Influence of MQL parameters on surface roughness and temperature in end milling of titanium alloy

Noor Ismail, Aiman Nazrin and Tomadi, Siti Haryani and Abd Halim, Nor Farah Huda and Sulaiman, Mohd Amri and Zalani, Mohd Reza (2025) Influence of MQL parameters on surface roughness and temperature in end milling of titanium alloy. Jurnal Tribologi, 47 (NA). pp. 121-137. E-ISSN 2289-7232

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Abstract

This paper addresses the challenge of optimizing Minimum Quantity Lubrication (MQL) parameters in the end milling of titanium alloys, where improper lubrication can lead to increased friction, elevated temperatures, and poor surface quality. The study aims to enhance machining performance by systematically investigating the effects of lubrication flow rate, nozzle distance, and nozzle angle on key performance metrics such as surface roughness and cutting temperature. The Taguchi method was employed to design experiments and analyse the influence of these parameters, enabling the identification of optimal conditions. Results revealed that a flow rate of 10 m³/s, nozzle distance of 20 mm, and nozzle angle of 60° minimized surface roughness to 0.66 μm and a flow rate of 10 m³/s, nozzle distance of 10 mm, and nozzle angle of 30° reduced cutting temperature to 58°C, significantly improving machining efficiency. This research highlights the importance of precise MQL parameter control and contributes to advancing sustainable manufacturing practices by reducing environmental impact and enhancing process efficiency.

Item Type:	Article (Journal)
Uncontrolled Keywords:	Minimum Quantity, Lubrication (MQL), Titanium alloy, Silicon dioxide, End milling, Taguchi method
Subjects:	T Technology > T Technology (General) > T175 Industrial research. Research and development
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Engineering Kulliyyah of Engineering > Department of Manufacturing and Materials Engineering
Depositing User:	Dr Siti Haryani Tomadi
Date Deposited:	13 Oct 2026 11:52
Last Update:	13 Oct 2026 12:14
Queue Number:	2026-10-Q5556
URI:	http://irep.iium.edu.my/id/eprint/131493
Indexed In:	WOS and SCOPUS, Google Scholar, MyCite

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