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Pretreatment of lead anode slime with low silver by vacuum distillation for concentrating silverLI Liang(李亮)1,2,3, TIAN Yang(田阳)1,2, LIU Da-chun(刘大春)1,2,3, ZHOU Hou-jun(周厚军)1,2, DAI Yong-nian(戴永年) 1,2, YANG Bin(杨斌)
PREPARATION AND PROPERTIES OF Ni-Cr AND Fe-Cr-Al FILMS BY VACUUM EVAPORATION C.M.Li1,X.W.Shi1,Z.Y.Liu1,D.C.Zeng1 (1.Institute of Materials Science & Technology, College of Mechanical Engineering, South China University of Technology, Guangzhou 510640, China) Abstract:Ni-Cr and Fe-Cr-Al films deposited on the Al2O3 substrate are studied by a method of vacuum evaporation in this paper. Influence......
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of Technology, Harbin 150001, China) Abstract: In order to characterize the diffusion behavior of Zn as melting point depressant (MPD) and its potential ability on removing oxide film during the brazing... along the interface. Key words: aluminum metal matrix composite; fluxless brazing; self-flux brazing alloy; grain boundary penetration; erosion; undermining 铝基复合材料因铝基体去膜困难,陶瓷增强相润湿性差,热膨胀系数低等原因而呈现出较差的润湿性......
Simulation of fuzzy control systems for nonferrous alloy vacuum counter-pressure casting YAN Qing-song(严青松)1, CAI Qi-zhou(蔡启舟)1, WEI Bo-kang(魏伯康)1, YU Huan(余 欢)2, YU Zi-rong(俞子荣)2 (1. State... simulation analyses of vacuum counter-pressure casting fuzzy control systems based on MATLAB, fuzzy control systems designed by simulation can track technical route established well. When transmission......
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Removal of organic solvent from cathodic electrophoretic emulsion paint by vacuum steam strippingQIU Yun-ren(邱运仁), LI Xiao(黎晓), WU Ding-yu(吴定宇)(Key Laboratory of Resources Chemistry of Nonferrous... is of great significance. Vacuum steam stripping of methyl isobutyl ketone (MIBK) and methyl ethyl ketone (MEK) from cathodic electrophoretic emulsion was studied. The effects of mass ratio of vapor to feed (V......
J. Cent. South Univ. (2017) 24: 2542-2549 DOI: https://doi.org/10.1007/s11771-017-3667-6 Volatilization behaviors of molybdenum and sulfur in vacuum decomposition of molybdenite concentrate ZHOU Yue-zhen(周岳珍)1, 2, LU Yong(卢勇)1, 2, LIU Da-chun(刘大春)1, 2, 3, CHEN Xiu-min(陈秀敏)1, 2, 3, LI Hui(李慧)1, 2, LI Wei(李玮)1, 2 1. National Engineering Laboratory of Vacuum Metallurgy, Kunming University......
Influence of vacuum heat treatment on structure and micro-hardness of electroless Ni-P-SiC composite coating LONG Shi-guo(龙士国)1, MA Zeng-sheng(马增胜) 1, HU Wen-bin(胡文彬)2, ZHOU Yi-chun(周益春)1 1. Key... coatings were prepared and the influence of vacuum heat treatment on its structure and properties was analyzed. The Ni-P-SiC composite coatings were characterized by morphology, structure and micro......
