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Impact of the hole surface integrity on the fatigue life of a 2024-T351 aluminium drilled part
  • +2
  • Alexandra Lacombe,
  • Yann Landon,
  • Manuel Paredes,
  • Clément Chirol,
  • Audrey Benaben
Alexandra Lacombe
Institut Clément Ader

Corresponding Author:alexandra.lacombe1@univ-tlse3.fr

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Yann Landon
Institut Clément Ader
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Manuel Paredes
Institut Clément Ader
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Clément Chirol
Airbus France
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Audrey Benaben
Airbus France
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The influence of the hole surface integrity on the fatigue life of 2024-T351 aluminium drilled parts was investigated. Fatigue tests were conducted on open-hole specimens and a large campaign was carried out to characterize the hole surface integrity (roughness measurements, hardness measurements, metallographic observations and residual stress analysis). An innovative technique, the Hole Opening Comparative Technique, was set up in order to analyse the residual stress state of the parts. In this study, strain hardening of the hole subsurface seems to be the main factor influencing the fatigue behaviour, associated with a residual stress state of the part.
25 Sep 2020Submitted to Fatigue & Fracture of Engineering Materials & Structures
26 Sep 2020Submission Checks Completed
26 Sep 2020Assigned to Editor
27 Sep 2020Reviewer(s) Assigned
26 Oct 2020Review(s) Completed, Editorial Evaluation Pending
29 Oct 2020Editorial Decision: Revise Major
10 Jan 20211st Revision Received
27 Jan 2021Submission Checks Completed
27 Jan 2021Assigned to Editor
27 Jan 2021Reviewer(s) Assigned
08 Feb 2021Review(s) Completed, Editorial Evaluation Pending
12 Feb 2021Editorial Decision: Accept