Back to results
US 12,584,201 B2Granted
Item made of precious cermet
AssigneeThe Swatch Group Research and Development Ltd
InventorsGregory Kissling, Denis Vincent, Stéphane Lauper, Bernard Bertheville
Life of this patent
Estimating the term…
Abstract
An item produced in a cermet material including by weight between 85 and 94% of a ceramic phase and between 6 and 15% of a metal binder phase, the ceramic phase mostly including a tungsten carbide phase and optionally one or more phases of one or more secondary carbides selected from the elements Ti, Zr, Hf, V, Nb, Ta, Cr and Mo, the metal binder comprising Ag, Pd, Ru and Co. The invention generally relates to the method for manufacturing said item.
Claims14
An item produced in a cermet material, the cermet material comprising:
- between 85 and 94% by weight of a ceramic phase;
- and
- between 6 and 15% by weight of a metal binder phase, each relative to a total weight of the cermet material,
- wherein the ceramic phase mostly comprises a tungsten carbide phase and optionally one or more phases of one or more carbides selected from the group consisting of elements Ti, Zr, Hf, V, Nb, Ta, Cr, and Mo,
- the metal binder phase consists, apart from the impurities, of Ag, Pd, Ru, and Co,
- Ag is present in a percentage by weight between 5 and 14%,
- Pd is present in a percentage by weight between 0.5 and 4%, and
- Co and Ru are each independently present in a percentage by weight between 0.02 and 4%, each relative to a total weight of the cermet material.
5 more elements
Dependencies are inferred from the claim text.