Studies on air jet erosion behavior of plasma-sprayed Cr2C3 coatings on Al6061 alloy

被引:3
作者
Kumar, G. S. Pradeep [1 ]
Keshavamurthy, R. [2 ]
Kumar, M. Harish [1 ]
Yogaraju, Raghu [3 ]
Sachit, T. S. [4 ]
Prasad, C. Durga [5 ]
机构
[1] CHRIST Univ, Dept Mech & Automobile Engn, Bengaluru 560074, India
[2] Dayananda Sagar Coll Engn, Dept Mech Engn, Bangalore 560078, India
[3] BMS Coll Engn, Dept Mech Engn, Bengaluru 560004, India
[4] Symbiosis Inst Technol, Dept Robot & Automat, Pune 412115, India
[5] RV Inst Technol & Management, Dept Mech Engn, Bengaluru 560076, Karnataka, India
来源
RESULTS IN SURFACES AND INTERFACES | 2024年 / 16卷
关键词
Plasma spray coating process; Al6061; Air jet erosion test; Standoff distance; Powder feed rate; HIGH-TEMPERATURE EROSION; SOLID PARTICLE EROSION; WEAR BEHAVIOR; SLIDING WEAR; HVOF; MICROSTRUCTURE; RESISTANCE; VELOCITY; SLURRY; STEEL;
D O I
10.1016/j.rsurfi.2024.100278
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This study assesses the efficacy of plasma-sprayed Cr2C3 coatings on AA6061 aluminum alloy in reducing erosion at different angles (30, 60, and 90 degrees). The experimental setup involved maintaining a distance of 80 mm between the components, feeding the powder at a rate of 55 g/min, and applying a current density of 460 amps. Weight loss measurements and surface morphology analyses were performed using scanning electron and confocal microscopy. The findings suggest that the Cr2C3 coating significantly improves erosion resistance when compared to specimens without any coating. The erosion angle had a significant impact on the performance of the coating. The coating experienced the least weight loss at an angle of 30 degrees (28.45 g), followed by increased losses at angles of 60 degrees (30.34 g) and 90 degrees (34.2 g). These findings emphasize the significance of the impact angle in determining the severity of material removal.
引用
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页数:14
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