SYMPOSIA PAPER Published: 01 January 2001

The Influence of Surface Topography and Environment on the Fatigue Life of a Hydraulic Motor


Investigations into fatigue failure of the cam rings of hydraulic motors revealed a characteristic ripple superimposed on the surface profile. It was also found that the incidence of failure coincided with sites having high humidity.

This paper shows how reduced fatigue life under these conditions may be estimated.

Author Information

Scott, W
QUT, School of Mechanical, Manufacturing and Medical Engineering, Brisbane, Qld., Australia
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Developed by Committee: D02
Pages: 333–339
DOI: 10.1520/STP38285S
ISBN-EB: 978-0-8031-5567-1
ISBN-13: 978-0-8031-2883-5