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《Journal of The Chinese Ceramic Society》 1993-01
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STUDY ON PHYSICO-CHEMICAL PROCESS OF LASER SYNTHESIS OF ULTRAFINE SiC POWDER——Ⅰ. EXPERIMENTAL LAWS AND CHARACTERISTICS OF THE POWDER

Sui Tongbo Wang Tingi (China Building Materials Academy)  
Research results on synthesis of ultrafine SiC powder from gas-phase chemical reactions of SiH_4 and C_2H_4 induced by 50W CW CO_2 laser are presented. The relations between quality of the powder and cell pressure, C/Si atomic ratio in gas mixture,inner diameter of the nozzle and laser intensity are determined. The collected powder has been characterized physically and analyzed chemically.
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