| 3DC／SiC复合材料基体裂纹间距分布规律 |
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| 引用本文： | 张钧,徐永东,张立同,成来飞,董宁.3DC／SiC复合材料基体裂纹间距分布规律[J].航空材料学报,2003,23(3):11-14. |
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| 作者姓名： | 张钧 徐永东 张立同 成来飞 董宁 |
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| 作者单位： | 西北工业大学凝固技术国家重点实验室,陕西,西安,710072 |
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| 摘 要： | 采用χ~2拟合优度检验方法对不同界面层厚度的3D C/SiC复合材料基体中裂纹分布进行了研究,结果表明,3D C/SiC复合材料纤维束间基体裂纹间距服从正态分布,而且这种分布是由3D复合材料的编织方式决定的。
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| 关 键 词： | C/SiC复合材料 基体 裂纹间距 |
| 文章编号： | 1005-5053(2003)03-0011-04 |
| 修稿时间： | 2002年10月17 |
The matrix crack spacing distribution of 3D C/SiC composites |
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| ZHANG Jun,XU Yong-dong,ZHANG Li-tong CHENG Lai-fei,DONG Ning.The matrix crack spacing distribution of 3D C/SiC composites[J].Journal of Aeronautical Materials,2003,23(3):11-14. |
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| Authors: | ZHANG Jun XU Yong-dong ZHANG Li-tong CHENG Lai-fei DONG Ning |
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| Abstract: | Cracks are inevitably brought in matrix since the CTE mismatch between carbon fiber and SiC matrix during the manufacture of C/SiC composites. In this paper, the distribution of matrix cracks in 3D C/SiC composites with different thickness interphase is studied by x2 goodness of fittest, and it is showed that the matrix crack spacing between tows in 3D C/SiC composites obey normal distribution which is determined by the basketry of 3D composites. |
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| Keywords: | C/SiC composites matrix crack spacing |
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