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Investigation of tool wear and surface integrity on MQL machining of Ti-GAL-4V using biodegradable oil

Abd Rahim, Erween and Sasahara, Hiroyuki (2011) Investigation of tool wear and surface integrity on MQL machining of Ti-GAL-4V using biodegradable oil. Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, 225 (9). pp. 1505-1511. ISSN 0954-4054

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Abstract

Minimum quantity lubrication (MQL) machining involves the application of small quantity of lubricant to the tool-workpiece interface. This paper describes the results of an investigation on the effects of using different MQL lubricants (synthetic ester and palm oil) on the drilling of Ti-6Al-4V. Dry cutting was also performed for comparison purposes. It was found that &-filing under dry conditions resulted in the shortest tool life due to severe chipping. MQL is beneficial to the measured responses such as tool life, thrust force, torque, and temperature. The outstanding performance of palm oil in reducing the value of those responses was attributed to its ability to form a thin film which promoted boundary lubrication during the machining process. The presented results indicated the substantial benefit of using palm oil in terms of micro hardness, surface roughness, and subsurface deformation. This work shows that palm oil can be used as a viable alternative to a synthetic ester as a MQL lubricant.

Item Type: Article
Uncontrolled Keywords: minimum quantity lubrication; synthetic ester; palm oil; surEace integrity
Subjects: T Technology > TJ Mechanical engineering and machinery > TJ1040-1119 Machinery exclusive of prime movers
Divisions: Faculty of Mechanical and Manufacturing Engineering > Department of Manufacturing and Industrial Engineering
Depositing User: Normajihan Abd. Rahman
Date Deposited: 25 Jul 2013 07:34
Last Modified: 22 Jan 2015 00:33
URI: http://eprints.uthm.edu.my/id/eprint/3873
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