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题名:
Synchrotron X-ray tomographic characterization of CVI engineered 2D-woven and 3D-braided SiCf/SiC composites
作者: Gao, YT; Wang, YD; Yang, XM; Liu, M; Xia, HH; Huai, P; Zhou, XT
刊名: CERAMICS INTERNATIONAL
出版日期: 2016
卷号: 42, 期号:15, 页码:17137-17147
关键词: X-ray Microtomography ; SiCf/SiC composites ; Porosity
DOI: 10.1016/j.ceramint.2016.08.001
通讯作者: Liu, M ; Xia, HH (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
文章类型: 期刊论文
英文摘要: The properties of ceramic matrix composites strongly depend upon their complex internal structures. To better understand and improve the properties of the silicon carbide fiber-reinforced silicon carbide matrix composites (SiCf/SiC), we explored the microstructural properties of composites reinforced with either two-dimensional (2D) woven or three-dimensional (3D) braided preforms using synchrotron X-ray computed microtomography. Transects and volumetric images of the composites were reconstructed from objection images and the microstructures were investigated in three spatial directions. The network of void space in a composites was visualized in 3D and quantitative analysis of the porosity was performed to characterize the fiber-tissue structures. 2D-woven SiCf/SiC composite exhibited important fluctuations of porosity in different directions and the stacking of plies had a significant effect on the porosity distribution. In contrast, 3D-braided SiCf/SiC composites showed much less variation of porosity. We found the degree of densification of the composite also influenced the porosity distribution. (C) 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000384784100092
ISSN号: 0272-8842
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/26645
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Gao, YT,Wang, YD,Yang, XM,et al. Synchrotron X-ray tomographic characterization of CVI engineered 2D-woven and 3D-braided SiCf/SiC composites[J]. CERAMICS INTERNATIONAL,2016-01-01,42(15):17137-17147.
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