Browsing by Author "Iliuta V."
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Item Ball-on-flat reciprocating test to evaluate dry sliding wear behaviour of reinforced polymer composites(2020-01-11) Iliuta V.; Ripa M.; Javorova J.; Andrei G.This paper presents the results of the tribological investigations on polymeric composite materials reinforced with Cu, Zn, Sn, SiO2 and MoS2 microparticles, used for repairing metal parts made of brass and bronze. The tested material were: Three composite materials (products of the company Diamant Metallplastic GmbH, Germany): Multimetall Messing (used for repair of brass parts), Multimetall Bronze (used for repair of bronze parts) and Moglice (for brass and bronze parts). The testing was conducted in dry conditions, in ball on flat configuration, by reciprocating method, on the CETR UMT-2 tribometer (Bruker Corporation) at normal loads 20, 30, 40 and 50N, over a sliding distance of 100m. The paper presents studies of the variations of the friction coefficient, linear wear, volumetric wear parameters, profilometric studies with SEM surface morphologies of the wear tracks. The researches allowed the classification of materials according to their tribological behaviour and the results recommend the tested reinforced composite materials as good candidates for repairing metal parts made of brass or bronzes.