The effects of the loading path,the friction coefficient,the strain hardening exponent and the anisotropic coefficient on the corner filling process through the hydroforming process in a square-sectional die were explored.
以方形零件为例,研究了液压胀形过程中加载路径、摩擦系数、加工硬化指数和厚向异性系数对圆角填充性能的影响规律,采用3种不同的加载路径在由上海交通大学研制的计算机控制液压胀形机上进行试验,并采用动力显式有限元软件LS-Dyna对液压胀形过程进行仿真。
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