| Temperature Effect on Early Oxidation Behavior of NiCoCrAlY Coatings: Microstructure and Phase Transformation | |
| Ullah, A.1,2; Khan, A.1,3; Bao, Z. B.2; Yang, Y. F.4; Xu, M. M.2; Zhu, S. L.2; Wang, F. H.5 | |
| Corresponding Author | Bao, Z. B.(zbbao@imr.ac.cn) ; Yang, Y. F.(yfyang@jnu.edu.cn) |
| 2021-09-01 | |
| Source Publication | ACTA METALLURGICA SINICA-ENGLISH LETTERS
 |
| ISSN | 1006-7191 |
| Pages | 10 |
| Abstract | Initial oxidation behavior of NiCoCrAlY coating prepared by arc-ion plating has been studied in air at 900, 1000 and 1100 degrees C. The results showed that phase transformation from transient theta-Al2O3 to alpha-Al2O3 was highly related to the temperature and oxidation time. The oxide scale in the initial stage was mainly composed of theta-Al2O3 at 900 degrees C. Instead, more amount of alpha-Al2O3 emerged out with increasing oxidation temperature. The elemental distribution after oxidation confirmed that faster chromium diffusion to the oxide scale played an important role in the speedy transformation from theta-Al2O3 to alpha-Al2O3. Y segregation at scale/coating interface resulted in less cavity formation and hence improved the oxide scale adherence. |
| Keyword | MCrAlY coating Phase transformation Isothermal oxidation Temperature effect |
| Funding Organization | R&D Program in Key Fields of Guangdong Province ; National Natural Science Foundation of China ; National Engineering Laboratory for Marine and Ocean Engineering Power System-Laboratory for Ocean Engineering Gas Turbine |
| DOI | 10.1007/s40195-021-01310-5 |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | R&D Program in Key Fields of Guangdong Province[2019B010936001] ; National Natural Science Foundation of China[51671202] ; National Engineering Laboratory for Marine and Ocean Engineering Power System-Laboratory for Ocean Engineering Gas Turbine |
| WOS Research Area | Metallurgy & Metallurgical Engineering |
| WOS Subject | Metallurgy & Metallurgical Engineering |
| WOS ID | WOS:000691924200003 |
| Publisher | CHINESE ACAD SCIENCES, INST METAL RESEARCH |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/166878 |
| Collection | 中国科学院金属研究所 |
| Corresponding Author | Bao, Z. B.; Yang, Y. F. |
| Affiliation | 1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, Shenyang 110016, Peoples R China 3.Anhui Univ Technol, Key Lab Green Fabricat & Surface Technol Adv Met, Minist Educ, Sch Mat Sci & Engn, Maanshan 243000, Peoples R China 4.Jinan Univ, Inst Adv Wear & Corros Resistant & Funct Mat, Guangzhou 510632, Peoples R China 5.Northeastern Univ, Shenyang Natl Lab Mat Sci, Shenyang 110819, Peoples R China |
| Recommended Citation GB/T 7714 | Ullah, A.,Khan, A.,Bao, Z. B.,et al. Temperature Effect on Early Oxidation Behavior of NiCoCrAlY Coatings: Microstructure and Phase Transformation[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2021:10. |
| APA | Ullah, A..,Khan, A..,Bao, Z. B..,Yang, Y. F..,Xu, M. M..,...&Wang, F. H..(2021).Temperature Effect on Early Oxidation Behavior of NiCoCrAlY Coatings: Microstructure and Phase Transformation.ACTA METALLURGICA SINICA-ENGLISH LETTERS,10. |
| MLA | Ullah, A.,et al."Temperature Effect on Early Oxidation Behavior of NiCoCrAlY Coatings: Microstructure and Phase Transformation".ACTA METALLURGICA SINICA-ENGLISH LETTERS (2021):10. |
| Files in This Item: | There are no files associated with this item. | |||||
Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.
Edit Comment