About: Tribological analysis of thin films by pin-on-disc: evaluation of friction and wear measurement uncertainty

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About: Tribological analysis of thin films by pin-on-disc: evaluation of friction and wear measurement uncertainty Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Pin-on-disc is widely used to evaluate tribological properties of thin films. However, the results are often present without standard uncertainties; moreover, in many cases the standard uncertainty is replaced by standard deviation, which is strong underestimation of real uncertainty. In thus study we have followed ISO and NIST guidelines to investigate possible sources of uncertainties related to friction and wear rate measurement and to apply them on two selected coating systems – TiN and DLC. We show that influence of operator is a significant contribution to the uncertainty of the wear rate, particularly in the case of very low wear of DLC coatings. We discuss why variance should be used instead statistic deviation and suggest method to calculate uncertainties in case of small number of measurements. The paper could be used as a guide to evaluate friction and wear data of thin films and coatings using pin-on-disc technique. Pin-on-disc is widely used to evaluate tribological properties of thin films. However, the results are often present without standard uncertainties; moreover, in many cases the standard uncertainty is replaced by standard deviation, which is strong underestimation of real uncertainty. In thus study we have followed ISO and NIST guidelines to investigate possible sources of uncertainties related to friction and wear rate measurement and to apply them on two selected coating systems – TiN and DLC. We show that influence of operator is a significant contribution to the uncertainty of the wear rate, particularly in the case of very low wear of DLC coatings. We discuss why variance should be used instead statistic deviation and suggest method to calculate uncertainties in case of small number of measurements. The paper could be used as a guide to evaluate friction and wear data of thin films and coatings using pin-on-disc technique. (en)
Title	Tribological analysis of thin films by pin-on-disc: evaluation of friction and wear measurement uncertainty Tribological analysis of thin films by pin-on-disc: evaluation of friction and wear measurement uncertainty (en)
skos:prefLabel	Tribological analysis of thin films by pin-on-disc: evaluation of friction and wear measurement uncertainty Tribological analysis of thin films by pin-on-disc: evaluation of friction and wear measurement uncertainty (en)
skos:notation	RIV/68407700:21230/14:00217672!RIV15-GA0-21230___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GAP108/10/0218)
http://linked.open...iv/cisloPeriodika	June
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Polcar, Tomáš Novák, Rudolf
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	51281
http://linked.open...ai/riv/idVysledku	RIV/68407700:21230/14:00217672
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Pin-on-disc; Coatings; Uncertainty; Friction and wear (en)
http://linked.open.../riv/klicoveSlovo	Uncertainty Coatings Friction and wear Pin-on-disc
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[3CE8F743FFC9]
http://linked.open...i/riv/nazevZdroje	Tribology International
http://linked.open...in/vavai/riv/obor	JI
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (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	2014
http://linked.open...v/svazekPeriodika	74
http://linked.open...iv/tvurceVysledku	Polcar, Tomáš Novák, Rudolf
http://linked.open...ain/vavai/riv/wos	000335614200019
issn	0301-679X
number of pages	10 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.triboint.2014.02.011
http://localhost/t...ganizacniJednotka	21230

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