Patent · US Active

Coated cutting tool and method of making the same

US9447491B2 · kind B2 · utility

1Cited by

3References

34Claims

0Family size

Assignee

Sandvik Intellectual Property AB · SE

Inventors

Mats Ahlgren · Täby, SE
Naureen Ghafoor · Linköping, SE
Magnus Oden · Tullinge, SE
Lina Rogstrom · Linköping, SE
Mats Johansson Joesaar · Örebro, SE

Key dates

Filing date	Feb 14, 2013
Grant date	Sep 20, 2016
Priority date	—
Expiry date	Feb 26, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/24975
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

The present invention relates to a coated cutting tool with a coating comprising a multilayer structure consisting of alternating layers A and B forming the sequence A/B/A/B/A . . . or alternating layers A and B and an intermediate layer C between the alternating layers A and B forming the sequence A/C/B/C/A/C/B . . . . Layer A consists of ZrAlN and layer B consists of TiN. Layer C comprises one or more metal elements from each of layers A and B and is of different composition and structure than layers A and B. A method for forming the coated cutting tool is also provided. The method comprises heat treatment of the coated cutting tool prior to use.

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