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Tribological performance of DLC/DLC and steel/DLC contacts in the presence of additivated oil

In this study, the tribological properties of ta-C DLC were largely influenced by the counter surfaces and additives. The DLC/DLC contact showed approximately 60% lower wear when tested with additivated oil compared to that of base oil and this result was 66% in steel/DLC contact. Friction coefficie...

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Main Authors:	Mannan, Abdul, Sabri, Mohd Faizul Mohd, Kalam, Md. Abul, Masjuki, Haji Hassan
Format:	Article
Published:	Inderscience 2018
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://eprints.um.edu.my/21345/ https://doi.org/10.1504/IJSURFSE.2018.090055
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id	my.um.eprints.21345
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spelling	my.um.eprints.213452019-05-28T02:05:16Z http://eprints.um.edu.my/21345/ Tribological performance of DLC/DLC and steel/DLC contacts in the presence of additivated oil Mannan, Abdul Sabri, Mohd Faizul Mohd Kalam, Md. Abul Masjuki, Haji Hassan TJ Mechanical engineering and machinery In this study, the tribological properties of ta-C DLC were largely influenced by the counter surfaces and additives. The DLC/DLC contact showed approximately 60% lower wear when tested with additivated oil compared to that of base oil and this result was 66% in steel/DLC contact. Friction coefficient in DLC/DLC contact was lower than in steel/DLC contact under both oils. But however, both contacts showed slightly higher friction coefficient under additivated oil compared to that of base oil. In steel/DLC, the thermo-chemical reaction between carbon and iron and/or the fusion of the transferred particles were prevented by additives which were present under base oil. The fracture found on DLC surface in steel/DLC contact under additivated oil indicates that the tribolayer formed on the steel surface would be of brittle nature. The passivation of surfaces in DLC/DLC contact by additives prevented the damage which was observed under base oil. Inderscience 2018 Article PeerReviewed Mannan, Abdul and Sabri, Mohd Faizul Mohd and Kalam, Md. Abul and Masjuki, Haji Hassan (2018) Tribological performance of DLC/DLC and steel/DLC contacts in the presence of additivated oil. International Journal of Surface Science and Engineering, 12 (1). pp. 60-75. ISSN 1749-785X https://doi.org/10.1504/IJSURFSE.2018.090055 doi:10.1504/IJSURFSE.2018.090055
institution	Universiti Malaya
building	UM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Malaya
content_source	UM Research Repository
url_provider	http://eprints.um.edu.my/
topic	TJ Mechanical engineering and machinery
spellingShingle	TJ Mechanical engineering and machinery Mannan, Abdul Sabri, Mohd Faizul Mohd Kalam, Md. Abul Masjuki, Haji Hassan Tribological performance of DLC/DLC and steel/DLC contacts in the presence of additivated oil
description	In this study, the tribological properties of ta-C DLC were largely influenced by the counter surfaces and additives. The DLC/DLC contact showed approximately 60% lower wear when tested with additivated oil compared to that of base oil and this result was 66% in steel/DLC contact. Friction coefficient in DLC/DLC contact was lower than in steel/DLC contact under both oils. But however, both contacts showed slightly higher friction coefficient under additivated oil compared to that of base oil. In steel/DLC, the thermo-chemical reaction between carbon and iron and/or the fusion of the transferred particles were prevented by additives which were present under base oil. The fracture found on DLC surface in steel/DLC contact under additivated oil indicates that the tribolayer formed on the steel surface would be of brittle nature. The passivation of surfaces in DLC/DLC contact by additives prevented the damage which was observed under base oil.
format	Article
author	Mannan, Abdul Sabri, Mohd Faizul Mohd Kalam, Md. Abul Masjuki, Haji Hassan
author_facet	Mannan, Abdul Sabri, Mohd Faizul Mohd Kalam, Md. Abul Masjuki, Haji Hassan
author_sort	Mannan, Abdul
title	Tribological performance of DLC/DLC and steel/DLC contacts in the presence of additivated oil
title_short	Tribological performance of DLC/DLC and steel/DLC contacts in the presence of additivated oil
title_full	Tribological performance of DLC/DLC and steel/DLC contacts in the presence of additivated oil
title_fullStr	Tribological performance of DLC/DLC and steel/DLC contacts in the presence of additivated oil
title_full_unstemmed	Tribological performance of DLC/DLC and steel/DLC contacts in the presence of additivated oil
title_sort	tribological performance of dlc/dlc and steel/dlc contacts in the presence of additivated oil
publisher	Inderscience
publishDate	2018
url	http://eprints.um.edu.my/21345/ https://doi.org/10.1504/IJSURFSE.2018.090055
_version_	1643691538097635328
score	13.211869

Tribological performance of DLC/DLC and steel/DLC contacts in the presence of additivated oil

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