Influence of Sb on Wear Resistance of In-situ Mg2Si/Al-Si Composites

被引：2
|
作者：
Liu, Niucan [1 ]
Li, Junqing [1 ]
Li, Haidong [1 ]
机构：
[1] Henan Inst Engn, Dept Math & Phys Sci, Zhengzhou 451191, Peoples R China
来源：
ADVANCED MATERIALS AND PROCESSES, PTS 1-3 | 2011年 / 311-313卷
关键词：
Sb; Mg2Si/Al-Si Composites; Microstructure; Wear Resistance; MG2SI; AL-MG2SI; ALLOYS;
D O I：
10.4028/www.scientific.net/AMR.311-313.197
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The microstructure and wear resistance of in-situ Mg2Si/Al-Si were studied in the different content of Sb. The result shows that when the content of Sb is 0.4%, the refining effect of primary Mg2Si granules in Mg2Si/Al-Si composite is best. The shape of Mg2Si turned into fine and even granules compared to the shape of Chinese character or treelike crystal before modification. At the same, the composite shows the best wear resistance and the loss of wear quality was reduced by 19%similar to 37%. The improvement of the wear resistance by alloy elements is related to the modification of the Mg2Si granules and enhancement of the matrix. The main wear mechanism of in-situ Mg2Si/Al-Si composite is grain-abrasion.
引用
收藏
页码：197 / 200
页数：4
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