文章摘要
碳化硅颗粒增强Al基复合材料的新型制备工艺
New Preparation Technology of Silicon Carbide Particle Reinforced Aluminum Matrix Composites
Received:June 10, 2010  Revised:January 10, 2011
DOI：
中文关键词: 高能超声半固态复合法  SiCp/Al复合材料  SiC颗粒  制备工艺
英文关键词: high-intensity ultrasonic treatment  silicon carbide particle reinforced aluminum matrix composites  silicon carbide particle  preparation technology
基金项目:
Author NameAffiliation
ZHANG Yan-gui School of Material science and Engineering, Hefei University of Technology, Hefei 230009, China 
HU Zhi-jun School of Material science and Engineering, Hefei University of Technology, Hefei 230009, China 
WU Jin School of Material science and Engineering, Hefei University of Technology, Hefei 230009, China 
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中文摘要:
      综述了碳化硅增强铝基复合材料的几种主要制备工艺，重点阐述了高能超声半固态复合法制备SiCp/Al复合材料。首先用渗流法制备SiC体积分数高的SiCp/Al预制块，进行SiC预分散，然后将预制块加入处于半固态温度条件下的铝合金熔体中，最后导入超声波进行搅拌。此法很好地改善了增强颗粒与基体之间的润湿性，使SiC在基体中均匀分布。
英文摘要:
      Main preparation technologies of silicon carbide particle reinforced aluminum matrix composites are briefly introduced, focusing on preparation of silicon carbide particle reinforced aluminum matrix composites by high-intensity ultrasonic treatment. Firstly, to pre-disperse the silicon carbide particle in the composites by infiltrating process; then add the precast block into the semi-solid aluminum alloy; at last lead in the ultrasonic treatment to stir the melt. This method well improves the wetting property between the reinforced particles and the matrix and makes the silicon carbide particles uniformly distributed in matrix.
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