Gegenstand auf der Basis von Zirkonoxid, seine Verwendung als verschleissbeständiges Armbanduhrenteil und Verfahren zu seiner Herstellung

摘要

The invention concerns a zirconia based ceramic article having a core of ZrO2 and/or partially reduced ZrO2, characteriZed in that it includes, over at least part of its surface, a superficial layer integral with said article, the thickness of said superficial layer including a plurality of regions of which one external region is formed of zirconium carbide having a metallic appearance.