The Fatigue Behavior of Fastener Joints

Paper #:
  • 2008-01-2259

Published:
  • 2008-08-19
Citation:
Raju, K., Smith, B., Caido, F., Gomez, C. et al., "The Fatigue Behavior of Fastener Joints," SAE Int. J. Aerosp. 1(1):675-684, 2009, https://doi.org/10.4271/2008-01-2259.
Pages:
10
Abstract:
The fatigue behavior of Hilok fastener joints under constant amplitude loading has been investigated experimentally. The effects of load transfer in an unbalanced joint configuration was characterized in terms of a stress severity factor relative to the open-hole configuration. The experimental data indicates that the clamp-up forces dominate the performance of fastener joints with the open-hole fatigue life being the lower bound at the stress levels investigated. The failure modes were observed to transition from a net-section type failure across the minimum section to a fretting induced failure at some distance from the hole. The experimental data has been used to develop stress severity factors to be used as a measure of the fatigue quality of the fastener joints.
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