| 摘要 |
A diamond-coated cemented carbide cutting tool formed by coating a tool base body with a diamond film, the tool base body being formed from a tungsten carbide-based super hard alloy having 3 to 15 mass% of Co, a total of 0.1 to 3.0 mass% of TaC and/or NbC, and the remainder being configured from WC, wherein: multiple convex parts are present on the surface of the tool base body; the top portion of the convex parts is configured from TaC and/or NbC; and the lower portion of the convex parts, which is positioned below the top portion, is configured from WC and Co. |
