CUTTING TOOL
    4.
    发明公开
    CUTTING TOOL 审中-公开

    公开(公告)号:EP3393703A1

    公开(公告)日:2018-10-31

    申请号:EP16810406.5

    申请日:2016-12-16

    CPC classification number: C22C29/08 B22F2005/001 C22C1/051 C22C29/067

    Abstract: The invention relates to a cutting tool comprising a cemented carbide substrate comprising WC and a binder phase comprising one or more of Co, Fe and Ni wherein the cemented carbide also comprises a finely dispersed eta phase comprising Me12C and/or Me6C carbides where Me is one or more metals selected from W, Mo and the binder phase metals wherein the substoichiometric carbon content in the cemented carbide is between -0.30 to - 0.16 wt%. The cutting tool will achieve an improved resistance against comb cracks.

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