Hexagonal boron nitride as a component of the iron porous bearing: friction on the porous sinters up to 150 °C

In this work, various concentrations of h-BN were added to the sintered porous (27.8 %) bearings and tested with three different mineral oil lubricants (hydrocarbon and refined) of varying viscosities. Tests were carried out to a working temperature of 150 °C and the tribological properties of the s...

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Bibliographic Details
Published in:Meccanica (Milan) 2016-05, Vol.51 (5), p.1157-1165
Main Authors: Urbaniak, W., Kaldonski, T., Kaldonski, T. J., Pawlak, Z.
Format: Article
Language:English
Subjects:
Automotive Engineering
Civil Engineering
Classical Mechanics
Mechanical Engineering
Physics
Physics and Astronomy
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Summary:In this work, various concentrations of h-BN were added to the sintered porous (27.8 %) bearings and tested with three different mineral oil lubricants (hydrocarbon and refined) of varying viscosities. Tests were carried out to a working temperature of 150 °C and the tribological properties of the sintered bearings were investigated. It was found that the optimum concentration (5 wt% h-BN) greatly improved these properties. These properties and their parameters such as hardness, wear resistance, friction coefficient, lubricant viscosity, friction forces, and temperature are discussed in depth.
ISSN:0025-6455
1572-9648
DOI:10.1007/s11012-015-0277-y