Sumitomo electric industries, ltd. (20250100057). CEMENTED CARBIDE AND CUTTING TOOL USING THE SAME
CEMENTED CARBIDE AND CUTTING TOOL USING THE SAME
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 AND CUTTING TOOL USING THE SAME
This abstract first appeared for US patent application 20250100057 titled 'CEMENTED CARBIDE AND CUTTING TOOL USING THE SAME
Original Abstract Submitted
a cemented carbide comprising a plurality of tungsten carbide particles and a binder phase, wherein the cemented carbide comprises a total of 80% by volume or more of the tungsten carbide particles and the binder phase, the cemented carbide comprises 0.1% by volume or more and 20% by volume or less of the binder phase, the cemented carbide comprises at least one first element selected from the group consisting of titanium, tantalum, niobium, zirconium, hafnium, and molybdenum, the cemented carbide comprises a total of 0.01 atomic % or more and 10.0 atomic % or less of the first element, the binder phase comprises 50% by mass or more of cobalt, and the first element is not segregated in a first interface region between the tungsten carbide particles adjacent to each other.