| C/C-SiC机织复合材料尺度参数对力学性能的影响 |
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| 引用本文： | 汪海滨,张卫红,许英杰.C/C-SiC机织复合材料尺度参数对力学性能的影响[J].复合材料学报,2010,27(5):93-100. |
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| 作者姓名： | 汪海滨 张卫红 许英杰 |
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| 作者单位： | 西北工业大学中法并行工程联合实验室,现代设计与集成制造技术教育部重点实验室,西安710072 |
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| 基金项目： | 国家自然科学基金项目（50775184, 90916027, 10925212）; 高等学校学科创新引智计划项目（B07050） |
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| 摘 要： | 针对C/C-SiC纤维机织复合材料的特点,建立了C/C-SiC微结构有限元模型,并结合能量法研究了不同微结构关联参数对C/C-SiC机织复合材料宏观力学性能的影响。研究结果表明:本文中提出的C/C-SiC微结构有限元模型能够有效地反映C/C-SiC复合材料尺度关联参数对C/C-SiC力学性能的影响,纤维丝尺度的各个参数主要与C/C-SiC纤维束的力学性能相关联;纤维束尺度的各个参数主要与C/C-SiC宏观构件的整体性能相关联。
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| 关 键 词： | C/C-SiC复合材料 有限元模型 尺度关联参数 应变能量法 |
| 收稿时间： | 2009-10-15 |
| 修稿时间： | 2009-12-24 |
Effects of different scale parameters on effective modulus of woven C/C-SiC composites |
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| WANG Haibin,ZHANG Weihong,XU Yingjie.Effects of different scale parameters on effective modulus of woven C/C-SiC composites[J].Acta Materiae Compositae Sinica,2010,27(5):93-100. |
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| Authors: | WANG Haibin ZHANG Weihong XU Yingjie |
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| Affiliation: | WANG Haibin,ZHANG Weihong,XU Yingjie(Sino-French Laboratory of Concurrent Engineering,The Key Laboratory of Contemporary Design & Integrated Manufacturing Technology,Northwestern Polytechnical University,Xi'an 710072,China) |
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| Abstract: | A finite element model of C/C-SiC microstructure characterizing different scale parameters was established for the woven C/C-SiC composites.The strain energy method was used to study the effects of relevant parameters of the microstructure on the macroscopic performances of C/C-SiC composites.The numerical computing results were compared for many cases of C/C-SiC composites with different scale parameters.It is shown that the elastic properties of C/C-SiC composites are associated with the scale parameters ... |
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| Keywords: | C/C-SiC composites finite element model scale-related parameter strain energy-based method |
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