| 摘要 |
A cutting tool for machining titanium and titanium alloys which comprises a tungsten carbide-containing substrate alone or with a tungsten carbide tip brazed thereto. The cutting tool further includes a hard coating on either the substrate alone or on the tungsten carbide tip. The coating may be PVD-applied tungsten carbide, CVD-applied boron carbide or PVD-applied boron carbide.
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