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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 657Profilometric Evaluation of the Worn Surfaces...

Profilometric Evaluation of the Worn Surfaces under Dry Reciprocating Wear Conditions of a Composite Material to Repair Brass Made Parts

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Abstract:

This paper presents the results of the profilometric analysis of wear tracks from tribological tests of a composite material made by Diamond Metallplastic GmbH, Germany. This material has a polymer matrix reinforced with Cu, Zn, Sn particles, and various allotropic forms of SiO₂. The material belongs to Multimetall Messing category and is recommended by the manufacturer for repairing brass made parts. This composite material was tribologically tested in dry friction reciprocating conditions, in ball-on-flat configuration, using the tribotester CETR-UMT-2 (Bruker Corporation). The counterpiece was a steel ball. The tests were conducted at normal loads of 20, 30, 40 and 50N, over a distance of 100 m, at an average sliding speed of 3,50 mm/s, at room temperature and relative humidity of 40-60%. The wear tracks were examined with the help of a laser profilometer and the profilometric module of the tribotester CETR-UMT-2 (Bruker Corporation). The profilometric analysis results for the composite are compared to those obtained for brass. Comparing the wear tracks of the two materials, it can be found that the composite material has a better tribological behavior than the brass.

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Periodical:

Applied Mechanics and Materials (Volume 657)

Pages:

437-441

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.657.437

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Online since:

October 2014

Authors:

Virgil Iliuţă*, Minodora Rîpă, Gabriel Andrei, Adriana Preda, Cornel Suciu, Juliana Javorova

Keywords:

Ball-On-Flat, Brass, Composite Material, Profilometer, Reciprocating, Tribometer, Wear Track

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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