| 短纤维增强金属基复合材料应力分布的剪切滞后分析 |
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| 引用本文： | 连建设,江中浩,扬德庄,董尚利.短纤维增强金属基复合材料应力分布的剪切滞后分析[J].复合材料学报,1999,16(4):94-100. |
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| 作者姓名： | 连建设 江中浩 扬德庄 董尚利 |
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| 作者单位： | 吉林工业大学材料科学与工程学院 |
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| 基金项目： | 本文为国家杰出青年基金资助项目(59625012) |
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| 摘 要： | 使用弹性理论和剪切滞后分析, 推导出了基体和纤维应力场分布表达式, 研究了纤维体积分数、纤维长径比和基体屈服强度等对应力分布和应力传递的影响。研究表明, 基体和纤维应力分布及基体的塑性行为具有明显的不均匀性, 基体与纤维之间存在明显的应力传递和应变分配。关键词 金属基复合材料, 剪切滞后理论, 应力应变分布
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| 关 键 词： | 金属基复合材料 剪切滞后理论 应力应变分布 |
| 收稿时间： | 1998-04-28 |
| 修稿时间： | 1998-12-14 |
SHEAR LAG ANALYSIS OF STRESS DISTRIBUTION OF SHORT FIBER REINFORCED METAL MATRIX COMPOSITES |
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| Lian Jian-she,Jiang Zhong-hao,Yang De-zhuang,Dong Shang-li.SHEAR LAG ANALYSIS OF STRESS DISTRIBUTION OF SHORT FIBER REINFORCED METAL MATRIX COMPOSITES[J].Acta Materiae Compositae Sinica,1999,16(4):94-100. |
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| Authors: | Lian Jian-she Jiang Zhong-hao Yang De-zhuang Dong Shang-li |
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| Affiliation: | 1. School of Materials Science and Engineering, Jilin University of Technology, Changchun 130025;
2. School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001 |
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| Abstract: | The expressions for the stress field distributions in the matrix and the fiber were derived using the theory of elasticity and the shear lag theory. The effects of fiber volume fraction, fiber aspect ratio and matrix yield strength on the stress distributions and the stress transfer were investigated. It is shown that the stress distributions in the matrix and the fiber and the plastic behavior in the matrix are of significant non uniformity; there are significant stress transfer from the matrix to the fiber and the partition between the matrix and the fiber. |
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| Keywords: | metal matrix composites shear lag theory stress and strain |
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