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Characterization and Microstructural Evolution of Continuous BN Ceramic Fibers Containing Amorphous Silicon Nitride
Li, Yang1,2; Ge, Min1,2; Yu, Shouquan1,3; Zhang, Huifeng1,3; Huang, Chuanbing1,3; Kong, Weijia1; Wang, Zhiguang1,2; Zhang, Weigang1,2,3
2021-10-01
Source PublicationMATERIALS
Volume14Issue:20Pages:11
AbstractBoron nitride (BN) ceramic fibers containing amounts of silicon nitride (Si3N4) were prepared using hybrid precursors of poly(tri(methylamino)borazine) (PBN) and polycarbosilane (PCS) via melt-spinning, curing, decarburization under NH3 to 1000 & DEG;C and pyrolysis up to 1600 & DEG;C under N-2. The effect of Si3N4 contents on the microstructure of the BN/Si3N4 composite ceramics was investigated. Series of the BN/Si3N4 composite fibers containing various amounts of Si3N4 from 5 wt% to 25 wt% were fabricated. It was found that the crystallization of Si3N4 could be totally restrained when its content was below 25 wt% in the BN/Si3N4 composite ceramics at 1600 & DEG;C, and the amorphous BN/Si3N4 composite ceramic could be obtained with a certain ratio. The mean tensile strength and Young's modulus of the composite fibers correlated positively with the Si3N4 mass content, while an obvious BN (shell)/Si3N4 (core) was formed only when the Si3N4 content reached 25 wt%.

Keywordcomposite ceramic fibers boron nitride silicon nitride
DOI10.3390/ma14206194
Language英语
WOS KeywordPOLYMER-DERIVED CERAMICS ; BORON-NITRIDE ; PRECURSOR ; FABRICATION ; COMPOSITES ; CHEMISTRY ; BEHAVIOR
Funding ProjectKey Laboratory of Science and Technology on Particle Materials[CXJJ-21S043] ; Key Laboratory of Multiphase Complex Systems[MPCS-2021-a-02] ; Innovation Academy for Green Manufacture, Chinese Academy of Sciences[IAGM2020C22]
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering ; Physics
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering ; Physics, Applied ; Physics, Condensed Matter
Funding OrganizationKey Laboratory of Science and Technology on Particle Materials ; Key Laboratory of Multiphase Complex Systems ; Innovation Academy for Green Manufacture, Chinese Academy of Sciences
WOS IDWOS:000716825700001
PublisherMDPI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/51081
Collection中国科学院过程工程研究所
Corresponding AuthorZhang, Weigang
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Key Lab Sci & Technol Particle Mat, Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Chem Engn, Beijing 100049, Peoples R China
3.Univ Sci & Technol China, Sch Rare Earth, Ganzhou 341000, Peoples R China
Recommended Citation
GB/T 7714
Li, Yang,Ge, Min,Yu, Shouquan,et al. Characterization and Microstructural Evolution of Continuous BN Ceramic Fibers Containing Amorphous Silicon Nitride[J]. MATERIALS,2021,14(20):11.
APA Li, Yang.,Ge, Min.,Yu, Shouquan.,Zhang, Huifeng.,Huang, Chuanbing.,...&Zhang, Weigang.(2021).Characterization and Microstructural Evolution of Continuous BN Ceramic Fibers Containing Amorphous Silicon Nitride.MATERIALS,14(20),11.
MLA Li, Yang,et al."Characterization and Microstructural Evolution of Continuous BN Ceramic Fibers Containing Amorphous Silicon Nitride".MATERIALS 14.20(2021):11.
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