Effects of Phase Difference Between Axial and Contact Loads on Fretting Fatigue Behavior of Titanium Alloy Paperback - 2012

Fretting fatigue is the surface damage that occurs at the interface between two components that are undergoing a small amplitude oscillatory movements. It results in a reduction of the material life as compared to the plain fatigue. Most of the previous works were accomplished under a constant applied normal load and a little effort was done under a variable contact load, while none of these studies has considered the phase difference between the axial load and the contact load. The primary goal of this study is to investigate the effect of phase difference between axial and contact loads on fretting fatigue behavior of Ti-6Al-4V alloy. The frequency of both axial and contact loads was the same. i.e. 10 Hz. Under variable contact load condition; only the axial stress range and the phase angle were varied.

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