Effects of hot extrusion on microstructure, texture and mechanical properties of Mg-5Li-3Al-2Zn alloy

被引：2

作者：

Hou, Legan ^{[1
]}

Wu, Ruizhi ^{[1
]}

Li, Jiqing ^{[1
]}

Zhang, Jinghuai ^{[1
]}

Zhang, Milin ^{[1
]}

Shang, Yongchen ^{[2
]}

Qu, Zhikun ^{[2
]}

机构：

[1] Harbin Engn Univ, Key Lab Superlight Mat & Surface Technol, Minist Educ, Harbin 150001, Peoples R China

[2] Harbin Normal Univ, Coll Chem & Chem Engn, Harbin 150025, Peoples R China

来源：

ADVANCES IN MATERIALS AND PROCESSING TECHNOLOGIES XV | 2014年 / 773-774卷

关键词：

Magnesium-lithium alloy; Slip; Texture; Grain refinement; Schmidt factor; MG-LI ALLOYS; AL-ZN ALLOY; DEFORMATION-BEHAVIOR; ECAP;

D O I：

10.4028/www.scientific.net/MSF.773-774.218

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This work mainly studied the effects of hot extrusion on microstructure, texture and mechanical properties of Mg-5Li-3Al-2Zn alloy. The results show that the microstructures of as-cast and as-extruded alloys both consist of alpha-Mg matrix and lamellar eutectic structure (alpha-Mg and AlLi phases). During the hot extrusion, the large eutectic structure of as-cast alloy was crushed into small eutectic structure and the grains were effectively refined. A {0002} basal texture was formed after hot extrusion. The as-extruded alloy exhibits remarkably improved tensile properties, which is mainly attributed to the grain refinement and the formation of texture.

引用

页码：218 / +

页数：3

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