CVD coated polycrystalline c-BN cutting tools

In one aspect, the present invention provides coated cutting tools comprising a PcBN substrate wherein a layer of single phase alpha-alumina is deposited by chemical vapor deposition directly on one or more surfaces of the substrate.

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Bibliographische Detailangaben
Hauptverfasser:	LIU YIXIONG, BAN ZHIGANG
Format:	Patent
Sprache:	eng
Schlagworte:	LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS TRANSPORTING
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Beschreibung
Zusammenfassung:	In one aspect, the present invention provides coated cutting tools comprising a PcBN substrate wherein a layer of single phase alpha-alumina is deposited by chemical vapor deposition directly on one or more surfaces of the substrate.