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Tribological behaviour of polymeric materials in water-lubricated contacts
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Machine Design (Div.).
2013 (English)In: Proceedings of the Institution of mechanical engineers. Part J, journal of engineering tribology, ISSN 1350-6501, Vol. 227, no 8, 811-825 p.Article in journal (Refereed) Published
Abstract [en]

This study aims at investigating the tribological behaviour of several unfilled polymer materials sliding against 316L stainless steel in distilled water. The tests were carried out in a unidirectional pin-on-disc configuration with an initial apparent contact pressure of 5MPa at room temperature. The worn surfaces were examined using scanning electron microscopy and energy dispersive spectroscopy techniques and the wear mechanisms were discussed. These studies indicate the occurrence of tribocorrosion of stainless steel during sliding against polypropylene. It is inferred that the frictional behaviour of the polymers is determined by both their wettability and solubility in water, where generally an increased hydrophobicity and relative energy difference with regard to water results in lower friction. The results from friction and wear tests show overall superior tribological performance of ultrahigh molecular weight polyethylene compared with the other polymeric materials in water.

Place, publisher, year, edition, pages
Sage Publications, 2013. Vol. 227, no 8, 811-825 p.
Keyword [en]
Water lubrication, polymer-steel contacts, wettability
National Category
Engineering and Technology
URN: urn:nbn:se:kth:diva-125550DOI: 10.1177/1350650113476441ISI: 000321702800002ScopusID: 2-s2.0-84884570907OAI: diva2:640071

QC 20130812

Available from: 2013-08-12 Created: 2013-08-09 Last updated: 2013-08-12Bibliographically approved

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Glavatskih, Sergei
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Machine Design (Div.)
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