Microstructure and Wear Resistance of Amorphous FeMnCrNiBNb Coating Prepared by High-Speed Arc Spraying

被引：5

作者：

Liu, Jitao ^{[1
]}

Lin, Jinran ^{[1
]}

Kang, Min ^{[1
]}

Ndumia, Joseph Ndiithi ^{[1
]}

机构：

[1] Nanjing Agr Univ, Coll Engn, Nanjing 210031, Peoples R China

来源：

JOURNAL OF THERMAL SPRAY TECHNOLOGY | 2023年 / 32卷 / 06期

基金：

中国国家自然科学基金;

关键词：

amorphous coating; gear remanufacturing; HVAS; microstructural characterization; wear resistance; METALLIC-GLASS COATINGS; MECHANICAL-PROPERTIES; TRIBOLOGICAL PROPERTIES; CORROSION BEHAVIORS; OXIDATION BEHAVIOR; COMPOSITE COATINGS; FE; TEMPERATURE; VELOCITY; STEEL;

D O I：

10.1007/s11666-023-01594-2

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A novel Fe-based amorphous coating has been prepared on a 17CrNiMo6 substrate by high-speed arc spraying (HVAS). Using an orthogonal experimental design, the spray parameters were optimized within the experimental range. The optimal spray parameters were a voltage of 40 V, a current of 200 A, a spray distance of 200 mm, and a spray pressure of 0.65 MPa. The amorphous FeMnCrNiBNb coating consisted of amorphous phases and had a tensile strength of 53 +/- 4 MPa. The microhardness of the amorphous FeMnCrNiBNb coating was 1550 +/- 52 HV0.1. The amorphous FeMnCrNiBNb coating exhibited better wear resistance properties than the 17CrNiMo6 substrate at different sliding speeds. The wear mechanism of the amorphous FeMnCrNiBNb coating is oxidative wear and surface fatigue wear, tending to adhesive wear with increasing sliding speed.

引用

页码：1698 / 1713

页数：16

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