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Co-doping effect of Hf and Y on improving cyclic oxidation behavior of (Ni, Pt)Al coating at 1150 degrees C
Li, S.1,2; Xu, M. M.1,2; Zhang, C. Y.1; Niu, Y. S.1; Bao, Z. B.1,2; Zhu, S. L.1,2; Wang, F. H.3
Corresponding AuthorBao, Z. B.(zbbao@imr.ac.cn)
2021
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume178Pages:12
AbstractHf and/or Y doped (Ni,Pt)Al coatings were prepared to investigate their initial oxidation behavior and cyclic oxidation performance at 1150 degrees C. Finer grain sizes were observed in Hf and/or Y doped (Ni,Pt)Al coatings in as-received state, wherein the best oxidation resistance was achieved in the co-doped coating. In oxidation, Hf and Y were observed synchronously segregating at grain boundaries of alumina scale, which more effectively retarded the phase transformations of theta-Al2O3 to alpha-Al2O3 for the oxide scale and from beta to gamma' for the coating. Mechanisms responsible for the merits of Hf-Y co-doping in (Ni,Pt)Al coating are discussed.
KeywordPlatinum-modified aluminide coating Reactive element (RE) Oxidation Doping Synergistic effect
Funding OrganizationR&D Program in Key Fields of Guangdong Province ; National Natural Science Foundation of China
DOI10.1016/j.corsci.2020.109093
Indexed BySCI
Language英语
Funding ProjectR&D Program in Key Fields of Guangdong Province[2019B010936001] ; National Natural Science Foundation of China[51671202] ; National Natural Science Foundation of China[51301184]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000595972300004
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/158700
Collection中国科学院金属研究所
Corresponding AuthorBao, Z. B.
Affiliation1.Chinese Acad Sci, Inst Met Res, Shichangxu Innovat Ctr Adv Mat, Wencui Rd 62, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Wenhua Rd 72, Shenyang 110016, Peoples R China
3.Northeastern Univ, Shenyang Natl Lab Mat Sci, Wenhua Rd 3, Shenyang 110819, Peoples R China
Recommended Citation
GB/T 7714
Li, S.,Xu, M. M.,Zhang, C. Y.,et al. Co-doping effect of Hf and Y on improving cyclic oxidation behavior of (Ni, Pt)Al coating at 1150 degrees C[J]. CORROSION SCIENCE,2021,178:12.
APA Li, S..,Xu, M. M..,Zhang, C. Y..,Niu, Y. S..,Bao, Z. B..,...&Wang, F. H..(2021).Co-doping effect of Hf and Y on improving cyclic oxidation behavior of (Ni, Pt)Al coating at 1150 degrees C.CORROSION SCIENCE,178,12.
MLA Li, S.,et al."Co-doping effect of Hf and Y on improving cyclic oxidation behavior of (Ni, Pt)Al coating at 1150 degrees C".CORROSION SCIENCE 178(2021):12.
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