Effect Of The Coefficient Of Friction On The Fatigue Life Of Splines
Author(s)
C. H. H. Ratsimba, S. B. Leen, I. R. McColl & E. J. Williams
Abstract
Effect of the coefficient of friction on the
fatigue life of splines
C. H. H. Ratsimba, S. B. Leen, I. R. McColl & E. J. Williams
School of Mechanical, Materials, Manufacturing Engineering and
Management, University of Nottingham, UK
Abstract
The fatigue behaviour of a representative high-performance aeroengine spline
coupling is investigated under test conditions designed to simulate in-service
conditions. The test load cycles consist of major cycle torque and axial load,
simulating maximum thrust, combined with minor cycle rotating bending
moment and fluctuating torque, simulating life-limiting conditions at take-off.
The objective of the study is to develop understanding of the fatigue behaviour
of the coupling over a range of loading conditions, including interaction between
low-cycle fatigue, fretting fatigue and fretting wear. The effect of the coefficient
of friction on the fatigue life is also investigated. This information is necessary
for the development of fatigue and fretting fatigu
Keywords
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