Fig. 10: Three-dimensional surface roughness measurements with increasing immersion times.

a–d GI-coated steel. e–h GA-coated steel. a, e 24 h. b, f 72 h. c, d, g, h 168 h.

a–d GI-coated steel. e–h GA-coated steel. a, e 24 h. b, f 72 h. c, d, g, h 168 h.