Experimental study on ultrasonic-assisted electrolyte plasma polishing of SUS304 stainless steel

被引:0
作者
Yangjian Chen
Jun Yi
Zongwei Wang
Wei Zhou
Hui Deng
机构
[1] Hunan University of Science and Technology,College of Mechanic Engineering
[2] Hunan Provincial Key Laboratory of High Efficiency and Precision Machining of Difficult-to-Cut Material,undefined
来源
The International Journal of Advanced Manufacturing Technology | 2023年 / 124卷
关键词
Electrolyte plasma polishing; Ultrasonic-assisted; SUS304 stainless steel; Polishing efficiency; Surface roughness;
D O I
暂无
中图分类号
学科分类号
摘要
A new method of ultrasonic-assisted electrolyte plasma polishing (UEPP) is proposed to solve the problem that the oxidation layer generated on the anode workpiece surface in the process of electrolytic plasma and polishing (EPP) cannot be removed completely, which affects the polishing efficiency and surface quality of the workpiece. Firstly, the polishing mechanism of UEPP is described and set up an experimental platform. Taking SUS304 stainless steel as the experimental object, comparative experiments of UEPP and EPP polishing are carried out to verify the beneficial effect of ultrasonic vibration on improving polishing efficiency and polishing quality. The results show that under the same polishing parameters, the introduction of ultrasonic vibration can improve the polishing efficiency by nearly 30%. After UEPP process, the workpiece has better surface texture, the number of surface scratches is greatly reduced, and lower surface roughness can be obtained. In addition, 40 kHz is the best ultrasonic vibration parameter. The optimization experiments of UEPP polishing process parameters are further carried out. For SUS304 stainless steel, the optimal polishing process parameters are power supply voltage of 250 V, polishing solution concentration of 4%wt, polishing solution temperature of 80 ℃ under 40 kHz ultrasonic-assisted conditions. The surface roughness of the experimental workpiece can be reduced from the initial Sa0.5 μm to Sa0.02 μm after 40 min of polishing under the optimized process parameters.
引用
收藏
页码:2835 / 2846
页数:11
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