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Meccanica
Erschienen in: Meccanica 5/2015

01.05.2015

Impregnated porous bearings textured with a pocket on sliding surfaces: comparison of h-boron nitride with graphite and molybdenum disulphide up to 150 °C

verfasst von: W. Urbaniak, T. Kaldonski, M. Hagner-Derengowska, T. J. Kaldonski, J. T. Madhani, Z. Kruszewski, Z. Pawlak

Erschienen in: Meccanica | Ausgabe 5/2015

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Abstract

The iron bearings with porosities of 16 and 28 % were impregnated with mineral oil and the surface was textured with a pocket and then filled by a solid lubricant. The h-boron nitride, h-BN, as a pocket lubricant was compared with graphite and MoS2 up to 150 °C. Low friction at temperature <80 °C is a result of weak van der Waals forces between layers and allows for easy shearing of the layers. It was found that the h-boron nitride solid lubricant particles provided a much better lubrication at 150 °C than did graphite and MoS2. An increase in friction was due to oxidation MoS2 and the formation of MoO3, and desorption of water vapour of from graphite and progressive disappearance of the lamellar structure at temperature up to 150 °C.
Vorheriger Artikel Flexural vibration of imperfect functionally graded beams based on Timoshenko beam theory: Chebyshev collocation method
Nächster Artikel Active vibration control of nanotube structures under a moving nanoparticle based on the nonlocal continuum theories

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Metadaten
Titel
Impregnated porous bearings textured with a pocket on sliding surfaces: comparison of h-boron nitride with graphite and molybdenum disulphide up to 150 °C
verfasst von
W. Urbaniak
T. Kaldonski
M. Hagner-Derengowska
T. J. Kaldonski
J. T. Madhani
Z. Kruszewski
Z. Pawlak
Publikationsdatum
01.05.2015
Verlag
Springer Netherlands
Erschienen in
Meccanica / Ausgabe 5/2015
Print ISSN: 0025-6455
Elektronische ISSN: 1572-9648
DOI
https://doi.org/10.1007/s11012-014-0095-7

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