| 简介 |
PROBLEM TO BE SOLVED : To provide a cemented carbide which reduces abrasion generated when in use as a tool, fixing of a workpiece to a cemented carbide tool by burning, or damage of the carbide tool, and prolongs the service life of the carbide tool.
SOLUTION : The cemented carbide has a binder phase including iron-based metals as a main component of 3-30 wt.% and a hard phase comprising tungsten carbide (WC), and the oxide including at least one oxide of rare earth (including Sc, Y) is dispersed in the binder metal. The oxide is contained in 0.01 wt.% or more based on the whole of the carbide.
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