Patent · US Active

Coatings for cutting tools

US9017809B2 · kind B2 · utility

2Cited by

66References

26Claims

0Family size

Assignee

KENNAMETAL INC. · US

Inventors

Volkmar Sottke · Bad Hersfeld, DE
Doris Lenk · Neheim, DE
Hartmut Westphal · Dermbach, DE
Hendrikus Van Den Berg · Venlo, NL
Peter R. Leicht · Latrobe, US
Mark S. Greenfield · Greenville, US
Yixiong Liu · Greensburg, US

Key dates

Filing date	Jan 25, 2013
Grant date	Apr 28, 2015
Priority date	—
Expiry date	Jun 22, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/252
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

In one aspect, cutting tools are described having coatings adhered thereto. A coated cutting tool, in some embodiments, comprises a substrate and a coating adhered to the substrate, the coating comprising at least one composite layer deposited by chemical vapor deposition comprising an aluminum oxynitride phase and a metal oxide phase, the metal oxide phase including at least one oxide of a metallic element selected from Group IVB of the Periodic Table.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.