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Benefits of Zr addition to oxidation resistance of a single-phase (Ni,Pt)Al coating at 1373 K
Jiang, Chengyang; Qian, Lingyi; Feng, Min; Liu, He; Bao, Zebin; Chen, Minghui; Zhu, Shenglong; Wang, Fuhui
2019-07-01
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume35Issue:7Pages:1334-1344
AbstractA single-phase (Ni, Pt) Al coating with lean addition of Zr was prepared by co-electroplating of Pt-Zr composite plating and subsequent gaseous aluminization treatments. Isothermal and cyclic oxidation behavior of the Zr-doped (Ni, Pt) Al coating samples was assessed at 1373 K in static air in comparison with plain nickel aluminide (NiAl) and normal (Ni, Pt) Al coatings. Results indicated that Zr-doped (Ni, Pt) Al coating demonstrated a lower oxidation rate constant and reduced tendency of oxide scale spallation as well as surface rumpling, in which the enhanced oxidation performance was mainly attributed to the segregation of Zr at oxide scale grain boundaries and the improved Young's modulus of the coating. Besides, the addition of Zr effectively delayed oxide phase transformation of Al2O3 from theta phase to alpha phase in the early oxidation stage and coating degradation of beta-NiAl to gamma'-Ni3Al in the stable oxidation stage. (C) 2019 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordAluminide coating RE elements Oxidation Microstructure evolution Thermally grown oxide
Indexed BySCI
Language英语
WOS IDWOS:000466369600015
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80965
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Jiang, Chengyang,Qian, Lingyi,Feng, Min,et al. Benefits of Zr addition to oxidation resistance of a single-phase (Ni,Pt)Al coating at 1373 K[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2019,35(7):1334-1344.
APA Jiang, Chengyang.,Qian, Lingyi.,Feng, Min.,Liu, He.,Bao, Zebin.,...&Wang, Fuhui.(2019).Benefits of Zr addition to oxidation resistance of a single-phase (Ni,Pt)Al coating at 1373 K.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,35(7),1334-1344.
MLA Jiang, Chengyang,et al."Benefits of Zr addition to oxidation resistance of a single-phase (Ni,Pt)Al coating at 1373 K".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 35.7(2019):1334-1344.
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