Skip to main content
. 2018 Jul 19;8:10925. doi: 10.1038/s41598-018-29299-5

Figure 3.

Figure 3

(a) Relative contents of chemical elements on the surface of the plasma electrolytic oxidation (PEO), and PEO coating followed by dip-coating (DC) with thiourea; and (b) characteristics of the surface porosity and pore size of PEO coating and PEO-DC coating.