CUTTING TOOL AND MANUFACTURING METHOD THEREFOR

A cutting tool includes: a substrate; and a coating film formed on the substrate, wherein the coating film includes a first layer formed on the substrate, and a second layer formed on the first layer, the first layer is composed of a boride including zirconium as a component element, and the second...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SETOYAMA, Makoto, FUKUI, Haruyo, TANAKA, Keizo
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:A cutting tool includes: a substrate; and a coating film formed on the substrate, wherein the coating film includes a first layer formed on the substrate, and a second layer formed on the first layer, the first layer is composed of a boride including zirconium as a component element, and the second layer is composed of a nitride including zirconium as a component element.