Effect of particle size on mechanical properties of SiCp/5210 Al metal matrix composite

被引：0
|
作者：
于晓东
王扬卫
王富耻
机构：
[1] Beijing 100081
[2] China
[3] School of Materials Science and Engineering Beijing Institute of Technology
来源：
Transactions of Nonferrous Metals Society of China | 2007年 / S1期
关键词：
metal matrix composite; SiCp/5210; composite; squeeze casting; mechanical properties;
D O I：
暂无
中图分类号：
TB33 [复合材料];
学科分类号：
0805 ; 080502 ;
摘要：
SiCp/5210 Al metal matrix composites with a high volume fraction(50%) of SiC particles were fabricated by squeeze casting method. The effect of particle size on the mechanical properties of the composites was studied. The results show that with the decreasing of particle size,the bending strength of the composites increases,while the fracture toughness of the composites decreases. The bending strength and fracture toughness of 10 μm SiCp/5210 Al metal matrix composite are 825 MPa,10.0 MPa·m1/2,and the fracture toughness of 63 μm SiCp/5210 Al metal matrix composite reaches 12.8 MPa·m1/2. The main fracture mechanism changes from particle crack to particle/matrix interface de-bonding with the decreasing of particle size.
引用
收藏
页码：276 / 279
页数：4
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