Machining performance evaluation of eco-friendly copper oxide-based nanofluids in turning operations
- Authors: Manikanta J.E.1, Ambhore N.2, Murthy K.B.3, Thellaputta G.R.4, Agrawal D.5
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Affiliations:
- Department of Mechanical Engineering, Shri Vishnu Engineering College for Women (A)
- Department of Mechanical Engineering, Vishwakarma Institute of Technology, SPPU
- Department of Mechanical Engineering, Sasi Institute of Technology and Engineering
- Department of Mechanical Engineering, St. Ann's College of Engineering & Technology (Autonomous)
- Department of Mechanical Engineering, College of Engineering
- Issue: Vol 27, No 4 (2025)
- Pages: 6-15
- Section: TECHNOLOGY
- URL: https://bakhtiniada.ru/1994-6309/article/view/356660
- DOI: https://doi.org/10.17212/1994-6309-2025-27.4-6-15
- ID: 356660
Cite item
Abstract
Introduction. There is a growing demand for eco-friendly cutting fluids in machining due to their non-toxicity, sustainability, high performance, and ability to improve surface quality. These fluids support green manufacturing practices and promote a safe working environment. Copper oxide-based nanofluids offer the combined benefits of enhanced heat transfer, increased safety, and reduced tool wear and cutting forces. The purpose of the work. This research focuses on evaluating the performance of copper oxide-based cutting fluids in turning processes to support sustainable and eco-conscious manufacturing. The study investigates the turning of SS 304 steel using varying concentrations of copper oxide nanofluids. The methods of investigation. In this study, the turning process was tested under various machining conditions using different concentrations of copper oxide nanoparticles (0.3 %, 0.6 %, 0.9 %, 1.2 %, and 1.5 %). Corn oil was selected as the base oil, and the copper oxide nanoparticles were dispersed in the corn oil to prepare the nanofluid. Machining trials were conducted under different lubrication environments: dry, wet, minimum quantity lubrication (MQL), and nano-enhanced MQL (nMQL). A comparative study was performed to assess cutting temperature and cutting forces. Results and discussion. The results showed that the use of 1.2 % copper oxide nanofluid led to significant reductions in cutting force and cutting temperature, by approximately 17.54 % and 29.53 %, respectively, compared to traditional dry and wet machining environments. Furthermore, the nanofluid was observed to form a protective film at the tool-workpiece interface, reducing tool wear. These findings highlight the potential of copper oxide-based green cutting fluids to improve turning operation efficiency and promote environmentally sustainable practices.
About the authors
Javvadi Eswara Manikanta
Department of Mechanical Engineering, Shri Vishnu Engineering College for Women (A)
Email: manijem66@gmail.com
ORCID iD: 0000-0002-0881-4899
Scopus Author ID: 57223316697
ResearcherId: HJB-3990-2022
Ph.D. (Engineering), Associate Professor
India, 534202, India, Bhimavaram, Andhra PradeshNitin Ambhore
Department of Mechanical Engineering, Vishwakarma Institute of Technology, SPPU
Email: nitin.ambhore@vit.edu
ORCID iD: 0000-0001-8468-8057
Scopus Author ID: 56986482000
Ph.D. (Engineering), Associate Professor
India, 411037, India, Maharashtra, PuneKrishna Birudugadda Murthy
Department of Mechanical Engineering, Sasi Institute of Technology and Engineering
Email: bkmurthy@sasi.ac.in
ORCID iD: 0009-0007-4457-0266
Scopus Author ID: 58104851000
Ph.D. (Engineering), Associate Professor
India, 534101, India, TadepalligudemGopala Rao Thellaputta
Department of Mechanical Engineering, St. Ann's College of Engineering & Technology (Autonomous)
Email: drtgopalarao@gmail.com
ORCID iD: 0000-0001-5622-4140
Scopus Author ID: 57194035766
D.Sc. (Engineering), Professor
India, 523187, India, Chirala, Andhra PradeshDevendra Agrawal
Department of Mechanical Engineering, College of Engineering
Author for correspondence.
Email: dpagrawal@engg.svpm.org.in
ORCID iD: 0000-0002-2477-1841
Scopus Author ID: 56335664600
Ph.D. (Engineering), Associate Professor
India, 413115, India, Malegaon (Bk), Baramati, Maharashtra, PuneReferences
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