采用Unigraphics.NX4.0建立了等径角挤压的几何模型,使用有限元软件DEFORM-3D对铝合金6062在不同摩擦凶数、不同挤压速度下的ECAP过程进行模拟.获得相应的载荷时间曲线、等效应力应变分布、速度场分布和挤压后晶粒分布,并进行分析,为以后的研究提供理论指导.
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