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Influence of thermo-mechanical treatments on the stored energy simulated by FEM for two low carbon steels.

Abstract : The stored energy of two cold rolled IF-Ti steels is calculated using finite element method from an EBSD microstructure. Because the thermo-mechanical treatments are different for the two materials, the parameters of the behaviour law used in the simulation and identified using a polycrystalline model and an inverse method from experimental results are also different. Their variation is due to the number of experimental tests taken into account for their identification and obviously to the thermo-mechanical path. The stored energy is mainly influenced by L which represents the mean free path of the mobile dislocations gliding on the system a and which is expressed as a function of a K material parameter. Using one tension test, the experimental stored energy values estimated from neutron diffraction measurements can be reproduced only for a material parameter K fixed.
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https://hal.archives-ouvertes.fr/hal-00019031
Contributor : Isabelle Massip Connect in order to contact the contributor
Submitted on : Tuesday, February 14, 2006 - 4:58:13 PM
Last modification on : Tuesday, July 20, 2021 - 3:05:45 AM

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Thierry Baudin, Anne-Laure Etter, Philippe Gerber, Amel Samet, Richard Penelle, et al.. Influence of thermo-mechanical treatments on the stored energy simulated by FEM for two low carbon steels.. Materials Science Forum, Trans Tech Publications Inc., 2005, 495-497, pp.1291-1296, Part 1 & 2 (ICOTOM 14: Textures of Materials). ⟨10.4028/www.scientific.net/MSF.495-497.1291⟩. ⟨hal-00019031⟩

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