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Nano-tribological characterisation of palm oil-based trimethylolpropane ester for application as boundary lubricant

To isolate shearing of boundary film from direct surface-to-surface asperity interactions, the study determines boundary lubrication properties of palm oil-based TMPE (PTMPE) using Lateral Force Microscopy coupled with fluid imaging. PTMPE is produced through a series of 3-step transesterification p...

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Main Authors:	Hamdan, S. H., Chong, W. W. F., Ng, J. H., Chong, C.T., Zhang, H.
Format:	Article
Published:	Elsevier Ltd. 2018
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://eprints.utm.my/id/eprint/84166/ https://doi.org/10.1016/j.triboint.2018.05.036
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id	my.utm.84166
record_format	eprints
spelling	my.utm.841662019-12-16T03:20:35Z http://eprints.utm.my/id/eprint/84166/ Nano-tribological characterisation of palm oil-based trimethylolpropane ester for application as boundary lubricant Hamdan, S. H. Chong, W. W. F. Ng, J. H. Chong, C.T. Zhang, H. TJ Mechanical engineering and machinery To isolate shearing of boundary film from direct surface-to-surface asperity interactions, the study determines boundary lubrication properties of palm oil-based TMPE (PTMPE) using Lateral Force Microscopy coupled with fluid imaging. PTMPE is produced through a series of 3-step transesterification processes, converting palm oil (PO) into palm methyl ester (PME) and finally into PTMPE. It is shown that PME generates the lowest friction. However, using Eyring thermal activation energy approach, PME is shown to possess less desirable load bearing property, portraying a form of stiction or adhesive nature. Even though friction is higher, PTMPE exhibits better load bearing ability, demonstrating the onset of lubricant laminar flow due to increased hydrodynamic effect, which is not observed for the PO and PME measurements. Elsevier Ltd. 2018 Article PeerReviewed Hamdan, S. H. and Chong, W. W. F. and Ng, J. H. and Chong, C.T. and Zhang, H. (2018) Nano-tribological characterisation of palm oil-based trimethylolpropane ester for application as boundary lubricant. Tribology International, 127 . pp. 1-9. ISSN 0301-679X https://doi.org/10.1016/j.triboint.2018.05.036
institution	Universiti Teknologi Malaysia
building	UTM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Teknologi Malaysia
content_source	UTM Institutional Repository
url_provider	http://eprints.utm.my/
topic	TJ Mechanical engineering and machinery
spellingShingle	TJ Mechanical engineering and machinery Hamdan, S. H. Chong, W. W. F. Ng, J. H. Chong, C.T. Zhang, H. Nano-tribological characterisation of palm oil-based trimethylolpropane ester for application as boundary lubricant
description	To isolate shearing of boundary film from direct surface-to-surface asperity interactions, the study determines boundary lubrication properties of palm oil-based TMPE (PTMPE) using Lateral Force Microscopy coupled with fluid imaging. PTMPE is produced through a series of 3-step transesterification processes, converting palm oil (PO) into palm methyl ester (PME) and finally into PTMPE. It is shown that PME generates the lowest friction. However, using Eyring thermal activation energy approach, PME is shown to possess less desirable load bearing property, portraying a form of stiction or adhesive nature. Even though friction is higher, PTMPE exhibits better load bearing ability, demonstrating the onset of lubricant laminar flow due to increased hydrodynamic effect, which is not observed for the PO and PME measurements.
format	Article
author	Hamdan, S. H. Chong, W. W. F. Ng, J. H. Chong, C.T. Zhang, H.
author_facet	Hamdan, S. H. Chong, W. W. F. Ng, J. H. Chong, C.T. Zhang, H.
author_sort	Hamdan, S. H.
title	Nano-tribological characterisation of palm oil-based trimethylolpropane ester for application as boundary lubricant
title_short	Nano-tribological characterisation of palm oil-based trimethylolpropane ester for application as boundary lubricant
title_full	Nano-tribological characterisation of palm oil-based trimethylolpropane ester for application as boundary lubricant
title_fullStr	Nano-tribological characterisation of palm oil-based trimethylolpropane ester for application as boundary lubricant
title_full_unstemmed	Nano-tribological characterisation of palm oil-based trimethylolpropane ester for application as boundary lubricant
title_sort	nano-tribological characterisation of palm oil-based trimethylolpropane ester for application as boundary lubricant
publisher	Elsevier Ltd.
publishDate	2018
url	http://eprints.utm.my/id/eprint/84166/ https://doi.org/10.1016/j.triboint.2018.05.036
_version_	1654960049984897024
score	13.211869

Nano-tribological characterisation of palm oil-based trimethylolpropane ester for application as boundary lubricant

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