Oxidation of polymer-derived SiAlCN ceramics

	Oxidation of polymer-derived SiAlCN ceramics
其他题名	论文其他题名
	Wang Y. G.; An L. N.; Fan Y.; Zhang L. G.; Burton S.; Gan Z. H.
	2005
发表期刊	Journal of the American Ceramic Society
ISSN	0002-7820
卷号	88 期号:11 页码:3075-3080
摘要	The oxidation behavior of polymer-derived amorphous SiAlCNs was studied in the temperature range of 900 degrees-1200 degrees C. The results revealed that while at 900 degrees C the oxidation of the SiAlCNs follows typical parabolic kinetics, at higher temperatures the oxidation rates of the materials decrease with annealing time. Long-term oxidation rate of the SiAlCNs is much lower than the lowest values reported for chemical vapor deposition of SiC and Si(3)N(4). Structures of the oxide scales were studied using solid-state nuclear magnetic resonance. We proposed that oxide scales formed for the SiAlCNs possess a unique network structure of the oxide scale in which aluminum atoms block the path of oxygen diffusion, thus lowering the oxidation rates. Such a unique structure was likely formed gradually with annealing time, leading to a continuous decrease in oxidation rate.
收录类别	SCI ; EI
语种	英语
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/26774
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Wang Y. G.,An L. N.,Fan Y.,et al. Oxidation of polymer-derived SiAlCN ceramics[J]. Journal of the American Ceramic Society,2005,88(11):3075-3080.
APA	Wang Y. G.,An L. N.,Fan Y.,Zhang L. G.,Burton S.,&Gan Z. H..(2005).Oxidation of polymer-derived SiAlCN ceramics.Journal of the American Ceramic Society,88(11),3075-3080.
MLA	Wang Y. G.,et al."Oxidation of polymer-derived SiAlCN ceramics".Journal of the American Ceramic Society 88.11(2005):3075-3080.

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