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Microstructure and Oxidation Resistance of a Si Doped Platinum Modified Aluminide Coating Deposited on a Single Crystal Superalloy
Fan, Qixiang1; Yu, Haojun2; Wang, Tiegang1; Liu, Yanmei1
Corresponding AuthorFan, Qixiang(qxfan@tute.edu.cn) ; Yu, Haojun(hjyu11s@imr.ac.cn)
2018-08-01
Source PublicationCOATINGS
ISSN2079-6412
Volume8Issue:8Pages:11
AbstractA Si doped Pt modified aluminide coating was prepared by electroplating and the chemical vapour deposition method. The microstructure and oxidation resistance of the coating were studied, with a single Pt modified aluminide coating as a reference. The results showed that the Si doped Pt modified aluminide coating consisted of singular beta-(Ni, Pt)Al phase, and no PtAl2 phase was detected, which might be due to the fact that the addition of Si retarded the formation of PtAl2 phase in the outer layer. Si was dissolved in the beta-(Ni, Pt)Al phase in the outer layer and might form silicide with refractory elements in the inter-diffusion zone. The Si doped Pt modified aluminide coating possesses a better oxidation resistance than the Pt modified aluminide coating since Si could promote the formation of alpha-Al2O3 and inhibit the diffusion of the refractory elements, reducing the formation of detrimental volatile phase.
Keywordmetal coatings superalloy platinum SEM oxidation
DOI10.3390/coatings8080264
Indexed BySCI
Language英语
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Coatings & Films
WOS IDWOS:000443252300009
PublisherMDPI
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/129300
Collection中国科学院金属研究所
Corresponding AuthorFan, Qixiang; Yu, Haojun
Affiliation1.Tianjin Univ Technol & Educ, Tianjin Key Lab High Speed Cutting & Precis Machi, Tianjin 300222, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Fan, Qixiang,Yu, Haojun,Wang, Tiegang,et al. Microstructure and Oxidation Resistance of a Si Doped Platinum Modified Aluminide Coating Deposited on a Single Crystal Superalloy[J]. COATINGS,2018,8(8):11.
APA Fan, Qixiang,Yu, Haojun,Wang, Tiegang,&Liu, Yanmei.(2018).Microstructure and Oxidation Resistance of a Si Doped Platinum Modified Aluminide Coating Deposited on a Single Crystal Superalloy.COATINGS,8(8),11.
MLA Fan, Qixiang,et al."Microstructure and Oxidation Resistance of a Si Doped Platinum Modified Aluminide Coating Deposited on a Single Crystal Superalloy".COATINGS 8.8(2018):11.
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