Microstructure and elevated temperature mechanical properties of Mg-6Gd-3Y-0.5Zr alloy cast by PEP-SET sand mold

被引：1
|
作者：
Huang, Y. J. [1 ,2 ]
Wang, Y. F. [3 ]
Zhang, S. Y. [1 ,4 ]
Zhang, G. L. [4 ]
Cao, F. Y. [1 ,2 ]
Sun, J. F. [1 ,2 ]
Ning, Z. L. [1 ,2 ]
机构：
[1] Harbin Inst Technol, Sch Mat Sci & Engn, Harbin, Peoples R China
[2] Harbin Inst Technol, Natl Key Lab Precis Hot Proc Met, Harbin, Peoples R China
[3] China Acad Space Technol, Tianjin Inst Aerosp Elect & Mech Equipment, Tanjing, Peoples R China
[4] Contemporary Amperex Technol Co Ltd, Ningde, Peoples R China
来源：
INTERNATIONAL JOURNAL OF MATERIALS RESEARCH | 2021年 / 112卷 / 07期
关键词：
Mg-6Gd-3Y-0.5Zr alloy; Sand cast; Microstructure; Mechanical properties; MG-GD; CREEP-PROPERTIES; HEAT-TREATMENT; ZR ALLOY; PRECIPITATION; MAGNESIUM; STRENGTH; ZN; ND; EVOLUTION;
D O I：
10.1515/ijmr-2020-8091
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The present work cast a complex Mg-6Gd-3Y0.5Zr alloy component in a polybenzylic ether phenolic resin (PEP-SET) sand mold using by differential pressure casting. Microstructural characterization was carried out on the castings in the states of as-cast, solution treatment and aging treatment. Their mechanical properties were examined at elevated temperatures. The studied Mg alloy showed noticeably high tensile strengths up to 473 K, followed by a significant decrease with further increasing the testing temperatures. Its mechanical properties at elevated temperatures were compared with those of WE43 alloy fabricated under identical casting conditions.
引用
收藏
页码：546 / 551
页数：6
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