Microstructures and properties of solid-state-sintered silicon carbide membrane supports

doi:10.1016/j.ceramint.2019.06.244

SIC OpenIR

	Microstructures and properties of solid-state-sintered silicon carbide membrane supports
	Li, Yajie; Wu, Haibo; Liu, Xuejian; Huang, Zhengren; Jiang, Dongliang
	2019-11-01
Source Publication	CERAMICS INTERNATIONAL
ISSN	0272-8842
Volume	45 Issue:16 Pages:19888
Subtype	Article
Abstract	Porous solid-state-sintered SiC (S-SiC) membrane supports were successfully fabricated by pressureless sintering at 2150 degrees C in argon, using fine and coarse graded SiC powders as the main starting material. There were uniformly distributed and fully interconnected pores in as-acquired S-SiC membrane supports, accompanied with similar apparent porosities for all of them. When increasing the size of coarse SiC powder, their average pore sizes were distinctly enlarged from similar to 1.6 mu m to similar to 2.3 mu m, which significantly enhanced their nitrogen permeability from 0.9 x 10(-13) m(2) to 2.6 x 10(-13) m(2). Moreover, S-SiC membrane supports possessed outstanding flexure strengths of 134.1 +/- 21.3 MPa at room temperature and 88.7 +/- 8.4 MPa at 1000 degrees C owing to strong interface bonding between SiC grains. Compared with the traditional SiO2-bonded and mullite-bonded SiC supports, S-SiC membrane supports presented their great superiority in high-temperature flexure strength as well as acid and alkali corrosion resistance, which permitted them to be potentially applied in high-temperature and strongly corrosive environments.
Keyword	Silicon carbide Membrane supports Solid-state-sintered Corrosion High temperature
DOI	10.1016/j.ceramint.2019.06.244
Language	英语
WOS Research Area	Materials Science
Publisher	ELSEVIER SCI LTD
Citation statistics	Cited Times:2[WOS] [WOS Record] [Related Records in WOS]
Document Type	期刊论文
Identifier	http://ir.sic.ac.cn/handle/331005/26740
Collection	中国科学院上海硅酸盐研究所
Recommended Citation GB/T 7714	Li, Yajie,Wu, Haibo,Liu, Xuejian,et al. Microstructures and properties of solid-state-sintered silicon carbide membrane supports[J]. CERAMICS INTERNATIONAL,2019,45(16):19888.
APA	Li, Yajie,Wu, Haibo,Liu, Xuejian,Huang, Zhengren,&Jiang, Dongliang.(2019).Microstructures and properties of solid-state-sintered silicon carbide membrane supports.CERAMICS INTERNATIONAL,45(16),19888.
MLA	Li, Yajie,et al."Microstructures and properties of solid-state-sintered silicon carbide membrane supports".CERAMICS INTERNATIONAL 45.16(2019):19888.

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