HIGH-PURITY

作品数：124被引量：275H指数：8
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相关机构：清华大学中南大学哈尔滨工业大学东北大学更多>>
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  • 期刊=Transactions of Nonferrous Metals Society of Chinax
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Preparation technology research progress of high-purity antimony
《Transactions of Nonferrous Metals Society of China》2025年第2期579-601,共23页Zong-bo LI Yan FENG Yu-feng WEN Ri-chu WANG Xiang PENG 
High-purity antimony(Sb)is essential for industries like semiconductors and photovoltaics,driving research on its production.This review summarizes research advances in production and preparation techniques for high-p...
关键词：high-purity Sb preparation technique PURIFICATION SEGREGATION 
Numerical simulation and experimental verification of axial-directional crystallization purification process for high-purity gallium被引量：3
《Transactions of Nonferrous Metals Society of China》2020年第12期3404-3416,共13页You-dong DING Lan JIANG Zi-shen LI Gao-feng FU Liang YU 
Project(51465014)supported by the National Natural Science Foundation of China;Project(Guike AA17204021-7)supported by the Innovation Driven Development Special Foundation of Guangxi,China。
A transient numerical model was applied to simulating the axial-directional crystallization purification(ADCP) process of gallium(Ga) raw material at different coolant temperatures(Tc), and the evolutions of melt/crys...
关键词：high purity Ga axial-directional crystallization purification finite element method 
Synthesis of high-purity ultrafine tungsten and tungsten carbide powders被引量：14
《Transactions of Nonferrous Metals Society of China》2020年第6期1697-1706,共10页Kai-fei WANG Guo-hua ZHANG 
Project(51725401)supported by the National Natural Science Foundation of China。
High-purity ultrafine W or WC powder was prepared via a two-step process composed of the carbothermic pre-reduction of WO2.9 and the following deep reduction with H2 or carbonization with CH4+H2 mixed gases. The effec...
关键词：carbothermic pre-reduction CARBONIZATION TUNGSTEN tungsten carbide 
Recovery of high purity silicon from SoG crystalline silicon cutting slurry waste被引量：7
《Transactions of Nonferrous Metals Society of China》2014年第4期1237-1241,共5页李大刚 邢鹏飞 庄艳歆 李峰 涂赣峰 
Project (51074043) supported by the National Natural Science Foundation of China;Project (2011BAE03B01) supported by the National Technology Support Program of China;Project (N120409004) supported by the Fundamental Research Funds for Central Universities,China
The composition and size distribution of cutting waste were characterized. The Si-rich powders were obtained from the cutting waste using a physical sedimentation process, and then further purified by removing impurit...
关键词：SoG-Si cutting slurry waste high-purity Si RECOVERY physical sedimentation high temperature melting 
Valence states, impurities and electrocrystallization behaviors during molten salt electrorefining for preparation of high-purity titanium powder from sponge titanium被引量：11
《Transactions of Nonferrous Metals Society of China》2014年第2期553-560,共8页翁启刚 李瑞迪 袁铁锤 李健 贺跃辉 
Project(20110942K)supported by Open Fund of State Key Laboratory of Powder Metallurgy,China;Project(51021063)supported by the National Natural Science Foundation of China
High-purity titanium powder was prepared by molten salt electrorefining from sponge titanium in NaCl-KCl-TiClx salts. The titanium valence, purity and electrocrystallization during electrolysis process were studied. T...
关键词：molten salt electrolysis high-purity titanium powder VALENCE ELECTROCRYSTALLIZATION 
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