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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 3    No. 1    March 1993

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ULTRASONIC VIBRATION LIQUID CAST SiC_w/Al AND SiC_p/Al COMPOSITES
Lu Yuxiong ;Bi Jing ;Shen Hongwei; Ma  Zongyi; Gao  Yinxuan

Institute of Metal Research; Academia Sinica; Shengyang 110015; China

Abstract:SiCw Al and SiCp/Al composites have been produced by an uhrasonic vibration casting technique. Ultrasound irradiation promoted the wetting of reinforcements in aluminum liquid, improved the reinforcement distribution in the metal matrix, and reduced porosity. The composites can be remelted. Initial studies of the preparation procedures, microstructure, fracture surface morphology and remelting properties of SiCw/Al and SiCp/Al composites fabricated by ultrasonic vibration liquid are presented in this work.

 

Key words: Ultrasonic vibration liquid casting SiCw/Al SiCp/Al

ISSN 1672-7029
CN 43-1423/U

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