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首页> 外文期刊>Journal of testing and evaluation >The Effects of Anisotropic Yield Functions on Plastic Behavior of 304 Stainless Steel
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The Effects of Anisotropic Yield Functions on Plastic Behavior of 304 Stainless Steel

机译：各向异性屈服函数对304不锈钢塑性行为的影响

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摘要

The effects of anisotropic yield functions on plastic behavior of 304 stainless steel were investigated in this study. Two yield functions were considered: Hill'48 and Barlat89. Uniaxial tensile tests were carried out 0 degrees, 45 degrees, and 90 degrees from the rolling direction to determine the mechanical properties of the material. The planar distributions of yield stress and the anisotropy coefficient were predicted using the yield models and compared with the experimental results. Subsequent yield surfaces of Hill'48 and Barlat89 were investigated and compared with each other. Deep drawing of a double bowl sink and its simulation were carried out in order to evaluate the prediction ability of the two functions under complex loading conditions. It has been observed that predicted results from Barlat89 criterion showed good agreement with experimental data.
机译：研究了各向异性屈服函数对304不锈钢塑性行为的影响。考虑了两个收益函数：Hill'48和Barlat89。从轧制方向进行0度，45度和90度的单轴拉伸试验，以确定材料的机械性能。利用屈服模型预测了屈服应力的平面分布和各向异性系数，并与实验结果进行了比较。随后对Hill'48和Barlat89的屈服面进行了研究并进行了比较。为了评估这两个函数在复杂载荷条件下的预测能力，对双盆水槽进行了深冲及其仿真。据观察，Barlat89标准的预测结果与实验数据显示出良好的一致性。

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