Effect of near-liquidus squeeze casting temperature on microstructure and mechanical property of AZ91D alloy differential support

被引：4
|
作者：
Zhao, Chunfang [1 ,2 ]
Xu, Hongyu [1 ]
Ji, Zesheng [1 ]
Liu, Wei [1 ]
Hu, Maoliang [1 ]
Jiang, Bo [1 ]
机构：
[1] Harbin Univ Sci & Technol, Sch Mat Sci & Engn, Harbin 150040, Peoples R China
[2] Lishui Vovat & Tech Coll, Sch Mech & Elect Engn, Lishui 323000, Zhejiang, Peoples R China
来源：
MATERIALS LETTERS | 2020年 / 270卷
基金：
中国国家自然科学基金;
关键词：
AZ91D alloy; Cast; Microstructure; Grain size; Mechanical property;
D O I：
10.1016/j.matlet.2020.127681
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of near-liquidus squeeze casting temperature on microstructure and mechanical property of AZ91D alloy differential support was studied. By increasing the pouring temperature, the grain size of die casting AZ91D alloy differential support increased, the grain morphology changed from spherical equiaxed grain to equiaxed dendrite, and the beta-Mg17Al12 phase changed from fine uniform distribution to large-area segregation. Furthermore, with the increase of pouring temperature, the tensile strength and elongation of the AZ91D alloy differential support both decreases. (C) 2020 Elsevier B.V. All rights reserved.
引用
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页数：4
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