Patent · US Active

Method of producing a PVD layer and a coated cutting tool

US10837100B2 · kind B2 · utility

0Cited by

1References

15Claims

0Family size

Assignee

Sandvik Intellectual Property AB · SE

Inventors

Lars Johnson · Stockholm, SE
Marta SARAIVA · Stuvsta-Snättringe, SE

Key dates

Filing date	Dec 20, 2016
Grant date	Nov 17, 2020
Priority date	—
Expiry date	Dec 24, 2036

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC23C30/005
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A method for producing a coating on a substrate, wherein the coating includes a PVD layer (A), deposited by cathodic arc evaporation, being a compound of the formula MexSiyAlzCaNbOc, wherein Me is one or more metals of groups 4, 5 and 6 in the IUPAC periodic table of elements. The PVD layer (A) is deposited by applying a pulsed bias voltage of from about −40 to about −450 V to the substrate and using a duty cycle of less than about 12% and a pulsed bias frequency of less than about 10 kHz. A coated cutting tool having a substrate and a coating is also disclosed, wherein the coating includes the PVD layer (A) with the compound of the formula MexSiyAlzCaNbOc. The PVD layer (A) is crystalline having a FWHM (Full Width at Half Maximum) value for the cubic (111) peak in X-ray diffraction of ≤0.3 degrees (2theta).

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