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Structural optimization for ball valve made of CF8M stainless steel Xue-Guan SONG, Seung-Gyu KIM, Seok-Heum BAEK, Young-Chul PARK Department of Mechanical Engineering, Dong... of the valve. The results show that using this process can save valve mass as well as the computational expense effectively. Key words: ball valve; CF8M stainless steel; trade-off method; response surface......
Trans. Nonferrous Met. Soc. China 20(2010) s998-s1004 Thixocasting combination spanners using stainless steel X39CrMo17 M. B?NCK1, E. SUBASIC1, A. B?HRIG-POLACZEK1, K. JIANG2, S. ... be processed. In cooperation with industrial partners, X39CrMo17 stainless steel combination spanners with 17 mm width across flats were thixocast. Forming dies were designed and optimized......
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IN SITU OBSERVATION OF GROWTH BEHAVIOR AND MORPHOLOGY OF DELTA-FERRITE AS FUNCTION OF SOLIDIFICATION RATE IN AN AISI304 STAINLESS STEEL G.F. Liang1,G.M. Zhu1,Y. Fang1,J.C. Wu1,C.Q. Wan1,Y. Yu1...:It was presented the in situ observation of growth behavior and morphology of delta-ferrite as a function of solidification rate in an AISI304 stainless steel. The specimens have been solidified......
THE EFFECT OF W ON THE REPASSIVATION BEHAVIOR OF Ni-ADDED STAINLESS STEELS K. Y. Kim1,J.X. Pan2 (1.Pohang University of Science and Technology, Pohang 790-784, Korea;2.Jiuquan Iron & Steel (Group...-modified austenite stainless steel showed faster repassivation rate. The SCC tests verified that W-modified Ni-added stainless steels exhibited better SCC resistance than steels without W in chloride......
level donors in passive film formed on surface of stainless steel in 5% salt solution WANG Chao(王超), SHENG Min-qi(盛敏奇), ZHONG Qing-dong(钟庆东), CHOU Kuo-chih(周国治), LU Xiong-gang(鲁雄刚) Shanghai Key... of passive film formed on the surface of stainless steel was investigated by Mott-Schottky plots. It is indicated that transformation process of deep level donors’ ionization behavior of passive film......
; Abstract: The fatigue pre-cracking 304 stainless steel (SS) specimens with lengths of 1.002 mm (L-crack) and 0.575 mm (S-crack) were prepared. Their corrosion behavior was studied... of probability distribution, surface morphology and potential distribution. Key words: 304 stainless steel; fatigue pre-cracking; electrochemical noise; stress corrosion cracking (SCC); scanning Kelvin......
stainless steel; corrosion mechanism; local electrochemical technique; surface analysis; micrometer resolution; [全文内容正在添加中] ...MICROSCOPIC CORROSION STUDIES OF DUPLEX STAINLESS STEELS J.Pan1,C.Leygraf1,M.Femenia1 (1.Division of Corrosion Science, Department of Materials Science and Engineering, Royal Institute......
reaction, they probably move into the liquid steel through metal double layers. If the metals and carbon presents in the form of CrxCy and FexCy in the steels, it would make stainless steel products...: Metallurgical Industry Press, 1999. 77-78.(in Chinese) [18]XIAO Ji-mei. Metal Problem of Stainless Steel [M]. Beijing: Metallurgical Industry Press, 1983. 38.(in Chinese) (Edited by LONG Huai-zhong......
on the surface characteristics of AISI 204Cu austenitic stainless steel was investigated during a low temperature plasma nitrocarburizing. The resultant layer was a dual-layer structure, which.... Key words: low temperature plasma nitrocarburizing; corrosion resistance; expanded austenite; AISI 204Cu stainless steel; hardness. 1 Introduction The nickel-manganese-nitrogen contained stainless......
