Fig. 5 | npj Materials Degradation

Fig. 5

From: Localized corrosion of low-carbon steel at the nanoscale

Fig. 5

Analysis of uniform aqueous corrosion of 1018 steel. a BF-STEM micrograph showing steel sample on a single liquid-cell window prior to exposure to aqueous media. b TEM micrograph of corroded sample on a single liquid-cell window. Scale bar indicates 2 µm. Inset, circles identify locations of corresponding EELS log-ratio thickness measurements for the layered ferrite-cementite grains, as discussed in the text. Inset scale bar indicates 100 nm. c EFTEM relative thickness map of corroded sample with Si3N4 window thickness subtracted

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