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. 2016 Sep 7;11(9):e0162315. doi: 10.1371/journal.pone.0162315

Fig 11. Surface morphologies of the EQ70 steel after removing the corrosion product at various cathodic polarization potentials in the PGC medium.

Fig 11

a) OCP; b) -0.85 VSCE; c) -0.95 VSCE; d) -1.05 VSCE.