Corrosion resistance of AlN monolayer and Al/AlN multilayer deposited by filtered cathodic vacuum arc

被引：17
作者：
Xie, Wenling [1 ,2 ,3 ]
Zhao, Yiman [3 ]
Chen, Shunian [1 ]
Liao, Bin [1 ]
Zhang, Sam [3 ]
Hua, Qingsong [1 ]
He, Guangyu [4 ]
机构：
[1] Beijing Normal Univ, Coll Nucl Sci & Technol, Key Lab Beam Technol, Minist Educ, Beijing 100875, Peoples R China
[2] Sichuan Univ Sci & Engn, Sch Mech Engn, Zigong 643000, Peoples R China
[3] Southwest Univ, Sch Mat & Energy, Chongqing 400715, Peoples R China
[4] AF Engn Univ, Sci & Technol Plasma Dynam Lab, Xian 710038, Peoples R China
来源：
THIN SOLID FILMS | 2023年 / 772卷
关键词：
Filter cathodic vacuum arc; Magnesium alloy; Aluminum; Aluminum nitride; Multilayer; Corrosion resistance; MAGNESIUM ALLOY; PVD-COATINGS; TRIBOLOGICAL PROPERTIES; STRESS-ANALYSIS; DLC FILMS; BEHAVIOR; MG; OXIDATION; MICROSTRUCTURE; COMPOSITE;
D O I：
10.1016/j.tsf.2023.139762
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The AlN monolayer and (Al/AlN)5 multilayer coatings were deposited on AZ31 magnesium alloys by filtered cathodic vacuum arc technology. The AlN monolayer showed a dense structure, but there were some holes at the coating/substrate interface. The (Al/AlN)5 multilayer showed a compact layered structure and the holes were interrupted by the Al/AlN interface. Both AlN monolayer and (Al/AlN)5 multilayer provided excellent corrosion resistance for magnesium alloys, with low corrosion current density of 1.91 x 10-6 and 1.11 x 10-6 A/cm2 , respectively. Better corrosion resistance of the (Al/AlN)5 multilayer is attributed to its denser layered structure, better adhesion strength, better crack propagation resistance, and deformation coordination between coating and substrate during corrosion.
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页数：11
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