Fig. 3
From: Transport mechanisms during the high-temperature oxidation of ternary γ/γ′ Co-base model alloys

IPF maps of externally grown CoO layers on 9Wsx. Displayed are representative sections of the outer oxide layer after (a) 30 min, (b) 1 h, (c) 5 h and (d) 12 h exposure at 900 °C in synthetic air. e Stereographic triangle for CoO. Scale bars, 5 μm