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Microstructure and mechanical properties of B4C-TiB2-SiC composites fabricated by spark plasma sintering
Liu, YY; Wu, XS; Liu, M; Huang, YH; Huang, ZR
2020-02-15
Source PublicationCERAMICS INTERNATIONAL
ISSN0272-8842
Issue3Pages:3793
SubtypeArticle
AbstractBoron carbide ceramics have broad application prospects due to their excellent performance. However, their poor sinterability and low fracture toughness limit their application, especially in the field of bulletproof armor. In this work, B4C-TiB2-SiC composites were successfully prepared by spark plasma sintering (SPS) with B4C, TiB2, and SiC powder mixtures. The effects of different SiC contents on the mechanical properties and microstructure of B4C-TiB2-SiC composites were investigated. The B4C-TiB2-SiC composites with 15 wt% SiC combined a relative density of 98.43%, a fracture toughness of 4.17 MPa M-1/2, as well as Vickers hardness of 30.07 GPa. The addition of SiC can increase the toughness of B4C-TiB2 -SiC composites while maintaining high hardness. The main reason for this behavior is grain refinement of B4C and TiB2 due to the pinning effect of the SiC phase.
DOI10.1016/j.ceramint.2019.10.102
WOS KeywordIN-SITU SYNTHESIS ; BORON-CARBIDE ; HIGH TOUGHNESS ; B4C ; CERAMICS ; FRACTURE
Language英语
WOS Research AreaMaterials Science
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28301
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Liu, YY,Wu, XS,Liu, M,et al. Microstructure and mechanical properties of B4C-TiB2-SiC composites fabricated by spark plasma sintering[J]. CERAMICS INTERNATIONAL,2020(3):3793.
APA Liu, YY,Wu, XS,Liu, M,Huang, YH,&Huang, ZR.(2020).Microstructure and mechanical properties of B4C-TiB2-SiC composites fabricated by spark plasma sintering.CERAMICS INTERNATIONAL(3),3793.
MLA Liu, YY,et al."Microstructure and mechanical properties of B4C-TiB2-SiC composites fabricated by spark plasma sintering".CERAMICS INTERNATIONAL .3(2020):3793.
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