Study on microstructure, mechanical and wear resistance properties of arc sprayed Al-Mg alloy coating

被引：1
|
作者：
Duc, Thanh Le [1 ]
Thi, Ha Pham [2 ,4 ]
Van, Tuan Nguyen [2 ]
Thu, Quy Le [3 ]
Thi, Ly Pham [2 ]
Nguyen, Tuan Anh [2 ]
Quoc, Cuong Ly [2 ]
Bich, Thuy Dao [2 ]
机构：
[1] Le Quy Don Tech Univ, Fac Mech Engn, 236 Hoang Quoc Viet, Hanoi 10000, Vietnam
[2] Vietnam Acad Sci & Technol VAST, Inst Trop Technol, 18 Hoang Quoc Viet, Hanoi 100000, Vietnam
[3] Natl Key Lab Welding & Surface Treatment Technol, 4 Pham Van Dong, Hanoi 10000, Vietnam
[4] Vietnam Acad Sci & Technol, Inst Trop Technol, Lab Data Trop Tests & Environm, 18 Hoang Quoc Viet, Hanoi 10000, Vietnam
来源：
VIETNAM JOURNAL OF CHEMISTRY | 2023年 / 61卷 / S3期
关键词：
Al-Mg coating; Al-Mg alloy; arc sprayed Al-Mg coating; electric arc spraying; wear resistance; CORROSION-FATIGUE; MOLTEN ALUMINUM; SEAWATER; BEHAVIOR;
D O I：
10.1002/vjch.202300084
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In this investigation, Al-Mg alloy coating samples were deposited by the electric arc spray technique on SS400 steel substrate at various spraying parameters, namely, the spray current (150, 200 and 300 A), the air pressure (4, 4.5 and 5.5 bar) and the stand-off distance (100, 162.8 and 200 mm). The structure morphology, phase composition, porosity, microhardness, adhesion and wear resistance of the coating were studied. The obtained results showed that the coating at the spray current of 300 A, the air pressure of 5.5 bar and the stand-off distance of 162.8 mm has the lowest porosity and highest microhardness. In addition, this coating also has better adhesion to the steel substrate and wear resistance than other coatings. Moreover, X-ray phase analysis showed that the following phases are created on the surface of the Al-Mg coatings: Al, Al2MgO4 and Al3Mg2.
引用
收藏
页码：77 / 83
页数：7
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