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Rare earth monosilicates as oxidation resistant interphase for SiCf/SiC CMC: Investigation of SiCf/Yb2SiO5 model composites
Lv, Xirui1,2; Yue, Mengkun3,4; Feng, Xue3,4; Li, Xiaoyan3,4; Wang, Yumin5; Wang, Jiemin1; Zhang, Jie1; Wang, Jingyang1
Corresponding AuthorZhang, Jie(jiezhang@imr.ac.cn) ; Wang, Jingyang(jywang@imr.ac.cn)
2022-03-21
Source PublicationJOURNAL OF ADVANCED CERAMICS
ISSN2226-4108
Pages10
AbstractModel composites consisting of SiC fiber and Yb2SiO5 were processed by the spark plasma sintering (SPS) method. The mechanical compatibility and chemical stability between Yb2SiO5 and SiC fiber were studied to evaluate the potential application of Yb monosilicate as the interphase of silicon carbide fiber reinforced silicon carbide ceramic matrix composite (SiCf/SiC CMC). Two kinds of interfaces, namely mechanical and chemical bonding interfaces, were achieved by adjusting sintering temperature. SiCf/Yb2SiO5 interfaces prepared at 1450 and 1500 V exhibit high interface strength and debond energy, which do not satisfy the crack deflection criteria based on He-Hutchison diagram. Raman spectrum analyzation indicates that the thermal expansion mismatch between Yb2SiO5 and SiC contributes to high compressive thermal stress at interface, and leads to high interfacial parameters. Amorphous layer at interface in model composite sintered at 1550 V is related to the diffusion promoted by high temperature and DC electric filed during SPS. It is inspired that the interfacial parameters could be adjusted by introducing Yb2Si2O7-Yb2SiO5 interphase with controlled composition to optimize the mechanical fuse mechanism in SiCf/SiC CMC.
Keywordsilicon carbide fiber reinforced silicon carbide ceramic matrix composite (SiCf/SiC CMC) interphase rare earth (RE) silicates interfacial parameters
Funding OrganizationNational Key R&D Program of China ; National Natural Science Foundation of China ; CAS International Cooperation Key Program
DOI10.1007/s40145-021-0560-4
Indexed BySCI
Language英语
Funding ProjectNational Key R&D Program of China[2017YFB0703201] ; National Natural Science Foundation of China[51772302] ; CAS International Cooperation Key Program[174321KYSB20180008]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Ceramics
WOS IDWOS:000771322800002
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/173141
Collection中国科学院金属研究所
Corresponding AuthorZhang, Jie; Wang, Jingyang
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
3.Tsinghua Univ, Dept Engn Mech, AML, Beijing 100084, Peoples R China
4.Tsinghua Univ, Ctr Mech & Mat, Beijing 100084, Peoples R China
5.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Lv, Xirui,Yue, Mengkun,Feng, Xue,et al. Rare earth monosilicates as oxidation resistant interphase for SiCf/SiC CMC: Investigation of SiCf/Yb2SiO5 model composites[J]. JOURNAL OF ADVANCED CERAMICS,2022:10.
APA Lv, Xirui.,Yue, Mengkun.,Feng, Xue.,Li, Xiaoyan.,Wang, Yumin.,...&Wang, Jingyang.(2022).Rare earth monosilicates as oxidation resistant interphase for SiCf/SiC CMC: Investigation of SiCf/Yb2SiO5 model composites.JOURNAL OF ADVANCED CERAMICS,10.
MLA Lv, Xirui,et al."Rare earth monosilicates as oxidation resistant interphase for SiCf/SiC CMC: Investigation of SiCf/Yb2SiO5 model composites".JOURNAL OF ADVANCED CERAMICS (2022):10.
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