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	Effects of the porosity of the source materials on the initial growth of 6h-sic crystal
	Liu Xi1,2; Chen Bo-Yuan2; Chen Zhi-Zhan; Song Li-Xin1; Shi Er-Wei
刊名	Journal of inorganic materials
	2010-02-01
卷号	25期号:2页码:177-180
关键词	Silicon carbide Growth rate Finite element method
ISSN号	1000-324X
DOI	10.3724/sp.j.1077.2010.00177
通讯作者	Liu xi()
英文摘要	The source materials with different porosity were be prepared by different loading ways. effects of the porosity (porosity: 50%, 55%, 60%) of the source materials on the crystal growth rate and the crystal quality in the initial stage of sic crystal growth were investigated respectively. it is found that crystal growth rate rises and the crystal quality declines with the increase of the porosity of the source materials. the temperature distribution and mass transport in the source materials (porosity: 50%, 55%, 60%) as well as the growth rate in the initial growth stage are simulated by the finite element method. the heat transfer inside the source material under the typical growth temperature bases on thermal radiation between sic granulas. the simulations indicate that it takes the least time to reach stationary heat transfer for the source materials with 60% porosity and its growth rate in the initial growth stage is the largest among them. therefore, the simulations explain the results of the growth experiments very well.
WOS关键词	SILICON-CARBIDE ; HEAT-TRANSFER ; SUBLIMATION GROWTH ; SIC GROWTH ; TRANSPORT ; POWDER ; GRAPHITIZATION
WOS研究方向	Materials Science
WOS类目	Materials Science, Ceramics
语种	英语
出版者	SCIENCE PRESS
WOS记录号	WOS:000275254700013
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2414259
专题	中国科学院大学
通讯作者	Liu Xi
作者单位	1.Chinese Acad Sci, Shanghai Inst Ceram, Key Lab Inorgan Coating Mat, Shanghai 200050, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Liu Xi,Chen Bo-Yuan,Chen Zhi-Zhan,et al. Effects of the porosity of the source materials on the initial growth of 6h-sic crystal[J]. Journal of inorganic materials,2010,25(2):177-180.
APA	Liu Xi,Chen Bo-Yuan,Chen Zhi-Zhan,Song Li-Xin,&Shi Er-Wei.(2010).Effects of the porosity of the source materials on the initial growth of 6h-sic crystal.Journal of inorganic materials,25(2),177-180.
MLA	Liu Xi,et al."Effects of the porosity of the source materials on the initial growth of 6h-sic crystal".Journal of inorganic materials 25.2(2010):177-180.

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