Prediction of formability for magnesium alloy sheet using finite element polycrystal model

被引：0
|
作者：
Won, Sung Yeun
You, Bong Sun
Kim, Young Suk
Yang, Seung Han
机构：
[1] POSCO, Tech Res Labs, Pohang 790785, Gyeongbuk, South Korea
[2] KIMM, Dept Mat Technol, Chang Won 641831, Kyeongnam, South Korea
[3] Kyungpook Natl Univ, Sch Mech Engn, Taegu 702701, South Korea
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2006年 / 20卷 / 25-27期
关键词：
magnesium alloy sheet; AZ31; finite element polycrystal model; limiting drawing ratio;
D O I：
10.1142/S0217979206041318
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this study, in order to analyze deformation mechanism in rolling process and predict its yield surface finite element polycrystal model (FEPM) has been developed. Also numerical simulations for deep drawing process of AZ31 magnesium sheet were conducted at elevated temperature. Numerical simulation results for rolling process were compared with experiments of pole figure. For yield surface, the results indicated shift of yield surface along the biaxial strain direction denoting Bauschinger effect and strong anisotropic which is advantageous to deep drawing. Simulation results for limiting drawing ration (LDR) in cup drawing simulation agreed well with experimental observations.
引用
收藏
页码：4335 / 4340
页数：6
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