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STUDY ON REDUCING THE CORE LOSS OF GRAIN ORIENTED SILICON STEEL AND IMPROVING ITS AGING PROPERTY BY LASER NITRIDING TECHNIQUE IN ATMOSPHERIC AMBIENT D.Zhang1,Y.L Yang1,C.S.Liu2,F.J.Sun1 (1.College... to improve the properties (such as aging property and the core loss) of grain oriented silicon steel. The samples were nitrided with regular space.some laser irradiation, Fe4N and Fe3N were formed......
Silicon Transmission in Blast Furnace糜克勤摘 要:<正> Based on thermodynamic calculation,oper-ating data and experiments,Si transmission in B.F.is described in this paper.The Si in hot metal is con-trolled by both reduction and reoxidation.Equilib-rium calculation gives a tapping value and the pro-file of Si content of the hot metal in B.F.The......
Study of Thermal Treatment on Properties of Polycrystalline Silicon Wang Wenjing1,Ma Lifen2,Ren Bingyan2,Gou Xianfang2,Xu Ying1,Li Xudong1 (1.Beijing Solar Energy Research Institute, Beijing 100083... that greatly reduce recombination centers result to lifetime rising. Key words:polycrystalline silicon; oxygen; lifetime; [全文内容正在添加中] ......
Sub-micron-structure machining on silicon by femtosecond laser Hung-Yin TSAI 1, Shao-Wei LUO1, Chih-Wei WU 2, Shing-Hoa WANG 2 1. Department of Power Mechanical Engineering, National...-micron-structure machining on silicon substrate was studied by direct writing system of femtosecond laser with the central wavelength of 800 nm, pulse duration of 120 fs and repetition rate of 1 kHz......
Preparation and properties of porous silicon carbide ceramics through coat-mix and composite additives process ZHAO Hong-sheng, LIU Zhong-guo, YANG Yang, LIU Xiao-xue, ZHANG Kai-hong, LI Zi-qiang Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China Received 18 October 2010; accepted 29 November 2010 Abstract: The core-shell structure silicon-resin......
and Engineering, Dalian University of Technology, Dalian 116024, China摘 要:The effects of the particle size of ground metallurgical grade silicon (MG-Si), the sort... of hydrometallurgical purification of metallurgical grade silicon under ultrasonic fields was also discussed.关键词:......
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J. Cent. South Univ. (2019) 26: 2661-2667 DOI: https://doi.org/10.1007/s11771-019-4203-7 Effects of ratio of hydrogen flow on microstructure of hydrogenated microcrystalline silicon films deposited... of Springer Nature 2019 Abstract: Hydrogenated microcrystalline silicon (μc-Si:H) films were prepared on glass and silicon substrates by radio frequency magnetron sputtering at 100 °C using a mixture of argon......
Effect of Rapid Thermal Process on Oxygen Precipitates in Heavily Sb-Doped Silicon Wafer Xu Yuesheng1,Hao Qiuyan1,Teng Xiaoyun1,Liu Caichi1,Zhao Liwei1,Sun Shilong1 (1.Institute of Information Functional Materials, Hebei University of Technology, Tianjin 300130, China) Abstract:Oxygen precipitates in heavily Sb-doped silicon after rapid thermal process (RTP) in Ar ambient were investigated......
Effects of Germanium on Movement of Dislocations in p-Type Czochralski Silicon Zhao Yiying1,Yang Deren1,Li Dongsheng1 (1.State Key Laboratory of Silicon Materials, Zhejiang University, Hangzhou 310027, China) Abstract:By indentation at room temperature followed by annealing at high temperatures, the pinning effect of germanium on dislocations in germanium-doped Czochralski silicon......