Influence of Laser Scanning Speed on Wear and Corrosion Resistance of Aluminum-Nickel Coating on Magnesium Alloy

被引：0
|
作者：
Gao, Yali [1 ]
Jiang, Shan [1 ]
Lu, Pengyong [1 ]
Bai, Sicheng [1 ]
Zhang, Dongdong [1 ]
Jie, Meng [2 ]
机构：
[1] Northeast Elect Power Univ, Dept Mech Engn, 169 Changchun Rd, Jilin 132012, Peoples R China
[2] Jilin Inst Chem Technol, Sch Mech Elect Engn, Jilin 132022, Peoples R China
来源：
PROCESSES | 2024年 / 12卷 / 08期
关键词：
laser cladding; Mg alloy; Al-Ni coating; wear resistance; corrosion resistance; SURFACE-LAYERS; BEHAVIOR; MICROSTRUCTURE; CLAD; AZ80;
D O I：
10.3390/pr12081689
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
To improve the wear and corrosion resistance, Al-Ni coating was prepared on Mg alloy by laser cladding, and the influence of the laser scanning speed on the microstructure, wear and corrosion resistance of the coatings was systematically analyzed. The results showed that the coatings with different scanning speeds were composed of Al3Ni2, Mg17Al12 and Mg2Al3 phases. The coatings presented fine needle-like grains. Under different scanning speeds, the microhardness of the coatings was 3.3-4.8 times that of the substrate, and the wear volume of the coatings was decreased by 40.08-51.38%. The coating with a laser scanning speed of 600 mm/min had the highest hardness, the best wear and corrosion resistance.
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页数：15
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