Wear of Polished Steel Surfaces in Dry Friction Linear Contact on Polimer Composites with Glass Fibres
Journal Title: Tribology in Industry - Year 2013, Vol 35, Issue 4
Abstract
It is generally known that the friction and wear between polymers and polished steel surfaces has a special character, the behaviour to friction and wear of a certain polymer might not be valid for a different polymer, moreover in dry friction conditions. In this paper, we study the reaction to wear of certain polymers with short glass fibres on different steel surfaces, considering the linear friction contact, observing the friction influence over the metallic surfaces wear. The paper includes also its analysis over the steel’s wear from different points of view: the reinforcement content influence and tribological parameters (load, contact pressure, sliding speed, contact temperature, etc.). Thus, we present our findings related to the fact that the abrasive component of the friction force is more significant than the adhesive component, which generally is specific to the polymers’ friction. Our detections also state that, in the case of the polyamide with 30% glass fibres, the steel surface linear wear rate order are of 10[sup]-4[/sup] mm/h, respectively the order of volumetric wear rate is of 10[sup]-6[/sup] cm3 /h. The resulting volumetric wear coefficients are of the order (10[sup]-11[/sup] – 10[sup]-12[/sup]) cm3/cm and respectively linear wear coefficients of 10[sup]-9[/sup] mm/cm.
Authors and Affiliations
D. Rus, L. Capitanu
Keywords
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