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Investigation of the role of silicon in TiAlSiN coating deposited on TiAl alloys during long-term oxidation
Zhang, Kai1,2; Xin, Li1; Ma, Tianyu1,3; Chang, Hao1,2; Lu, Yiliang1,2; Feng, Changjie4; Zhu, Shenglong1; Wang, Fuhui5
Corresponding AuthorXin, Li(xli@imr.ac.cn)
2022-08-01
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume204Pages:14
AbstractOne challenge for TiAl alloys to serve above 800 degrees C is insufficient oxidation resistance. In this article, long-term oxidation of TiAlSiN coated Ti-45Al-2Nb-2Mn, Ti-48Al-2Cr-2Nb and Ti-50Al were investigated at 900 degrees C. The results showed Al2O3 top layer in oxide scale which formed during earlier stage of oxidation kept protective during long-term oxidation. Presence of SiO2 layer at oxide/coating interface and segregations of SiO2 at grain boundaries were observed. Oxygen inner diffusion and titanium outer diffusion was inhibited and coating exhibited excellent oxidation resistance. Stable Ti5Si3 diffusion barrier layer formed at TiAlSiN/TiAl interface due to Si inward diffusion helped coating maintaining long-term stability.
KeywordTitanium Intermetallic TEM Oxidation High temperature corrosion
Funding OrganizationNational Natural Science Foundation of China ; Liaoning Revitalization Talents Program ; China and Innovation Project for Postgraduate of Institute of Metal Research, Chinese Academy of Sciences, China
DOI10.1016/j.corsci.2022.110394
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51871229] ; Liaoning Revitalization Talents Program[XLYC 2002031] ; China and Innovation Project for Postgraduate of Institute of Metal Research, Chinese Academy of Sciences, China
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000808358200001
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/174342
Collection中国科学院金属研究所
Corresponding AuthorXin, Li
Affiliation1.Chinese Acad Sci, Inst Met Res, 62 Wencui Rd, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, 72 Wenhua Rd, Shenyang 110016, Peoples R China
3.Northeastern Univ, Sch Mat Sci & Engn, 3-11 Wenhua Rd, Shenyang 110819, Peoples R China
4.Shenyang Aerosp Univ, Sch Mat Sci & Engn, 37 Daoyi South Ave, Shenyang 110136, Peoples R China
5.Northeastern Univ, Shenyang Natl Lab Mat Sci, 3-11 Wenhua Rd, Shenyang 110819, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Kai,Xin, Li,Ma, Tianyu,et al. Investigation of the role of silicon in TiAlSiN coating deposited on TiAl alloys during long-term oxidation[J]. CORROSION SCIENCE,2022,204:14.
APA Zhang, Kai.,Xin, Li.,Ma, Tianyu.,Chang, Hao.,Lu, Yiliang.,...&Wang, Fuhui.(2022).Investigation of the role of silicon in TiAlSiN coating deposited on TiAl alloys during long-term oxidation.CORROSION SCIENCE,204,14.
MLA Zhang, Kai,et al."Investigation of the role of silicon in TiAlSiN coating deposited on TiAl alloys during long-term oxidation".CORROSION SCIENCE 204(2022):14.
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