Fig. 6: OM images (cross section) and EBSD maps (longitudinal section) of the optimized alloy.
From: Accelerated discovery of high-strength aluminum alloys by machine learning
a As-quenched microstructure after a double-stage solution treatment of (450 °C/1 h + 470 °C/2 h). b As-aged microstructure after the double-stage solution treatment of (450 °C/1 h + 470 °C/2 h) and an ageing treatment of 150 °C/2 h. The large white patches represent recrystallized grains. c EBSD orientation map in the DT6 condition. The insert is the IPF color code. d EBSD recrystallization distribution map in the DT6 condition. Scale bars, 100 µm in a and b, 20 µm in c and d.
