Bio-Nanocoolants in Electropolishing: Corrosion Behavior, Prospects, and Potential Applications

International Journal of Mechanical Engineering

© 2025 by SSRG - IJME Journal

Volume 12 Issue 10

Year of Publication : 2025

Authors : Yuli Panca Asmara, Firda Herlina, Jainal arifin, Robiatul Adawiyah

10.14445/23488360/IJME-V12I10P104

How to Cite?

Yuli Panca Asmara, Firda Herlina, Jainal arifin, Robiatul Adawiyah, "Bio-Nanocoolants in Electropolishing: Corrosion Behavior, Prospects, and Potential Applications," SSRG International Journal of Mechanical Engineering, vol. 12,  no. 10, pp. 30-45, 2025. Crossref, https://doi.org/10.14445/23488360/IJME-V12I10P104

Abstract:

The integration of bio-based nanofluids as coolants in the electropolishing process offers a promising pathway for industrial diversification. These nanofluids not only enhance surface quality but also contribute to sustainable manufacturing. Electropolishing, an electrochemical process that naturally generates heat, requires careful thermal control to avoid localized overheating and maintain stable operation in advanced manufacturing settings. This work examined bio-nanocoolants prepared from biodegradable base fluids combined with nanoparticles such as Al₂O₃, CuO, and TiO₂. The tests showed that adding these nanoparticles increased thermal conductivity by as much as 18% and lowered the surface roughness of stainless steel after electropolishing by about 25% compared with traditional electrolytes. Some of the nanoparticles also acted in a catalytic manner, improving the efficiency of anodic dissolution. Importantly, the bio-nanocoolants proved to be non-corrosive and met environmental requirements. Overall, the study suggests that bio-nanocoolants not only enhance electropolishing performance but also support the broader goals of sustainable and environmentally responsible manufacturing.

Keywords:

Bio-nanocoolant, Electropolish, Stainless steel.

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