热力耦合刚粘塑性有限元在铝合金热锻中的应用  

Coupled Thermo-Mechanical FEM Analysis of Auminum Alloy Frging

作　　者：吴丽平[1] 刘建雄[1] 廖丕博[1] 

机构地区：[1]昆明理工大学模具新技术研究所,云南昆明650093

出　　处：《热加工工艺》2005年第11期59-60,64,共3页Hot Working Technology

摘　　要：由于铝合金的锻造温度范围很窄,金属热锻过程中温度和变形又存在显著的相互影响,所以必须结合塑性变形流动和热效应来分析铝合金热锻成形过程。运用热力耦合刚粘性有限元对铝合金热锻成形进行数值模拟,可以优化工艺参数和预测可能出现的缺陷。ue to the limited small range of aluminum alloy＇s forging temperature, and the large interaction between temperature and deformation during the forging process, we must use the plastic deformation together with heat effection to analyze the forging process for aluminum alloy. Using the rigid visco-plastic Finite Element Method can optimize the technological parameter and forecast the defection.

关 键 词：热力耦合 塑性有限元 热锻 数值模拟 

分 类 号：TG319[金属学及工艺—金属压力加工]