Cutting insert of a cermet having a Co-Ni-Fe-binder

US6010283A · kind A · utility

Assignee

• KENNAMETAL INC. · US

Inventors

• Hans-Wilm Henrich · Bayreuth, DE
• Manfred Wolf · Wertheim, DE
• Dieter Schmidt · Bayreuth, DE
• Uwe Schleinkofer · Latrobe, US

Key dates

• Filing date: Aug 27, 1997
• Grant date: Jan 4, 2000
• Expiry date: Aug 27, 2017

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/24942
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A cutting insert including a flank face, a rake face, and a cutting edge at the intersection of the flank and rake faces that is useful in the chip forming machining of workpiece materials is disclosed. The cutting insert comprises a cermet comprising at least one hard component and about 2 wt % to 19 wt % Co--Ni--FE-binder. The Co--Ni--FE-binder is unique in that even when subjected to plastic deformation, the binder substantially maintains its face centered cubic (fcc) crystal structure and avoids stress and/or strain induced transformations.