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Plasticité induite par transformations de phases dans les aciers : Expérience vs modélisations

Abstract : The objectives of this work are: (i) understand the mechanisms and phenomena involved in the plasticity of steels in the presence of a diffusive or martensitic phase transformation. (ii) develop tools for predicting TRIP, which are able to correctly reproduce the macroscopic deformation for cases of complex loading and could also provide information about local elasto-visco-plastic interactions between product and parent phases. To this purpose, new experimental tests are conducted on 35NCD16 steel for austenite tomartensite transformation and on 100C6 steel for austenite to pearlite transformation. The elasto viscoplasticproperties of austenite and pearlite of the 100C6 steel are characterized through tension compression and relaxation tests...
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  • HAL Id : tel-00737534, version 1

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Abdeladhim Tahimi. Plasticité induite par transformations de phases dans les aciers : Expérience vs modélisations. Autre [cond-mat.other]. INSA de Rouen, 2011. Français. ⟨NNT : 2011ISAM0024⟩. ⟨tel-00737534⟩

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