2D cellular automaton simulation of the recrystallization texture of an IF sheet steel under consideration of Zener pinning Dierk Raabe a, * , Luc Hantcherli b a Max-Planck-Institut fu ¨r Eisenforschung, Max-Planck-Strasse 1, 40237 Du ¨sseldorf, Germany b Ecole National Superieur des Mines de Saint-Etienne, 158 Cours Fauriel, 42023 Saint Etienne Cedex 2, France Received 11 October 2004; received in revised form 25 November 2004; accepted 17 December 2004 Abstract Thisisa2Dcellularautomatonsimulationstudyontheevolutionoftherecrystallizationtextureina75%coldrolled interstitial free (IF) sheet steel. The model is applied to experimentally obtained high resolution microtexture EBSD data. The simulation is discrete in time and physical space. Orientation is treated as a continuous variable in Euler space.ThedislocationdensitydistributionisapproximatedfromtheKikuchipatternqualityoftheexperimentalEBSD data.Itisusedforthecalculationofthescalardrivingforcefieldrequiredfortherecrystallizationsimulation.Different modelsfornucleationandfortheinfluenceofZener-typeparticlepinningarepresentedandtested.Realtimeandspace calibrationofthesimulationisobtainedbyusingexperimentalinputdataforthegrainboundarymobility,thedriving forces,andthelengthscaleofthedeformedmicrostructureasmappedbythehighresolutionEBSDexperiments.The simulationspredictthekineticsandtheevolutionofmicrostructureandtextureduringrecrystallization.Dependingon theratiooftheprecipitatedvolumefractionandtheaverageradiusoftheparticlesthesimulationsrevealthreedifferent regimes for the influence of particle pinning on the resulting microstructures, kinetics and crystallographic textures. Ó 2005 Elsevier B.V. All rights reserved. Keywords: Texture; Microtexture; Stored energy; Automotive; EBSD; Nucleation; Grain growth 1. Introduction The understanding of the recrystallization tex- tureofinterstitialfree(IF)lowcarbonsteelsheets is important for an improved prediction of the resulting elastic-plastic anisotropy of such steels with respect to their engineering performance 0927-0256/$ - see front matter Ó 2005 Elsevier B.V. All rights reserved. doi:10.1016/j.commatsci.2004.12.067 * Correspondingauthor.Tel.:+492116792278;fax:+49211 6792333. E-mail address: raabe@mpie.de (D. Raabe). Computational Materials Science 34 (2005) 299–313 www.elsevier.com/locate/commatsci