Abstract
Computer simulated orientations of individual grains in an austenitic steel having a {011}〈211〉 rolling texture and a {311}〈112〉 recrystallisation texture have been generated. These data were used as input to calculate the distribution of misorientations – the ‘meso texture’ – that evolves. First and second order twinning in the recrystallised grains were incorporated into the model. The results showed that the preferred misorientations were those coincident site lattices (CSLs) whose rotation axis was 210 or 331. The possibilities for CSL generation at impinging recrystallised grains was also explored, and it was found that the same family of CSLs could regenerate. The simulated data were in excellent agreement with experimental mesotexture data from partially recrystallised specimens of austenitic steel.
MST/1269
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