SCIENTIFIC ABSTRACT MEANDROV, L. V. - MECHERET, I. B.

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CIA-RDP86-00513R001033210011-9
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December 31, 1967
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SCIENTIFIC ABSTRACT
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3 / 1 .4 a@-/60/000 lo:,1,2,100 5 /0 20 A' .6 -,.'A' A 3 AUTHORSs Tarnovskly, 1. Ya.; Khaaln, G, A.; F-zieye-,, A@ A,, anI Meand.rov, L..V.. TITLE& -Plasttcity of some steel graic.--i a,@ PERIODICAL; Iz-eitlya vysshikh uchebrykh zavedeniy. Charraya m6tal,@@rftiya, Lo, 12, 1960, 63 - 69 TEXTi The @,cnventional laboratory methcds -an cnly g'79 indire:.t data or, the plaetis'ty in relation to one of the vultt-Ae :)f factors existIng in r.-3al pre:isi-Irg working processes. It is theref@-re 7fler lelter to use the simplest t&.st methods - tension and impa-1 1@sndlng, Eighteen alloy sleel grades cl Jifferent structure group2 an! Eippl',caticns have, teen tested Using these ccmmon heat tests. The results are presented in tables and graphs. The !8 grades are divid9d into two groups - "a" and "b" (The chemical compc9itions are not included). The "all include!33 @' 4 1;11 2 A U12A), 60C2 (60S2); 18YHBA (18KhNVA); wy,5g (Shn.';SG), - Xl 8WcJT 1Y "N9T) ; 4Y'3 (M13); X17H2.(Khl7N2); H! 2112T @.Khl PNI 2M2T); ,BH2@r'e (Kh'025V).: X25105 (Kh25105); and the lltl@ - P',e (Rlle); X 2 @': H 1. f Card 1.16, 5 8 /60/000 //0' 2 //00 5/0 20 Plasticity of some steel grades at... Al@ @A' 3 (Kh?'We), 1/13 (lKh13); 4)(14H1482M (41,141114WM); 9A-4el, (EI-4e"). Re.- lative elongation %) follows two diffar@nt !a-pax a cozitinuc;-e risle fr;-jm KO t- 2000C (PI g@ I ) a) , and a rise to a maximum and dr-@ af ter 1. t (F; 1, b)@ A common feature of the "b" group, except for K1j,>3N'e, i@@ the high cartidG c-ontent.. In the Kh9S2 grade 6 changee re43uliarly (Fig 'j c) - dxops to almoE3*, a half and rises rapidly after the minimum at 900 - ','OOOC. ReductiDn- cf area %) follows the same 'a-v t,_:t w@th laq-9 !arying ateoluts b al ues @Ir, the "a" group grades the P grcw@ (-)r stays a, a,nd ir, the 'It" groip it reaches the maximtir, at 1;000 - 1,100@-C and goes down. Ar- intense grain growth in the 900 - 1,1000C range is cliaracteristiz for silch-rome steeil. In most of the stee2 g.,ades Vreached '00% at 1j2000C or earlier, and 'in some cases it did not exceed 80-90a. Consequently, the trend of the plasticity indices S and +/at hgh @emperatures @2 practically the sameg and they are equivalent until the formation of *he ne,-k on spa-@i- mens, but after it the '-Y value gives a more oomplete p!asticity r-haracteris- tic. Nevertheless, bot@ factors should be considered ia comtination, The hall group steel has the highest plasticity through the whcle temperature range of hc+ pr6esure working, but it must be bcrn in mind +-hat in complex Card 216 5/146/60/000/012/005/020 Plasticity of sonja steel grades at- A)6't//AI!3 stress.conddtions (e.g. " tube iercing).the prc@erties migh@ be different, as well as that the obtained 9 and I@ values might not be tr-.;q for *K1.109T, Kh18N12M2T and Kh17N2 in the case of a high ferrite content. Particular care Is recommended in selecting the pronefo paraxel@ers (lemperature in partioular) for the "b" group, for a large part cf theae grades a high quant1ty of primary carbides and irr.1ludes low-y@eltlng eute@t.,,-,15 in thr,% Gast structure.4 The impact strength (a,) dr,r wifh raising te9t tempera- ture from 800 tn 11,250C)C was commo- for all irivegtigatt@i steel grades (F-ig. 2)*. All gradez- (ex.@ept Kh23N18) with a, varying as ' were the m-s, plasti-,, the spa@imans hant withDut rupture; grades w-th an -,mpac* streng!h varying aR 2 broke in tests with only few excqptions@ thAy bs.cnged t^ *re grc,up 'It," in tansion tests. The conclusion is that lmpa@t strength 7ariatior, iq Qp;@@sitQ to the piaaticit4 variation at a high temperature range and cannc, hi, used for the plasticity indices in thio rase. It must always be evaluat- ed jointly with dsformation resistance test results in equal *s@', r@onditiona The rbtained data can be used- to determine the riplim,im temFerature ranire for d_'fferent steel grades, as well as for the grades Irt.- groups for 9-imilar techrol;gical treatment. A f,,rther gystamatization -f test da+a is advised.. Jhq@ra are 3 tables and 2.figuri@; Card 1/6 Plaastl-31ty cf some oteal b-rades at.- S'l-481,"6,C)~~00010~2100')10-90 / A 16 @ /A @ 3 z ASSOCIATIO14- Usal@o.'.kiy polifekhnicheskiy (Ural In- stitute) STJBMILTTEDs Mar@:@h 22, 1960 Card 4/6 MrANMV. L.V.; TARNOVSKIY. I.Ya.; POZDEM, A.A. Methods for a rapid testing of steel at high temperatnres. Zav. lab. 26 no.2:201-203 '60. (MIRA 13:5) 1. Urallskiy politekhniclfeski7 institut Imeni S.M.Kirova. (Steel--Testing) TARNOVSKIY, I. Ya., prof.; MEANDROVO L.V., aspirant Mechanical properties of alloyed steels at high temperatures. Trudy Ural.politekh. inst.no.78:21+-37 160. (KMA 34:5) (Metals At high temperatures) (Steel alloys-Testing) S/148/61/0()0/003/()06/()15 A16l/A133 AUTHORS: Tarnovskiy, I. Ya., Pozdeyev, A. A., Meandrov, L. V., Zhasin, G. A. Tl=t The d0pendenuo of the defprmation resistance on the ductils proper- ties of steel in hot pressure working PHRIODICAL: Izvestiya vyaah-fkh uche-bnykh zavedeniy.. Chernaya metallurgi3ra. no. 3, 1961, 82 - 90 TEXT: Tests have be@eA oeLrried out with the.upxetting of 16 different steel grades at..900 - 1,2000C and three different deformation ratues: 0.05; 7,5 and 150 sea-1. The article presents details of the experiment, techniques, ',he da'@a ob.&_'n-- ed in the form of.graphs, and derivations of formalae.. The graphx-presert the real stress value variations with the deformation degree, as well as with deformation rate at, different temperatures. The gniwth of deformation-resistance lh&rda@- ing) of some steel grades at LICO - 1,2000C, and a -low deformation rat6 were f,.%,md to be so insignif:roant that the yield limit or ialtimat4e stiength could'be used as deformation resistance eharacteriatio, but at. high deformation rates the steel be- haviour was different, and the con-zlusion was drawn that the effect o@ the de- formation degree should by all means be taken into acoolint for all the steel types studied. Me Increase In the deformation rate also considerably raiaed thp de- Card 1/3 S/148/61/000/00-11/00c,/015 The deperidence of the.. deformait@'on reafstance on A161/AI,43 formation resistanoe. A formula w" derived that, expresses tAi@ behavior of the maJority of the 16 steel grades with Arafflaient acomracyi 6' = d a + Kln ( 1 +- n (2) An 0 0 where 6.nn in the deformation resistanaie durl-ng linear, stressed state and rate; 69 - the deformation resistance at, zero deformation-rate; - the deformat-fo-- ralte t 4, ' .4' � 0 during stat o ea.s n - an:v deformation rate.; K - a coeffikient that depends on the steel glef se4eratare and deformation degree,. in kg/mm2. rns coefflolent presents in a phys.-Ioal aesse the "to'Agh resistance of metal t-. dafor- mation". Its connection wift-h the toughness faator in analyzed; and a table is inaluded giving the =rorricial valjea of K andCp- iialculated fo-r two o: the e"-'2--!-ied steel grades (at different temperatures and defg.-mation rates) - 18XHBA (-,,8aNvA% -nd XI8W2M2T (KhI8NI2142T) steel. Zt, is pointed out that the simplified Ey-equation for flat employed usually Ln pressure working theory 5 1 - 6' 3 - 1.15e g ('5) does not suffioiently express the real proper-.,i-is of steel at ILJL@h . temperai;!.Arem The new equation of tough-dufitile state derived from experime-n-!;al da@a is Card 2/.3 3/148/61/000/0()3/006/015 The dependence of the 4.4-formation resistance on the ... A16l/A133 63 ' 1-156; + I ' an (6) hl_@e where Is the mean Uor the entire body volume) value of the toughness co- Officient"at tbe given deformation momeut, and T' - the extrapolated yield limit that accounts at any given moment for the degree of the preceding deformation of the body. Equations are derived also for the case of any stressed state. The numerical values of the X coefficient render it 3-asy to find the toughness coeffi- cient for heated steel also under dJ_ffw_,snt,deformation conditions. There are 7 figures and 4 Sovie*-bloe references. .41 A3SOCIATIONt Ural'skiy politekhninheskiy-institut Me Ural-Polyteohn1a Institn'be) SUBMnVMt July 20, 1957 Card 3/3 ,.- TARNOVSKIY, I.Ya4; POWNEV, A.A.; MEANDROV, Love Physical equations for the mechanics of a deformed Sew in the press forging theory. Izv.vys.ucheb.zav.; cherimemete no.4:67-78 161. (MIRA 14:4) 1. Urallskiy politekhnicheskiy institnt. (Forging) (Deformations @Mechanics)) USTIW", V.A.; NEANDROV,-L.V. Investigating the deformation of a steel-nickel bimetal under the affect of hot rolling. TSvet. met. 36 no.6.6/v-68 Je 163. OURA 16:7) (Laminated metals) (Rolling (Metalwork)) S/133/63/000/002/0W0141 A054/A126 AUTHORS: jkAnk2V.1L-V.- Candidate of Technical Sciences, Ustimenko, V.A., Engineer TITLE., At the Tsentral'nyy nau&.no-issledovatellskiy institut chernoy me- tallurgii im. I.P. Bardina (Central Scientific Research Institute of Ferrous Metallurgy im. I.P. Bardin) PERIODICAL: Stal', no. 2, 1963, 157 TEXT: Atthis Institute and the Test Plant of TsNIICW4 two methods of bi- metal production were tested: coating by casting and rolling. in packs. The best results were obtained when rolling 4-layer ayumtric packs with separating layers, The reduction for such packs - between 1,250 and 9OO'C must be at least 50%; the contact surfaces need no finishing. Oil films must be prevented from entering the packs to eliminate lamination. The distribution of specific reduc- tion for the single layers depends on the ratio between the deformation resist- ances of the layers at given temperatures and on the degree and rate of their deformation. Between 800 and qOO*C the deformation resistance of CT-3 (St-3) Card 1/2 S/133/63/000/OOP_/O1i/o1'4 At the Tsentrallnyy nauchno-issledovatellskiy .... A054/A126 grade steel exceeds that of nickel; the opposite occurs at 1,100 - 1,200 C. A new stainless material.has been developed at the Kommunarskly metallurgicheakiy zavod (Kommunar. Metallurgical Plant). It consists of large-sized bimetal, double-layer sheets with a nickel coating. The material Is rolled in 4-layer packs (240 X 750 X 1,700 mm) on the 2,&)0 stand; Next 11 -4- 13 X 500 -t 1,700 x x 4,000 -4- 6,000 = sheets were coated with a 2-mm nickel layer and used in mak- ing equipment for chemical plants. The test sheets diqplayed a 32 - 46 kg/mmF strength limit, 23 - 32% relative elongation and an inter-layer shear resistance of 19 - 29 kg/mm2. Upon analyzing, a considerable C, Si, Ni and Fe diffusion was observed in a 30 - 35 p, thick bader layer. The production costs of these bimetal sheets are not higher than 28% of the production costs of pure nickel sheets; the process saves 2,250 rubles/ton and 700 kg nickel/ton of sheet. Card 2/2 MMDRCNp @.V.; USTIMENKO, V.A. Investigating the d4'formation of the layers of a,b jftUa during its working by pressure, Izv. vys. ucheb. zav,j'ir@.. met. 6 no.11:109-112 163.* (MIRA 1?-3) 1. TSentrallnyy nauchno-issledovatellskiy institut thernoy metallurgii. MANDROV L.V.; GOLOVAMENKO, S.A.; TARLINSKIY, D.I.4 BYKOV, A.A. Pack rolling of two-layer stainless &W. Biul.tekh.-ekon.inform. Gos.nauch.-tssl.inst.naucb.i tekh.tn?@rm. 16 no.8.-6-9 063. (MM 16-10) GLADYREVSKAYA, S.A.; _L.V.! GOLUMiatKO, S.A.; BYKOV, A.A.; KLI11OV, I.Ya., doktor tekhn. nauk, prof., retsenzent; BIAGOSKLONOVA, N.Yu., inz-h., red. (Two-layer steel in chemical machine building] Dvukhsloinye stali v khimicheskom mashinostroenii. Moskva, Mashinostroenie, 1965. 151 P. (MIRA 18:5) L 36134-66 E'RT(m)/EWP(Y)/T/E7$P(t)/FTI/EWP(k) - IJP(C) JD/WHW ACC NR. AT6016760 (N) SOURCE CODS: UR/2776/65/000/042/0045/0054 AUTHOR: Neandrov, L. V.; Bykov, A. A. ORG: none TITM: Rolling@o_f large-sized bimetalsheets with a cladding layer of highly deformation-resist ant/steel If 16 SOURCE: Moscow. Teentrallayy nauchno-issledovatellskiy institut chernoy metallurgii. Sbornik trudov, no. 42, 1963. Proizvodetvo bimetallow (Production of bimetalo),-45-54 /" E 'rj9 A- TOPIC TAGS:,icorrosion ra$Lstant steel, carbon steel, bimetal, metal claddLng, met&L rolling, chemical plant equipment / OKh23N28K3D3T corrosion resistant steel St.3 carbon steel ABSTRACT: The article describes the development of the optimalfegime fer the fabri- cation of bimetal sheets wi h a cladding layer of OKh23N28M3D3T F(BX943) corrosion- -resistant stainless steelj@(O.06% C, 0.8% Si, 0.8% Hn, 22-25% Cr, 26-29% Ni, 0.4- -0.7% Ti, 2.5-3.0% Mo, 0.02% S, 0.035% P, 2.5-3.5% Cu) and a base layer of St. 3 carbon steel, designed for the construction of railroad acid cisterns and chemical apparatus. The principal problem was that of rolling slabs of HI943 steel into 16-30 mm thick sheets prior to their assembling and welding with sheets of the base metal. Since the temperature range of hot deformation (1100-1170*C) for 91943 steel is much L 36134-66 ACC NRI AT6016760 lower than for,st. 3carbon steel, forged sheet bars of 91943 steel were hot-rol)ed in- to thinner sheets at