Patent · US Active

Cutting tool

US11162161B2 · kind B2 · utility

0Cited by

8References

12Claims

0Family size

Assignee

Sandvik Intellectual Property AB · SE

Inventors

Leif Akesson · Ayacucho, PE
Jose Luis GARCIA · Stockholm, SE
Kare Finneid · Kalmar, SE

Key dates

Filing date	Dec 16, 2016
Grant date	Nov 2, 2021
Priority date	—
Expiry date	May 27, 2038

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC23C16/403
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

The present disclosure relates to a cutting tool of a cemented carbide substrate including WC and a binder phase having one or more of Co, Fe and Ni, wherein the cemented carbide also includes a finely dispersed eta phase of Me12C and/or Me6C carbides, where Me is one or more metals selected from W, Mo and the binder phase metals, wherein the substoichiometric carbon content in the cemented carbide is between −0.30 to −0.16 wt %. The disclosed cutting tool will achieve an improved resistance against comb cracks.

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