IMR OpenIR
MICROSTRUCTURE, CORROSION AND WEAR RESISTANCES OF MICROARC OXIDATION COATING ON Al ALLOY 7075
Wang Yanqiu1; Wang Yue2; Chen Paiming2; Shao Yawei1; Wang Fuhui1,3
Corresponding AuthorWang Yanqiu(qiuorwang@hrbeu.edu.cn)
2011-04-01
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume47Issue:4Pages:455-461
AbstractMicroarc oxidation (MAO), an important surface treatment technology for Al alloys in stead of hard anodization, was applied to prepare coating on Al alloy 7075, of which the microstructure and properties of the anti corrosion and anti wear were studied by XRD, SEM, neutral salt spray (NSS) test and ball on disc friction and wear test. The results show that the MAO coating formed on Al alloy 7075 mainly consists of gamma-Al(2)O(3), alpha-Al(2)O(3) and some amorphous SiO(2). Si element results from electrolyte or from substrate. MAO coating exhibits excellent corrosion resistance, for example, coatings with thickness of 70 mu m can endure more than 2000 h in NSS test even without seal treatment. Dense microstructure of MAO coating results in the excellent corrosion resistance. Post seal treatment can greatly enhance the corrosion resistance of the MAO coating, even for thin coating. MAO coating fabricated on Al alloy 7075 possesses similar friction coefficient but much higher wear resistance compared with hard anodized film, for example, the former is as 50 times as the wear resistance of the later. The MAO coating is just slightly worn and its frication coefficient remains unchanged throughout the test.
KeywordAl alloy microarc oxidation coating corrosion resistance wear resistance
Funding OrganizationFundamental Research Funds for the Central Universities
DOI10.3724/SP.J.1037.2011.00010
Indexed BySCI
Language英语
Funding ProjectFundamental Research Funds for the Central Universities[HEUCFR1021]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000290353700012
PublisherSCIENCE CHINA PRESS
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/105274
Collection中国科学院金属研究所
Corresponding AuthorWang Yanqiu
Affiliation1.Harbin Engn Univ, Corros & Protect Lab, Coll Mat Sci & Chem Engn, Harbin 150001, Peoples R China
2.Luoyang Ship Mat Res Inst, Luoyang 471039, Peoples R China
3.Chinese Acad Sci, State Key Lab Corros & Protect, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Wang Yanqiu,Wang Yue,Chen Paiming,et al. MICROSTRUCTURE, CORROSION AND WEAR RESISTANCES OF MICROARC OXIDATION COATING ON Al ALLOY 7075[J]. ACTA METALLURGICA SINICA,2011,47(4):455-461.
APA Wang Yanqiu,Wang Yue,Chen Paiming,Shao Yawei,&Wang Fuhui.(2011).MICROSTRUCTURE, CORROSION AND WEAR RESISTANCES OF MICROARC OXIDATION COATING ON Al ALLOY 7075.ACTA METALLURGICA SINICA,47(4),455-461.
MLA Wang Yanqiu,et al."MICROSTRUCTURE, CORROSION AND WEAR RESISTANCES OF MICROARC OXIDATION COATING ON Al ALLOY 7075".ACTA METALLURGICA SINICA 47.4(2011):455-461.
Files in This Item:
There are no files associated with this item.
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Wang Yanqiu]'s Articles
[Wang Yue]'s Articles
[Chen Paiming]'s Articles
Baidu academic
Similar articles in Baidu academic
[Wang Yanqiu]'s Articles
[Wang Yue]'s Articles
[Chen Paiming]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Wang Yanqiu]'s Articles
[Wang Yue]'s Articles
[Chen Paiming]'s Articles
Terms of Use
No data!
Social Bookmark/Share
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.