Figure 6

SEM image of representative sample of porcelain ground with the coarse diamond instrument. Original magnification ×500. The surface reveals a maze of steep ridges, grooves and voids. SEM, scanning electron microscopy.

SEM image of representative sample of porcelain ground with the coarse diamond instrument. Original magnification ×500. The surface reveals a maze of steep ridges, grooves and voids. SEM, scanning electron microscopy.