Fig. 5
From: The effect of artificial aging after multi-directional forging of supersaturated AA2024

Optical microscope images of aluminum alloy 2024 dissolved samples at 500 ℃ for 1 h, post-MDF (single pass) and aged at (a) 100 ℃, (b) 140 ℃, (c) 190 ℃, (d) 240 ℃, (e) 290 ℃ for 1 h.