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Oxidation of duplex coatings with different thickness ratio of the inner nanocrystalline layer to the outer NiCrAlY one
Yang, Lanlan1,2; Chen, Minghui1,3; Wang, Jinlong1,3; Bao, Zebin1,2; Zhu, Shenglong1,2; Wang, Fuhui1,3
Corresponding AuthorChen, Minghui(mhchen@mail.neu.edu.cn) ; Bao, Zebin(zbbao@imr.ac.cn)
2018-10-01
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume143Pages:136-147
AbstractOxidation behavior of three duplex coatings with different thickness ratio of the inner nanocrystalline layer to the outer NiCrAlY one (1:2, 1:1 and 2:1) on N5 single-crystal superalloy is investigated. Results indicate that Ta in the inner layer can transport through the NiCrAlY one to the outer surface and to be oxidized there, which accelerates oxidation. Meanwhile, Cr and Al will diffuse from the NiCrAlY layer through the inner one to the alloy substrate, resulting in precipitation of TCP phases. Layer thickness ratio plays an important role in oxidation of the duplex coatings by affecting such elements interdiffusion.
KeywordSuperalloys Metal coatings SEM TEM Oxidation
Funding OrganizationNational Natural Science Foundation of China ; joint fund of the Equipment Pre-research ; Fundamental Research Funds for the Central Universities ; Ministry of Education
DOI10.1016/j.corsci.2018.08.029
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51671053] ; joint fund of the Equipment Pre-research ; Fundamental Research Funds for the Central Universities[N160205001] ; Ministry of Education[6141A020332-004]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000447570500015
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/129945
Collection中国科学院金属研究所
Corresponding AuthorChen, Minghui; Bao, Zebin
Affiliation1.Chinese Acad Sci, Inst Met Res, Lab Corros & Protect, Shenyang 110016, Liaoning, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230000, Anhui, Peoples R China
3.Northeastern Univ, Sch Mat Sci & Engn, Minist Educ, Key Lab Anisotropy & Texture Mat, Shenyang 110819, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Yang, Lanlan,Chen, Minghui,Wang, Jinlong,et al. Oxidation of duplex coatings with different thickness ratio of the inner nanocrystalline layer to the outer NiCrAlY one[J]. CORROSION SCIENCE,2018,143:136-147.
APA Yang, Lanlan,Chen, Minghui,Wang, Jinlong,Bao, Zebin,Zhu, Shenglong,&Wang, Fuhui.(2018).Oxidation of duplex coatings with different thickness ratio of the inner nanocrystalline layer to the outer NiCrAlY one.CORROSION SCIENCE,143,136-147.
MLA Yang, Lanlan,et al."Oxidation of duplex coatings with different thickness ratio of the inner nanocrystalline layer to the outer NiCrAlY one".CORROSION SCIENCE 143(2018):136-147.
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