdimethylsi.loxanes Is acoompltshed
according to the free-radical mechanism (Refs. 1.,4,7,8,2,5,6,10, 11 - I-10. Thp
results are cited of experimental work conducted 1n order to increase the tempera-
ture-stability of polymethylsiloxane CKT(SKT)-based vulcanizates and to improve
their physico-mechanizal properties by using The radia-7~.Ion metbod of vulcanization
combined with a change in the preparation of the rubber mixture and by introducing
new components into the rubber composition. Co 60 with an aclulvity of 1,49og -equ.
of radium was used as the source of the gamma-ermision. The dose was 0.28 - 0.72
Mr/4. 'It is pointed out that the characteristic feature of radiation vulcaniza-
Card 1/ 3

85655
S/138/60/000/009/002/012
A051/AO29
The Vulcanization of Polydimethylsiloxane Rubbev Using -Radiation
tion appears to be the absorption energy by the,filler, the possibility of further
redistribution of the energy by the polymer and the fil er and the formationof
a chemical bond between them. Rubbers with satisfactory tensile and elastic pro-
perties could be obtained by the radiation vulcanization of SWP in combination
with the Introduction of varlous additives into the rubber mix containing V-333
(U-333) powdered silica gel after a lengthy period of thermal aging at, 300 C~
These rubbers were found to exceed vuleanizates 4nd those obta-Ined earlier by the
radiation method in their thermal resistance, By further refining the rubber
mixture increases in the thermal reslAance cou,'d be achieved. Radiation vulcani-
zates of polymethjlsiloxane rubber filled with "urnace ?carbon black could be pro-
duced with relatively high physiw-mechanical propertlej and an elevated thermal
resistance. The vulcaniza*es were current -conducting. Radiation vulcanizates of
polymethylsiloxane rubber fille-A with powdered e-ildca gel and flurnace earbon
blacks are much superior to the peroxide vulcanizates in their temperature stabill-
ty. At a temperature of 2000C radiattion vulcan:Lzates of SKT rubber viere obtained
with considei~ably high physico-mechanical properties. The tensile propertles of
radiation vuloanizates filled with U-333 Powdered silica fgel could be considerab-
ly increased by Introducing iron oxides or zIrconJum oxides irt~o the rubber ml.x~
Card 2/3

I &A~ 10
15'.9202,
AUTHORS:
TITLE:
26988 S/138/61/000/005/001/006
A051/A129
Klebanskiy, A. L., Tsukerman, N. YeL., Kartsev, V. N., Labutin, A. L.,
N. A.~, Karelina, G. G.,
Trenke, Yu. V.,.Mallshina, L. P., Boro ova,
Rozhkov, Yu. P.
A new type of chloroprene rubber: liquid nairite
(This work was awarded the second prize at the VKhO im. D. I. Mendele-
yev competitions in 1959)
PERIODICAL: Kauchuk i rezina, no. 5, 1961, 1 5
TEU: The high chemical stability, the getsoline-petroleum stability and
ozone-resistance of chloroprene rubber makes it a suitable material for anti-corro-
sion coating and hermetic sealing, However, thet difficulty of producing highly-
concentrated solutions based on commercial nairite limited the application of the
latter in anti-corrosion technique. It has been assumed that the use of low-mole-
cular polymers for this purpose would.enable one to obtain low-viscose, highly-con-
centrated solutions satisfying the anti-corrosion technilques. One of the methods
for producing low-molecular polymers is the use of the polymerization of increased
concentrations of regulator-compounds able to break the chains and to form new ac-
Card !/6

26988 S/138/61/000/005/001/006
A new type of chloroprene rubber: liquid nairite A051/A129
tive centers. Sulfurous compounds, such as mereaptane, thioacids, xanthogenesulfi-
des, are widely used as regulators. When studying the action of n-tetradecylmer-
captane, diisopropylxanthogenedisulfide and bisethylxanthogenedisulfide during the
process of polymerization of chloroprene, it was established that with an increase
in the concentration of the regulator the molecular weight of the polymer drops
correspondingly and the plasticity of the rubber increases. It was assumed that tie
use of greater quantities of bisethylxanthogenedisulfide in the polymerization of
chloroprene in emulsion decreases the molecular weight of the polymer and yields
low-viscosity, solutions of rubber. An attempt was made to produce low-molecular
polychloroprene by polymerization of ohloroprene in the presence of sulfur with
subsequent destruction of 4.-he polymer. It waa shown that the action of sulfur dif -
fers from that of otherregulators. The effect of sulfur on the polymers of chloro-
prene is shown by the scheme: -(CH2-CCl~CH-CH2)n-Sx-(CH2-CC1=CH-CH2)m-Sx, where
x=2-6. The sulfur forms linear bonds in.the polymer chain. With 'an,increase in
the bound sulfur content in the polymer the molecular weight of the polymer decrea-
ses in the subsequent interaction with thiuram from 600,000 to 280,000 with 0.3% of
bound sulfur and from 300,000 to 43,000 with 1% of bound sultur. The quantity of
reacted thiuram increases respectively. The destruction scheme is given as follows:
1) The formation of free radicals under the effect of the thermal action or thiuram:
Card 2,46

26988 S/138/61/000/005/001/006
A new type of chloroprene rubber: liquid nairite A051/A129
-(L'H2-CC1=CH-CH2)n-S-S-S-S-(CH2-CCI-CH-CH2)m-S-S-S-S- ___~'_(C1'2-CCl-CH-CH2)n-S;
2)-Recombination of the polymer radical with molecular thiuram and splitting 7
off of the latter along the -S-S-bond:
2~-C-S-S-C-N (C 2H5) 2
-(CH2-CC1=CH-CH2)n-S' + (C2H5) 11 11
S S
-7-(CH2-CCl-CH-CH2)n-S-S-C-N(C2~15)2 + (C2H5)2~_C_S_
S
Based on the outlined assumptions of the mechanism of the sulfur action during the
process of chloroprene polymerization and destruction of the polymer under the ef-
fect of the chemical masticating substances, the conditions for producing low-mole-
cular chloroprene rubber-"liquid" nairite were developed. The liquid types of nai-
rite can be obtained on a.typical apparatus. The sulfur can be introduced in the
form of solutions in mineral oils as well as aqueous dispersions obtained in the
presence of emulsifiers and protective colloids. It was shown by V. N. Kartsev,
M. A. Gutman, G. G. Karelina, F. Ye. Berman, Ye. G..Malinovskaya, M. B. Shur at
VNIISK, no. 2389, 1951, that for mastication the most effective system is mercapto-
Card 3/6

26988 S/138/61/000/005/001/006
A new type of chloroprene rubber: liquid nairite A05I/A129
benzothiazol (captax)-diphenylguanidine (DPW). To increase the activity of these
agents, tetramethylthiuramdisulfide was acIded..(thJuram. D) or te-I.-raethylthiuramdi-
sulfide (thiuram E). Literature data indicate.,that active masticating agents of
polychloroprene are the piperidine salt of hexauiethylenedithiocarbamine acid or
ammonium hexamethylenedithiocarbamate. The order of introduction of the agents
plays an important role. The effect of the type! and composition of the carbon
black on the solubility of.the rubber mixtures from I'liquid" nairite was investi-
gated. Only the thermal carbon black helps to retain complete solubility. Higher
indices of relative elongation when filling with 100 w.p. and over are! achieved
with thermal carbon black. The composition and technology for preparing the rub-
ber mixtures based on the "liquid" nairite with thermal carbon black as filler
yielded highly-concentrated solutions (70 - 75%).. These solutions are suitable
for sealing various equipment by the same methc4s which are used in the case of
dye and varnish coatings. Tests of coatings made of liquid nairite ill experimental
and natural samples in various industrial fields showed the expediency of using
this product as a material for protecting the metal from corrosion, e-rosion, cavi-
tation and also as a material for hermetic seallng. There are 4 tabIas and 21 ref-
erences: 2 Soviet-bloc, 19 non-Soviet--bloc. The references to the 4,Most recent
Card 4/6

26988
A new type of chloroprene rubber: liquid nairite
S/138/61/000/005/001/006
A051/A129
English-language publications read as follows: Corros. Technol., 5, no. 4, 107
(1958); R. B. Seymour a. oth., Plastics for Coivosioh Resistant Application, N.Y.,
1955,90; Rubb. a. Plast. Age, 39, no. 8, 684 '[1958); Corros. Technol.', 3, no. 3,
89 (1956).
ASSOCIATION: Vsesoyuznyy nauchno-issledovatel'slaidy institut sinteticheskogo kauchu-
ka im. S. V. Lebedeva (AIL-Union Scientific Research Institute of Syn--
thetic Rubber.im. S. V. Lebedev)
Card 5/6

27544
11/1-
i8/61/0O0/OO6/OOP_/OO6
A051/A129
AUTHORS: Labutin, A. L., Klebanskiy, A. L., Tsukerman, N. Ya Kartsev, V. N.,
Trenke, Yu. V., Mallshina, L. P., N)rovikova, N.
Rozhkov, Yu. P.
TITLE: "Liquid naikite" - a new material for rubberizing
PERIODICAL: Kauchuk i rezina, no. 6, 1961, 5
TEXT: The authors state that in the chemical destruction of "liquid" nai-
rite, highly concentrated solutions can be produced which are applicable as a ma-
terial for rubberizing. In the USSR a safer biwitly solvent, consisting of 2 weight
parts of ethylacetate anq. 1 w.p.. of 'gasoline is used in nairite adhei3ives. Experi-
ments showed,,however, that this solvent in "liquid" nairite is not suitable for
many technical reasons. Better re.sults were.obtained in using a ternary solvent
consisting of 76% solvent, 19% turpentine and 5% n-butanol. The latter component
does not dissolve the nairite, but facilitates the use of the brush for painting
and good coating distribution. It was noted that film vulcanization from liquid
nairite at 200C does not show positive results. Thus various forms of thermal vul-
canization were investigated; vulcanization with heated air, live vapor, hot water
Card 116 Y

27544
S/138/61/=)/006/OOZ/006
"Liquid nairite" - a new material for rubberizir% A051/A129
and infra-red irradiation. It was established that the most suitable method was
vulcanization by hot air.. The physico-mechanical indices of nairite coatings vul-
canized in air at various temperatures are given in Fig. 1. Fig. 2 shows the re-
lationship between the temperature and duration of the vulcanization. The most
suitable temperatures of vulcanization in air are within the range of 100 - 14Lft.
It was noted that the liquid nairite coatings did not possess the proper adhesion
to metal. Thus certain other adhesives or coatt3gs ensuring better adhesion be-
tween metal and coating were sought. The best results were obtained with the fol-
lowing three materials: standard leuconate (organic base: n, n', n" - triisocyanate-
triphenylmethane), chloronairite adhesive (organlic base: chloronairite and nairite)
and a primer,tentatively called epoxide primer (organic base-. epoxide resin, chlo-,
ronairite and nairite). The chemical stability and anti-corrosion properties of
the vulcanized nairite coatings were studied. Mie conclusion was drawn that 1.2-mm
nairite coatings in combination with a-.water-resistant coating applied three times
can reliably protect metals from corrosion due to aqueous solutions of many acids,
alkali and salts. The coatings were not resistant to the action of oxidizing a-
gents, aromatic and halided solvents. Rubber coatings differ from varnish and
plastic coatings by an increased resistance to alarasive wear. An attempt was made
Card 2/6

27544
S/138/61/000/006/002/006
IlLiquid nairite" - a new material for rubberizing A051/A129
to determine the resistance of nairite coatings under conditions of dry friction
using the Grosselli-type machine. It is concluded that coatings of so-called
crystallizing liquid nairite obtained in lcw-tem~perature polymerization are supe-
rior to other rubbers in their wear-resibtance, exaepting vulcollane, which has a
unique resistance to abrasive wear. It was established that coatings of liquid oil
nairi:te are superior to coatings of baRelite, polyethylene and caprone, when tested
in rapidly flowing sea water. Tests have further shown that liquid nairite as a
material for coatings will become widely used in industry in the next few years.
At present tests are being conducted in the North Sea and the Atlantic Ocean on
propellers of fishing trawlers coated with liquid nairite for protection from cor-
rosion, erosion and cavitation, Mechanical plants are testing steel covers of re-
frigerators and condensators coated with nairite. These were previously manufac-
tured from non-f errous metals. Certain chemical plants have installed diaphragm
valves, the interior of which is covered with liquid nairit-e to prevent corrosion
from acid solutions, alkali and salts. The possi 'bility of using nairite coatings
in various instruments as a means for preventing spark formation in percussion
has also been revealed. Finally, it was established that these coatings can be
used in certain constructions for hermetic sealing. At the Moscow TETs NO 12 a
vacuum-condensator of a mass-produced 50 thousand kw steam turbine withstood a
Card 3/6

27544
S/138/61/000/006/002/606
"Liquid nairitell - a new material for rubberizing A 051/A129
testing period of one and a half years with the 'brass pipes and steel pipe boards
coated with liquid nairite. K. S. Shmurey, 0. P. Abolina, A. I. Konstantinava and
G. A. Selivanovskaya. took par' . in the work. There are 2 tables and 2 sets of
graphs.
ASSOCIATION: Vsesoyuznyy nauchno-issledovatellsk:Ly institut sintetichesk:)go kau-',-
chuka im. S. V. Lebedeva (All-Union Scientific Research Institute of
Synthetic Rubber im. S. V. Lebedev)
Fig. 2. Dependence of.the vulcanization
duration of the coatings made of liquid
nairite on the temperature
Card 4/6
160-
C; C
0 ~ 120-
t3 5.5-6 days
A- 4s-ecynolt
80 - - -----------
4-1
40 -
E OL _L -I- _L
4) to go J0
43
diaration of - , canization,
- - - hrs

3162.0 /0C,0/o-L-,/000,/()()B
'13B/61
tent Of
otj
relina I C,.G.
al'Ji , ate s
sloyane rxbber
MOO,, ,,Operties Of 11 atiot, of
O"'P5 ,961 irvvestii; lips es
01 1-1 SaMPI
0. roln in it (saV,
Iitte t of -4 Till:. die
subT conten Ova), - sing, " are 0~ld SVT
resX11 t5 are a IOVI ~GKT " P 11 qae
Inental rs vj~th Uipme" f o lowini;
01-pe rubber ecL t5-
19) catal-15
BY-Peri ,_,rLe P tn-j1_51-10 jjC'K the
InIlsil 0 dime a, -Bo. le 110. a corclins SVT
TEZ. of d t t It ~Saml? ller5f
les compare e-.K'Pe'C01Men of ).,q V,~bl 50
s M as 11 aline
a aly torl r0
~Sv g~)11 e& On a bOra parts 50 5
ro&ar o,26) ancl d on la WeMP
We 2P ,lee 100 5
re it C to
ples 110. Vieve pro parts 4.2
joa5ea, jje ... %qeg)at
composition 1 -333 (13 -333) - e-rO
gell - - - benZO'J1 1. PI)
silica idLe Paste (95 ti 0 Of
0% rOjA tyke Ta
inc ,ae
pe in
.01rboll ,,,ne 01
silo
ce.ra -03
31620
S/138/61/000/012/002/008
Properties of slioxane rubber vulcanizates with ... A051/A126
it was found that vulcanizates based on a SKTV rubber mix containing silica gel
U-333 and a lowered quantity of benzoyl peroxide (0.6 w.p.) are characterized
by a reduced residual deformation and a higher thermal stability than vulcani-
zates of the standard.SKT rubber mixes. The thermal stability of the SKTV-bas3d
mixes may be increased by replacing the zinc oxide withAron oxide or titanium
dioxide. The SKTV and SKT vulcanizates do not differ In their tendency to de-
struction when heated in a closed system, at 2000C. They also have similar di-
electric properties. The vulcanizates of the SKTV siloxane rubber, produced in
the presence of the "acedic" and "alkaline" catalysts, were found to be the
same in their main physico-mechanical characteristics. The SKTV vulcanizates,
produced with dicumyl peroxide or ditertiary butyl peroxide, as compared to
vulcanizates containing benzoyl peroxide, were fcund to have a lower residual
deformation and a much lesser tendency to destruction when heated withu,-t air.
It was further found that mixes containing channel black, do net vulcanize,
even in the presence of increased amounts of dicumyl peroxide or ditertiary
butyl. In the case of furnace carbon black, vulcanizates were obtained with
satisfactory properties. The SKrV vulcanizates containing the furnace carbon
black and the ditertiary butyl peroxide are equivalent to vulcanizates based on
the same rubber, containing the U-333 silica gel, but the former do have in-
Card 2/3

KASHAISKIYP E.G.; KARTSEV, V.P.
Equivalent elrouit of a coil with a solid stoel core. ;bor.
rab. po vop. elektromekh. no.IW17-22.6 16:. (1100 17:8)

KASHAPUSMY, E.G., kand. tekhn. nauk; KARTM, V.P., inzh.
Axial magnetization of turbogenerator rotors. Vest. elektroprom
34 no.6:8-12 Je 163. (MERA 16:7)
(Turbogenerators)

KASHARSKIY., E.G., kand.tekhn.nauk; KAR'IljlV, V.P., inzh.
Concerning the magnetization of steam. turbines. Izv.vys.
uclieb.zav.; energ. 7 no. 4:35-42 Ap 164- (MIRA 17:5)

KAZOVSKIY, Ye.Ya., doktor tekhn. nauk; KARTSEV, V.P., inzh.
Prospects of the Uve,of-.6uperconduc in electrical
engineering. Elektrotekhnika 35 nol-:-126 Ja 164.
(MIRA 17:2)

M C
L, 007 30-66 EMT( 'W I- VW )A11*)/Z#W lip(c
ACCESSION:NR: AP5020218 Uft/0170/65/009/00i/0098/0101
~j V
AUTHOR: ]~~azoyqkiy, e. Ya~- Kartsev., V. P.,
of c ductors in superconducting apparatus
TITLE. The problem on.
SOURCE: Inzhenerno-fizicheskiy zhurnal, ir. 9, no. 1, 1965, 96-101
TOPIC TAGS: superconducting alloy; magretic field, cryogenic devic.
t e, helium,,
vaporization:,
'A I V,
ABSTRACT- Su erconductors capable of retaining their supercor
__p iducting proper-j
tiesin very strong, magnetic fields have recently been discovered. The advantage,
-in electrotechnical itistallatiDns will be
of using superconductorwas windings
greater, with respect to*effict
ency as we'll as dimensions, the less refrigerant:
re & n
for the cooling agent (helium) is, requi d for normal opera' ion of the installatio
The article presents: a mathematical method for calculating the influx of heat. F
through electrical leads ~, into ~ a- cryastat containing liquid helium. Theheatbalalnc6
equation is first set up, Then, the law governing the distribution of temperature
along the length of the conductor is determineid. Finally, the article presents
Card 1/2
Card Vl..~

r
r --- UP( S
AT
ACC NRt AP6013615 SOURCE CODE: UR/0105/65/000/011/0022/0~251_
AUTHOR: Kartsev V. P'-Noscaw); SaR2zhnikova, A. N. (Moscaw);.Sychev, V. V- (Moscow!
ORG: none Pill,
00
TITIE: Optimization of superconducting magne-bic systems of MHD generators
SOURCE: Blektrichestvo no 110 19650 22-25
TOPIC TAGS: MHD g6neratorp'-electronic computer, digital computer, superconductivity'
ABSTRACT: Superconduetin for MHD gene
g magnetic s rators
(with or without-ferromagnetic cores) should offer significant
advantages as compared with the usual systems because 1) they a:rc',
much smaller in weight -and size; 2).they use much less electric
power for self-e6hsumptlon; 3). the size of the entire M genera-
tor may be reduced by increasing the flold strength within the
generator channel; and 4) there is an automatic. damping of the
ourrent reaction,within the generator plasma and the generator
emf Is Independent of the load, due to the properties of the
superoonduotive.olroxxit which maintains the current constant.
The design of superconductive magnetic systems has distinctive
peculiarities (the existence of a critical current beyond whiah
the conduetor~ sto a being superconductive; the.stiperconduotor
P
-Card 1/2 UDC: 621-3.045.2:527.312.62

~141 IM IF Z. 11~ro
_L 2242o-66
ACC NRt AP6013615
-critical current varlbs In a sharply nonlinear manner with the
magnetic field strength; very high cost of superconductor material),!
Consequently, the author Investigates 'the methods for the deter-
mination of rational geometric dimensions of a superconducting.
magnetic system without a permanent core. Following the formu-
lation of the pertinent theoretical relationships the actual
optimization calculation was carried out on the electronic digital
-66m~uter ItUral-111. Orig. .. art -has: 5 figures and 8 formulas. [JPRS1
SUB CODE: 09p 20 SUEM DATE., 20May65 ORIG REF: 003 0-111 REF: 002

ACC NRt AP6002685 SOURCE Col ukWqiA6[d0d
AUTHOR: Kartsev, V. Pe (Engineer)
4P
ORG: none
TITLE: Current control ina shorted superconductive circuit
SOURCE: Elektrotekhnika, n0.-1,:1966, 58-59
TOPIC TAGS: superconductivity, superconducting circuit, power supply, magnetic
circuit
ABSTRACT: The Moscow Powe .rEneinebring Institut~ and the Institute of Physical
Problems of the Academy of Sciences �SSL have det;eloped a t-w-elve-terminal static
univolar R nerator with, a superconductive screen. It can operate at industrial
frequencies and ensures a rapid increase of the toagnetic field in the load. The gen-
erator is separated from the load solenoid by a nuperconductive disk which shields
the contacts of the operating screen containing Ithe solenoid outputs from the solenoid
field. The operating screen, mounted between the stator and the "rotor" is a cylin-
drically shapednickel foil. The generator can lboth excite the current in the closed
superconductive circuit at various speeds and-pump out the field from the solenoid.
Tests showed that it was possible to achieve a field intensity of 17.5 koe at a
Card
1mr! 537.312.62

L.174~766_
ACC NR, AP6002685
Fig. 1. External view of generator and.-load soleni6id
feed current frequency of 50 cps in 2 hr. Solenoid Inductance was 0.3 h. An exter-
nal view of the generator is shown in Fig.-L Orig. art. has: 4 figures. (DWI
SUB CODE: 09/ SUBH DATE: none/ ORIG REF: 0011. OTH REF: 003/ ATD PRESS: ~4707

ACC..NR. AP6031715
AUTHOR: Kartsev, V. P.
ORG: none
:TITLE:
I
ISOURCI
i
i TOPIC
ldc genei
I
:ABSTW
'Admirai
:1 (Phys. I
I
:Essenti;
me chani
~inversic
apparab
,machine
linternal
lincreas(
i-card - 1 j
'sotfkct cobt uiC[6'144/6-6'16-o-o/oO6/059510*605
Is Yegorov, I. M.
Static multipole acyclic generator with a superconducting shield

ACC NRa AP60317 IS
ishield 4 supports core Z. Superconducting diamagnetic shield 5 placed in the gap has
I
a cylindrical shape. Other parts: 6 - insulating bushing, 7 - stator winding.
18 - superconducting coils producing the acyclic field. Superconducting cylinder 5
iconsists of a 100-In thick Ni backing and a 5-j" thick Pb coating. A method of
!electromagnetic design of the acyclic generator in set forth; techniques for
,calculating leakage reactances are recommended. Estimated rate of field rise was
1. 45 oe/6ec. "In conclusion, the authors wish to thank Corresponding Member
IAN SSSR G. N. Petrov and a4so W V. Sychev. V. 13. Zenkevich, and Yu. G.
I
;Kovalevskiy for their comprehensive assistance. 11 Orig. art. has: 7 figures and
!10 formulas.
i I
!SUB CODE: 09, 2.0 SUBM DATE: 01Nov65 OJUG REF: 003 OTH REF: 004
!Card -2/2

ACC NR. - AT'(005787 1. SO-URCE"C'OD!-,: ' -UR/Oo'oo-/65/ooo/ooo/.ol6t'j/Ol78
AUTHOR: Kartsev, V. P. (Engineer)
ORG: no7ie
TITLE.: Excitation of current in short-circuited superconductinp
circuits with the help of a superconducting transformer
SOURCE: 11-loscow. Enerf, U
.,eticheskiy institut. Ilauchno-teknichpskaya
':konferentsiya po itogaza nauchno-issiedovatellskikh rabot za 1964-1965
~gody; sektsiya elektronekhanichesk--ya, podsektsiya elektricheskikh
Imashin. Doklady. moscow, 1965, 1606-178
i
iTOPIC TAGS: su-oerconductivity, transformer, electric transforner
ABSTRACT: Supe.rcon duct ing transformers designed to feed currents to
Icryostats without adding significant amounts of heat to the cryostats
are described. Two types of superconducting transformers are discussed:
Isinale-action and cyclic. Conversion of cyclic to single-action trans-
formers entails short-circuiting one of the cyclic transformier windings.
The setup used to study superconducting transformers consisted o--:' a
cryostat in '.which the superconducting transformer and the load
;were DlaCed, a power supply bench, and a mcazuring bench. Th,e rrans-
zrormer consisted of a toroidal steel core (cross-section, 1.8 x 3.8 cm;
Card_ 1 /2 UDC: none

ACC NR: AT7005787
inside diameter, 1.8 cq) on which two sunerconducting windings -'rere
wound: the primary ( 850 turns and the s e c on d a r y ( 10 t. u rn s)
.The load inductor consisted of a superconducting solenoid wound fron.
.a sixteen-strand cable. The su-oerconducting transformers were found
,to be convenient devices for feeding powerful superconducting circuits.
The secondary transforner current strongly depended on the load
inductance. The lea%ape and basic currents o~~
SUDerconducting trans-
formers were dam-oed with the sai.-ie time constant. The maximum trans-
formation ratio obtained with a single-action transformer was 11.7; the
transformation ratio of a cyclic transformer was ten times greater than
~that for a single-action superconducting transformer. Orig. art. has:
7 figures, and 12 formulas. [IV]
'SUB CODE: 09, 20/ PUBM DATE: none/ ORIG REF: 005/ OTH REF: 002
Card

KAF Vladimir Petrovich; FAYNBOIN, I.B., red.
I iTSFV I
......
[Superconductors in physics and engineering] 3verkh-
provodniki v fizike i tekhnike. Mosk-%,a:, lzd-vo ",-'nanie,"
1965. 47 p. (Novoe v zhizni, nauke, tekhnike. IX Seriia:
Fizika, Matematika, Astronomiiag no.8) (MIlk 18: 5)

KARTSEV, V.Ya., inzh.; MAIMKIN, I.A., inzh.; SMOLIN, V.I., in2h.
MKS-1 automatic guard for the preivention of the flying out of boards.
Der. prom. 8 no.10:26 0 '59. (14IRA 12:12)
1.Gosudarstvennyy institut po proyektirovani7u. novykh manhin dlya
losozagotovok i splava.
(Circular save)

KARTSEV, Ya.p.
For correct selection and placement; of cadres. Zhel.dor.transp.
39 no.9:41-45 S 157. (MIRA 10:10)
t
1. Zamestitell nachaltnika Glavnogo upravleniya kadroy M6isterstya
putey soobahcheniya.
(Railroads-Imployees)

KARTSP;V, Ya.P,
Wages and BtimLlatl on of labor productivity of railwaymen. Zhel.dor.
tramp. 41+ no.12:14,-19 D 162o (MIRA 15:12)
1. -Zamestitell nachalinika Upravleniya truda., zarabotnoy pl4y
i tekhni i bezopasnosti.
(Wages--Railroads)

KARTSEV YA P.
Technological pro"s and labor organization of railroad employ-
eta. Zhel.dor.transpe- 45 no.10:13-19 0 163. (MIRA 16:11)
1- Zameotitell W. hallnika Upravleniya truda, zarabotnoy platy i
tekhniki beiopai*'vti.

x k IRnT I - EZERIN, Aimolld Emetovich; BDDMKOVA,
. ., r .; HCHEDPJNA, I.L.p tekhn., red.
[Working time and the rest per,'Lod o-i"railroad transporta-
tion workers] Rabochee vremia I vremia otdykha rabotn:Lkoy
sheleznodoroshnogo transporta. Moskva, Gosiurisdat, :1963.
99 P. (MIRA 16-0)
(Railroads--Employceo)

KARTSEV,_-)~e.B,,. inzh.; VOYNOV, Ye.S., inih,; BRAYNIN, V.N., tekhnik
Mechanized departments of welding and flame machining of metals.
(Trudy]IAMZ noell:83-98 164. (MIRA 17:12)

-- M99 1-1 .11
- -- -- - - - --
KARTSEV, Te.S.;*KHILAY, A.M.
Automatization of the control of the reversing mechsnism for
heating coke ovens. Koko i khist. no.10:35-36 160. (MIRA 13slO)
1. Bag+.yski3rkoksokhimichesI:iy zavod.
(DneprodzerzhJ.nek--Coke ovens)

C_ K&RTSEV , Ye. S.
Automatic control of rolling COnveyoro for coke bins. ZDks i khim.
no.l2t28-30 160. (MIRA 13:12)
1. eys 7 imic 0 .7 zavod.
Dneprodzherzhinek-Goke industry-Equipment and supplies)

KUVCB=O, 1. 1.;, EV ~Ye.V~.
Using the method of the Ufa rotroleum Research Institute for
industrial experiments on the exclusion of 'bottom waters in
Bashkir fields. Heft. khoz. 38 no.10-.20-25 0 160.
(MIRA 13-9)
(Bashkiria--Oil field brines)

ACCESSION NR: AT3012803 S/2964/63/000/000/'0110/0113
AUTHOR: Xartsev, Yu. A.
TITLE: Magnetic properties of a rela-hivistic electron gas at zero
temperature
SOURCE: Primeneniye metodov kvantovo3r teorii polya k zadacham
mnogikh tel. Moscow, 1963, 110-113
TOPIC TAGS: relativistic electron gas, relativistic ideal electron
gas, zero temperature, Green's function method, chemical potential,
ground state energy, diamagnetic susceptibility, paramagnetic GUS-
ceptibility
ABSTRACT: The Green's function method is used to analyze the be-
havior of a relativistic ideal electron gas at zero temperature in
a homogeneous magnetic field. Corrections are obtained for the
chemical potential, ground-state.6nerg,
and also expressions for
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ACCESSION NR: AT3012803
the diamagnetic,and paramagnetic susceptibilities of the system.
rrections agree with the resu'ts of A. Rukadze and V. Silin
These co
(Zh. eksperim. i teor. fiz. v. 38, No., 2, 1960). Just as in the
nonrelativistic. case, the relation between the susceptibilities is
tj X -(113)X Orig. art. has: 6 formulas.
dia para
ASSOCIATION: None

38722
5/191/62/000/007/009/011
B124/B144
AUTHORS: Belakovskiy, Ya. I., Buzkovp V. A., Kartsev, Yu. M.
TITLE: Applicability of polyamides to bearings for small propeller
shafts
PERIODICAL: Plasticheskiye massy, no. -7, 1962, 62-64
TEXT: Bushes for propeller shafts of sh4ps were made of caprone, and of'
caprone with 10cto silvery graphite, dipped into boiling water before
casting in order to remove low-molecular compounds and then dried to a
moisture content of 0 15-O.UFj4. The temperature of the melt in the
casting cylinder was ~30-240 OC and the corresponding*pressure 40-50,kg/cM2.
The molds were heated to 80-1000C, and the bushes cooled slowly to 30-400C
after casting. The low-molecular compounds (3-9',:'V) were then removed by
immersion in boiling water for 10 min per mm of wall thickness. The
molecular wei6ht of the finished polyamide was 28,000. The polyamide
bushes were compressed in metal bushes, dipped in water for 10 days) and
turned on a lathe to the dimensions required. River and sea water is
suited for lubricating polyamide bushes, as was experimentally ascertained
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0
S/1 gy'2/000/007/009,/Oll
Applicability of polyamides ... B124 B144
on the basis of high hydrodynamic pressures (tip to 50 kg/cm2) in the
lubricant layerg expaniing over a large area in the transverse and
longitudinal sections of the bearing. Those bearings which have two
bulges give the least friction, followed by bearings with three grooves
and smooth bearings, finally by bearings with 10 facets, 10 strips, and
bearings of rubber and metal. Bearings with two bulges are recommended
for navigation in clean water, bearings with three grooves for waters
contaminated by abrasive particles. In rivers the resistance of caprone
bushes to wear is 1.2-1.5 times, greater than that of bronze, babbitt
metall and textolite bushes, in the sea 3 times greater. Their life is
3 or 4 times as long. The mechanical properties of caprone are not
deteriorated by 1 month of storage at -15,OC. There are-3 figures and
1 table.
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BELAKMKIY, Ya.I.; BUZKOV, V.A.; FAMEV, Yu.M.
Use of polyamides in sma3a propeller shaft bearings, Plast,
massy no.7t62-61+ 162. (MIRA 15:7)
(Polyamd.400)
(Bearings (Machinery))

GORBUSHIN, P.B.; GUREVICH, H.S.; NEBOLISIN, I.S.; BUKSHTETN, D.I.;
VAYIITSVATG, A.S.; LAZAREVICH, S.K.;-KARTSEV, Yu.V.; KONTOROVICH,
I.A.; ULYBOU, A.S.; TSIMBALYWI, 0.-,-'kM=GVA, A.A., red.
izd-va; FAUMOVA, G.D., tekhn.red.; TEMKINA,' Ye,L., tekhn.red.
(Long-range planning for the wq)ansion and location of sources
of supply of building materials and equipment for the construction
industry in economic administrative regions; basic regulations]
Perspektivnoe planirovanie razvitiia i razmeshcheniia material*no-
tokhnicheskoi bazy stroitel'stva v ekonomicheakikh administrativnykh
rsionakh; oenovnye polozheniia. Moskva, Gos.izd-vo lit-ry po stroit.,
arkhit. i stroit.materialam, 1960. 78 P. (MIRA 13:9)
1. Akademiya stroitellstva i arkhitektury SSSR. Institut ekonomiki
stroltellstva. Z. Institut ekonomiki Akademii stroitelistva i arkhi-
tektury SSSR (for Ifebollain, Bukshteyn. Vayntsvayg, Lazarevich,
Kartsev). 3. Otdel ekonomiki i organiza;taii Gosstroya SSSR (for
Kontorovich, Khlybova, TSimbslyuk).
(Building materials industry) (Construction industry)

KARTSEVA, A.G. [Kartseval, A.H.]; MUNENKC), V.M.
Nature of changes in the basic hemcdyiiaml~.- indices following
compression of the abdomirial aorta. Fizi.ol. ZhUr. [wxr."j, in,
no.2:183-199 Mr-Ap 161~. (,'.! I F A - L 8 - 7 )
1. laboratoriya krovoobraslichenlyza Injt-ltuta 1-
- 11.1.
A.A.Bogomolltsa AN UkrSSR, Kiye-T.

KOTSKVA, A.M. -
Preparing a powder of alumint=-magnesium addition alloys
for exothermic mixtures. Ut. proizv. no.7:43-41, T11 163.
(MIRA YI-I)

AUTHORS: Kartseva, A.M. , Vikhoreva, T.A. 32-2-4-4-11/67
"----MW1WM~WWAW_
TITLE: Control of Gas Saturation in Melts on a Copper Basis (Kontroll
gazonasyshchennosti v rasplavakh na mednoy osnove)
PERIODICAL: Zavodskaya Laboratoriya, 1958, Vol. 2,1+, Nr 4, PP. 100-413 (USSR)
ABSTRACT: For carx7ing out determinations in aluminum alloys Dardel (Ref 1)
suggested a method in which the moment of formation of the first
gas bubble in the metal melt was recorded at a certain vacraum and
temperature. In the present method this is applied to alloys on
a copper basis, in which case the higher melting temperature is
necessary. It may be seen from a drawing that the test apparatus
cons13tS of a heatable container with melting crucible, a mercury
manometer, a connection to the vacuum, etc. It is not the absolute
gas content of the melt that is determined, but only a sort of
quality control based upon the gas content 48 carried out. The
actually characterizing quantity is the pressure at V&ich the
first gas bubble is formed under fixed conditions. In this manner
several alloys were investigated; by subsequent mechanical tests
Card 1/2 it was found that the gas content of the melt exercises

Control of Gas Saturation in Melts on a Copper Basis 32-24-4-11/67
considerable influence upon the mechanical properties of the
alloys. A comparison between results obtained by the described
investigation methoa with those obtainei in laboratories showed
good agreement. Determination Is said to take from 2 to 3 min-
utes. There are I figure, 4 tables, anJ I reference, which
is Soviet.
1. Copper alloys---Quality cont:-ol 2. Copper alloys--Testing
equipment 3. Gases--Determination 4. Gases-Metalluz-gical
effects
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19(7) SO V1 128-59-7-33/25
AUTHOR: Kartseva, A.TT.,
TITLE: Fxothermic PTixes for Risers of Copper-Pase Alllo
-'r Cas-
'
tings
PERTODICAL: 101550
Fr "t
Titeynoye Proizvodstvo
11
pp 0
-
,
,
,
ABSTRACT: nne of tbe most efficient methoe-s to improve t~-,e qua-
lity of special shnpe castings is the combustion %,.kith
exothermic mixes. The composition of s,,Ach ~-lloy appd
for steel casting cannot be used for casting of colo-
-red metals ( includi_,-~~ allogs with copper b-ase ') as the
starting temperature (19700 C) is too high, Tes-t~: have
been made with en alloy of aluminitm and ma,7nesium (40
to 55 fl 9 716 A! 3 . A suc'~, comr)ocition an(I 'a tempera-n-,(re
"
l
4
;
o
of e.g. 460
can be high
om
y rec
,mended. As ddditi
nal
exothermic compounds are to be mentioned: powder of
a! uminum. and magnesium (50" Al, 5017f "'g) , iron ore no,?~-
der (iron glance), copper oxide, manganese ore, and
protoxide of sodium. ~ table s-.ows the results of t'~e

Card !12 tests amde ,vith such exother-mic components, Por
different types of casting shapes -- according to wall

-,n7/12 3-59-7-3/2 5
Exothiermic ?.,Times for Risers Of COPPE.r "lase k1loy Castings
thickness and materials different types of exot'her-
mic components should be su&~ested. Comparison tables
.Lor such sugFestions are publi.shed. Conclusions dravin
from the laboratory and the field tests -mnle: This me-
t1iod should be used when pouring s:,~iall or lnrr:e shapes
from copper alloys. The components containing iron
ore powder (iron glance) are cheaper t4han those ma:Ie
with copper oxides. There are 6 and 7;
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