Abstract
Twin-roll cast AlFeMnSi thin strips show some marked differences with respect to conventional strips in their response to an annealing treatment. When annealed as-cast, the grain structure is rearranged by a growth process starting at 525 °C. The surface as well as the interior of the strip recrystallizes starting at 420 °C, when the thin strip is annealed after a cold rolling pass. Recrystallization of the surface relies entirely on the growth of the grains which have nucleated in the interior of the strip. The final strip structure in both cases is a coarse one with large grains across the section of the strip.
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