对7050铝合金等通道多次转角挤压(equal-channel angular pressing,简称ECAP)过程中的变形行为进行三维有限元模拟,并研究了挤压过程中等效应变的演化以及载荷-位移曲线变化.为开发多道次ECAP工艺的模具设计、工艺参数提供理论指导依据.
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