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

页码：546 / 551

页数：6

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