Effects of N-2 pressure and Si particle size on mechanical properties of porous Si3N4 ceramics prepared via SHS

doi:10.1016/j.jeurceramsoc.2020.05.038

SIC OpenIR

	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 Publication	JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
ISSN	0955-2219
Issue	13 Pages:4454
Subtype	Article
Abstract	Porous 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.
DOI	10.1016/j.jeurceramsoc.2020.05.038
WOS Keyword	HIGH-TEMPERATURE SYNTHESIS ; SILICON-NITRIDE ; COMBUSTION SYNTHESIS ; RAPID FABRICATION ; MICROSTRUCTURE ; POWDER ; POROSITY ; COMPOSITES ; STRENGTH ; WHISKERS
Language	英语
WOS Research Area	Materials Science
Publisher	ELSEVIER SCI LTD
Citation statistics	Cited Times:1[WOS] [WOS Record] [Related Records in WOS]
Document Type	期刊论文
Identifier	http://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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