Oxidation behavior of sputter-deposited NiCrAlY coating
文献类型：期刊论文
| 作者 | M. H. Li ; Z. Y. Zhang ; X. R. Sun ; J. G. Li ; E. Yin ; W. Y. Hu ; H. R. Guan ; Z. Q. Hu |
| 刊名 | Surface & Coatings Technology
 |
| 出版日期 | 2003 |
| 卷号 | 165期号:3页码:241-247 |
| ISSN号 | 0257-8972 |
| 关键词 | sputtering NiCrAlY coating oxidation microstructure high-temperature alloys superalloy scale |
| 中文摘要 | The oxidation behavior of the sputtered NiCrAlY coating at 900, 1000 and 1100 C was investigated. The oxidation kinetics of the coating showed phase transformation from theta-Al2O3 to alpha-Al2O3. The higher the oxidation temperature, the faster was the transformation from theta-Al2O3 to alpha-Al2O3. The rapid formation of alpha-Al2O3 which led to the mass gain of specimen at 1100 C was the lowest at the initial oxidation stage. Under steady-state condition, the oxidation reaction appeared to be controlled by, diffusional transport in alpha-Al2O3 scale with activation energy of approximately 390 kJ/mol. The scale formed on the coating was alumina exclusively, though there exist different modifications of alumina. This favorable oxidation behavior could be mainly attributed to the high aluminum content, the third element Cr and the nanocrystallized microstructure of the coating. During oxidation, beta-NiAl transformed to gamma'-Ni3Al and gamma phase because of the diffusion and the formation of Al2O3. (C) 2002 Elsevier Science B.V. All rights reserved. |
| 原文出处 | |
| 公开日期 | 2012-04-14 |
| 源URL | [http://ir.imr.ac.cn/handle/321006/35893]  |
| 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 | M. H. Li,Z. Y. Zhang,X. R. Sun,et al. Oxidation behavior of sputter-deposited NiCrAlY coating[J]. Surface & Coatings Technology,2003,165(3):241-247. |
| APA | M. H. Li.,Z. Y. Zhang.,X. R. Sun.,J. G. Li.,E. Yin.,...&Z. Q. Hu.(2003).Oxidation behavior of sputter-deposited NiCrAlY coating.Surface & Coatings Technology,165(3),241-247. |
| MLA | M. H. Li,et al."Oxidation behavior of sputter-deposited NiCrAlY coating".Surface & Coatings Technology 165.3(2003):241-247. |
入库方式： OAI收割
来源：金属研究所
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