| 圆腔凹模液压胀形正交异性板试件顶点的主应力差的预测 |
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| 引用本文： | 周维贤. 圆腔凹模液压胀形正交异性板试件顶点的主应力差的预测[J]. 材料研究学报, 1992, 6(1): 33-38 |
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| 作者姓名： | 周维贤 |
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| 作者单位： | 西北工业大学1001教研室 教授，西安市 710072 |
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| 基金项目： | 国家自然科学基金,5870065 |
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| 摘 要： | 依据圆腔凹模中液压胀形件顶点材料的变形,是在其板面内的两个主应力同等作用下进行的。本文应用最近发展的塑性异性理论,建立了这两个主应力的差值的预测式。对几种金属板料的计算和实验验证表明,预测结果良好,精度是令人满意的。
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| 关 键 词： | 正交异性板 液压胀形 试件顶点 主应力差 |
| 收稿时间： | 1992-02-25 |
| 修稿时间： | 1992-02-25 |
PREDICTION OF QUANTITATIVE DIFFERENCE BETWEEN THE TWO PRINCIPAL STRESSES AT THE POLE OF A BULGING SPECIMEN IN A DIE WITH CIRCULAR CAVITY |
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| ZHOU Weixian. PREDICTION OF QUANTITATIVE DIFFERENCE BETWEEN THE TWO PRINCIPAL STRESSES AT THE POLE OF A BULGING SPECIMEN IN A DIE WITH CIRCULAR CAVITY[J]. Chinese Journal of Materials Research, 1992, 6(1): 33-38 |
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| Authors: | ZHOU Weixian |
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| Affiliation: | Northwestern Polytechnical University |
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| Abstract: | According to the characteristics that the two principal stresses in plane at thepole of a bulging speciman in a die with circular cavity are playing equally important role inleading the deforming of material here,a method predicting the quantitative diffe |
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| Keywords: | orthotropic sheet bulging pole of a specimen difference between principal stresses |
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