SIC OpenIR
Residual stress variation in SiCf/SiC composite during heat treatment and its effects on mechanical behavior
Chen, XW; Cheng, GF; Zhang, JM; Guo, FY; Zhou, HJ; Liao, CJ; Wang, HD; Zhang, XY; Dong, SM
2020-10-01
Source PublicationJOURNAL OF ADVANCED CERAMICS
ISSN2226-4108
Issue5Pages:567
SubtypeArticle
AbstractResidual stress originated from thermal expansion mismatch determines the mechanical properties of ceramic matrix composites (CMCs). Here, continuous SiC fiber reinforced SiC matrix (SiCf/SiC) composites were fabricated by nano-infiltration and transient eutectic-phase (NITE) method, and the residual stress of the composites was investigated using high-temperature Raman spectrometer. With temperature increasing from room temperature to 1400 degrees C, the residual stresses of the matrix and the fiber decrease from 1.29 to 0.62 GPa and from 0.84 to 0.55 GPa in compression respectively, while that of the interphase decreases from 0.16 to 0.10 GPa in tension. The variation of residual stress shows little effect on the tensile strength of the composites, while causes a slight decrease in the tensile strain. The suppression of fiber/matrix debonding and fiber pulling-out caused by the residual stress reduction in the interphase is responsible for the decreasing tensile strain. This work can open up new alternatives for residual stress analysis in CMCs.
DOI10.1007/s40145-020-0395-4
WOS KeywordREINFORCED CERAMIC-MATRIX ; RAMAN-SPECTROSCOPY ; FIBER ; INFILTRATION ; FLUORESCENCE
Language英语
WOS Research AreaMaterials Science
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27888
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Chen, XW,Cheng, GF,Zhang, JM,et al. Residual stress variation in SiCf/SiC composite during heat treatment and its effects on mechanical behavior[J]. JOURNAL OF ADVANCED CERAMICS,2020(5):567.
APA Chen, XW.,Cheng, GF.,Zhang, JM.,Guo, FY.,Zhou, HJ.,...&Dong, SM.(2020).Residual stress variation in SiCf/SiC composite during heat treatment and its effects on mechanical behavior.JOURNAL OF ADVANCED CERAMICS(5),567.
MLA Chen, XW,et al."Residual stress variation in SiCf/SiC composite during heat treatment and its effects on mechanical behavior".JOURNAL OF ADVANCED CERAMICS .5(2020):567.
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