Effects of Electric Pulse Modification on the Hot Tearing of Al-5%Cu-0.8%Mn Alloy

被引：1
|
作者：
Wang, Bing [1 ]
Tang, Lidan [1 ]
Wang, Jianzhong [1 ]
Qi, Jingang [1 ]
机构：
[1] Liaoning Univ Technol, Dept Mat Sci & Engn, Jinzhou 121001, Peoples R China
来源：
MATERIALS AND MANUFACTURING, PTS 1 AND 2 | 2011年 / 299-300卷
关键词：
hot tearing; electric pulse modification; refining;
D O I：
10.4028/www.scientific.net/AMR.299-300.399
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
It was investigated that the effect of electric pulse modification (EPM) on the hot tearing of Al-5%Cu-0.8%Mn alloy. The results indicate that hot tearing tendency of all samples can be reduced treated by electric pulse with different parameters, moreover, hot tearing stress of alloy with EPM was enhanced 3 times or so than that of samples without treatment. Decreasing the quantity of eutectic in grain boundaries, decreasing the end-solidifying temperature of the alloys, and refining the grains are main causations for increasing hot tearing resistance of Al-5%Cu-0.8%Mn alloy by electric pulse modification.
引用
收藏
页码：399 / 402
页数：4
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