Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/4319
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dc.contributor.authorNobre, J. P.-
dc.contributor.authorDias, A. M.-
dc.contributor.authorGras, R.-
dc.date.accessioned2008-09-01T10:45:50Z-
dc.date.available2008-09-01T10:45:50Z-
dc.date.issued1999en_US
dc.identifier.citationWear. 230:2 (1999) 133-145en_US
dc.identifier.urihttp://hdl.handle.net/10316/4319-
dc.description.abstractA purpose-built pendulum machine was used to study the oblique impact and the behaviour of the surface layers of a normalized low alloy steel subjected to the impact of hard [alpha]-alumina balls. The effect of relative tangential velocity on impulses, restitution coefficient and impact energy loss, was analysed. The morphology of the impact indentations was characterized and related to the impulses obtained. There was lip formation in the target material with ejection of a small fragile oxidized chip, at a certain critical sliding speed. The impact duration and the impulse ratio have maximum values. These values seem to be related to the critical angle of attack, common in abrasive and erosive ductile processes. The experimental results were compared with some impact models and theories.en_US
dc.description.urihttp://www.sciencedirect.com/science/article/B6V5B-3WRC3G0-4/1/41e4c5269f22928dae6bfa3fb640fd03en_US
dc.format.mimetypeaplication/PDFen
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectFriction on impacten_US
dc.subjectOblique impacten_US
dc.subjectChip formationen_US
dc.subjectPendulum machine testsen_US
dc.titleA study on elasto-plastic impact frictionen_US
dc.typearticleen_US
dc.identifier.doi10.1016/S0043-1648(99)00099-X-
item.fulltextCom Texto completo-
item.languageiso639-1en-
item.grantfulltextopen-
Appears in Collections:FCTUC Eng.Mecânica - Artigos em Revistas Internacionais
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