Beneficial influence of an intercritically rolled recovered ferritic matrix on the mechanical properties of TRIP-assisted multiphase steels

Godet, S.;Jacques, Pascal
(2015) Materials Science and Engineering A: Structural Materials: Properties, Microstructures and Processing — Vol. 645, p. 20-27 (2015)

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  • Godet, S.Université Libre de Bruxelles
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  • Jacques, PascalUCLouvain
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Abstract
The present study deals with the microstucture and mechanical properties of intercritically rolled TRIP-assisted multiphase steels. It is shown that the occurrence of the TRIP effect in a recovered ferritic matrix brings about an improved strength-ductility balance with respect to a fully recrystallised ferrite matrix. On the other hand, the intercritical deformation does not influence the austenite transformation rate during straining at room temperature. The improvement of the mechanical properties results from the interactions between the transformation strain and the recovered ferrite.
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Godet, S., & Jacques, P. (2015). Beneficial influence of an intercritically rolled recovered ferritic matrix on the mechanical properties of TRIP-assisted multiphase steels. Materials Science and Engineering A: Structural Materials: Properties, Microstructures and Processing, 645, 20-27. https://doi.org/10.1016/j.msea.2015.07.082 (Original work published 2015)