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Liquid-Phase Assisted Engineering of Highly Strong SiC Composite Reinforced by Multiwalled Carbon Nanotubes
Fan, YC; Song, EH; Mustafa, T; Liu, RC; Qiu, PP; Zhou, WW; Zhou, ZX; Kawasaki, A; Shirasu, K; Hashida, T; Liu, JJ; Wang, LJ; Jiang, W; Luo, W
2020-09-21
Source PublicationADVANCED SCIENCE
Issue21
SubtypeArticle
AbstractDespite the ultrahigh intrinsic strength of multiwalled carbon nanotube (MWCNT), the strengthening effect on ceramic matrix composite remains far from expectation mainly due to the weak load transfer between the reinforcement and ceramic matrix. With the assistance of the in situ pullout test, it is revealed that the liquid-phase sintering (LPS) can serve as a novel strategy to achieve effective load transfer in MWCNT reinforced ceramic matrix composites. The YAlO(3)formed liquid phase during spark plasma sintering of SiC composite greatly facilitates radical elastic deformation of MWCNT, leading to highly increased interfacial shear strength (IFSS) as well as interlayer shear resistance (ISR) of nested walls. The liquid phase with superior wettability can even penetrate into the defects of MWCNT, which further increases the ISR of MWCNT. Moreover, the first-principles calculation indicates that the oxygen terminated YAlO(3)phase displays much stronger bonding compared with SiC matrix, which is also responsible for the large IFSS in the composite. As a result, as high as 30% improvement of bending strength is achieved in the composite with only 3 wt% MWCNT in comparison to the monolithic ceramic, manifesting the unprecedented strengthening effect of MWCNT assisted by LPS.
DOI10.1002/advs.202002225
WOS KeywordSILICON-CARBIDE CERAMICS ; MECHANICAL-PROPERTIES ; SI2BC3N CERAMICS ; THERMAL-SHOCK ; STRENGTH ; FRACTURE ; RESISTANCE ; MICROSTRUCTURE ; CONDUCTIVITY ; Y3AL5O12
Language英语
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27742
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Fan, YC,Song, EH,Mustafa, T,et al. Liquid-Phase Assisted Engineering of Highly Strong SiC Composite Reinforced by Multiwalled Carbon Nanotubes[J]. ADVANCED SCIENCE,2020(21).
APA Fan, YC.,Song, EH.,Mustafa, T.,Liu, RC.,Qiu, PP.,...&Luo, W.(2020).Liquid-Phase Assisted Engineering of Highly Strong SiC Composite Reinforced by Multiwalled Carbon Nanotubes.ADVANCED SCIENCE(21).
MLA Fan, YC,et al."Liquid-Phase Assisted Engineering of Highly Strong SiC Composite Reinforced by Multiwalled Carbon Nanotubes".ADVANCED SCIENCE .21(2020).
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