AZ40M镁合金方形孔轴类零件热挤压数值模拟  

Numerical Simulation for the AZ40M Magnesium Alloy Axis Part with a Square Hole on the End

作　　者：甘树德[1,2] 夏华[1] 杜长华[1,2] 郭小龙[1] 

机构地区：[1]重庆理工大学材料科学与工程学院,重庆400054 [2]重庆理工大学重庆市特种焊接材料与技术工程中心,重庆400054

出　　处：《重庆理工大学学报（自然科学）》2014年第4期47-49,共3页Journal of Chongqing University of Technology：Natural Science

基　　金：重庆高校优秀成果转化资助项目(kjzh11215)

摘　　要：采用DEFORM-3D软件对AZ40M镁合金方形孔轴类零件热挤压成形过程进行三维有限元热力耦合模拟,逐步分析了整个成形过程中的等效应力应变场变化、晶粒尺寸、动态再结晶分数变化等,为确定和优化AZ40M镁合金复杂零件锻造工艺提供了科学依据。The three dimensional thermo-mechanical coupled simulation of the axis part with a square hole on the end hot extrusion process is carried out by using the finite element method simulation soft- ware DEFORM-3D to analyze and solve the problems encountered in the forming process. This paper analyzed the situation of metal equivalent stress and strain field, grain size and dynamic recrystalliza- tion in whole forming process to provide the theory basis and guidance to optimize the hot forging process of magnesium alloys parts with complicated shape.

关 键 词：AZ40M镁合金 方形孔 晶粒尺寸 动态再结晶 

分 类 号：TH16[机械工程—机械制造及自动化]