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Interfacial reactions and mechanical properties of SiC fiber reinforced Ti3SiC2 and Ti-3(SiAl)C2 composites
He, Guangqi1,2; Xu, Jingjun2; Zhang, Zerong2; Qian, Yuhai2; Zuo, Jun2; Li, Meishuan2; Liu, Changsheng1
Corresponding AuthorXu, Jingjun(jjxu@imr.ac.cn) ; Liu, Changsheng(csliu@mail.neu.edu.cn)
2021-10-19
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
Volume827Pages:9
AbstractIn this paper, SiC fiber (SiCf) reinforced Ti3SiC2 and Ti3(SiAl)C2 composites were fabricated by spark plasma sintering at 1250 degrees C and 1300 degrees C for 10 min, respectively. The interfacial reactions between fibers and matrix, as well as the mechanical properties of the two composites, were investigated. XRD, SEM and TEM were used to characterize the phase compositions and microstructures of the as-synthesized composites. The results showed that no interfacial reaction occurred between SiCf and Ti3SiC2 matrix, while it occurred between SiCf fiber and Ti3(SiAl)C2 matrix. In the latter case, the interfacial reaction layer was mainly composed of SiC, TiC, and TiSi2 phases, and its thickness was about 1.2 mu m. Besides, due to the introduction of SiC fibers, both bending strength and fracture toughness of two composites were improved. Based on the investigation of crack propagation, it was proposed that the main strengthening and toughening mechanism was crack bowing for SiCf/Ti3(SiAl)C2 composite, while was fiber pullout, fiber debonding, and residual thermal stress for SiCf/Ti3SiC2 composite.
KeywordMAX phase Composite SiC fiber Mechanical properties
Funding OrganizationNational Natural Science Foundation of China ; Science and Technology Founda-tion of National Defense Key Laboratory
DOI10.1016/j.msea.2021.142069
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[52071318] ; Science and Technology Founda-tion of National Defense Key Laboratory[HTKJ2019KL703006]
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000704197000002
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/166710
Collection中国科学院金属研究所
Corresponding AuthorXu, Jingjun; Liu, Changsheng
Affiliation1.Northeastern Univ, Sch Mat Sci & Engn, Shenyang 110819, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
He, Guangqi,Xu, Jingjun,Zhang, Zerong,et al. Interfacial reactions and mechanical properties of SiC fiber reinforced Ti3SiC2 and Ti-3(SiAl)C2 composites[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2021,827:9.
APA He, Guangqi.,Xu, Jingjun.,Zhang, Zerong.,Qian, Yuhai.,Zuo, Jun.,...&Liu, Changsheng.(2021).Interfacial reactions and mechanical properties of SiC fiber reinforced Ti3SiC2 and Ti-3(SiAl)C2 composites.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,827,9.
MLA He, Guangqi,et al."Interfacial reactions and mechanical properties of SiC fiber reinforced Ti3SiC2 and Ti-3(SiAl)C2 composites".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 827(2021):9.
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