Table 1.

Heat-treatment parameters and the corresponding grain sizes.

Annealing Conditions	900 °C, 0.25 h	950 °C, 0.5 h	1000 °C, 1 h
Grain size average (μm)	18.18	29.59	40.51
Grain size deviation (μm)	4.54	8.86	17.33
Grain size/sheet thickness (d/t)	0.18	0.30	0.41