MATEC Web of Conferences
Volume 12, 2014FDMD II - JIP 2014 - Fatigue Design & Material Defects
|Number of page(s)
|Poster Session 4B: Defect Distribution and Characterisation
|09 June 2014
Coupling of experimental measurements to study the influence of microscopic defects on the fatigue damage in A319 Al-Si alloy
1 Laboratoire de Mécanique de Lille (LML), UMR CNRS 8107, Cité Scientifique, 59651 Villeneuve d'Ascq, France
2 Ecole Centrale de Lille, Cité Scientifique, 59651 Villeneuve d'Ascq, France
a Corresponding author: email@example.com
An experimental protocol based on the coupling of kinematic field measurements on the surface and in volume at the microstructure scale has been set up in order to study the influence of the casting microstructure upon the initiation and propagation of cracks in low cycle fatigue. Preliminary applications of this protocol on tensile tests were successful as it allowed tracking the development and localization of plastic deformation and identifying the initiation sites of microcracks during tests in relation with the observed surface and volume microstructures. Application of the proposed protocol to low cycle fatigue is an on-going work.
© Owned by the authors, published by EDP Sciences, 2014
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