Please use this identifier to cite or link to this item:https://hdl.handle.net/20.500.12259/86354
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dc.contributor.authorJankauskas, Vytenis-
dc.contributor.authorSkirkus, Remigijus-
dc.coverage.spatialUS-
dc.date.accessioned2019-05-17T20:13:32Z-
dc.date.available2019-05-17T20:13:32Z-
dc.date.issued2013-
dc.identifier.issn10683755-
dc.identifier.otherVDU02-000048066-
dc.identifier.urihttps://hdl.handle.net/20.500.12259/86354-
dc.description.abstractFriction and wear losses can be reduced by arc welding, tempering and other methods. One of these technologies is vibro arc surface processing. By using this technology surface can be carbonized through the formation of extra layers with supplementary materials. The present work is an investigation of an opportunity to increase abrasive wear resistance of steel surfaces by carbonizing them by vibro arc (80 and 120 A current) layering with a graphite electrode and by dip transfer surfacing welded through layers that cre ate paste like coatings that consist of materials increasing resistance to wear. The investigations have been performed according to the standards of ASTM G65–94—Dry Sand Rubber Wheel Abrasion Test, and ASTM G132—Standard Test Method for Pin Abrasion Testing. Studies have shown that through surface car bonization layers are produced with a higher wear resistance than surfaces formed with the wear resistant powder PG 10N 01. When using carbonization, the wear resistance of steel surfaces increases by forming austenite synthetic (Fe0.94C0.06), cementite (Fe3C), iron oxide (Fe3.71O4) structures. Even with the wear resis tance increased up to 39–41%, the carbonization creates just thin layers of 0.1–0.15 mm. Surface welding with current pulses by using additional materials generates high temperature gradients. This deteriorates coating quality resulting in uneven thickness, formed cracks, voids. The formation of austenite synthetic (Fe0.94C0.06), cementite (Fe3C), chromium nickel (Cr2Ni3), chromium iron carbide (Cr21.34Fe1.66C6), carbon iron (C0.09Fe1.91) structures in a layer increases hardness (average 6145 6310MPa). Although the strength ened layer is much harder than steel Hardox 400, under abrasive wear conditions it has only 20–23% less wear resistance than Hardox 400. Due to surface defects, significant increases in hardness have almost no influence on the wear resistanceen
dc.description.sponsorshipVytauto Didžiojo universitetas-
dc.description.sponsorshipŽemės ūkio akademija-
dc.format.extentp. 396-400-
dc.language.isoen-
dc.relation.ispartofSurface Engineering and Applied Electrochemistry. New York: Allerton Press, Inc., 2013, vol. 49, no. 5-
dc.relation.isreferencedbyScopus-
dc.relation.isreferencedbySpringerLINK-
dc.subjectVibroarc surface processingen
dc.subjectCarbonization and surface processing by weldingen
dc.subjectAbrasive wearen
dc.subject.classificationStraipsnis kitose duomenų bazėse / Article in other databases (S4)-
dc.subject.otherMechanikos inžinerija / Mechanical Engineering (T009)-
dc.titleInvestigations of Abrasive Wear of Steel Surfaces Strengthened by Vibro Arc Carbonization/Layeringen
dc.typeresearch article-
dc.identifier.doihttps://doi.org/10.3103/S1068375513050049-
dcterms.bibliographicCitation10-
dc.date.updated2017-01-02T12:05Z-
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local.typeS-
item.grantfulltextopen-
item.fulltextWith Fulltext-
crisitem.author.deptŽemės ūkio inžinerijos fakultetas-
crisitem.author.deptŽemės ūkio akademija-
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications
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