Kennametal Inc.
Coating and coated cutting tool comprising the coating

Last updated:

Abstract:

A coating includes a layer having an alumina matrix and at least one of zirconia grains and hafnia grains in the alumina matrix. An average grain size of the at least one of the zirconia grains and hafnia grains is 100 nm or less. A coated cutting tool includes a substrate and the coating bonded to the substrate. The substrate has a rake face, a flank face, and a cutting edge formed at the intersection of the rake face and the flank face.

Status:
Grant
Type:

Utility

Filling date:

4 Jan 2020

Issue date:

28 Jun 2022