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Improved oxidation resistance of gamma-TiAl intermetallics by sputtered Ni plus CrAlYHfSiN composite coating
Yang, Yingfei1; Xiao, Qin1; Ren, Pan1; Li, Wei1; Zhu, Shenglong2; Wang, Fuhui3
Corresponding AuthorRen, Pan(renp@foxmail.com)
2021-07-15
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume187Pages:11
AbstractNiCrAlYHfSi coating and Ni+CrAlYHfSiN coating were deposited on gamma-TiAl alloy by magnetron sputtering. This work mainly focuses on the influence of cracks on the oxidation resistance of coatings, and the suppression cracking effect by doping nitrides. It was found that longitudinal cracks in the NiCrAlYHfSi coating increase with oxidation time prolonged. Cracks in NiCrAlYHfSi coating provide quick-diffusion channels for Ti and O ions. The Ni+CrAlYHfSiN coating is intact crack free during the whole oxidation process. Owing to the "fix effect" of nitrides, the Ni+CrAlYHfSiN composite coating effectively inhibits Ti diffusing to the surface to destroy the integrity of Al2O3 scale.
KeywordHigh temperature coating Oxidation MCrAlY Thermal stress
Funding OrganizationNational Nature Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Science and Technology Program of Guangzhou, Guangzhou, China
DOI10.1016/j.corsci.2021.109510
Indexed BySCI
Language英语
Funding ProjectNational Nature Science Foundation of China[52001137] ; Fundamental Research Funds for the Central Universities[21617339] ; Science and Technology Program of Guangzhou, Guangzhou, China[202007020008]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000657395600002
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/160253
Collection中国科学院金属研究所
Corresponding AuthorRen, Pan
Affiliation1.Jinan Univ, Inst Adv Wear & Corros Resistant & Funct Mat, Guangzhou 510632, Peoples R China
2.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China
3.Northeastern Univ, Shenyang Natl Lab Mat Sci, Corros & Protect Div, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Yang, Yingfei,Xiao, Qin,Ren, Pan,et al. Improved oxidation resistance of gamma-TiAl intermetallics by sputtered Ni plus CrAlYHfSiN composite coating[J]. CORROSION SCIENCE,2021,187:11.
APA Yang, Yingfei,Xiao, Qin,Ren, Pan,Li, Wei,Zhu, Shenglong,&Wang, Fuhui.(2021).Improved oxidation resistance of gamma-TiAl intermetallics by sputtered Ni plus CrAlYHfSiN composite coating.CORROSION SCIENCE,187,11.
MLA Yang, Yingfei,et al."Improved oxidation resistance of gamma-TiAl intermetallics by sputtered Ni plus CrAlYHfSiN composite coating".CORROSION SCIENCE 187(2021):11.
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