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. 2023 Sep 15;16(18):6222. doi: 10.3390/ma16186222

Figure 3.

Figure 3

Comparison of 3D AFM images of sandblasted, mechanically polished and plasma electrolytically polished Co-Cr alloys. AFM images are 100 µm in width and height. They are shown with OpenGL lighting for better contrast. (a) Sandblasted Wironit® specimen showing a rough surface with irregular porosity. (b) Plasma-polished Wironit® specimen showing inhomogeneities and interspersed insular structures. (c) Mechanically polished Wironit® specimen showing a smooth surface with numerous polishing marks. (d) Sandblasted Heraenium® Sun specimen depicting a rough surface. (e) Plasma-polished Heraenium® Sun specimen showing a smooth surface with a few inhomogeneities and interspersed insular structures. (f) Mechanically polished Heraenium® Sun specimen showing a smooth surface with numerous polishing scratches.