Microstructure-Property Relationship for Friction Stir Processed Magnesium Alloy

被引：8

作者：

Arora, Harpreet Singh ^{[1
]}

Grewal, Harpreet Singh ^{[2
]}

Singh, Harpreet ^{[2
]}

Dhindaw, Brij Kumar ^{[3
]}

McPhail, David ^{[4
]}

Shollock, Barbara ^{[4
]}

Chater, Richard ^{[4
]}

Mukherjee, Sundeep ^{[5
]}

机构：

[1] N Texas State Univ, Dept Mat Sci & Engn, Denton, TX 76203 USA

[2] Indian Inst Technol Ropar, Sch Mech Mat & Energy Engn, Rupnagar 140001, Punjab, India

[3] Indian Inst Technol, Sch Minerals Met & Mat Engn, Bhubaneswar 751001, Orissa, India

[4] Univ London Imperial Coll Sci Technol & Med, Dept Mat, London SW7 2AZ, England

[5] N Texas State Univ, Dept Mat Sci, Denton, TX 76203 USA

来源：

ADVANCED ENGINEERING MATERIALS | 2014年 / 16卷 / 01期

关键词：

MECHANICAL-PROPERTIES; GRAIN-REFINEMENT; STRENGTH; TEXTURE; SUPERPLASTICITY; EXTRUSION;

D O I：

10.1002/adem.201300205

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Friction stir processing (FSP) of Mg based AE42 alloy was performed under single pass as well as double pass conditions. The evolution of microstructure was investigated using electron back scatter diffraction (EBSD) analysis. EBSD revealed that the grain size and texture varies within the nugget zone of friction stir processed region. The variation of mechanical properties across the nugget region was evaluated using nanoindentation. Hardness and Young's modulus was found to increase along the depth of the friction stir processed specimen. This was attributed to a finer grain structure with increasing depth. The friction stir processed specimen showed higher tendency toward strain hardening compared to as-cast alloy. Understanding microstructure-property relationship paves the way for optimization of FSP conditions and development of advanced functional Mg alloys.

引用

页码：94 / 102

页数：9

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