Preparation of Flat and Smooth Copper Surface by Jet Electrochemical Machining and Electrochemical Polishing

Wang, Ke; Yan, Ying; Zhou, Ping; Zhang, Chao; Kang, Renke; Guo, Dongming

doi:10.1149/1945-7111/abcbb2

Cited by 17 publications

(13 citation statements)

References 52 publications

(88 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The chemicals used to prepare the liquid electrolyte are phosphoric acid, absolute ethanol, lactic acid, benzotriazole (BTA) and ammonium acetate. Table I shows the composition ratio 28,29 of each component of the electrolyte. The object of polishing is a 15 mm diameter Cu round block.…”

Section: Methodsmentioning

confidence: 99%

An Efficient Electrochemical Polishing Method with Planarization Ability Employing Solid and Liquid Electrolytes

Zhang¹,

Zhou²,

Guo³

2022

J. Electrochem. Soc.

Self Cite

View full text Add to dashboard Cite

Stress-free polishing is the most potential machining method for high-quality surfaces without surface defects. Traditional electrochemical polishing (L-ECP) is immersed in a liquid electrolyte to realize stress-free polishing. However, due to the limitation of its polishing principle, the electrochemical polishing process cannot improve the surface shape accuracy of the workpiece so far. In this work, a new method solid-liquid electrolyte electrochemical polishing (SL-ECP) for electrochemical polishing assisted by a solid electrolyte polishing pad is proposed. Power spectral density of the profile of polished surfaces were compared, and it was found that the low-spatial-frequency error was reduced by contacting the flat solid electrolyte surface with the workpiece surface. After SL-ECP, the roughness Sa of the workpiece decreased from the initial 82.83 nm to 2.92 nm (10 × 10 μm), and the peak-to-valley value of the entire workpiece surface decreased from the initial 16.39 to 1.81 μm. The material removal rate of SL-ECP was 35 times that of L-ECP using the same liquid electrolyte. This study not only proposes an efficient stress-free polishing method for high-quality surfaces, but also contributes to further understanding of the mechanism of electrochemical polishing.

show abstract

Section: Methodsmentioning

confidence: 99%

An Efficient Electrochemical Polishing Method with Planarization Ability Employing Solid and Liquid Electrolytes

Zhang¹,

Zhou²,

Guo³

2022

J. Electrochem. Soc.

Self Cite

View full text Add to dashboard Cite

show abstract

“…An electrochemical workstation (Gamry Instruments) with a three-electrode system, namely working electrode (maraging steel sample), counter electrode (platinum electrode), and reference electrode (Ag/AgCl electrode), is used for LSV. The voltage is swept between 10 to 0 V with a scan rate of 10 mV/s [15]. The potential must be swept in the cathodic direction to avoid any pitting of the electrode surface while achieving reproducible measurements [16].…”

Section: Electrochemical Analysismentioning

confidence: 99%

Parametric Investigation of EP To Enhance Surface Characteristics of Maraging Steel With Organic Electrolyte

Kumar

Das

2021

Preprint

View full text Add to dashboard Cite

Maraging steel 300 is widely used in aircraft, tools, and automotive industries, which requires a polished surface for better performance. In conventional methods of polishing, the abrasives directly contact the workpiece surface and deteriorate its property. Thus, a non-conventional method like Electropolishing (EP), is utilized to finish maraging steel with acetic acid (99.7 wt.%) and perchloric acid (70 wt.%) mixed in the volume of 3:1. Linear sweep voltammetry (LSV) is performed to determine the passive region that gives the best electropolishing performance. Different parameters, namely temperature, agitation, and polishing time and their effect on surface roughness and surface reflectance, are observed during EP. The optimized process parameters which give the best EP performance are the temperature at 60ºC, rotation of magnetic stirrer at 400 rpm, and polishing time of 6 minutes. An improvement of 56% in surface roughness and 60% in surface reflectance from its initial value of 21% is observed. EP makes the surface hydrophilic as the contact angle changes from 111.2º to 68.6º. Energy-Dispersive X-Ray Spectroscopy analysis suggests that after EP, a metal oxide layer forms on the surface which helps in increasing corrosion resistance.

show abstract

“…As a ultra-precision machining method, polishing is an important method to achieve nano-scale machining. Many scholars have also conducted various studies on polishing methods [18][19][20]. Due to the little research on the mechanism of UVAP of BK7 glass, the method is not widely used in actual processing.…”

Section: Introductionmentioning

confidence: 99%

The ultrasonic vibration–assisted polishing material removal model of tilted cylindrical polishing tool based on BK7 glass

Cui

Liang

Chen

et al. 2023

Int J Adv Manuf Technol

View full text Add to dashboard Cite

BK7 glass is widely used in various optical instruments as common ceramic material. However, there are still several difficulties in the polishing process due to its material properties. Ultrasonic vibration-assisted polishing (UVAP) is used widely for its excellent material removal properties. However, there are few researches on the model of UVAP material removal for tilted. Therefore, this paper investigates this problem. A model of UVAP material removal was established for titled column polishing; The pressure distribution and velocity distribution in the contact zone were modeled by means of experiments and geometric analysis. A series of orthogonal experiments were conducted, and the experimental results showed that the coefficient of determination was above 0.9 after fitting the actual profile to the predicted profile.The results of the orthogonal experiments were also analyzed by ANOVA. The predict error of maximum removal depth was less than 13.12%. The error of material removal rate (MRR) was less than 9.24%. By PSD analysis, it was found that the introduction of ultrasonic amplitude has a good effect on suppressing the medium and high frequency errors on the machined surface. The novel model can be used to optimize machining parameters and provide theoretical support for complex parts polishing.

show abstract

Preparation of Flat and Smooth Copper Surface by Jet Electrochemical Machining and Electrochemical Polishing

Cited by 17 publications

References 52 publications

An Efficient Electrochemical Polishing Method with Planarization Ability Employing Solid and Liquid Electrolytes

An Efficient Electrochemical Polishing Method with Planarization Ability Employing Solid and Liquid Electrolytes

Parametric Investigation of EP To Enhance Surface Characteristics of Maraging Steel With Organic Electrolyte

The ultrasonic vibration–assisted polishing material removal model of tilted cylindrical polishing tool based on BK7 glass

Contact Info

Product

Resources

About