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Vacuum distillation refining of metallurgical grade silicon (Ⅰ)--Thermodynamics on removal of phosphorus from metallurgical grade silicon WEI Kui-xian(魏奎先)1, 2, MA Wen-hui(马文会)1, 2, DAI Yong-nian.... The thermodynamics on vacuum refining process of the metallurgical grade silicon was studied via separation coefficient of impurity phosphorus in the metallurgical grade silicon and vapor-liquid......
in the Ar-H2O-O2 atmosphere in the electric arc furnace. Key words: thermodynamics; metallurgical grade silicon; purification; oxidizing refining; electric arc furnace  ... Boron removal from metallurgical grade silicon by oxidizing refining WU Ji-jun(伍继君)1, MA Wen-hui(马文会)1, YANG Bin(杨 斌)1, DAI Yong-nian(戴永年)1, K. MORITA2 1. National Engineering Laboratory......
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change of reactions (1)-(6) and temperature 3.2 Thermodynamics of chromium oxidation The main target of chromite ore oxidative roasting process is to make the insoluble chromium transform to water... (sodium ferrite, etc) may be one of the important causes of low chromium oxidation rate, especially in the later roasting process when the Na2CO3 is exhausted. 3.4 Thermodynamics of magnesium oxide......
Thermodynamic evaluation of new metallurgical refining processes for SOG-silicon production Kazuki MORITA, Takeshi YOSHIKAWA Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan Received 17 June 2010; accepted 15 August 2010 Abstract: With the aim of developing a new silicon refining process for production of solar grade silicon, a low......
Internal oxidation thermodynamics and microstructures of Ag-Y alloy WU Chun-ping(吴春萍)1, YI Dan-qing(易丹青)1, CHEN Jing-chao(陈敬超)2, LI Jian(李 荐)1, LIU Hui-qun(刘会群)1, WANG Bin(王 斌)1, FANG Xi-ya(方西亚... behavior of Ag-Y alloy is feasible from the view of thermodynamics. The upper limit of oxygen partial pressure of Ag-Y alloy oxidation is a function of temperature. Two phases (Ag and Y2O3) appear......
. The effect of various ternary additives on the oxidation behavior of TiAl in high-temperature air[J]. Oxid Met, 1996, 45: 197-219. [14] MAKI K, SHIODA M, SAYASHI M. Effect of silicon and niobium... Effect of Cr on high temperature oxidation of TiAl DONG Zi-qiang(董自强), JIANG Hui-ren(姜惠仁), FENG Xiao-ran(冯晓然), WANG Zhong-lei(王中雷) School of Materials Science and Engineering, Beijing......