High-temperature oxidation and hot corrosion of Cr2AlC
文献类型:期刊论文
作者 | Z. J. Lin ; M. S. Li ; J. Y. Wang ; Y. C. Zhou |
刊名 | Acta Materialia
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出版日期 | 2007 |
卷号 | 55期号:18页码:6182-6191 |
关键词 | Cr2AlC hot pressing oxidation hot corrosion microstructure liquid reaction synthesis ti2alc air behavior ti3alc2 ti deposition ti3sic2 powders phases |
ISSN号 | 1359-6454 |
中文摘要 | High-temperature oxidation and hot corrosion behaviors of Cr2AlC were investigated at 800-1300 degrees C in air. Thermogravimetric-differential scanning calorimetric test revealed that the starting oxidation temperature for Cr2AlC is about 800 degrees C, which is 400 degrees C higher than other ternary transition metal aluminum carbides. Thermogravinietric analyses demonstrated that Cr2AlC displayed excellent hightemperature oxidation resistance with parabolic rate constants of 1.08 x 10(-12) and 2.96 x 10(-9) kg(2) m(-4) s(-1) at 800 and 1300 degrees C, respectively. Moreover, Cr2AlC exhibited exceptionally good hot corrosion resistance against molten Na2SO4 salt. The mechanism of the excellent high-temperature corrosion resistance for Cr2AlC can be attributed to the formation of a protective Al2O3-rich scale during both the high-temperature oxidation and hot corrosion processes. (c) 2007 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved. |
原文出处 | |
公开日期 | 2012-04-13 |
源URL | [http://ir.imr.ac.cn/handle/321006/33682] ![]() |
专题 | 金属研究所_中国科学院金属研究所 |
推荐引用方式 GB/T 7714 | Z. J. Lin,M. S. Li,J. Y. Wang,et al. High-temperature oxidation and hot corrosion of Cr2AlC[J]. Acta Materialia,2007,55(18):6182-6191. |
APA | Z. J. Lin,M. S. Li,J. Y. Wang,&Y. C. Zhou.(2007).High-temperature oxidation and hot corrosion of Cr2AlC.Acta Materialia,55(18),6182-6191. |
MLA | Z. J. Lin,et al."High-temperature oxidation and hot corrosion of Cr2AlC".Acta Materialia 55.18(2007):6182-6191. |
入库方式: OAI收割
来源:金属研究所
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