IMR OpenIR
Mechanical and corrosion properties in 3.5% NaCl solution of cold sprayed Al-based coatings
Zhang, Zhichao; Liu, Fuchun1; Han, En-Hou; Xu, Long
Corresponding AuthorLiu, Fuchun(fcliu@imr.ac.cn)
2020-03-15
Source PublicationSURFACE & COATINGS TECHNOLOGY
ISSN0257-8972
Volume385Pages:18
AbstractThe recent development of the cold spray method has made it possible to deposit dense coating with good adhesion and with almost no change in the microstructure, which is promising in repairing damaged Al-based aircraft skin. In this work, the in-situ shot-peening-assisted low-pressure cold spray method was used to deposit Al-based dense coatings with good mechanical and corrosion protection properties on AA 2024-T3 alloy. The detailed microstructure, coating adhesion, and corrosion protection performance were systematically investigated. A dense microstructure with low porosity (< 1.7%), high cohesive strength (> 45 MPa) is achieved for the coatings. By comparison, Al 5083 coating exhibited the optimum mechanical properties. The Al and Al 5083 coatings reveal similar pitting resistance and repassivation ability. During long-term immersion test (> 480 h) the corrosion resistance of Al 5083 coating surpassed that of CP Al coating. In conclusion, Al 5083 coating has a good combination of mechanical and anti-corrosion properties.
KeywordCold spraying Aluminum alloy coating Components repair Corrosion properties
Funding OrganizationSpecial Scientific Research on Civil Aircraft
DOI10.1016/j.surfcoat.2020.125372
Indexed BySCI
Language英语
Funding ProjectSpecial Scientific Research on Civil Aircraft[MJ-2016-F-07]
WOS Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Coatings & Films ; Physics, Applied
WOS IDWOS:000526980900033
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/138564
Collection中国科学院金属研究所
Corresponding AuthorLiu, Fuchun
Affiliation1.Chinese Acad Sci, Inst Met Res, Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Anhui, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Zhichao,Liu, Fuchun,Han, En-Hou,et al. Mechanical and corrosion properties in 3.5% NaCl solution of cold sprayed Al-based coatings[J]. SURFACE & COATINGS TECHNOLOGY,2020,385:18.
APA Zhang, Zhichao,Liu, Fuchun,Han, En-Hou,&Xu, Long.(2020).Mechanical and corrosion properties in 3.5% NaCl solution of cold sprayed Al-based coatings.SURFACE & COATINGS TECHNOLOGY,385,18.
MLA Zhang, Zhichao,et al."Mechanical and corrosion properties in 3.5% NaCl solution of cold sprayed Al-based coatings".SURFACE & COATINGS TECHNOLOGY 385(2020):18.
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