About: Structure, mechanical properties and tribology of W-N and W-O coatings

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We are presenting here a summary of our recent work on tungsten nitride (nitrogen content 0-58 at.%) and tungsten oxide (oxygen content 0-75 at.%) coatings deposited by reactive magnetron sputtering. Our aim has been the analysis of the connection of fundamental properties of these films, such as chemical composition, structure, hardness, Young's modulus and residual stress, with their tribological properties - friction coefficient and wear rate. We have been focussed mainly on the description of the dominant wear mechanisms influencing the tribological properties. The tribological tests have been carried out both at room and elevated temperature; the temperature was increased in steps until immediate coatings failure. The tungsten nitride coating with the %22worst%22 parameters generally considered as vital for high wear resistance, such as hardness, were considered to have the best tribological performance. We are presenting here a summary of our recent work on tungsten nitride (nitrogen content 0-58 at.%) and tungsten oxide (oxygen content 0-75 at.%) coatings deposited by reactive magnetron sputtering. Our aim has been the analysis of the connection of fundamental properties of these films, such as chemical composition, structure, hardness, Young's modulus and residual stress, with their tribological properties - friction coefficient and wear rate. We have been focussed mainly on the description of the dominant wear mechanisms influencing the tribological properties. The tribological tests have been carried out both at room and elevated temperature; the temperature was increased in steps until immediate coatings failure. The tungsten nitride coating with the %22worst%22 parameters generally considered as vital for high wear resistance, such as hardness, were considered to have the best tribological performance. (en)
Title	Structure, mechanical properties and tribology of W-N and W-O coatings Structure, mechanical properties and tribology of W-N and W-O coatings (en)
skos:prefLabel	Structure, mechanical properties and tribology of W-N and W-O coatings Structure, mechanical properties and tribology of W-N and W-O coatings (en)
skos:notation	RIV/68407700:21230/10:00168479!RIV11-MSM-21230___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(KJB201240701), Z(MSM6840770038)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Polcar, Tomáš
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	290502
http://linked.open...ai/riv/idVysledku	RIV/68407700:21230/10:00168479
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	tungsten nitride; tungsten oxide; tribology; wear (en)
http://linked.open.../riv/klicoveSlovo	tribology wear tungsten nitride tungsten oxide
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[56CA57477445]
http://linked.open...i/riv/nazevZdroje	International Journal of Refractory Metals and Hard Materials
http://linked.open...in/vavai/riv/obor	JK
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Nanocomposite coatings with improved wear resistance at elevated temperatures
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	28
http://linked.open...iv/tvurceVysledku	Cavaleiro, A. Polcar, Tomáš
http://linked.open...ain/vavai/riv/wos	000272096400003
http://linked.open...n/vavai/riv/zamer	Decision Making and Control for Manufacturing III
issn	0263-4368
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	21230
is http://linked.open...avai/riv/vysledek of	Structure, mechanical properties and tribology of W-N and W-O coatings Structure, mechanical properties and tribology of W-N and W-O coatings Structure, mechanical properties and tribology of W-N and W-O coatings

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