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	Imfluence of alpha-alumina seeds on transformation of aluminium hydroxide and morphology of alumina grain in hot-pressing
	Yi, ZZ ; Xiao, B ; Yang, WY ; Xie, ZP
	2010-05-10 ; 2010-05-10
关键词	aluminium hydroxide alpha-Al2O3 seed alumina grain morphology PLATELIKE ABNORMAL GRAINS PHASE-SINTERED ALUMINA LIQUID-PHASE GROWTH BOEHMITE KINETICS TEXTURE Materials Science, Ceramics
中文摘要	Abrasives as seeds were introduced to the starting materials of aluminium hydroxide by wet-grinding of high-purity alumina milling balls. The phase transformation from aluminium hydroxide to alpha-Al2O3 was completed at 1100 degreesC for 2h by seeds added. The size of alumina particle derived from calcined aluminium hydroxide was reduced and narrow particle size distribution was obtained with increasing amount of the seeds. Alumina grain shapes changed with the amount of introduced seeds: equiaxed grains were observed for the samples without seeds introduction, hexagonal platelets were developed after seeds addition. Finally the grain shape showed a trend to elongated grains with seed concentration up to 20wt%.
语种	中文 ; 中文
出版者	SCIENCE CHINA PRESS ; BEIJING ; 16 DONGHUANGCHENGGEN NORTH ST, BEIJING 100717, PEOPLES R CHINA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/21867]
专题	清华大学
推荐引用方式 GB/T 7714	Yi, ZZ,Xiao, B,Yang, WY,et al. Imfluence of alpha-alumina seeds on transformation of aluminium hydroxide and morphology of alumina grain in hot-pressing[J],2010, 2010.
APA	Yi, ZZ,Xiao, B,Yang, WY,&Xie, ZP.(2010).Imfluence of alpha-alumina seeds on transformation of aluminium hydroxide and morphology of alumina grain in hot-pressing..
MLA	Yi, ZZ,et al."Imfluence of alpha-alumina seeds on transformation of aluminium hydroxide and morphology of alumina grain in hot-pressing".(2010).

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