Surface Properties of Medium-Entropy Alloy Coatings Prepared through a Combined Process of Laser Cladding and Ultrasonic Burnishing

被引：3
|
作者：
Shen, Xuehui [1 ,2 ]
Liu, Chang [1 ,2 ]
Wang, Baolin [1 ,2 ]
Zhang, Yu [1 ,2 ]
Su, Guosheng [1 ,2 ]
Li, Anhai [3 ]
机构：
[1] Qilu Univ Technol, Sch Mech Engn, Shandong Acad Sci, Jinan 250353, Peoples R China
[2] Shandong Inst Mech Design & Res, Jinan 250031, Peoples R China
[3] Shandong Univ, Sch Mech Engn, Key Lab High Efficiency & Clean Mech Manufacture, Jinan 250061, Peoples R China
来源：
MATERIALS | 2022年 / 15卷 / 16期
基金：
中国国家自然科学基金;
关键词：
medium-entropy alloy; laser cladding; ultrasonic burnishing; surface roughness; wear resistance; MECHANICAL-PROPERTIES; CORROSION-RESISTANCE; MAGNESIUM ALLOY; WEAR-RESISTANCE; BEHAVIOR; ROUGHNESS; WAVINESS; STEEL;
D O I：
10.3390/ma15165576
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The preparation of functional coatings on metal substrates is an effective method to enhance the surface of steel structures with good serviceability in applications for engineering parts. The objective of this research is to analyze the surface properties of two sorts of medium-entropy alloy (MEA) coatings prepared by laser cladding. After cladding, the two prepared coatings were strengthened by ultrasonic burnishing (UB) treatment. Cladding coating samples before and after being UB-treated were comparatively tested in order to investigate the process effects of UB. When compared with corresponding untreated coating samples, the roughness values of the two sorts of UB-treated samples were decreased by 88.7% and 87.6%, the porosities were decreased by 63.8% and 73.4%, and the micro-hardness values were increased by 41.7% and 32.7%, respectively. Furthermore, the two sorts of UB-treated coating samples exhibited better mechanical properties and wear resistance than corresponding untreated samples.
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收藏
页数：17
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