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BIPOLAR PULSED PECVD OF ALUMINA HARD COATINGS O.Kyrylov1,D.Neuschütz1,R.Cremer1 (1.Lehrstuhl fur Theoretische Huttenkunde,RWTH Aachen,D-52056 Aachen,Germany) Abstract:In the last years a variety... the usage of pulsed plasmas is alumina. Although crystalline α-alumina can be de-posited by thermal CVD at temperatures above 1000℃ for two decades, no process forthe deposition of crystalline alumina......
ARTICLE J. Cent. South Univ. (2019) 26: 2119-2128 DOI: https://doi.org/10.1007/s11771-019-4159-7 Simulation of alumina dissolution and temperature response under different feeding quantities... Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019 Abstract: In the feeding process of aluminum electrolytic, feeding quantity of alumina affects eventually......
Process of aluminum dross recycling and life cycle assessment for Al-Si alloys and brown fused alumina HONG Jian-ping(洪建平)1, WANG Jun(王 俊)1, CHEN Hai-yan(陈海䶮)2, SUN Bao-de(孙宝德)1, LI Jia-jing(李家镜... by environmentally efficient and friendly methods. Two methods of Al dross recycling which could utilize Al dross efficiently were presented. High-quality aluminum-silicon alloys and brown fused alumina (BFA) were......
Separation efficiency of alumina particles in Al melt under high frequency magnetic field GUO Qing-tao(郭庆涛)1, CAO Zhi-qiang(曹志强)2, ZHANG Zhong-tao(张忠涛)2, LI Ting-ju(李廷举)2, JIN Jun-ze(金俊泽)2, HONG...; Abstract: The effects of separation time and magnetic induction intensity on the separation efficiency of alumina particles......
J. Cent. South Univ. (2012) 19: 897-902 DOI: 10.1007/s11771-012-1090-6 Dissolution rate determination of alumina in molten cryolite-based aluminum electrolyte KAN Hong-min(阚洪敏), ZHANG Ning(张宁), WANG... 2012 Abstract: Determination of dissolution rate of alumina is one of the classical problems in aluminum electrolysis. A novel method which can measure the dissolution rate of alumina was presented......
J. Cent. South Univ. (2012) 19: 1813-1816 DOI: 10.1007/s11771-012-1213-0 Carbothermic reduction of alumina with carbon in vacuum YU Qing-chun(郁青春), YUAN Hai-bin(袁海滨), ZHU Fu-long(朱富龙), ZHANG... Berlin Heidelberg 2012 Abstract: Carbothermic reduction alumina in vacuum was conducted, and the products were analysed by means of XRD and gas chromatography. Thermodynamic analysis shows......
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Alumina recovery from spent Bayer liquor by methanol ZHANG Ying(张 盈)1, 2, ZHENG Shi-li(郑诗礼)1, DU Hao(杜 浩)1, WANG Shao-na(王少娜)1, PENG Ying(彭 鹰)3, ZHANG Yi(张 懿)1 1. National Engineering... is the key step for alumina production; however, approximately only 55% alumina yield is obtained by seeded precipitation. So, it is difficult to obtain sodium aluminate solution with high caustic ratio......
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Aluminum production by carbothermo-chlorination reduction of alumina in vacuum YUAN Hai-bin(袁海滨)1, 2, 3, YANG Bin(杨 斌) 1, 2, 3, XU Bao-qiang(徐宝强) 1, 2, 3, YU Qing-chun(郁青春) 1, 2, 3, FENG Yue...; Abstract: Aluminum production by carbothermo-chlorination reduction of alumina in vacuum was investigated by XRD, SEM, EDS......
