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Synchrotron X-ray tomographic characterization of CVI engineered 2D-woven and 3D-braided SiCf/SiC composites
Gao, YT; Wang, YD; Yang, XM; Liu, M; Xia, HH; Huai, P; Zhou, XT; Xia, HH (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
2016
Source PublicationCERAMICS INTERNATIONAL
ISSN0272-8842
Volume42Issue:15Pages:17137-17147
Subtype期刊论文
AbstractThe 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.
KeywordX-ray Microtomography Sicf/sic Composites Porosity
DOI10.1016/j.ceramint.2016.08.001
Indexed BySCI
Language英语
WOS IDWOS:000384784100092
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/26645
Collection中科院上海应用物理研究所2011-2018年
Corresponding AuthorLiu, M; Xia, HH (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
Recommended Citation
GB/T 7714
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,2016,42(15):17137-17147.
APA Gao, YT.,Wang, YD.,Yang, XM.,Liu, M.,Xia, HH.,...&Xia, HH .(2016).Synchrotron X-ray tomographic characterization of CVI engineered 2D-woven and 3D-braided SiCf/SiC composites.CERAMICS INTERNATIONAL,42(15),17137-17147.
MLA Gao, YT,et al."Synchrotron X-ray tomographic characterization of CVI engineered 2D-woven and 3D-braided SiCf/SiC composites".CERAMICS INTERNATIONAL 42.15(2016):17137-17147.
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