OBRABOTKAMETALLOV Vol. 27 No. 1 2025 technology and multi-walled carbon nanotubes to the base oil. The optimal concentration and nanoparticle type were identified. The main findings are summarized below: ● Corn oil significantly affects the thermophysical characteristics such as viscosity and thermal conductivity compared to other vegetable oils. ● Of the four nanoparticle types investigated, graphene nanoparticles provided the greatest reduction in cutting force, temperature, and surface roughness during the turning process. Experimentally, the use of corn oil containing 0.8 wt. % graphene nanoparticles resulted in a cutting force of 104 N, which is 29.8 % less than that of pure corn oil. ● The nanofluid’s effectiveness in reducing cutting force, cutting temperature, and surface roughness decreases at given nanoparticle concentrations (1 wt. %). However, at a high concentration (1 wt. %), the load reduction decreases because of a significant agglomeration of nanoparticles. The optimal nanoparticle concentration in corn oil is 0.8 wt. %. The potential for future research in sustainable machining processes is significant. Means to mitigate environmental damage compared to traditional lubrication methods and lubricants are proposed, and promising developments in economic and social aspects are demonstrated. Expanding the exploration of green nano-cutting fluids (NCF) under MQL, future research could investigate di- and tri-hybrid nanoparticles to enhance the functional properties of cutting fluids, including the development of biosynthesis plant extract routes for nanoparticle preparation, and assess the impact of developed NCF on the performance characteristics of various metals, alloys, and composites during turning. References 1. Ghosh S., Rao P.V. Application of sustainable techniques in metal cutting for enhanced machinability: a review. Journal of Cleaner Production, 2015, vol. 100, pp. 17–34. DOI: 10.1016/j.jclepro.2015.03.039. 2. O’Sullivan D., Cotterell M. Temperature measurement in single point turning. Journal of Materials Processing Technology, 2001, vol. 118 (1–3), pp. 301–308. DOI: 10.1016/S0924-0136(01)00853-6. 3. Waydande R.P., Ghatge D.A. Performance evaluation of cutting parameters for surface roughness & power consumption in turning of 904l stainless steel using vegetable oil based cutting fluids. Advanced Manufacturing and Materials Science: Selected Extended Papers of ICAMMS. Springer, 2018, pp. 317–325. DOI: 10.1007/978-3-31976276-0_32. 4. Cetin M.H., Ozcelik B., Kuram E., Demirbas E. Evaluation of vegetable based cutting fluids with extreme pressure and cutting parameters in turning of AISI 304L by Taguchi method. Journal of Cleaner Production, 2011, vol. 19, pp. 2049–2056. DOI: 10.1016/j.jclepro.2011.07.013. 5. Manikanta J.E.,Ambhore N., Nikhare C.Application of sustainable techniques in grinding process for enhanced machinability: a review. Journal of the Brazilian Society of Mechanical Sciences and Engineering, 2024, vol. 46. DOI: 10.1007/s40430-024-04801-5. 6. Katna R., Suhaib M., Agrawal N. Nonedible vegetable oil-based cutting fluids for machining processes – a review. Materials and Manufacturing Processes, 2020, vol. 35 (1), pp. 1–32. DOI: 10.1080/10426914.2019. 1697446. 7. Adler D.P., Hii W.S., Michalek D.J., Sutherland J.W. Examining the role of cutting fluids in machining and efforts to address associated environmental/health concerns. Machining Science and Technology, 2006, vol. 10 (1), pp. 23–58. DOI: 10.1080/10910340500534282. 8. Agrawal S.M., Patil N.G. Experimental study of non edible vegetable oil as a cutting fluid in machining of M2 steel using MQL. Procedia Manufacturing, 2028, vol. 20, pp. 207–212. 9. Sankaranarayanan R., Krolczyk G.M. A comprehensive review on research developments of vegetable-oil based cutting fluids for sustainable machining challenges. Journal of Manufacturing Processes, 2021, vol. 67, pp. 286–313. DOI: 10.1016/j.jmapro.2021.05.002. 10. Sharif M.N., Pervaiz S., Deiab I. Potential of alternative lubrication strategies for metal cutting processes: a review. The International Journal of Advanced Manufacturing Technology, 2017, vol. 89, pp. 2447–2479. DOI: 10.1007/s00170-016-9298-5. 11. Kazeem R.A., Fadare D.A., Akande I.G., Jen T.C., Akinlabi S.A., Akinlabi E.T. Evaluation of crude watermelon oil as lubricant in cylindrical turning of AISI 1525 steel employing Taguchi and grey relational analyses techniques. Heliyon, 2024, vol. 10 (3). DOI: 10.1016/j.heliyon.2024.e25349.
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