The SiO2:TiO2 hybrid biodegradable nanolubricant for sustainable machining: The stability, thermo-physical and tribology perspectives

Nurlisa, Hamzan and Irnie Azlin, Zakaria and Jaharah, Abdul Ghani and Nurul Hayati, Abdul Halim and Wan Azmi, Wan Hamzah and Zainoor Hailmee, Solihin and Ahsana Aqilah, Ahmad (2025) The SiO2:TiO2 hybrid biodegradable nanolubricant for sustainable machining: The stability, thermo-physical and tribology perspectives. Tribology International, 207 (110614). pp. 1-12. ISSN 0301-679X. (Published)

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DOI/Official URL: https://doi.org/10.1016/j.triboint.2025.110614

Abstract

The increase in awareness of environmental issues and economic concerns has enabled the emergence of sustainable machining termed Minimum Quantity Lubrication (MQL). However, the extreme conditions of high-speed cutting hard-to-cut materials have posed new challenges for MQL machining. Thus, the Nano MQL (NMQL) is introduced. In this research, hybrid SiO₂:TiO₂ nanoparticles are dispersed in a biodegradable base oil, and the stability, thermo-physical properties, and tribological perspectives are comprehensively investigated. Five volume concentrations of hybrid SiO₂:TiO₂ nanolubricants ranging from 0.01 % to 0.1 % volume concentration were investigated and compared against the base oil. In summary, 0.1 vol% hybrid SiO₂:TiO₂ in biodegradable base oil has demonstrated characteristics of potential advanced lubrication in MQL machining application

Item Type:	Article
Uncontrolled Keywords:	Biodegradable; Hybrid nanolubricants; MQL; Stability; Thermo-physical; Tribology
Subjects:	T Technology > TJ Mechanical engineering and machinery
Faculty/Division:	College of Engineering Faculty of Mechanical and Automotive Engineering Technology
Depositing User:	Mrs Norsaini Abdul Samat
Date Deposited:	12 Mar 2025 07:17
Last Modified:	12 Mar 2025 07:17
URI:	http://umpir.ump.edu.my/id/eprint/44076
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