魏伟,陈光

• 1:南京理工大学金属纳米材料与技术联合实验室
• 2:南京理工大学金属纳米材料与技术联合实验室 南京210094
• 3:南京210094

摘要(Abstract)：

等径角挤压 (EqualChannelAngularPressing ,ECAP)是一种利用纯剪切变形细化晶粒的大塑性变形加工方法 ,已引起人们的极大关注。给出了等径角挤压变形过程中的主要工艺参数 ,包括有效应变、模具角度、变形途径、挤压速度、挤压温度、挤压道次、剪切方向等的选择对纳米材料的结构与性能的影响 ,并评述了等径角挤压变形过程的有限元模拟结果。

关键词(KeyWords)： 等径角挤压;大塑性变形;纳米结构材料

Abstract:

Keywords:

基金项目(Foundation): 江苏省自然科学基金项目 (BK2 0 0 10 5 3 )

作者(Author): 魏伟,陈光

Email:

DOI: 10.14024/j.cnki.1004-244x.2002.06.017

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