Effects of Centrifugal Casting and Hot Rolling on Microstructure and Mechanical Properties of Mg-10Gd-3Y-1Sn Alloy

被引：0
作者：
Ma Zhenduo [1 ,2 ]
Yang Yan [1 ,2 ]
Peng Qiang [1 ,2 ]
Fu Xuesong [1 ,2 ]
Wei Guobing [1 ,2 ]
Xie Weidong [1 ,2 ]
Peng Xiaodong [1 ,2 ]
机构：
[1] Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R China
[2] Chongqing Univ, Natl Engn Res Ctr Magnesium Alloys, Chongqing 400044, Peoples R China
来源：
RARE METAL MATERIALS AND ENGINEERING | 2022年 / 51卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Mg-10Gd-3Y-1Sn alloy; centrifugal casting; microstructure; mechanical properties; MG; MAGNESIUM; BEHAVIOR;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The Mg-10Gd-3Y-ISn alloys were prepared by centrifugal casting and hot rolling, and their microstructure and mechanical properties were investigated by X-ray diffraction, optical microscope, scanning electron microscope, and tensile tests. Results show that the centrifugal-cast Mg-10Gd-3Y-1Sn alloy consists of alpha-Mg, Mg-24(Gd, Y)(5), Mg-2(Sn, Y),G(12, and Mg-3(Gd, Y) phases. With increasing the centrifugal radius and rotation speed, the tensile strength of alloys is increased gradually due to the decreased grain size of alloys. The ultimate tensile strength of as-rolled alloys after centrifugal casting with the rotation speed of 700 r/min is 304 and 296 MPa at room temperature and 300 degrees C, respectively. The improved tensile strength of Mg-10Gd-3Y-ISn alloy at elevated temperatures mainly results from the Mg-24(Gd, 5,Mg-2(Sn, Y)(3)Gd-2, and Mg-3(Gd, Y) phases with excellent thermal stability.
引用
收藏
页码：858 / 865
页数：8
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