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Stress Variation in Deep Drawn 1017 Aluminum Alloy

机译:深拉1017铝合金的应力变化

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The qualitative analysis of the elastic-plastic behavior of metal sheet is usually performed by finite element methods. These methods are often complicated because of large computational requirements associated with the use of realistic models. In this paper, an effective model based on the macro-mechanical properties of the metal blank and tool geometry is used to describe the anisotropic plastic flow of the metal sheet in plane stress condition. The model is derived from the fundamental deflection equation of beam/column. The model used to optimize the stamping process is designed to be as close to realistic forming conditions as possible.
机译:通常通过有限元方法对金属薄板的弹塑性行为进行定性分析。由于与使用实际模型相关的大量计算需求,因此这些方法通常很复杂。在本文中,基于金属毛坯的宏观力学特性和工具几何形状的有效模型用于描述平面应力条件下金属板的各向异性塑性流动。该模型是从梁/柱的基本挠度方程导出的。用于优化冲压过程的模型被设计为尽可能接近实际的成型条件。

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