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Interphase degradation of three-dimensional Cf/SiC–ZrC–ZrB2composites fabricated via reactive melt infiltration
Chen, Xiaowu1,2,3; Feng, Qian4; Gao, Le1,2; Zhang, Xiangyu1,2; Dong, Shaoming1,2; Wang, Jingxiao1,2; Zhong, Qiang1,2,3; Kan, Yanmei1,2; Ni, Dewei1,2
2017
Source PublicationJournal of the American Ceramic Society
ISSN00027820
Volume100Issue:10Pages:4816-4826
AbstractLayer-structured interphase, existing between carbon fiber and ultrahigh-temperature ceramics (UHTCs) matrix, is an indispensable component for carbon fiber reinforced UHTCs matrix composites (Cf/UHTCs). For Cf/UHTCs fabricated by reactive melt infiltration (RMI), the interphase inevitably suffers degradation due to the interaction with the reactive melt. Here, Cf/SiC–ZrC–ZrB2composite was fabricated by reactive infiltration of ZrSi2melt into sol-gel prepared Cf/B4C–C preform. (PyC–SiC)2interphase was deposited on the fiber to investigate the degradation mechanism under ZrSi2melt. It was revealed that the degraded interphase exhibited typical features of Zr aggregation and SiC residuals. Moreover, the Zr species diffused across the interphase and formed nanosized ZrC phase inside the fiber. A hybrid mechanisms of chemical reaction and physical melting were proposed to reveal the degradation mechanism according to characterization results and heat conduction calculations. Based on the degradation mechanism, a potential solution to mitigate interphase degradation is also put forward. © 2017 The American Ceramic Society
DOI10.1111/jace.14983
EI Accession Number20172503794441
EI KeywordsBoron compounds
EI Classification Number549.3 Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals - 641.2 Heat Transfer - 802.2 Chemical Reactions - 804 Chemical Products Generally - 804.2 Inorganic Compounds - 812.1 Ceramics
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25757
Collection中国科学院上海硅酸盐研究所
Affiliation1.State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China;
2.Structural Ceramics and Composites Engineering Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, China;
3.University of Chinese Academy of Sciences, Beijing, China;
4.Analysis and Testing Center, Donghua University, Shanghai, China
Recommended Citation
GB/T 7714
Chen, Xiaowu,Feng, Qian,Gao, Le,等. Interphase degradation of three-dimensional Cf/SiC–ZrC–ZrB2composites fabricated via reactive melt infiltration[J]. Journal of the American Ceramic Society,2017,100(10):4816-4826.
APA Chen, Xiaowu.,Feng, Qian.,Gao, Le.,Zhang, Xiangyu.,Dong, Shaoming.,...&Ni, Dewei.(2017).Interphase degradation of three-dimensional Cf/SiC–ZrC–ZrB2composites fabricated via reactive melt infiltration.Journal of the American Ceramic Society,100(10),4816-4826.
MLA Chen, Xiaowu,et al."Interphase degradation of three-dimensional Cf/SiC–ZrC–ZrB2composites fabricated via reactive melt infiltration".Journal of the American Ceramic Society 100.10(2017):4816-4826.
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