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Statements

Subject Item
n2:RIV%2F68407700%3A21230%2F11%3A00176647%21RIV12-MSM-21230___
rdf:type
skos:Concept n12:Vysledek
dcterms: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.
dcterms: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
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
skos:notation
RIV/68407700:21230/11:00176647!RIV12-MSM-21230___
n12:predkladatel
n13:orjk%3A21230
n4:aktivita
n15:S n15:P
n4:aktivity
P(GAP108/10/0218), S
n4:cisloPeriodika
10
n4:dodaniDat
n7:2012
n4:domaciTvurceVysledku
n8:8570256 Pimentel Bernardo, Joao Vitor
n4:druhVysledku
n10:J
n4:duvernostUdaju
n17:S
n4:entitaPredkladatele
n20:predkladatel
n4:idSjednocenehoVysledku
232752
n4:idVysledku
RIV/68407700:21230/11:00176647
n4:jazykVysledku
n11:eng
n4:klicovaSlova
tribology; MoS2; self-lubricant; coating; magnetron sputtering
n4:klicoveSlovo
n5:tribology n5:self-lubricant n5:coating n5:magnetron%20sputtering n5:MoS2
n4:kodStatuVydavatele
NL - Nizozemsko
n4:kontrolniKodProRIV
[AE3E88747671]
n4:nazevZdroje
Surface and Coatings Technology
n4:obor
n9:JI
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
3
n4:projekt
n16:GAP108%2F10%2F0218
n4:rokUplatneniVysledku
n7:2011
n4:svazekPeriodika
205
n4:tvurceVysledku
Cavaleiro, A. Pimentel Bernardo, Joao Vitor Polcar, Tomáš
n4:wos
000286866400021
s:issn
0257-8972
s:numberOfPages
6
n19:doi
10.1016/j.surfcoat.2010.11.043
n18:organizacniJednotka
21230