Fatigue Life Estimation Model of Repaired Components with the Expanded Stop-Hole Technique
Wilmer Velilla-Díaz,
Roger Pinzón,
Renny Guillén-Rujano
et al.
Abstract:Fatigue crack growth tests are conducted to assess the efficacy of the stop-hole crack repair method. This straightforward and widely adopted technique involves drilling a hole at the crack tip and subsequently enlarging it using a pin inserted into the hole. A fracture mechanics-based model is proposed to estimate the extension of fatigue life achieved through the implementation of the stop-hole technique. The model’s predictions are validated using data obtained from fatigue crack growth tests conducted on b… Show more
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