| 有限变形条件下晶体弹-塑性应力应变关系 |
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| 引用本文： | 许月梅. 有限变形条件下晶体弹-塑性应力应变关系[J]. 太原理工大学学报, 1999, 30(3): 316-319 |
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| 作者姓名： | 许月梅 |
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| 作者单位： | 北京石油化工学院 |
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| 摘 要： | 考虑面立方晶体滑移特性，考虑晶格的传动，认为晶体的塑性变形是由滑移产生，且晶体内的弹性变形形不受滑移的影响，并建立了计算模型。采用微观力学的方法，用矩阵形式推广导了了Ｊａｕｍｅｎｎ应力率的增量型的晶体弹－塑性应力变关系。
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| 关 键 词： | 应力应变关系 有限变形 晶体 弹塑性 |
The Stress strain Relationship of Crystals with Large Elastic plastic Deformation |
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| Xu Yuemei. The Stress strain Relationship of Crystals with Large Elastic plastic Deformation[J]. Journal of Taiyuan University of Technology, 1999, 30(3): 316-319 |
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| Authors: | Xu Yuemei |
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| Affiliation: | Beijing Institute of Petro chemical Technology |
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| Abstract: | In this paper the micromechanical model of slip deformation process of crystals is proposed according to the slip characteristics of crystals.The constitutive relationship with the consideration of Jaumenn rate of Kirchhoff stress for elastic plastic crystals in incremental form are developed.The effect of rotation of crystal axes besides usual element rotation is taken into account. |
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| Keywords: | stress strain relationship large elastic plastic deformation crystal |
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