Effect of Sb on microstructure and mechanical properties of Mg2Si/Al-Si composites

被引：0
|
作者：
任波 [1 ]
刘忠侠 [1 ]
赵瑞锋 [2 ]
张天清 [3 ]
刘志勇 [1 ]
王明星 [1 ]
翁永刚 [1 ]
机构：
[1] School of Physics Engineering,Key Laboratory of Material Physics,Ministry of Education,Zhengzhou University
[2] No.19 Middle School of Zhengzhou
[3] DDJT Aluminum alloys Co.Ltd.
来源：
TransactionsofNonferrousMetalsSocietyofChina | 2010年 / 20卷 / 08期
关键词：
Mg2Si/Al-Si composite; Sb; mechanical property; fine-grain strengthening;
D O I：
暂无
中图分类号：
TB333 [金属－非金属复合材料];
学科分类号：
0805 ; 080502 ;
摘要：
The effect of Sb on the microstructure and mechanical properties of Mg2Si/Al-Si composites was investigated.The results show that Sb can improve the microstructure and mechanical properties of Mg2Si/Al-Si composites.When the content of Sb is 0.4%,the morphology of primary Mg2Si changes from dendrites to fine particles,the average size of Mg2Si particles is refined from 52 to 25μm,and the ultimate tensile strength and elongation of the composites increase from 102.1 MPa and 0.26% to 138.6 MPa and 0.36%,respectively.The strengthening mechanism can be attributed to the fine-grain strengthening.However,excessive Sb is disadvantageous to the modification of the composites.
引用
收藏
页码：1367 / 1373
页数：7
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