CEMENTED CARBIDE

Organization Name

sumitomo electric industries, ltd.

Inventor(s)

Yasuki Kido of Osaka-shi, Osaka JP

Yoshihiro Kimura of Osaka-shi, Osaka JP

Anongsack Paseuth of Osaka-shi, Osaka JP

CEMENTED CARBIDE

This abstract first appeared for US patent application 20250101550 titled 'CEMENTED CARBIDE

Original Abstract Submitted

provided is a cemented carbide comprising a plurality of tungsten carbide grains and a binder phase, wherein the cemented carbide comprises the tungsten carbide grains and the binder phase in a total of 89% by volume or more, the cemented carbide comprises 1.8% by volume or more and 20.0% by volume or less of the binder phase, the binder phase contains cobalt, the cemented carbide contains 1.0% by mass or more of cobalt, and a percentage (y2/y1)�100 of a young's modulus of the binder phase at 600� c., y2 gpa, to a young's modulus at 25� c., y1 gpa, as measured by a nanoindenter method is 50% or more.