共搜索到5216条信息，每页显示10条信息，共522页。用时：0小时0分0秒444毫秒
EFFECT OF VACUUM HEAT TREATMENT ON OXIDATION BEHAVIOR OF SPUTTERED NiCrA1Y COATING M.H.Li1,X.F.Sun1,Z.Q.Hu1,Z.Y.Zhang1,W.Y.Hu2,H.R.Guan1 (1.Institute of Metal Research, The Chinese Academy..., is subjected to vac-uum heat treatment in order to remove internal stress before ceramic top coat is de-posited. The effect of vacuum heat treatment on the oxidation behavior of the sputteredNiCrAlY coating......
with the theoretical calculation. Key words: ammonium paratungstate; silicon removal; magnesium salt precipitation; solution purification 1 Introduction The tungsten is an important metal in many industrial... goes through purification and conversion stages, finally the APT·4H2O product is obtained by evaporative crystallization [3,7]. However, these conventional methods consume a large amount of auxiliary......
Microstructure and properties of Cu-0.6Cr alloy after vacuum continuous casting TSAI De-chang(蔡德昌)1, HWANG Weng-sing(黄文星)1, CHEN Siang-yong(陈向永)2, KANG Jin-sing(康进兴)2, JIANG Cheng-xue(蒋承学)2 1... 2007; accepted 10 September 2007 Abstract: To promote the solution of chromium in copper and the purity of copper-chromium (Cu-Cr) alloy, vacuum continuous casting (VCC) process was employed......
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......
Vacuum brazing of TiB2 cermet to TiAl-based alloys using Ag-Cu-Zn filler metalLI Zhuo-ran(李卓然), FENG Ji-cai(冯吉才), CAO Jian(曹 健)(State Key Laboratory of Advanced Welding Production Technology, Harbin Institute of Technology, Harbin 150001, China)Abstract:Vacuum brazing of TiB2 cermet to TiAl-based alloy was carried out at 1223K for 5-30min using Ag-Cu-Zn filler metal. The microstructural analyses......
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......
]. 环境污染治理技术与设备, 2006, 7(4): 114-119.LIU Tong-zhou, LI Jin-hui, NIE Yong-feng. Study on mercury removal from waste Zn-Mn batteries by vacuum aided distillation technique[J]. Techniques and Equipment...]. Journal of Power Source, 2004, 136(1): 191-196. [15] 朱建新, 李金惠, 聂永丰. 废旧电池回收利用的真空蒸馏装置, 中国, CN1363697A[P]. 2002-10-15.ZHU Jian-xin, LI Jin-hui, NIE Yong-feng. A vacuum distillation equipment......
Lingxin, YANG Bin, LI Yifu, et al. Application of MIVM for Pb-Sn system in vacuum distillation[J]. Metallurgical and Materials Transactions B, 2012, 43(6): 1649-1656. [13] HUANG Run, L Xuewei, BAI... reduction and vacuum smelting of panzhihua ilmenite concentrate HUANG Run, L Xuewei, ZHANG Kai, SONG Bing, BAI Chenguang (School of Materials Science and Engineering, Chongqing University, Chongqing 400044......
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. (2021) 28: 72-88 DOI: https://doi.org/10.1007/s11771-021-4587-z Separation and purification of tantalum from plumbomicrolite of amazonite deposit in Kola Peninsula by acid... ARUTYUNYAN, M N PALATNIKOV, D V MANUKOVSKAYA. Separation and purification of tantalum from plumbomicrolite of amazonite deposit in Kola Peninsula by acid leaching and solvent extraction [J]. Journal......
