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Structure and properties of newly designed MAO/TiN coating on AZ31B Mg alloy
Department固体润滑国家重点实验室
Cui, Xue-Jun1,2; Ping, Jing1; Zhang, Ying-Jun1; Jin, Yong-Zhong1; Zhang GA(张广安)3
2017
Source PublicationSurface & Coatings Technology
ISSN0257-8972
Volume328Pages:319-325
Abstract

A duplex MAO/TiN coating was fabricated on AZ31B Mg alloy through micro-arc oxidation (MAO) followed by a multi-arc ion plating (M-AIP) process. The structure, composition, and corrosion resistance of these coated samples were evaluated using SEM, EDS, XRD, and electrochemical methods. The results showed that the porous MAO layer was effectively sealed by the M-AIP layer, indicating that the MAO layer can act as an interlayer to offer an inert rough surface and necessary hardness for the Mg alloy to bond with the M-AIP layer (especially for a hard coating such as TiN). The MAO/Ti-coated samples exhibited the worst corrosion resistance and lower hardness compared with the MAO-coated samples, while the MAOffiN coating provided higher corrosion resistance and hardness. It can be speculated that unavoidable defects such as pores and cracks are responsible for the poor properties. Although the MAO layer was demonstrated to improve the interfacial compatibility between the hard coating and the soft substrate, a compact and dense hard coating is still essential to ensure the corrosion.and wear resistance of Mg alloys.

KeywordMagnesium Alloy Coatings Micro-arc Oxidation Multi-arc Ion Plating Tin
Subject Area材料科学与物理化学
DOI10.1016/j.surfcoat.2017.08.053
Funding Organizationthe Science and Technology Planning Project (2016JZ0032) of Sichuan Province;Talent Introduction Fund (2017RCL15) of the Sichuan University of Science and Engineering;Opening Project (2016sdlsm001) from Shandong Key Laboratory for High Strength Lightweight Metallic Materials, China
Indexed BySCI
If2.589
Language英语
Funding Project低维材料摩擦学研究组
compositor第三作者单位
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.licp.cn/handle/362003/22741
Collection固体润滑国家重点实验室(LSL)
Corresponding AuthorCui, Xue-Jun
Affiliation1.Sichuan Univ Sci & Engn, Sch Mat Sci & Engn, Zigong 643000, Peoples R China
2.Shandong Acad Sci, Adv Mat Inst, Shandong Key Lab High Strength Lightweight Metall, Jinan 250014, Shandong, Peoples R China
3.Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Gansu, Peoples R China
Recommended Citation
GB/T 7714
Cui, Xue-Jun,Ping, Jing,Zhang, Ying-Jun,et al. Structure and properties of newly designed MAO/TiN coating on AZ31B Mg alloy[J]. Surface & Coatings Technology,2017,328:319-325.
APA Cui, Xue-Jun,Ping, Jing,Zhang, Ying-Jun,Jin, Yong-Zhong,&Zhang GA.(2017).Structure and properties of newly designed MAO/TiN coating on AZ31B Mg alloy.Surface & Coatings Technology,328,319-325.
MLA Cui, Xue-Jun,et al."Structure and properties of newly designed MAO/TiN coating on AZ31B Mg alloy".Surface & Coatings Technology 328(2017):319-325.
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