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个人信息Personal Information
教授
博士生导师
硕士生导师
任职 : 中国体视学会材料科学分会理事;中国体视学会金相分会理事
性别:男
毕业院校:东北大学
学位:博士
所在单位:材料科学与工程学院
学科:材料学
办公地点:新三束实验室(4号楼)305
联系方式:13390512391
电子邮箱:wynmm@dlut.edu.cn
Modeling of severe deformation and mechanical properties in Mg-3Al-1Zn alloy through asymmetric hot-extrusion
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论文类型:期刊论文
发表时间:2008-12-01
发表刊物:TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
收录刊物:SCIE、EI、ISTIC、Scopus
卷号:18
期号:,1
页面范围:S257-S262
ISSN号:1003-6326
关键字:magnesium alloy; asymmetric extrusion; rigid-plastic FEM; texture; mechanical properties
摘要:One-pass asymmetric hot extrusion performed at 673 K was applied to fabricate an AZ31 magnesium alloy sheet. Finite element method (FEM) was used to model the process of asymmetric hot-extrusion. Simulation results indicate that strain rate gradient through the thickness introduced a grain size gradient along the thickness direction and shear deformation during the asymmetric hot-extrusion results in weakened and tilted (0002) basal texture. The asymmetric hot extrusion effectively weakens the basal texture and improves the ductility at room temperature.