SCIENTIFIC ABSTRACT GERSHGORINZ, F. - GERSHKOVICH, N.

• Document Type: CREST
• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R000514920004-6
• Release Decision: RIF
• Original Classification: S
• Document Page Count: 100
• Document Creation Date: November 2, 2016
• Document Release Date: September 17, 2002
• Sequence Number: 4
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

SPIVAY, I.I.; DOYJIOVKEII, S.Ye.; S.S.; G:L'-?ZHGO,IIU, F.Z.; LNHW, Ye.M.
Treatment of ascariasia with ninerazine adipinate and piverazine
hexahydrate in children with rheumatic fever. Pedintriii, 36 no.11:
71-72 14 158. (MI-9A 12:8)
1. Iz 'lespublikanskogo det-Ocogo revmaticheskogo sanatoriya *Avoty"
M Ilizhsl:om vzmorl-ve (!lavuyy vrach M.K. Kucliko',ra, ruiuchnyy rukovoditell-
prof. A.N. Ivnnov).
(ASCA--IIDS AND ASCA-IIASIS) (PIFWltk.ZI-,13)
Ouuumvic F.BVII)

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Translation from: Referativnyy zhurnal, Metallurgiya, 1958, Nr 9, p 73 (USSR~
AUTHORS: Gershgorn, M.A,, Kuznetsov, M.P., Dyubin, N.P.
TITLE: Top Pouring of Bessemer Rail Steel (Razlik,ka sverlkhn bes-
semerovskoy rel'sovoy stali)
PERIODICAL: Byul. nauchno-tckhn. inform. Ukr. n.-i. in-t metallov,
1957, Nr 2, pp 31-44
ABSTRACT: To improve the quality of the metal, and particularly to
eliminate so-called "white spots", and also to increase output
in the Bessemer department of the im. Dzerzhinskiy Plant, a
top-pouring method, in which basket pouring is done via inter-
mediate ladles the volume of which is 10-151!lo larger than the
volume of the ingot hot top, has been developed and introduced.
A combined mobile arrangement for simultaneous filling of
three molds has been developed. A 21.5-t heat was poured into
5 ingots in 13- 14 min, as against 8- 10 min with bottom pouring.
Top pouring made it possible to effect the following savings per
t steel: 28 kg pig iron, 2 kg Fe ore, and 2.3 kg of mold metal.
The yield of first-class rails was increaged f rorn 83.2 to 88.V,'o,
Card 1/2 the number of internal fissures was reduced from Z.98 to 1.56%,

'7 - 5;'-') -1 ,~A~)
;0V/ I ~j
Top Pouring of Bessemer Rail Steel
of corner cracks from 4.65 to 0.301ilo, although there was an increase in less
serious defects (scab) from 1.33 to 5.5~6. "Skin twist" and "white spots"
were eliminated, while there was an overall improvement in macrostructure
and rejects were reduced f rorn 1. 24 to 0. 17%. Toughnes s on impact testing
was improved, and rejects from impact tests were reduced from 0. 19 to
0.105o. The consumption factor was reduced frorn 1.371 to 1.350. There
were no changes in the results of tensile, ak, aging, or flange bending tests,
and in macrostructure or segregation of impurities in the ingots-l'Investiga-
tion of 700 melts established the following: 1. An increased Si content in the
pig iron results in increased rejects due to scab, spotty segregation, and in
a reduced output of first-class rails. The optimum Si content of the pig iron
is 0.8- 1. 1%. 2. > 0.07% residual Si contents in the blown rnetal reduces the
output of first-class rails, this being related to an increase in [ H I and flake
formation. 3. Deoxidation of the steel with AMS alloy results in a negligible
decline in cTb and T, and in good results in the bending of rail flanges. This
phenomenon is related to the production of spherical in(.Iusioris. 4. The opti-
nium pouring temperature at which maximuni yield of first-rade rails is
recorded is 1470�100C. 5. Soaking of ingots in pits at