Characterization of Ni-Cr coating failures deposited on CW614 substrate using friction coefficient evolution
Identifieur interne : 000199 ( Main/Exploration ); précédent : 000198; suivant : 000200Characterization of Ni-Cr coating failures deposited on CW614 substrate using friction coefficient evolution
Auteurs : M. C. Ben Jemaa [Tunisie] ; R. Mnif [Tunisie] ; R. Elleuch [Tunisie]Source :
- Matériaux et techniques [ 0032-6895 ] ; 2013.
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Abstract
In this study, characterization of the total wear of coatings by the friction coefficient evolution of nickel-chromium (Ni-Cr) coatings is presented. The device used is a developed ball-on-disc tribometer. The samples tested in this study are brass discs (CW614) coated with Ni-Cr layers sliding against a steel ball. The effect of normal load, sliding velocity and substrate roughness on the wear of coatings is studied. An optical microscope (OM) and energy dispersive spectroscopy (EDX) are used to confirm the coating failures. The results show that the total wear of Ni-Cr coatings is related to the sliding distance. However, an increase in normal load and/or sliding velocity increases the total wear of the coating, whereas the reduction of the substrate roughness reduces the coating failures and increases their service behavior.
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Mnif</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laboratoire des Systèmes Electromécaniques (LASEM), École Nationale d'Ingénieurs de Sfax (ENIS), Université de Sfax, B.P.W3038</s1><s2>Sfax</s2><s3>TUN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Tunisie</country><wicri:noRegion>Sfax</wicri:noRegion></affiliation></author><author><name sortKey="Elleuch, R" sort="Elleuch, R" uniqKey="Elleuch R" first="R." last="Elleuch">R. Elleuch</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laboratoire des Systèmes Electromécaniques (LASEM), École Nationale d'Ingénieurs de Sfax (ENIS), Université de Sfax, B.P.W3038</s1><s2>Sfax</s2><s3>TUN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Tunisie</country><wicri:noRegion>Sfax</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">14-0016400</idno><date when="2013">2013</date><idno type="stanalyst">PASCAL 14-0016400 INIST</idno><idno type="RBID">Pascal:14-0016400</idno><idno type="wicri:Area/PascalFrancis/Corpus">000041</idno><idno type="wicri:Area/PascalFrancis/Curation">000400</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000063</idno><idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">000063</idno><idno type="wicri:doubleKey">0032-6895:2013:Ben Jemaa M:characterization:of:ni</idno><idno type="wicri:Area/Main/Merge">000202</idno><idno type="wicri:Area/Main/Curation">000199</idno><idno type="wicri:Area/Main/Exploration">000199</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Characterization of Ni-Cr coating failures deposited on CW614 substrate using friction coefficient evolution</title><author><name sortKey="Ben Jemaa, M C" sort="Ben Jemaa, M C" uniqKey="Ben Jemaa M" first="M. C." last="Ben Jemaa">M. C. Ben Jemaa</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laboratoire des Systèmes Electromécaniques (LASEM), École Nationale d'Ingénieurs de Sfax (ENIS), Université de Sfax, B.P.W3038</s1><s2>Sfax</s2><s3>TUN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Tunisie</country><wicri:noRegion>Sfax</wicri:noRegion></affiliation></author><author><name sortKey="Mnif, R" sort="Mnif, R" uniqKey="Mnif R" first="R." last="Mnif">R. Mnif</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laboratoire des Systèmes Electromécaniques (LASEM), École Nationale d'Ingénieurs de Sfax (ENIS), Université de Sfax, B.P.W3038</s1><s2>Sfax</s2><s3>TUN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Tunisie</country><wicri:noRegion>Sfax</wicri:noRegion></affiliation></author><author><name sortKey="Elleuch, R" sort="Elleuch, R" uniqKey="Elleuch R" first="R." last="Elleuch">R. Elleuch</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Laboratoire des Systèmes Electromécaniques (LASEM), École Nationale d'Ingénieurs de Sfax (ENIS), Université de Sfax, B.P.W3038</s1><s2>Sfax</s2><s3>TUN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Tunisie</country><wicri:noRegion>Sfax</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Matériaux et techniques</title><title level="j" type="abbreviated">Mater. tech.</title><idno type="ISSN">0032-6895</idno><imprint><date when="2013">2013</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Matériaux et techniques</title><title level="j" type="abbreviated">Mater. tech.</title><idno type="ISSN">0032-6895</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Chromium alloy</term><term>Friction</term><term>Friction coefficient</term><term>Metal coating</term><term>Nickel base alloys</term><term>Tribology</term><term>Wear</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Alliage base nickel</term><term>Coefficient frottement</term><term>Frottement</term><term>Tribologie</term><term>Usure</term><term>Revêtement métallique</term><term>Chrome alliage</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In this study, characterization of the total wear of coatings by the friction coefficient evolution of nickel-chromium (Ni-Cr) coatings is presented. The device used is a developed ball-on-disc tribometer. The samples tested in this study are brass discs (CW614) coated with Ni-Cr layers sliding against a steel ball. The effect of normal load, sliding velocity and substrate roughness on the wear of coatings is studied. An optical microscope (OM) and energy dispersive spectroscopy (EDX) are used to confirm the coating failures. The results show that the total wear of Ni-Cr coatings is related to the sliding distance. However, an increase in normal load and/or sliding velocity increases the total wear of the coating, whereas the reduction of the substrate roughness reduces the coating failures and increases their service behavior.</div></front></TEI><affiliations><list><country><li>Tunisie</li></country></list><tree><country name="Tunisie"><noRegion><name sortKey="Ben Jemaa, M C" sort="Ben Jemaa, M C" uniqKey="Ben Jemaa M" first="M. C." last="Ben Jemaa">M. C. Ben Jemaa</name></noRegion><name sortKey="Elleuch, R" sort="Elleuch, R" uniqKey="Elleuch R" first="R." last="Elleuch">R. Elleuch</name><name sortKey="Mnif, R" sort="Mnif, R" uniqKey="Mnif R" first="R." last="Mnif">R. Mnif</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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