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Corrosion behaviour of AIP NiCoCrAlYSiB coating in salt spray tests
Bao, Z. B.1; Wang, Q. M.1; Li, W. Z.1,2; Gong, J.1; Xiong, T. Y.1; Sun, C.1
Corresponding AuthorSun, C.(csun@imr.ac.cn)
2008-03-01
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume50Issue:3Pages:847-855
AbstractNiCoCrAlYSiB coatings were deposited by arc ion plating (AIP) and annealed/pre-oxidised under various conditions. The corrosion behaviour of as-deposited and annealed/pre-oxidised coatings was studied by salt spray testing in a neutral mist of 5 wt% NaCL at 35 degrees C for 200 h. The results showed that the as-deposited NiCoCrAlYSiB coating behaved poorly while the annealed and pre-oxidised ones performed much better in salt spray tests. The dense microstructure in annealed coatings and formation of alpha-Al2O3 scales on the surface during pre-oxidation improved the corrosion resistance in salt spray test. The corrosion process was investigated from the aspects of corrosion products, and its electrochemical mechanism was proposed as well. (C) 2007 Elsevier Ltd. All rights reserved.
Keywordsuperalloys metal coatings potentiostatic atmospheric corrosion pitting corrosion
DOI10.1016/j.corsci.2007.09.004
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000254665500025
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:23[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/93710
Collection中国科学院金属研究所
Corresponding AuthorSun, C.
Affiliation1.Chinese Acad Sci, Met Res Inst, Div Surface Engn Mat, Shenyang 110016, Peoples R China
2.Guangxi Univ, Sch Resources & Environm, Nanning 530004, Peoples R China
Recommended Citation
GB/T 7714
Bao, Z. B.,Wang, Q. M.,Li, W. Z.,et al. Corrosion behaviour of AIP NiCoCrAlYSiB coating in salt spray tests[J]. CORROSION SCIENCE,2008,50(3):847-855.
APA Bao, Z. B.,Wang, Q. M.,Li, W. Z.,Gong, J.,Xiong, T. Y.,&Sun, C..(2008).Corrosion behaviour of AIP NiCoCrAlYSiB coating in salt spray tests.CORROSION SCIENCE,50(3),847-855.
MLA Bao, Z. B.,et al."Corrosion behaviour of AIP NiCoCrAlYSiB coating in salt spray tests".CORROSION SCIENCE 50.3(2008):847-855.
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