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. 2023 Feb 1;10:rbad007. doi: 10.1093/rb/rbad007

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© The Author(s) 2023. Published by Oxford University Press.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 6. — Comparison of the inhomogeneity-relevant parameters among iron corrosion in five media. (A) Corrosion pit depths and pitting factors of iron immersed for 3 and 7 days in different media. The lower picture shows schematically the fluctuation of corrosion pit depths with the examined regions. (B) Half-coverage mass M_corro50% calculated using C-M equation to quantify the corrosion inhomogeneity of iron in the indicated 5 media shown in sequence of increased corrosion inhomogeneity. (C) Corrosion pit density after immersion for 4 h to characterize corrosion inhomogeneity.