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Fabrication, microstructural characterization and gas permeability behavior of porous silicon nitride ceramics with controllable pore structures
Li, Xueqing; Yao, Dongxu; Zuo, Kaihui; Xia, Yongfeng; Yin, Jinwei; Liang, Hanqin; Zeng, Yu-Ping
2019-08-01
Source PublicationJOURNAL OF THE EUROPEAN CERAMIC SOCIETY
ISSN0955-2219
Volume39Issue:9Pages:2855
SubtypeArticle
AbstractPorous Si3N4 ceramics with monomodal and bimodal pore structure were prepared by cold isostatic pressing and freeze-casting, respectively. Both the pore structure and permeability behavior of the porous Si3N4 ceramics were tailored by altering the pressure of cold isostatic pressing and the composition and content of solvent during freeze-casting. The specimens obtained by cold isostatic pressing exhibited smaller Darcian and non-Darcian permeability than those of freeze-casted samples due to their lower open porosity, smaller pore size and higher tortuosity. On the other hand, compared with the ice-templated specimens having the same solvent volume in the ceramic slurries as them during freeze-casting, the emulsion-ice templated samples showed smaller open porosity, macropore size and Dacian permeability, but the similar non-Darcian permeability because of their larger micropores and better pore interconnectivity.
KeywordPorous silicon nitride ceramics Pore structure Gas permeability Cold isostatic pressing Freeze-casting
DOI10.1016/j.jeurceramsoc.2019.03.011
Language英语
WOS Research AreaMaterials Science
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/26949
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Li, Xueqing,Yao, Dongxu,Zuo, Kaihui,et al. Fabrication, microstructural characterization and gas permeability behavior of porous silicon nitride ceramics with controllable pore structures[J]. JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,2019,39(9):2855.
APA Li, Xueqing.,Yao, Dongxu.,Zuo, Kaihui.,Xia, Yongfeng.,Yin, Jinwei.,...&Zeng, Yu-Ping.(2019).Fabrication, microstructural characterization and gas permeability behavior of porous silicon nitride ceramics with controllable pore structures.JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,39(9),2855.
MLA Li, Xueqing,et al."Fabrication, microstructural characterization and gas permeability behavior of porous silicon nitride ceramics with controllable pore structures".JOURNAL OF THE EUROPEAN CERAMIC SOCIETY 39.9(2019):2855.
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