Patent ID: 11913096
Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
Field: Materials, metallurgy (Chemistry)
Classification: CPC C  B | IPC C

Claim 0:
1. A cemented carbide composed of a first hard phase, a second hard phase and a binder phase,
wherein the first hard phase is composed of tungsten carbide particles,
the second hard phase is composed of at least one first compound selected from the group consisting of TiNbC, TiNbN and TiNbCN,
the second hard phase has an average particle diameter of 0.25 μm or less,
the second hard phase has a dispersity of more than 0.70 and 17.0 or less,
a content of the second hard phase is 0.1 vol % or more and 15 vol % or less,
the binder phase contains at least one first element selected from the group consisting of iron, cobalt and nickel, and
a content of the binder phase is 0.1 vol % or more and 19.0 vol % or less.