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Investigation of the sensitivity of the fatigue resistance to defect position in aluminium alloys obtained by Selective laser melting using artificial defects

Article dans une revue avec comité de lecture
Auteur
ccBONNERIC, Matthieu
ccBRUGGER, Charles
ccSAINTIER, Nicolas

URI
http://hdl.handle.net/10985/18095
DOI
10.1016/j.ijfatigue.2020.105505
Date
2020
Journal
International Journal of Fatigue

Résumé

This study focuses on the influence of defects on the fatigue behavior of AlSi7Mg0.6 alloy produced by Selective laser melting. Artificial defects were generated in fatigue specimens by introducing holes in the CAD files prior manufacturing. The introduction of such defects, whose sizes and positions are controlled, aims to provide a proper assessment of defect sensitivity, in particular regarding the influence of defect position. Fatigue tests were performed, and finite-element calculations accounting for real defect geometries were conducted. The criticalities of the simulated defects were then evaluated using a non-local Crossland criterion, and discussed with regard to the experimental results.

Fichier(s) constituant cette publication

Nom:
I2M_IJF_ Bonneric_2020.pdf
Taille:
11.68Mo
Format:
PDF
Fin d'embargo:
2020-11-01
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  • Institut de Mécanique et d’Ingénierie de Bordeaux (I2M)

Documents liés

Visualiser des documents liés par titre, auteur, créateur et sujet.

  • Effect of hot isostatic pressing on the critical defect size distribution in AlSi7Mg0.6 alloy obtained by selective laser melting 
    Article dans une revue avec comité de lecture
    ccBONNERIC, Matthieu; ccBRUGGER, Charles; ccSAINTIER, Nicolas (Elsevier, 2020)
    This study focuses on the influence of defect density on the sizes of the critical defects responsible for fatigue failure in AlSi7Mg0.6 alloy produced by Selective Laser Melting. Samples having similar microstructures and ...
  • Numerical investigation of the influence of defects on the multiaxial fatigue strength of additively manufactured alloys 
    Article dans une revue avec comité de lecture
    PENKULINTI, Sai Sreeniva; ccBONNERIC, Matthieu; ccSAINTIER, Nicolas; ccVERQUIN, Benoit; ccLEFEBVRE, Fabien; ccPALIN-LUC, Thierry; GHYS, Pascal (Elsevier, 2024)
    Laser Powder Bed Fusion (L-PBF) is one of the Additive Manufacturing (AM) techniques that have revealed salient advantages in enabling the fabrication of 3D parts with intricate shapes and added functionalities. Despite ...
  • Influence of the defect size, type, and position on the High Cycle Fatigue behavior of Ti-6Al-4V processed by laser powder bed fusion 
    Article dans une revue avec comité de lecture
    ccBONNERIC, Matthieu; ccSAINTIER, Nicolas; ccEL KHOUKHI, Driss; BEGA, Jeremie (2025)
    The present paper analyzes separately the effect of the features of the typical AM defects on the fatigue resistance of Ti-6Al-4V alloy. To do so, different defect population in terms of sizes and morphologies were obtained ...
  • Numerical modelling of surface roughness effect on the fatigue behavior of Ti-6Al-4V obtained by additive manufacturing 
    Article dans une revue avec comité de lecture
    VAYSSETTE, Bastien; ccSAINTIER, Nicolas; ccBRUGGER, Charles; EL MAY, Mohamed; ccPESSARD, Etienne (Elsevier, 2019)
    Selective Laser Melting (SLM) is a powder bed fusion process which allows to build-up parts by successive addition of layers using 3D-CAD models. Among the advantages, the high degree of freedom for part design and the ...
  • Surface roughness of Ti-6Al-4V parts obtained by SLM and EBM: Effect on the High Cycle Fatigue life 
    Article dans une revue avec comité de lecture
    VAYSSETTE, Bastien; ccSAINTIER, Nicolas; ccBRUGGER, Charles; EL MAY, Mohamed; ccPESSARD, Etienne (Elsevier, 2018)
    Selective Laser Melting (SLM) and Electron Beam Melting (EBM) are powder bed fusion processing which allows to build-up parts by successive addition of layers using 3D-CAD models. Among the advantages, are the high degree ...

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