Effect of change in temperature on the tribological performance of micro surface textured DLC coating

Arslan, A; Masjuki, HH; Varman, M; Kalam, MA; Quazi, MM; Mosarof, MH

Effect of change in temperature on the tribological performance of micro surface textured DLC coating

Arslan, A Masjuki, HH Varman, M Kalam, MA Quazi, MM Mosarof, MH

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Publisher:: CAMBRIDGE UNIV PRESS
Publication Type:: Journal Article
Citation:: Journal of Materials Research, 2016, 31, (13), pp. 1837-1847
Issue Date:: 2016-07-14

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Field	Value	Language
dc.contributor.author	Arslan, A
dc.contributor.author	Masjuki, HH
dc.contributor.author	Varman, M
dc.contributor.author	Kalam, MA
dc.contributor.author	Quazi, MM
dc.contributor.author	Mosarof, MH
dc.date.accessioned	2022-08-15T05:51:22Z
dc.date.available	2022-08-15T05:51:22Z
dc.date.issued	2016-07-14
dc.identifier.citation	Journal of Materials Research, 2016, 31, (13), pp. 1837-1847
dc.identifier.issn	0884-2914
dc.identifier.issn	2044-5326
dc.identifier.uri	http://hdl.handle.net/10453/160219
dc.description.abstract	In this study, surface texturing and hydrogenated amorphous carbon (a-C:H) diamond-like carbon (DLC) coating was combined to evaluate the coating performance at various temperatures in oil lubricated reciprocating sliding tests. Micro dimples were created by laser surface texturing on M2 steel using a Pico second laser. DLC coating was deposited by hybrid magnetron sputtering on textured substrates. Textured a-C:H showed stable coefficient of friction at 30, 80, and 125 °C compared to un-textured a-C:H. At 30 °C, graphitization was not observed for both textured and un-textured DLC coating. Graphitization was more pronounced in the case of un-textured a-C:H at 80 and 125 °C. Results show that, at all temperatures tested (30-125 °C), DLC textured samples showed higher wear resistance compared to un-textured DLC coating. The improvement in wear resistance can be explained by the lower graphitization of textured DLC coating. Lower graphitization in the case of textured DLC might be due to the wear particle capturing and lubricant retention ability of textures.
dc.language	English
dc.publisher	CAMBRIDGE UNIV PRESS
dc.relation.ispartof	Journal of Materials Research
dc.relation.isbasedon	10.1557/jmr.2016.12
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0204 Condensed Matter Physics, 0912 Materials Engineering, 0913 Mechanical Engineering
dc.subject.classification	Materials
dc.title	Effect of change in temperature on the tribological performance of micro surface textured DLC coating
dc.type	Journal Article
utslib.citation.volume	31
utslib.for	0204 Condensed Matter Physics
utslib.for	0912 Materials Engineering
utslib.for	0913 Mechanical Engineering
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Civil and Environmental Engineering
utslib.copyright.status	closed_access	*
dc.date.updated	2022-08-15T05:51:21Z
pubs.issue	13
pubs.publication-status	Published
pubs.volume	31
utslib.citation.issue	13

Abstract:

In this study, surface texturing and hydrogenated amorphous carbon (a-C:H) diamond-like carbon (DLC) coating was combined to evaluate the coating performance at various temperatures in oil lubricated reciprocating sliding tests. Micro dimples were created by laser surface texturing on M2 steel using a Pico second laser. DLC coating was deposited by hybrid magnetron sputtering on textured substrates. Textured a-C:H showed stable coefficient of friction at 30, 80, and 125 °C compared to un-textured a-C:H. At 30 °C, graphitization was not observed for both textured and un-textured DLC coating. Graphitization was more pronounced in the case of un-textured a-C:H at 80 and 125 °C. Results show that, at all temperatures tested (30-125 °C), DLC textured samples showed higher wear resistance compared to un-textured DLC coating. The improvement in wear resistance can be explained by the lower graphitization of textured DLC coating. Lower graphitization in the case of textured DLC might be due to the wear particle capturing and lubricant retention ability of textures.

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http://hdl.handle.net/10453/160219