Manufacturing Technology 2017, 17(5):647-652 | DOI: 10.21062/ujep/x.2017/a/1213-2489/MT/17/5/647

Impact of Contaminants in Motor Oil on the Wear of Aluminum Parts of the Internal Combustion Engine

Zdeněk Aleš1, Jindřich Pavlů1, Jaroslava Svobodová2, Marián Kučera3, Monika Hromasová4, Martin Pexa1
1 Faculty of Engineering, Czech University of Life Sciences Prague, Department for Quality and Dependability of Machines, Kamýcká 129, 165 21 Prague 6 - Suchdol, Czech Republic
2 Faculty of Mecahnical Engineering, Jan Evangelista Purkyně University in Ústí nad Labem, Pasteurova 7, 400 96 Ústí nad Labem, Czech Republic
3 Faculty of Environmental and Manufacturing Technology, Technical University in Zvolen, Department of Mechanics, Mechanical Engineering and Design, Študentská 26, 960 53 Zvolen, Slovakia
4 Faculty of Engineering, Czech University of Life Sciences Prague, Department of Electrical Engineering and Automation, Kamýcká 129, 165 21 Prague 6 - Suchdol, Czech Republic

The design of internal combustion engine use plain bearings, pistons and piston-rod which are based on aluminium, brass. Further are used steels with coating based on aluminium and bronze. The paper describes the impact of contaminants in motor oil on wear of materials, which are used in production of parts of internal combustion engine. Reichert tester M2 for evaluation the lubricity from Petrotest Company was used in order to assess ability of motor oils to create proper lubricating film. Reichert tester M2 belongs to a group of equipment simulating real frictional contact. Wear particles come into oil in lubrication system, where they cause contamination and degradation of lubricating properties and consequently it may result in major failure of machines. Among these contaminants are included mainly water, fuel, water coolant, adhesive, abrasive and fatigue particles wear. The aim of research was focused only on oil contaminated with fuel including petrol, diesel and biobutanol.

Keywords: Wear particles, Reichert test, Particle morphology, Oil contamination

Published: October 1, 2017  Show citation

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Aleš Z, Pavlů J, Svobodová J, Kučera M, Hromasová M, Pexa M. Impact of Contaminants in Motor Oil on the Wear of Aluminum Parts of the Internal Combustion Engine. Manufacturing Technology. 2017;17(5):647-652. doi: 10.21062/ujep/x.2017/a/1213-2489/MT/17/5/647.
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