Changchun Institute of Optics,Fine Mechanics and Physics,CAS
Oxidation of polymer-derived SiAlCN ceramics | |
其他题名 | 论文其他题名 |
Wang Y. G.; An L. N.; Fan Y.![]() | |
2005 | |
发表期刊 | Journal of the American Ceramic Society
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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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