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Modification of NiCoCrAlY with Pt: Part I. Effect of Pt depositing location and cyclic oxidation performance
Yang, Yingfei; Yao, Hongrui; Bao, Zebin; Ren, Pan; Li, Wei
2019-03-01
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume35Issue:3Pages:341-349
AbstractPt layers of 5 mu m in thickness were electroplated before or after depositing NiCoCrAlY coating by arc ion plating (AIP) aiming for identifying the effect of Pt enriching position on microstructure and cyclic oxidation behavior of Pt modified NiCoCrAlY coatings. Al-rich zones formed at the same position of Pt-rich zones for both modified coatings due to uphill diffusion of Al driven by Pt. Cyclic oxidation tests at 1000 and 1100 degrees C indicated that oxidation resistance of NiCoCrAlY was improved by Pt modification via different mechanisms: at surface, Pt-rich zone promoted selective oxidation of Al to form alpha-Al2O3, whilst at coating/substrate interface Pt-rich zone acted as effective diffusion barrier for titanium. Roles of Pt played in enhancing the oxidation performance of various Pt-modified NiCoCrAlY coating were investigated. (C) 2018 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordCyclic oxidation Pt-modification NiCoCrAlY Electron probe micro-analysis (EPMA)
Indexed BySCI
Language英语
WOS IDWOS:000454506800015
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81345
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Yang, Yingfei,Yao, Hongrui,Bao, Zebin,et al. Modification of NiCoCrAlY with Pt: Part I. Effect of Pt depositing location and cyclic oxidation performance[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2019,35(3):341-349.
APA Yang, Yingfei,Yao, Hongrui,Bao, Zebin,Ren, Pan,&Li, Wei.(2019).Modification of NiCoCrAlY with Pt: Part I. Effect of Pt depositing location and cyclic oxidation performance.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,35(3),341-349.
MLA Yang, Yingfei,et al."Modification of NiCoCrAlY with Pt: Part I. Effect of Pt depositing location and cyclic oxidation performance".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 35.3(2019):341-349.
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