| 考虑纤维端头脱粘的金属基复合材料轴向弹塑性拉伸性能的研究* |
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| 引用本文： | 苏晓风,陈浩然.考虑纤维端头脱粘的金属基复合材料轴向弹塑性拉伸性能的研究*[J].应用数学和力学,1996,17(8):685-688. |
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| 作者姓名： | 苏晓风 陈浩然 |
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| 作者单位： | 大连理工大学工程力学研究所, 大连 116023 |
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| 摘 要： | 本文建立在广义自洽有限元迭代平均化方法的基础上,分析了纤维端头脱粘对SiC晶须增强铝基复合材料的轴向弹塑性拉伸性能的影响.分别计算了不同纤维长径比与体分比下有纤维端头脱粘情况的金属基复合材料的轴向拉伸性能.并与界面完好的情况相对比,得出了纤维端头脱粘的影响随纤维长径比增大而减小,和随纤维体分比增大而增大的结论.
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| 关 键 词： | 脱粘 金属基复合材料 弹塑性 广义自洽方法 有限元方法 |
| 收稿时间： | 1995-05-11 |
A Study of the Elasto-Plastic Axially Tensile Properties of Metal Matrix Composites with Fiber-End Debonding |
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| Su Xiaofeng, Chen Haoran.A Study of the Elasto-Plastic Axially Tensile Properties of Metal Matrix Composites with Fiber-End Debonding[J].Applied Mathematics and Mechanics,1996,17(8):685-688. |
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| Authors: | Su Xiaofeng Chen Haoran |
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| Institution: | Research Inslitute of Engineering Mechianics, Dalian University of Technology, Dalian 116023, P. R. Chilla |
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| Abstract: | Based on the generalized self-consistent finlie element iterative averaging method, this paper studied the affects of the fiber-and debonding on the axiallytensile elasto-plastic properties of SiC whiskers reinforced Aluminium matrix composite for various cases of different fiber' s aspect ratios and volume fractions. Compared with the cases of perfect interface, it could be concluded that the effects of fiber-and debonding will become weaker with the fiber aspect ratio increasing and greater as the fiber volume fraction increases. |
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| Keywords: | debonding metal matrix composites elastoplasticity generalized selfconsistent method finite element method |
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