Evaluation Of Flash Temperatures Of A
Composite Elastomer Tip Seal With A
Dry Sliding Conditions In Contact With A High
Carbon Steel Plate
Author(s)
I. Tzanakis & M. Hadfield
Abstract
One of the most important issues in dry sliding contact is the frictional heat
generated. This study investigates the flash temperatures caused by frictional
heating of sliding parallel pairs: a high performance fluoroelastomer composite
with a high carbon steel plate. These materials have industrial applications and in
particular as the main contacting components within a scroll expander system.
The expected flash temperature values of the studied contacts are important to be
revealed in order to predict the wear mechanisms associated with excessive
contact temperatures caused by sliding friction. Two different roughness profiles
of the high carbon steel plate were used. The flash temperatures generated by the
asperities contact of the tested materials were investigated as a function of the
friction coefficient, the applied pressure and the sliding velocity, using a
reciprocating tribometer. Initially physical experimental observations of the
specific contact produced with a high- precision thermal camera integrated with
a sliding micro-friction machine were conducted. Analytical results using
conventional mathematical methodology were also produced. The analytical and
experimental findings were then compared indicating interesting correlations
within the flash temperatures and the experimental conditions. The most
influential parameter for the flash temperature rise is determined.
Keywords: flash temperature, roughness, composite elastomer, sliding wear,
frictional heat.
Keywords
flash temperature, roughness, composite elastomer, sliding wear,
frictional heat
Related Book
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