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A fundamental aspect of the growth process of alumina scale on a metal with dispersion of CeO2 nanoparticles
Peng, X.; Guan, Y.; Dong, Z.; Xu, C.; Wang, F.
Corresponding AuthorPeng, X.(xpeng@imr.ac.cn)
2011-05-01
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume53Issue:5Pages:1954-1959
AbstractThe dispersion of CeO2 nanoparticles resulted in a decrease of the oxidation rate of an ultrafine-grained Ni2Al3 at 1000 degrees C. The reason is explained as follows. During oxidation many Ce ions are released from the CeO2 nanoparticles that are enveloped by the inward growing alpha-Al2O3 from the scale/metal interface due to an increased solubility. The Ce ions transport outward along grain boundaries of the scale, retarding the diffusion of Al ions for the thickening of the outer theta-Al2O3. This explanation is consistent with an observation that many CeO2 nano-precipitates appeared mainly in the near-surface zone of the formed alumina scale. (C) 2011 Elsevier Ltd. All rights reserved.
KeywordAlloy Metal coatings TEM XRD SEM Oxidation
Funding OrganizationNational Basic Research Program of China ; Ministry of Science and Technology China ; National Natural Science Foundation of China (NSFC)
DOI10.1016/j.corsci.2011.02.014
Indexed BySCI
Language英语
Funding ProjectNational Basic Research Program of China[2010CB934604] ; Ministry of Science and Technology China ; National Natural Science Foundation of China (NSFC)[51071162]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000289866400038
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:45[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/104684
Collection中国科学院金属研究所
Corresponding AuthorPeng, X.
AffiliationChinese Acad Sci, State Key Lab Corros & Protect, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Peng, X.,Guan, Y.,Dong, Z.,et al. A fundamental aspect of the growth process of alumina scale on a metal with dispersion of CeO2 nanoparticles[J]. CORROSION SCIENCE,2011,53(5):1954-1959.
APA Peng, X.,Guan, Y.,Dong, Z.,Xu, C.,&Wang, F..(2011).A fundamental aspect of the growth process of alumina scale on a metal with dispersion of CeO2 nanoparticles.CORROSION SCIENCE,53(5),1954-1959.
MLA Peng, X.,et al."A fundamental aspect of the growth process of alumina scale on a metal with dispersion of CeO2 nanoparticles".CORROSION SCIENCE 53.5(2011):1954-1959.
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