Fig. 8: Composite SEM fractograph showing the wetting phase of the segmented humidity test shown in (Fig. 4).
From: The effect of variable humidity on corrosion fatigue of AA7085-T7451 with surface salt deposits

Crack growth is left to right. Vertical dashed lines demarcating approximate locations where humidity was changed are shown and labeled. The approximate boundary between a flat transgranular cracking morphology to a faceted morphology is demarcated with a yellow dashed line.