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Corrosion mechanism of CuAl-NiC abradable seal coating system-The influence of porosity, multiphase, and multilayer structure on the corrosion failure
Ni, Yumeng1,2; Zhang, Fan3; Njoku, Demian, I1; Yu, Yingjie1,2; Pan, Jinshan4; Meng, Meijiang1; Li, Ying1,5
Corresponding AuthorLi, Ying(liying@imr.ac.cn)
2021-10-20
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume88Pages:258-269
AbstractIn this study, the corrosion behavior of the CuAl-NiC abradable seal coating system in chloride solution was investigated to systematically research the effect of porosity, multiphase, and multilayer structure on the corrosion failure. Through the composition and structure analysis, the corrosion process of the system was predicted and then verified with mercury intrusion porosimetry, cross-section SEM/EDS analysis, and electrochemical measurements. The results demonstrated that the interphase selective corrosion caused the porosity of the top layer to decrease first and then increase during the corrosion development. The interlayer galvanic corrosion, determined by the pore connectivity, is crucial for corrosion failure. (c) 2021 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordAbradable seal coating system Galvanic corrosion Multilayer Porosity
Funding OrganizationNational Natural Science Foundation of China
DOI10.1016/j.jmst.2021.01.068
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51671198]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000696991000009
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/166984
Collection中国科学院金属研究所
Corresponding AuthorLi, Ying
Affiliation1.Chinese Acad Sci, Inst Met Res, Corros & Protect Div, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Technol, Shenyang 110016, Peoples R China
3.Univ Sussex, Sch Engn & Informat, Dept Engn & Design, Brighton BN1 9RH, E Sussex, England
4.KTH Royal Inst Technol, Div Surface & Corros Sci, Drottning Kristinas Vag 51, SE-10044 Stockholm, Sweden
5.Northeastern Univ, Shenyang Natl Lab Mat Sci, Shenyang 110819, Peoples R China
Recommended Citation
GB/T 7714
Ni, Yumeng,Zhang, Fan,Njoku, Demian, I,et al. Corrosion mechanism of CuAl-NiC abradable seal coating system-The influence of porosity, multiphase, and multilayer structure on the corrosion failure[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2021,88:258-269.
APA Ni, Yumeng.,Zhang, Fan.,Njoku, Demian, I.,Yu, Yingjie.,Pan, Jinshan.,...&Li, Ying.(2021).Corrosion mechanism of CuAl-NiC abradable seal coating system-The influence of porosity, multiphase, and multilayer structure on the corrosion failure.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,88,258-269.
MLA Ni, Yumeng,et al."Corrosion mechanism of CuAl-NiC abradable seal coating system-The influence of porosity, multiphase, and multilayer structure on the corrosion failure".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 88(2021):258-269.
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