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. 2023 May 3;123(10):6716–6792. doi: 10.1021/acs.chemrev.2c00751

Figure 1.

Figure 1

Porosity evolution during dealloying modeled by kinetic Monte Carlo simulation. Primary dealloying (A–C) starts with surface roughening and formation of passivated mounds (A). Small ligaments form by undercutting and the corrosion front proceeds inward, leaving a high concentration of less noble species in the ligaments’ interior (B,C). Secondary dealloying coarsens the structure and reduces the residual amount of less noble element (D). Reproduced with permission from ref (90). Copyright 2022 Elsevier.