Relationship between Surface Abrasion Wear and Brightness in Glazed Porcelainized Stoneware Tiles
Figure 4
OM micrographs (top views) of bright glaze surfaces coated with the protective layer deposited in half-sphere geometry, after 2,000 cycles (revolutions): (a) P20C (5x), (b) P (20x), (c) P10C (20x), and (d) P20C (20x). Not etched.
