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  4. 等通道挤压工艺的有限元模拟研究进展

材料导报, 2011, 25(15): 127-130.

等通道挤压工艺的有限元模拟研究进展

张丁非 1, , 张钧萍 2, , 胡红军 3, , 汤安 4,

1.镁合金国家研究中心,重庆400044;重庆大学材料科学与工程学院,重庆400045;

2.重庆大学材料科学与工程学院,重庆400045;

3.重庆大学材料科学与工程学院,重庆400045;重庆理工大学材料与科学工程系,重庆400050

4.重庆大学材料科学与工程学院,重庆400045;

基金项目:   国家“十一五”科技支撑计划重点项目(2007BAG06B04)   重庆大学研究生科技创新基金(CDJXS10130009)   国家杰出青年科学基金(50725413)   国家“973”重大基础研究项目(2007CB613700)  

关键词： ECAP , FEM , 模具结构 , 摩擦 , 工艺条件

Development of ECAP Process by FEM

利用有限元法可以模拟ECAP工艺.综述了近年ECAP工艺的FEM研究成果,主要包括模具结构、摩擦、工艺条件几个因素的模拟分析.分析表明,优化磨具结构以及选取适当的工艺条件(如增加道次、选取C路径)可以减小死区、增加变形均匀性,摩擦对均匀性与死区的影响比较复杂.最后介绍了一些新型ECAP工艺的FEM研究进展.

参考文献

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