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Interfacial reactions and oxidation behavior of Al2O3 and Al2O3/Al coatings on an orthorhombic Ti2AlNb alloy
Li, H. Q.; Wang, Q. M.; Gong, J.; Sun, C.
Corresponding AuthorWang, Q. M.(qmwang@imr.ac.cn)
2011-02-15
Source PublicationAPPLIED SURFACE SCIENCE
ISSN0169-4332
Volume257Issue:9Pages:4105-4112
AbstractThe uniform and dense Al2O3 and Al2O3/Al coatings were deposited on an orthorhombic Ti2AlNb alloy by filtered arc ion plating. The interfacial reactions of the Al2O3/Ti2AlNb and Al2O3/Al/Ti2AlNb specimens after vacuum annealing at 750 degrees C were studied. In the Al2O3/Ti2AlNb specimens, the Al2O3 coating decomposed significantly due to reaction between the Al2O3 coating and the O-Ti2AlNb substrate. In the Al2O3/Al/Ti2AlNb specimens, a gamma-TiAl layer and an Nb-rich zone came into being by interdiffusion between the Al layer and the O-Ti2AlNb substrate. The gamma-TiAl layer is chemically compatible with Al2O3, with no decomposition of Al2O3 being detected. No internal oxidation or oxygen and nitrogen dissolution zone was observed in the O-Ti2AlNb alloy. The Al2O3/Al/Ti2AlNb specimens exhibited excellent oxidation resistance at 750 degrees C. (C) 2010 Elsevier B. V. All rights reserved.
KeywordAl2O3 O-Ti2AlNb alloy Interfacial reaction Oxidation
Funding OrganizationNatural Science Foundation of China
DOI10.1016/j.apsusc.2010.12.008
Indexed BySCI
Language英语
Funding ProjectNatural Science Foundation of China[50701046] ; Natural Science Foundation of China[50571101]
WOS Research AreaChemistry ; Materials Science ; Physics
WOS SubjectChemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000286459600050
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/105843
Collection中国科学院金属研究所
Corresponding AuthorWang, Q. M.
AffiliationChinese Acad Sci, Div Surface Engn Mat, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Li, H. Q.,Wang, Q. M.,Gong, J.,et al. Interfacial reactions and oxidation behavior of Al2O3 and Al2O3/Al coatings on an orthorhombic Ti2AlNb alloy[J]. APPLIED SURFACE SCIENCE,2011,257(9):4105-4112.
APA Li, H. Q.,Wang, Q. M.,Gong, J.,&Sun, C..(2011).Interfacial reactions and oxidation behavior of Al2O3 and Al2O3/Al coatings on an orthorhombic Ti2AlNb alloy.APPLIED SURFACE SCIENCE,257(9),4105-4112.
MLA Li, H. Q.,et al."Interfacial reactions and oxidation behavior of Al2O3 and Al2O3/Al coatings on an orthorhombic Ti2AlNb alloy".APPLIED SURFACE SCIENCE 257.9(2011):4105-4112.
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