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Preparation of TiAl3-Al Composite Coating by Cold Spray and Its High Temperature Oxidation Behavior
Kong, L. Y.; Shen, L.; Lu, B.; Yang, R.; Cui, X. Y.; Li, T. F.; Xiong, T. Y.
Corresponding AuthorKong, L. Y.(lykong@imr.ac.cn)
2010-12-01
Source PublicationJOURNAL OF THERMAL SPRAY TECHNOLOGY
ISSN1059-9630
Volume19Issue:6Pages:1206-1210
AbstractA novel TiAl3-Al coating was prepared by cold spray for high temperature protection of titanium aluminum-based alloy. The substrate alloy was orthorhombic-Ti-22Al-26Nb (at.%). The composite coating was mainly composed of TiAl3 embedded in the matrix of residual aluminum. An interlayer about 10 mu m was formed between the coating and the substrate. The oxidation test indicated that this composite coating was very effective in improving the high-temperature oxidation resistance of the substrate alloy at 950 A degrees C in the tested 150 cycles without any sign of degradation. The microstructure analysis of the oxidized composite coating showed that an Al2O3 scale with a complex structure can be formed outside the interlayer during oxidation and no oxides beneath the interlayer were detected, which indicated that the complex continuous Al2O3 and the interlayer provide the protection of the substrate at high-temperature oxidation condition.
KeywordTiAl3-Al composite coating High temperature oxidation Cold spray Orthorhombic Ti2AlNb alloy
Funding OrganizationNational Natural Science Foundation of China
DOI10.1007/s11666-010-9516-x
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[50971127]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Coatings & Films
WOS IDWOS:000284141900008
PublisherSPRINGER
Citation statistics
Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/102740
Collection中国科学院金属研究所
Corresponding AuthorKong, L. Y.
AffiliationChinese Acad Sci, Inst Met Res, State Key Lab Corros & Protect, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Kong, L. Y.,Shen, L.,Lu, B.,et al. Preparation of TiAl3-Al Composite Coating by Cold Spray and Its High Temperature Oxidation Behavior[J]. JOURNAL OF THERMAL SPRAY TECHNOLOGY,2010,19(6):1206-1210.
APA Kong, L. Y..,Shen, L..,Lu, B..,Yang, R..,Cui, X. Y..,...&Xiong, T. Y..(2010).Preparation of TiAl3-Al Composite Coating by Cold Spray and Its High Temperature Oxidation Behavior.JOURNAL OF THERMAL SPRAY TECHNOLOGY,19(6),1206-1210.
MLA Kong, L. Y.,et al."Preparation of TiAl3-Al Composite Coating by Cold Spray and Its High Temperature Oxidation Behavior".JOURNAL OF THERMAL SPRAY TECHNOLOGY 19.6(2010):1206-1210.
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