| 三维多向编织复合材料弹性常数细观力学分析 |
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| 引用本文： | 庞宝君,吴培莲.三维多向编织复合材料弹性常数细观力学分析[J].哈尔滨工业大学学报,1999,31(3):51-55. |
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| 作者姓名： | 庞宝君 吴培莲 |
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| 作者单位： | [1]哈尔滨工业大学航天工程与力学系 [2]哈尔滨工业大学测试中心 |
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| 基金项目： | 国家教委留学回国人员基金 |
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| 摘 要： | 将纤维束和微裂纹分别看作是圆柱型和圆币型夹杂，采用效夹杂法对含微裂纹的三微多向编积复合材料进行细观力学分析，建立了含微裂纹三维多向编积复合材料预报弹性系数的方法，分析中直拉考虑了微裂纹的任意取向和增强纤维束的空间取向，该方法可以应用于一般含微纹的三维编织复合材料，也可以应用于单向纤维增强复合材料。
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| 关 键 词： | 编织复合材料 力学性能 弹性常数 细观力学 |
Micro-mechanics Analysis of Elastic Modulus of Three-dimensional Multi-directional Composites |
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| Pang Baojun, Du shanyi.Micro-mechanics Analysis of Elastic Modulus of Three-dimensional Multi-directional Composites[J].Journal of Harbin Institute of Technology,1999,31(3):51-55. |
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| Authors: | Pang Baojun Du shanyi |
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| Abstract: | Fiber rods and micro-cracks are considered as circular cylindrical and penny-shaped inclusions is this paper. The micro-mechanics analysis for the three-dimesional multi-directional braided composites with micro-cracks is Performed by using the eqUivalent inclusion method. The corresponding elastic modulus are calculated. With the micro-cracks with random distribution taken into account. Therefore, the present method can be applied to the three-dimensional multi-directional braided composites with micro-cracks, arbitrary shapes and random distribution as well. |
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| Keywords: | Braided composites mechancal properties equivalent method elastic modulus |
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