Fig. 2: STEM-HAADF micrographs of representative GB regions in Ni-5Cr after 1 h exposure at 600 ∘C.
From: Visualizing oxygen transport pathways during intergranular oxidation in Ni-Cr
a Protected GB. b Internally attacked GB. c Detailed view on oxide region that is indicated in b. d FFT of the displayed region and corresponding Cr2O3 lattice reflection with high-resolution electron micrograph as inset.
