摘要
通过Gleeble-1500D热模拟机获得AZ31镁合金的应力-应变曲线,采用DEFORM-3D软件对其等径角挤压过程进行了模拟,并分析了不同内圆角半径对挤压过程的应力和应变影响。结果表明,随着内圆角半径的增大,试样表面变得光滑,在内圆角处所受平均应力减小,试样的平均等效应变随之增大,中间稳定变形区域减小。
The stress-strain curves of AZ31 magnesium alloy were mapped by the Gleeble-1500D hot simulator. ECAE process for AZ31 magnesium alloy was simulated by the DEFORMA-3D software to understand effects of different internal fillet radiuses on stress and strain. The results reveal that with increasing in the internal fillet radius,the surface of the sample becomes smooth,and average stress in internal fillet is decreased with average equivalent strain increase,while the middle steady deformation zone becomes smaller.
出处
《特种铸造及有色合金》
CAS
CSCD
北大核心
2010年第6期511-513,共3页
Special Casting & Nonferrous Alloys
基金
山西省科技厅国际合作项目(20081019)
关键词
等径角挤压
AZ31
内圆角半径
数值模拟
ECAE,AZ31 Magnesium Alloy,Internal Fillet Radius,Numerical Simulation
