Coated tool with coating comprising boride-containing diffusion barrier layer

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United States of America

PATENT NO 12157939
APP PUB NO 20220136096A1
SERIAL NO

17429576

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Abstract

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Coated tool comprising a coated surface, the coated surface comprising a substrate having a surface on which a coating is deposited, wherein the substrate is made of a material comprising cobalt, and wherein the coating comprises at least one boron-comprising layer, wherein the at least one boron-comprising layer comprises Al and the boron comprised in this layer is present as boride, thereby the boron-comprising layer is able to form further layers for providing a diffusion barrier layer effect, in particular for stopping diffusion of cobalt from the substrate surface to the coating, when the coated tool or the coated surface is exposed to temperatures in a range between approximately 600 and 1200° C.

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Patent Owner(s)

Patent OwnerAddress
OERLIKON SURFACE SOLUTIONS AG PFÄFFIKONCHURERSTRASSE 120 8808 PFÄFFIKON 8808

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arndt, Mirjam Wetzlar, DE 19 34
Bolvardi, Hamid Selzach, CH 8 29
Ramm, Jürgen Maienfeld, CH 28 70

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