Workpiece with hard coating

Details Workpiece with hard coating Workpiece with hard coating

C - Chemistry, Metallurgy

23

C

C23C 28/00 (2006.01) C23C 14/06 (2006.01) C23C 14/32 (2006.01) C23C 28/04 (2006.01) C23C 30/00 (2006.01)

Patent

CA 2662537

A workpiece has a body (3) and a wear-resistant hard coating system (HLo), which system comprises a layer of the following composition: (Al1-a-b-c Cra Bb Zc)X where X is at least one of : N, C, CN, NO, CO, CNO; Z is at least one of : W, Mo, Ta, Cb (Nb). For a, b and c specific ranges of values are valid.

L'invention concerne une pièce à usiner qui comprend un corps (3) et un système de revêtement dur résistant à l'usure (HLo). Le système comprend une couche de composition suivante : (Al1-a-b-c Cra Bb Zc)X, où X représente au moins un des éléments suivants : N, C, CN, NO, CO, CNO; et Z représente au moins un des éléments suivants : W, Mo, Ta, Cb (Nb). Pour a, b et c, des plages de valeurs spécifiques sont valides.

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