Preparation of SiCp/Al2O3-Al Composites by Directed Metal Oxidation

被引：0
|
作者：
LIN Ying*
机构：
来源：
Chinese Journal of Aeronautics | 2006年 / S1期
基金：
中国国家自然科学基金;
关键词：
SiCp/Al2O3-Al composites; directed metal oxidation; Al-Mg-Si alloy; SiC reinforcement;
D O I：
暂无
中图分类号：
TN304 [材料];
学科分类号：
0805 ; 080501 ; 080502 ; 080903 ;
摘要：
SiCp/Al2O3-Al composites were synthesized by means of direct metal oxidation method. The composition and microstructures of the composites were investigated using X-ray diffraction (XRD), scanning electron microscopy (SEM) and metallurgical microscope. The effects of technical parameters on the properties of the product were analyzed. The results indicate that the composite possesses a dense microstructure, composed of three interpenetrated phases. Of them, SiO2 layer prohibits the powdering of the composites; Mg promotes the wetting and infiltration of the system and Si restricts the interfacial reaction while improving the wetting ability between reinforcement and matrix.
引用
收藏
页码：47 / 50
页数：4
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