About: Structural, mechanical and tribological properties of Mo-S-C solid lubricant coating

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Mo-S-C self-lubricating coatings were deposited by d.c. magnetron sputtering from carbon and molybdenum disulphide targets. The power ratio of the targets was varied in order to prepare films with carbon content in the range 0-55 at.%. Whatever the carbon content, the S/Mo ratio was higher than 1.25. The hardness of the films increased almost linearly with the carbon content. X-ray photoelectron spectroscopy showed evidence of Mo-C bonds; nevertheless, the size of molybdenum carbide grains was expected to be very small, since X-ray diffraction did not reveal any peaks related to any Mo-C phase. The coatings tested by pin-on-disc exhibited low friction, decreasing with increasing carbon content, when humid air was present. In nitrogen, the friction of all films was lower than 0.02 except for the reference MoS2 (0.04). Mo-S-C outperformed the wear resistance of MoS2; on the other hand, the results were in some cases hindered by the low adhesion of the coatings. Mo-S-C self-lubricating coatings were deposited by d.c. magnetron sputtering from carbon and molybdenum disulphide targets. The power ratio of the targets was varied in order to prepare films with carbon content in the range 0-55 at.%. Whatever the carbon content, the S/Mo ratio was higher than 1.25. The hardness of the films increased almost linearly with the carbon content. X-ray photoelectron spectroscopy showed evidence of Mo-C bonds; nevertheless, the size of molybdenum carbide grains was expected to be very small, since X-ray diffraction did not reveal any peaks related to any Mo-C phase. The coatings tested by pin-on-disc exhibited low friction, decreasing with increasing carbon content, when humid air was present. In nitrogen, the friction of all films was lower than 0.02 except for the reference MoS2 (0.04). Mo-S-C outperformed the wear resistance of MoS2; on the other hand, the results were in some cases hindered by the low adhesion of the coatings. (en)
Title	Structural, mechanical and tribological properties of Mo-S-C solid lubricant coating Structural, mechanical and tribological properties of Mo-S-C solid lubricant coating (en)
skos:prefLabel	Structural, mechanical and tribological properties of Mo-S-C solid lubricant coating Structural, mechanical and tribological properties of Mo-S-C solid lubricant coating (en)
skos:notation	RIV/68407700:21230/11:00176647!RIV12-MSM-21230___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(GAP108/10/0218), S
http://linked.open...iv/cisloPeriodika	10
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Polcar, Tomáš Pimentel Bernardo, Joao Vitor
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta elektrotechnická
http://linked.open...dnocenehoVysledku	232752
http://linked.open...ai/riv/idVysledku	RIV/68407700:21230/11:00176647
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	tribology; MoS2; self-lubricant; coating; magnetron sputtering (en)
http://linked.open.../riv/klicoveSlovo	tribology magnetron sputtering self-lubricant MoS2 coating
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[AE3E88747671]
http://linked.open...i/riv/nazevZdroje	Surface and Coatings Technology
http://linked.open...in/vavai/riv/obor	JI
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Advanced self-adaptive low friction coatings based on transition metal dichalcogenides alloyed with carbon
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	205
http://linked.open...iv/tvurceVysledku	Cavaleiro, A. Polcar, Tomáš Pimentel Bernardo, Joao Vitor
http://linked.open...ain/vavai/riv/wos	000286866400021
issn	0257-8972
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.surfcoat.2010.11.043
http://localhost/t...ganizacniJednotka	21230

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