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Properties and microstructure evolution of Cf/SiC composites fabricated by polymer impregnation and pyrolysis (PIP) with liquid polycarbosilane
Zhong, Hao1,2,3; Wang, Zhen1,2; Zhou, Haijun1,2; Ni, Dewei1,2; Kan, Yanmei1,2; Ding, Yusheng1,2; Dong, Shaoming1,2,4
2017
发表期刊Ceramics International
ISSN02728842
卷号43期号:10页码:7387-7392
摘要In the present study, a novel liquid polycarbosilane (LPCS) with a ceramic yield as high as 83% was applied to develop 3D needle-punched Cf/SiC composites via polymer impregnation and pyrolysis process (PIP). The cross-link and ceramization processes of LPCS were studied in detail by FT-IR and TG-DSC; a compact ceramic was obtained when LPCS was firstly cured at 120 °C before pyrolysis. It was found that the LPCS-Cf/SiC composites possessed a higher density (2.13 g/cm3) than that of the PCS-Cf/SiC composites even though the PIP cycle for densification was obviously reduced, which means a higher densification efficiency. Logically, the LPCS-Cf/SiC composites exhibited superior mechanical properties. The shorter length and rougher surfaces of pulled-out fibers indicated the LPCS-Cf/SiC composites to possess a stronger bonding between matrix and PyC interphase compared with the PCS-Cf/SiC composites. © 2017 Elsevier Ltd and Techna Group S.r.l.
DOI10.1016/j.ceramint.2017.02.100
EI入藏号20171503551432
EI主题词Microstructure
EI分类号461.1 Biomedical Engineering - 802.2 Chemical Reactions - 812.1 Ceramics - 815.1.2 Inorganic Polymers - 951 Materials Science
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25875
专题中国科学院上海硅酸盐研究所
作者单位1.State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 200050, China;
2.Structural Ceramics and Composites Engineering Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 200050, China;
3.Graduate University of Chinese Academy of Sciences, Beijing; 100049, China;
4.Shanghai Institute of Materials Genome, Shanghai; 200050, China
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Zhong, Hao,Wang, Zhen,Zhou, Haijun,et al. Properties and microstructure evolution of Cf/SiC composites fabricated by polymer impregnation and pyrolysis (PIP) with liquid polycarbosilane[J]. Ceramics International,2017,43(10):7387-7392.
APA Zhong, Hao.,Wang, Zhen.,Zhou, Haijun.,Ni, Dewei.,Kan, Yanmei.,...&Dong, Shaoming.(2017).Properties and microstructure evolution of Cf/SiC composites fabricated by polymer impregnation and pyrolysis (PIP) with liquid polycarbosilane.Ceramics International,43(10),7387-7392.
MLA Zhong, Hao,et al."Properties and microstructure evolution of Cf/SiC composites fabricated by polymer impregnation and pyrolysis (PIP) with liquid polycarbosilane".Ceramics International 43.10(2017):7387-7392.
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