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Highly porous Y2SiO5 ceramic with extremely low thermal conductivity prepared by foam-gelcasting-freeze drying method
Wu, Z; Sun, LC; Pan, JJ; Wang, JY; Wang, JY (reprint author), Chinese Acad Sci, High Performance Ceram Div, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang, Liaoning, Peoples R China.
2018-03-01
Source PublicationJOURNAL OF THE AMERICAN CERAMIC SOCIETY
ISSN0002-7820
Volume101Issue:3Pages:1042-1047
AbstractFoam-gelcasting-freeze drying method is developed to fabricate porous Y2SiO5 ceramic with ultrahigh porosity of 92.2%-95.8% and isotropous multiple pore structures. As prepared porous samples have quite low shrinkages of 0.8%-1.9% during demolding and drying processes, lightweights of 0.19-0.35g/cm(3), and extremely low thermal conductivities of 0.054-0.089 W(m.K)(-1). Our approach combines the merits of foam-gelcasting method and freeze drying method. It is a simple and effective method to fabricate porous ceramics with very high porosity and extremely low thermal conductivity through low shrinkage of green body and near net complex shape forming.; Foam-gelcasting-freeze drying method is developed to fabricate porous Y2SiO5 ceramic with ultrahigh porosity of 92.2%-95.8% and isotropous multiple pore structures. As prepared porous samples have quite low shrinkages of 0.8%-1.9% during demolding and drying processes, lightweights of 0.19-0.35g/cm(3), and extremely low thermal conductivities of 0.054-0.089 W(m.K)(-1). Our approach combines the merits of foam-gelcasting method and freeze drying method. It is a simple and effective method to fabricate porous ceramics with very high porosity and extremely low thermal conductivity through low shrinkage of green body and near net complex shape forming.
description.department[wu, zhen ; sun, luchao ; pan, jingjing ; wang, jingyang] chinese acad sci, high performance ceram div, shenyang natl lab mat sci, inst met res, shenyang, liaoning, peoples r china
KeywordHigh-porosity Fabrication Microstructure Temperature Strength Route
Subject AreaMaterials Science, Ceramics
Funding OrganizationNational Key R&D Program of China [2017YFB0703201]; Natural Science Foundation of China [5137225, 51772302]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79475
Collection中国科学院金属研究所
Corresponding AuthorWang, JY (reprint author), Chinese Acad Sci, High Performance Ceram Div, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang, Liaoning, Peoples R China.
Recommended Citation
GB/T 7714
Wu, Z,Sun, LC,Pan, JJ,et al. Highly porous Y2SiO5 ceramic with extremely low thermal conductivity prepared by foam-gelcasting-freeze drying method[J]. JOURNAL OF THE AMERICAN CERAMIC SOCIETY,2018,101(3):1042-1047.
APA Wu, Z,Sun, LC,Pan, JJ,Wang, JY,&Wang, JY .(2018).Highly porous Y2SiO5 ceramic with extremely low thermal conductivity prepared by foam-gelcasting-freeze drying method.JOURNAL OF THE AMERICAN CERAMIC SOCIETY,101(3),1042-1047.
MLA Wu, Z,et al."Highly porous Y2SiO5 ceramic with extremely low thermal conductivity prepared by foam-gelcasting-freeze drying method".JOURNAL OF THE AMERICAN CERAMIC SOCIETY 101.3(2018):1042-1047.
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