| C/SiC-W复合材料的制备与表征 |
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| 引用本文： | 童长青,成来飞,张立同,徐永东.C/SiC-W复合材料的制备与表征[J].航空材料学报,2006,26(3):152-156. |
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| 作者姓名： | 童长青 成来飞 张立同 徐永东 |
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| 作者单位： | 西北工业大学,超高温结构复合材料国防科技重点实验室,西安,710072 |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | 采用化学气相渗透(CVI)结合溶液浸渍法制备C/SiC-W多元基复合材料,利用XRD和SEM对材料的物相组成及微观结构进行表征,并对制备过程的反应机理进行初步探讨.结果表明,W在复合材料中成颗粒团聚状,它不仅能渗入到复合材料的纤维束间,还渗入到纤维束内.制得C/SiC-W复合材料的密度为4.1g/cm3,开气孔率为12%.
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| 关 键 词： | C/SiC-W复合材料 多元基体 溶液浸渍 |
| 文章编号： | 1005-5053(2006)03-0152-05 |
| 修稿时间： | 2006年2月20日 |
Processing and Characterization of Multi-Phase Matrix C/SiC-W Composite |
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| TONG Chang-qing,CHENG Lai-fei,ZHANG Li-tong,XU Yong-dong.Processing and Characterization of Multi-Phase Matrix C/SiC-W Composite[J].Journal of Aeronautical Materials,2006,26(3):152-156. |
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| Authors: | TONG Chang-qing CHENG Lai-fei ZHANG Li-tong XU Yong-dong |
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| Abstract: | A multi-phase matrix C/SiCW composite was prepared by combining chemical vapor infiltration(CVI) technology with solution impregnation method.The phase composition and microstructure of the composite were identified and characterized by XRD and EDS methods,respectively.Reaction mechanism was discussed primarily.The results show that agglomerate tungsten particles are found to infiltrate the pores among the fiber bundles,also among the filaments.The density and open porosity of the C/SiC-W composite are 4.1g/cm~3 and 12%,respectively. |
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| Keywords: | C/ SiC-W composite multi-phase matrix solution infiltration |
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