IMR OpenIR
Thermal growth of exclusive alumina scale on a TiAl based alloy: Shot peening effect
Huang, Y.1; Peng, X.2,3; Dong, Z.3; Cui, Y.4
Corresponding AuthorPeng, X.(xpeng@imr.ac.cn)
2018-10-01
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume143Pages:76-83
AbstractShot peening, although generally accepted as a useful surface treatment method to improve oxidation resistance of Ni-, Co- and Fe-based alloys, has been less applied to TiAl based alloys. This work shows that a shot peening treatment converts the Ti-45Al-2Nb-2Mn-1B alloy from thermally growing TiO2-Al2O3 mixed oxides to an exclusive Al2O3 in air at 900 degrees C. The basic reason for this is that the shot peening catalyzes formation of an alpha-Al2O3 thin film, which prevents Ti of the alloy from oxidation at the high temperature. The slow oxidation of the shot peened alloy mitigates the degradation of typical gamma/alpha 2 lamellar microstructure.
KeywordIntermetallics SEM TEM XPS Oxidation
Funding OrganizationNational Natural Science Foundation of China (NSFC)
DOI10.1016/j.corsci.2018.08.024
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China (NSFC)[51471178]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000447570500009
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/129723
Collection中国科学院金属研究所
Corresponding AuthorPeng, X.
Affiliation1.Univ Sci & Technol China, Coll Mat Sci & Engn, Hefei 230026, Anhui, Peoples R China
2.Nanchang Hangkong Univ, Sch Mat Sci & Engn, 696 Fenghenan Ave, Nanchang 330063, Jiangxi, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Lab Corros & Protect, Shenyang 110016, Liaoning, Peoples R China
4.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Huang, Y.,Peng, X.,Dong, Z.,et al. Thermal growth of exclusive alumina scale on a TiAl based alloy: Shot peening effect[J]. CORROSION SCIENCE,2018,143:76-83.
APA Huang, Y.,Peng, X.,Dong, Z.,&Cui, Y..(2018).Thermal growth of exclusive alumina scale on a TiAl based alloy: Shot peening effect.CORROSION SCIENCE,143,76-83.
MLA Huang, Y.,et al."Thermal growth of exclusive alumina scale on a TiAl based alloy: Shot peening effect".CORROSION SCIENCE 143(2018):76-83.
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