Method for producing a hard material layer on a substrate, hard material layer, machining tool and coating source

US10920325B2 · kind B2 · utility

Assignees

• Ceratizit Austria Gesellschaft m.b.H. · AT
• PLANSEE COMPOSITE MATERIALS GMBH · DE

Inventors

• Christoph Czettl · Ibirité, BR
• Markus POHLER · Reutte, AT
• Peter Polcik · Reutte, AT
• Martin Kathrein · Reutte, AT

Key dates

• Filing date: Mar 3, 2017
• Grant date: Feb 16, 2021
• Expiry date: Sep 8, 2037

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B23B2224/24
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

A process for producing a hard material layer on a substrate. A multilayer coating system is applied to the substrate by alternate deposition of CrTaN and AlTiN by way of physical vapor deposition (PVD). The CrTaN and/or the AlTiN are preferably deposited from a composite target.