冷轧高纯铝板深冲过程的率无关多晶体有限元分析

材料科学与工程学报, 2004, 22(4): 479-482. doi: 10.3969/j.issn.1673-2812.2004.04.003

冷轧高纯铝板深冲过程的率无关多晶体有限元分析

张少睿 ^1, , 李大永 ^2, , 罗应兵 ^3, , 彭颖红 ^4,

1.上海交通大学,机械工程学院,上海,200030

2.上海交通大学,机械工程学院,上海,200030

3.上海交通大学,机械工程学院,上海,200030

4.上海交通大学,机械工程学院,上海,200030

关键词：面心立方金属 , 率无关 , 织构 , 多晶体塑性模型

Analysis of the Rolled Sheet Metal during Deep Drawing with Rate-Independent FEM Model

金属材料的各向异性对板材成形性能具有很大影响.本文建立了率无关多晶体有限元模型,并将取向空间中的晶体取向分配给各个单元的积分点.从而对面心立方金属轧制板材冲压过程中制耳的大小和分布,采用晶体塑性有限元分析,并通过试验结果进行验证.高纯铝板在轧制过程主要形成高强的旋转立方织构,织构组分比较单一,因此具有明显的制耳现象,并且制耳呈45°方位.

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冷轧高纯铝板深冲过程的率无关多晶体有限元分析

Analysis of the Rolled Sheet Metal during Deep Drawing with Rate-Independent FEM Model

参考文献