Modeling Recrystallization in Al Alloys: Investigation of Nucleation at Cube Bands



In the present study, a modified cellular automaton CORe (Cellular Operator for Recrystallization) was used to predict the recrystallization (RX) texture and microstructure of 70% cold rolled commercial AA8079L alloy at 300°C. The nucleation of the Cube orientation is of considerable scientific interest since the Cube texture component influences significantly the anisotropy of material properties. Experimental data collected during this investigation were used for subsequent modeling. By studying the annealed material by EBSD, an average nucleation rate at Cube bands was established and used in the model. The simulated microstructure reveals, in general, good agreement with experiment. The texture prediction shows the right tendency, but the modeled intensity of the Cube texture is about 2 times smaller than in experiment.




E.J. Palmiere and B.P. Wynne






O. Sukhopar and G. Gottstein, "Modeling Recrystallization in Al Alloys: Investigation of Nucleation at Cube Bands", Materials Science Forum, Vols. 715-716, pp. 455-460, 2012


April 2012




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