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Effect of interphase on mechanical properties and microstructures of 3D C-f/SiBCN composites at elevated temperatures
Ding, Qi; Ni, Dewei; Wang, Zhen; Kan, Yanmei; He, Ping; Zhang, Xiangyu; Ding, Yusheng; Dong, Shaoming
2019-06-01
Source PublicationJOURNAL OF THE AMERICAN CERAMIC SOCIETY
ISSN0002-7820
Volume102Issue:6Pages:3630
SubtypeArticle
AbstractInterphase between the fibers and matrix plays a key role on the properties of fiber reinforced composites. In this work, the effect of interphase on mechanical properties and microstructures of 3D C-f/SiBCN composites at elevated temperatures was investigated. When PyC interphase is used, flexural strength and elastic modulus of the C-f/SiBCN composites decrease seriously at 1600 degrees C (92 +/- 15 MPa, 12 +/- 2 GPa), compared with the properties at room temperature (371 +/- 31 MPa, 31 +/- 2 GPa). While, the flexural strength and elastic modulus of C-f/SiBCN composites with PyC/SiC multilayered interphase at 1600 degrees C are as high as 330 +/- 7 MPa and 30 +/- 2 GPa, respectively, which are 97% and 73% of the values at room temperature (341 +/- 20 MPa, 41 +/- 2 GPa). To clarify the effect mechanism of the interphase on mechanical properties of the C-f/SiBCN composites at elevated temperature, interfacial bonding strength (IFBS) and microstructures of the composites were investigated in detail. It reveals that the PyC/SiC multilayered interphase can retard the SiBCN matrix degradation at elevated temperature, leading to the high strength retention of the composites at 1600 degrees C.
KeywordC-f SiBCN interphase mechanical properties microstructures
DOI10.1111/jace.16202
Language英语
WOS Research AreaMaterials Science
PublisherWILEY
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27090
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Ding, Qi,Ni, Dewei,Wang, Zhen,et al. Effect of interphase on mechanical properties and microstructures of 3D C-f/SiBCN composites at elevated temperatures[J]. JOURNAL OF THE AMERICAN CERAMIC SOCIETY,2019,102(6):3630.
APA Ding, Qi.,Ni, Dewei.,Wang, Zhen.,Kan, Yanmei.,He, Ping.,...&Dong, Shaoming.(2019).Effect of interphase on mechanical properties and microstructures of 3D C-f/SiBCN composites at elevated temperatures.JOURNAL OF THE AMERICAN CERAMIC SOCIETY,102(6),3630.
MLA Ding, Qi,et al."Effect of interphase on mechanical properties and microstructures of 3D C-f/SiBCN composites at elevated temperatures".JOURNAL OF THE AMERICAN CERAMIC SOCIETY 102.6(2019):3630.
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