A study of the wear performance of duplex treated commercial low-alloy steel against alumina and WC balls
Identifieur interne : 000027 ( France/Analysis ); précédent : 000026; suivant : 000028A study of the wear performance of duplex treated commercial low-alloy steel against alumina and WC balls
Auteurs : Nasser Eddine Beliardouh [Algérie] ; Corinne Nouveau [France] ; Michael J. Walock [États-Unis] ; Philippe Jacquet [France]Source :
- Surface & coatings technology [ 0257-8972 ] ; 2014.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Cobalt.
English descriptors
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Abstract
The objective of this work is to study the improvement of the tribological properties of low alloy steel using a duplex treatment of low pressure carburizing and the deposition of a Cr-(WC-Co) coating by dual RF magnetron sputtering. The treatments result in a 500 μm thick carburized layer and a sputtered coating thickness of ˜2 μm. Tribological tests were made with a ball-on-disk tribometer under dry conditions with low load and low speed. The worn surfaces of the disk, the wear counterpart, and resulting debris were analyzed by X-ray diffraction, optical microscopy, optical profilometry, and a scanning electron microscope equipped with an energy-dispersive X-ray spectrometer. The wear performance of the samples was evaluated in terms of wear rates and friction coefficients during the sliding processes against two different counterparts. Experimental results have shown that sliding wear, of the investigated duplex treated low alloy steels, is strongly dependent on the counterface materials. Under testing conditions, the overall wear performance of a Cr-WC coating (Cr/W ratio of 1.12:1) deposited onto the surface of a carburized low alloy steel (0.61 wt.% C; HV = 654 ± 5) can be recommended as the best. The duplex-treated samples suffered severe, concentrated wear when against alumina. This wear is characterized by a combination of delamination, mild abrasion and oxidative wear. However, the wear mechanism seems to be oxidative and adhesive when against WC balls.
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Pascal:15-0022674Le document en format XML
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Walock</name><affiliation wicri:level="2"><inist:fA14 i1="03"><s1>University of Alabama at Birmingham (UAB), Department of Physics, CH 310, 1720 2nd Ave S</s1><s2>Birmingham, AL 35294-1170</s2><s3>USA</s3><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Alabama</region></placeName></affiliation></author><author><name sortKey="Jacquet, Philippe" sort="Jacquet, Philippe" uniqKey="Jacquet P" first="Philippe" last="Jacquet">Philippe Jacquet</name><affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Arts et Métiers ParisTech, Laboratoire Bourguignon des Matériaux et Procédés (LaBoMaP), Rue Porte de Paris</s1><s2>71250 Cluny</s2><s3>FRA</s3><sZ>2 aut.</sZ><sZ>4 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Bourgogne-Franche-Comté</region><region type="old region" nuts="2">Bourgogne</region><settlement type="city">Cluny</settlement></placeName></affiliation></author></analytic><series><title level="j" type="main">Surface & coatings technology</title><title level="j" type="abbreviated">Surf. coat. technol.</title><idno type="ISSN">0257-8972</idno><imprint><date when="2014">2014</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Surface & coatings technology</title><title level="j" type="abbreviated">Surf. coat. technol.</title><idno type="ISSN">0257-8972</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Alumina</term><term>Austenitic ferritic steel</term><term>Cemented carbides</term><term>Cobalt</term><term>Dual-phase steels</term><term>Low alloy steels</term><term>Non metal coating</term><term>Sputtering</term><term>Stainless steels</term><term>Surface treatments</term><term>Tribology</term><term>Tungsten carbide</term><term>Wear</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Tribologie</term><term>Usure</term><term>Acier double phase</term><term>Acier austénito ferritique</term><term>Acier inoxydable</term><term>Acier faiblement allié</term><term>Alumine</term><term>Pulvérisation irradiation</term><term>Carbure fritté</term><term>Cobalt</term><term>Revêtement non métallique</term><term>Traitement surface</term><term>Carbure de tungstène</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Cobalt</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The objective of this work is to study the improvement of the tribological properties of low alloy steel using a duplex treatment of low pressure carburizing and the deposition of a Cr-(WC-Co) coating by dual RF magnetron sputtering. The treatments result in a 500 μm thick carburized layer and a sputtered coating thickness of ˜2 μm. Tribological tests were made with a ball-on-disk tribometer under dry conditions with low load and low speed. The worn surfaces of the disk, the wear counterpart, and resulting debris were analyzed by X-ray diffraction, optical microscopy, optical profilometry, and a scanning electron microscope equipped with an energy-dispersive X-ray spectrometer. The wear performance of the samples was evaluated in terms of wear rates and friction coefficients during the sliding processes against two different counterparts. Experimental results have shown that sliding wear, of the investigated duplex treated low alloy steels, is strongly dependent on the counterface materials. Under testing conditions, the overall wear performance of a Cr-WC coating (Cr/W ratio of 1.12:1) deposited onto the surface of a carburized low alloy steel (0.61 wt.% C; HV = 654 ± 5) can be recommended as the best. The duplex-treated samples suffered severe, concentrated wear when against alumina. This wear is characterized by a combination of delamination, mild abrasion and oxidative wear. However, the wear mechanism seems to be oxidative and adhesive when against WC balls.</div></front></TEI><affiliations><list><country><li>Algérie</li><li>France</li><li>États-Unis</li></country><region><li>Alabama</li><li>Bourgogne</li><li>Bourgogne-Franche-Comté</li></region><settlement><li>Cluny</li></settlement></list><tree><country name="Algérie"><noRegion><name sortKey="Beliardouh, Nasser Eddine" sort="Beliardouh, Nasser Eddine" uniqKey="Beliardouh N" first="Nasser Eddine" last="Beliardouh">Nasser Eddine Beliardouh</name></noRegion></country><country name="France"><region name="Bourgogne-Franche-Comté"><name sortKey="Nouveau, Corinne" sort="Nouveau, Corinne" uniqKey="Nouveau C" first="Corinne" last="Nouveau">Corinne Nouveau</name></region><name sortKey="Jacquet, Philippe" sort="Jacquet, Philippe" uniqKey="Jacquet P" first="Philippe" last="Jacquet">Philippe Jacquet</name></country><country name="États-Unis"><region name="Alabama"><name sortKey="Walock, Michael J" sort="Walock, Michael J" uniqKey="Walock M" first="Michael J." last="Walock">Michael J. 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