Abstract
The formation of a recrystallization texture is closely related to the nucleation and growth of recrystallizing grains, which may vary from grain to grain. Cube texture is a commonly observed recrystallization texture in face centered cubic metals of medium to high stacking fault energy after heavy cold-rolling and annealing. In this work, recrystallization of pure copper cold-rolled to a von Mises strain of 2.7 was investigated in situ using three-dimensional X-ray diffraction. Growth curves of 835 grains were determined, and the curves of cube and noncube grains were compared. It was found that the nucleation times of cube grains and non-cube grains were similar, whereas the growth rates of a few but not all cube grains were high. Effects hereof for the development of the cube texture were discussed.
Highlights
Recrystallization kinetics and formation of a strong cube texture in heavily cold-rolled face centered cubic metals have been extensively studied both experimentally and theoretically (e.g. [1,2,3,4])
Most experimental studies of recrystallization kinetics are based on a series of partially recrystallized samples characterized by optical or electron microscopy (e.g. [5])
3D X-ray diffraction (3DXRD) microscopy was developed and used to study recrystallization kinetics of cold-rolled aluminium [6], which showed that each recrystallizing grain followed its own kinetics
Summary
Recrystallization kinetics and formation of a strong cube texture in heavily cold-rolled face centered cubic metals have been extensively studied both experimentally and theoretically (e.g. [1,2,3,4]). The formation of a recrystallization texture is closely related to the nucleation and growth of recrystallizing grains, which may vary from grain to grain. It was found that the nucleation times of cube grains and non-cube grains were similar, whereas the growth rates of a few but not all cube grains were high.
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