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Fiber reinforced highly porous gamma-Y2Si2O7 ceramic fabricated by foam-gelcasting-freeze drying method
Wu, Z; Sun, LC; Pan, JJ; Wang, JY; Wang, JY (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, High Performance Ceram Div, Shenyang 110016, Liaoning, Peoples R China.
2018-03-15
Source PublicationSCRIPTA MATERIALIA
ISSN1359-6462
Volume146Pages:331-334
AbstractAdvanced thermal insulators request excellent properties, including low thermal conductivity, lightweight (high porosity) and high strength. It was a challenge to coordinatively achieve extremely high porosity (>90%) and high strength. We herein report a foam-gelcasting-freeze drying method to process highly porous ceramic. Yttria-Stabilized Zirconia (YSZ) fiber strengthening approach is incorporated to enhance its mechanical property. Our YSZ fiber reinforced porous gamma-Y2Si2O7 ceramic shows very high porosity (92.9%), high compressive strength (1.35 MPa), and extremely low thermal conductivity (0.090 W/(m.K)). The developed highly porous composite is a promising high-temperature thermal insulator. (C) 2017 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.; Advanced thermal insulators request excellent properties, including low thermal conductivity, lightweight (high porosity) and high strength. It was a challenge to coordinatively achieve extremely high porosity (>90%) and high strength. We herein report a foam-gelcasting-freeze drying method to process highly porous ceramic. Yttria-Stabilized Zirconia (YSZ) fiber strengthening approach is incorporated to enhance its mechanical property. Our YSZ fiber reinforced porous gamma-Y2Si2O7 ceramic shows very high porosity (92.9%), high compressive strength (1.35 MPa), and extremely low thermal conductivity (0.090 W/(m.K)). The developed highly porous composite is a promising high-temperature thermal insulator. (C) 2017 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
description.department[wu, zhen ; sun, luchao ; pan, jingjing ; wang, jingyang] chinese acad sci, inst met res, shenyang natl lab mat sci, high performance ceram div, shenyang 110016, liaoning, peoples r china
KeywordX-ray Tomography Thermal-conductivity Cellular Ceramics High-strength Ysz Ceramics Porosity
Subject AreaNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Key R&D Program of China [2017YFB0703201]; Natural Science Foundation of China [51372252, 51772302]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79430
Collection中国科学院金属研究所
Corresponding AuthorWang, JY (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, High Performance Ceram Div, Shenyang 110016, Liaoning, Peoples R China.
Recommended Citation
GB/T 7714
Wu, Z,Sun, LC,Pan, JJ,et al. Fiber reinforced highly porous gamma-Y2Si2O7 ceramic fabricated by foam-gelcasting-freeze drying method[J]. SCRIPTA MATERIALIA,2018,146:331-334.
APA Wu, Z,Sun, LC,Pan, JJ,Wang, JY,&Wang, JY .(2018).Fiber reinforced highly porous gamma-Y2Si2O7 ceramic fabricated by foam-gelcasting-freeze drying method.SCRIPTA MATERIALIA,146,331-334.
MLA Wu, Z,et al."Fiber reinforced highly porous gamma-Y2Si2O7 ceramic fabricated by foam-gelcasting-freeze drying method".SCRIPTA MATERIALIA 146(2018):331-334.
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