English: Left to right: Ceramographically mounted titanium nitride (TiN) bar and chromia-alumina (Cr2O3-Al2O3) refractory brick, and metallographically mounted steel bicycle hub axle cross-section.
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{{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{en|Left to right: Ceramographically mounted titanium nitride (TiN) bar and chromia-alumina (Cr2O3-Al2O3) r