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METHOD OF MAKING COATED CEMENTED CARBIDE WITH A BINDER PHASE ENRICHED SURFACE ZONE
METHOD OF MAKING COATED CEMENTED CARBIDE WITH A BINDER PHASE ENRICHED SURFACE ZONE
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机译:用粘结剂相富集的表面区制造硬质合金涂层的方法
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摘要
The present invention relates to a coated cemented carbide comprising WC, a binder phase based on Co, Ni or Fe and gamma phase and with a binder phase enriched surface zone essentially free of gamma phase. The gamma phase has an average grain size 1 µm. In this way a binder phase enriched cemented carbide with improved toughness and essentially unchanged resistance against plastic deformation is obtained.
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