Fig. 4: Elemental distribution maps of O, Ni, and Cr taken from regions marked in STEM-HAADF micrographs of Ni-Cr model alloys after exposure for 1 h at 600 ∘C.
From: Visualizing oxygen transport pathways during intergranular oxidation in Ni-Cr
a IG attack in Ni-5Cr and b protected GB in Ni-20Cr.
