Hot Compression Deformation Behavior of Mg-Gd-Nd-Zr Heat-Resistant Magnesium Alloy

被引：1
|
作者：
Xin, Yanhui [1 ]
Li, Quan-an [1 ,2 ]
机构：
[1] Henan Univ Sci & Technol, Sch Mat Sci & Engn, Luoyang 471023, Peoples R China
[2] Collaborat Innovat Ctr Nonferrous Met Henan Prov, Luoyang, Henan, Peoples R China
来源：
INTERNATIONAL CONFERENCE ON MATERIALS SCIENCES AND NANOMATERIALS | 2017年 / 230卷
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1088/1757-899X/230/1/012017
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The hot compression deformation of Mg-12Gd-2.5Nd-0.5Zr heat-resistant magnesium alloy was carried out on Gleeble-1500D thermo-mechanical simulator with the strain rate range of 0.002-1 s(-1), the deformation temperature range of 623-773 K and maximum strain of 50 %. The results show that true stress decreases with the increase of deformation temperature at a constant strain rate, and the true stress increases with the increase of strain rate at a same temperature. The deformation constitutive equation was established, and the hot deformation activation energy of 292.679 kJ/mol is determined.
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页数：6
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