Damage in duplex steels studied at mesoscopic and macroscopic scales

Léa Le Joncour 1 Benoît Panicaud 1 A. Baczmański 2 Manuel François 1 C. Braham 3 A. Paradowska 4 S. Wroński 2 R. Chiron 5
1 LASMIS - Laboratoire des Systèmes Mécaniques et d'Ingénierie Simultanée
ICD - Institut Charles Delaunay
2 AGH UST - AGH University of Science and Technology [Krakow, PL]
3 LIM - Laboratoire d'Ingénierie des Matériaux
4 RAL - STFC Rutherford Appleton Laboratory
5 LPMTM - Laboratoire des Propriétés Mécaniques et Thermodynamiques des Matériaux
Abstract : Different experimental approaches have been performed in order to extract damage at several scales. In this paper two experimental methods are treated. Neutron diffraction coupled with tensile test has been performed to study damage at mesoscopic scale. At macroscopic scale, classical tensile test has been used to extract damage effects, from material hardening evolution. Optical measurements and particular data treatment have been used in order to correct data for the necking phenomenon at large deformation, for each experimental method. Damage process in duplex steels has then been analysed at both macroscopic and mesoscopic scales using scale transition models. Eventually, investigations at those scales have been compared to understand correlation between mesoscopic and macroscopic behaviour of our material.
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Submitted on : Monday, September 2, 2019 - 4:53:05 PM
Last modification on : Monday, September 16, 2019 - 4:35:57 PM

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Léa Le Joncour, Benoît Panicaud, A. Baczmański, Manuel François, C. Braham, et al.. Damage in duplex steels studied at mesoscopic and macroscopic scales. Mechanics of Materials, Elsevier, 2010, 42 (12), pp.1048-1063. ⟨10.1016/j.mechmat.2010.10.003⟩. ⟨hal-02276515⟩

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