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Effects of N-2 pressure and Si particle size on mechanical properties of porous Si3N4 ceramics prepared via SHS
Zhang, Y; Yao, DX; Zuo, KH; Xia, YF; Yin, JW; Liang, HQ; Zeng, YP
2020-10-01
Source PublicationJOURNAL OF THE EUROPEAN CERAMIC SOCIETY
ISSN0955-2219
Issue13Pages:4454
SubtypeArticle
AbstractPorous silicon nitride ceramics with high flexural strength and high porosity were directly fabricated by self-propagating high temperature synthesis (SHS). The effects of N-2 pressure and Si particle size on the phase composition, microstructure, and mechanical property were investigated. N-2 influences not only the thermodynamics but also the kinetics of the SHS as initial reactant. Flexural strength ranged between 67 MPa and 134 MPa with increasing N-2 pressure. On the other hand, flexural strength ranged from 213 MPa to 102 MPa with different Si particle sizes. This plays an important role on the final diameter and length of beta-Si3N4 grains and the formation mechanism of porous Si3N4 ceramics.
DOI10.1016/j.jeurceramsoc.2020.05.038
WOS KeywordHIGH-TEMPERATURE SYNTHESIS ; SILICON-NITRIDE ; COMBUSTION SYNTHESIS ; RAPID FABRICATION ; MICROSTRUCTURE ; POWDER ; POROSITY ; COMPOSITES ; STRENGTH ; WHISKERS
Language英语
WOS Research AreaMaterials Science
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27729
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Zhang, Y,Yao, DX,Zuo, KH,et al. Effects of N-2 pressure and Si particle size on mechanical properties of porous Si3N4 ceramics prepared via SHS[J]. JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,2020(13):4454.
APA Zhang, Y.,Yao, DX.,Zuo, KH.,Xia, YF.,Yin, JW.,...&Zeng, YP.(2020).Effects of N-2 pressure and Si particle size on mechanical properties of porous Si3N4 ceramics prepared via SHS.JOURNAL OF THE EUROPEAN CERAMIC SOCIETY(13),4454.
MLA Zhang, Y,et al."Effects of N-2 pressure and Si particle size on mechanical properties of porous Si3N4 ceramics prepared via SHS".JOURNAL OF THE EUROPEAN CERAMIC SOCIETY .13(2020):4454.
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