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Bonded Composite Repairs of Aluminum Alloy 2024T3 Cracked Plates

[+] Author Affiliations
F. Benyahia, A. Albedah

King Saud University, Riyadh, Saudi Arabia

B. Bachir Bouiadjra

University of Sidi Bel Abbes, Sidi Bel Abbes, Algeria

Paper No. IMECE2014-36316, pp. V001T01A014; 5 pages
doi:10.1115/IMECE2014-36316
From:
  • ASME 2014 International Mechanical Engineering Congress and Exposition
  • Volume 1: Advances in Aerospace Technology
  • Montreal, Quebec, Canada, November 14–20, 2014
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4642-1
  • Copyright © 2014 by ASME

abstract

In this study, the behavior of repaired cracks, located in aluminum alloy sheets 2024T3, with bonded composite patch is analyzed experimentally and numerically. The experimental study has been conducted through fatigue tests on aluminum cracked plate repaired with Carbon/epoxy patch. In the numerical analysis, the stress intensity factor at the crack front is computed using three-dimensional finite element method. The obtained results show that the stress intensity factor at the crack front is highly reduced by the presence of the patch repair. Therefore, the fatigue life of the damaged structure can be significantly improved especially if the patch repair is applied at small crack lengths.

Copyright © 2014 by ASME

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