Abstract
Pultruded glass fibre reinforced polyester where used to investigated the frictional
behaviour of the 45° fibre orientation. Therefore, on a rebuild Pin-on-disc test rig, using composite
discs and steel pins, the frictional behaviour of these materials is investigated. Due to the indicated
fibre orientation, and a simple trigger mechanism, it was possible to distinguish the friction force for
different fibre orientations. The classical know orientations, parallel and perpendicular to the
direction of sliding provided expected results, for both cases. The ~45° orientation, which is
extremely important regarding filament wounded bearings, behaved in both cases similar --
regarding friction force-- in an unexpected way. The friction force of the 45° orientation was higher
in all cases, and the amount was similar to the difference between the parallel and perpendicular
case. These findings yield the conclusion that the 45° orientations cannot be neglected in frictional
studies, and the behaviour of weft-warp structures also determines performance.
Publisher
Trans Tech Publications, Ltd.
Subject
Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science
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