| 各向异性薄板对角拉伸下的弹塑性皱曲分析 |
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| 引用本文： | 范淼海,周贤宾.各向异性薄板对角拉伸下的弹塑性皱曲分析[J].湖南大学学报(自然科学版),1994,21(5):37-41. |
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| 作者姓名： | 范淼海 周贤宾 |
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| 作者单位： | 湖南大学机械工程系，北京航空航天大学 |
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| 摘 要： | 本文应用Ｈｉｌｌ正交各向异性塑性理论和稳定的能量法则，推导出各向异性薄板在对角拉伸下皱曲的弹塑性稳定方程，并计算了两种材料ＬＹ１２Ｍ和ＳＰＣＥＮ的失稳临界值，理论计算与ＹＢＴ试验较吻合。
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| 关 键 词： | 皱曲 稳定性 拉伸试验 薄板 弹塑性 |
Analysis of Elastoplastic Bucking of Thin Anisotropic Sheet under Diagonal Stretching |
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| Fan Miaohai Zhouxianbin.Analysis of Elastoplastic Bucking of Thin Anisotropic Sheet under Diagonal Stretching[J].Journal of Hunan University(Naturnal Science),1994,21(5):37-41. |
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| Authors: | Fan Miaohai Zhouxianbin |
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| Abstract: | Based on Hill's theory of orthotropic anisotropic plasticity and the energy method in the theory of stability, a critical equation of elastoplastic buckling of ananisotropic sheet is established, which is useful in the analysis of wrinkling or bucklingcaused by non-uniform stretching in press forming. Two sheets, steel SPCEN and alu-minium alloy LY12M, are taken for examples to calculate the critical stress of instability. The results from calculation are in good agreement with those of YBT. |
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| Keywords: | buckling stability tensile test |
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