Achieving high strength-ductility synergy in a novel Mg-Bi-Sn-Mn alloy with bimodal microstructure by hot extrusion

被引：31

作者：

Luo, Yi-hao ^{[1
]}

Cheng, Wei-li ^{[1
,2
]}

Li, Hang ^{[1
,2
]}

Yu, Hui ^{[3
]}

Wang, Hong-xia ^{[1
,2
]}

Niu, Xiao-feng ^{[1
,2
]}

Wang, Li-fei ^{[1
,2
]}

You, Zhi-yong ^{[1
]}

Hou, Hua ^{[4
]}

机构：

[1] Taiyuan Univ Technol, Sch Mat Sci & Engn, Taiyuan 030024, Peoples R China

[2] Taiyuan Univ Technol, Minist Educ, Key Lab Interface Sci & Engn Adv, Taiyuan 030024, Peoples R China

[3] Hebei Univ Technol, Sch Mat Sci & Engn, Tianjin 300132, Peoples R China

[4] North Univ China, Sch Mat Sci & Engn, Taiyuan 030051, Peoples R China

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2022年 / 834卷

基金：

中国国家自然科学基金;

关键词：

Mg alloy; Extrusion; Tensile properties; Bimodal microstructure; Ultra-fine grains; MECHANICAL-PROPERTIES; EVOLUTION; TEXTURE; FINE;

D O I：

10.1016/j.msea.2022.142623

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A novel extruded Mg-5Bi-5Sn-1Mn alloy is developed and exhibits high yield strength (YS) of 446 MPa and ductility of 13.2%, resulting from the bimodal microstructure composed of coarse unDRXed grains with strong extrusion texture and dislocation storage capacity as well as ultra-fine DRXed grains (0.48 mu m).

引用

页数：6

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