Study of Mechanical Behaviour of Polycrystalline Materials at the Mesoscale Using High Energy X-Ray Diffraction

Andrzej Baczmański (1) , Elżbieta Gadalińska (2) , Sebastian Wroński (1) , Chedly Braham (3) , Wilfrid Seiler (3) , Manuel François (4) , Léa Le Joncour (4) , Benoît Panicaud (4) , Thomas Buslaps (5) , Houda Yahyaoui (6) , Habib Sidhom (6) , Yuchen Zhao (4)

1 AGH UST - AGH University of Science and Technology [Krakow, PL]
2 Institute of Aviation [Warsaw]
3 PIMM - Laboratoire Procédés et Ingénierie en Mécanique et Matériaux
4 LASMIS - Laboratoire des Systèmes Mécaniques et d'Ingénierie Simultanée
5 ESRF - European Synchrotron Radiation Facility
6 ESSTT - Ecole Supérieure des Sciences et Techniques [Tunis]

Owing to its selectivity, diffraction is a powerful tool for analysing the mechanical behaviour of polycrystalline materials at the mesoscale, i.e. phase and grain scale. In situ synchrotron diffraction (transmission mode) during tensile tests and modified self-consistent elastoplastic model were used to study elastic and plastic phenomena occurring in polycrystalline specimens during deformation. The evolution of stress for grains which belong to different phases of duplex stainless steel and pearlitic steel was analyzed.

Mots clés: X-ray diffraction; plastic deformation; multiscale modelling; strain measurement; synchrotron radiation

Domaines: Mécanique des matériaux [physics.class-ph]

Andrzej Baczmański, Elżbieta Gadalińska, Sebastian Wroński, Chedly Braham, Wilfrid Seiler, et al.. Study of Mechanical Behaviour of Polycrystalline Materials at the Mesoscale Using High Energy X-Ray Diffraction. Advanced Materials Research, 2014, 996, pp.118-123. ⟨10.4028/www.scientific.net/AMR.996.118⟩. ⟨hal-02282929⟩