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High porosity Ca-alpha-SiAlON ceramics with rod-like grains fabricated by freeze casting and pressureless sintering
Xie, Liang; Yao, Dongxu; Xia, Yongfeng; Yin, Jinwei; Liang, Hanqin; Zuo, Kaihui; Zeng, Yuping
2019-06-01
Source PublicationJOURNAL OF THE EUROPEAN CERAMIC SOCIETY
ISSN0955-2219
Volume39Issue:6Pages:2036
SubtypeArticle
AbstractCa-alpha-SiAlON ceramics with high porosity and fine rod-like grains were fabricated using unidirectional freezing and pressureless sintering. The high porosity of green body was maintained during sintering, which was mainly controlled by solid loading of slurry. Phase analysis showed that alpha-SiAlON was major phase while small amount of AlN' was inevitable. The anisotropic growth of alpha-SiAlON was controlled by sintering temperature, fine rodlike alpha-SiAlON grain morphology was obtained after sample was sintered at 1810 degrees C for 1.5 h. The aligned channel became more uniform with higher solid loading, gave rise to better mechanical properties. The fabricated samples demonstrated remarkably comprehensive properties including low thermal conductivities, low dielectric constant and dielectric loss.
Keywordalpha-SiAlON Porous ceramic Grain morphology Freeze casting Microstructure
DOI10.1016/j.jeurceramsoc.2019.01.027
Language英语
WOS Research AreaMaterials Science
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27097
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Xie, Liang,Yao, Dongxu,Xia, Yongfeng,et al. High porosity Ca-alpha-SiAlON ceramics with rod-like grains fabricated by freeze casting and pressureless sintering[J]. JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,2019,39(6):2036.
APA Xie, Liang.,Yao, Dongxu.,Xia, Yongfeng.,Yin, Jinwei.,Liang, Hanqin.,...&Zeng, Yuping.(2019).High porosity Ca-alpha-SiAlON ceramics with rod-like grains fabricated by freeze casting and pressureless sintering.JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,39(6),2036.
MLA Xie, Liang,et al."High porosity Ca-alpha-SiAlON ceramics with rod-like grains fabricated by freeze casting and pressureless sintering".JOURNAL OF THE EUROPEAN CERAMIC SOCIETY 39.6(2019):2036.
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