Patent · US Expired

Titanium carbonitride-based cermet cutting insert

US5518822A · kind A · utility

4Cited by
8References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 12, 1994
Grant dateMay 21, 1996
Priority date
Expiry dateOct 12, 2014

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/12174
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A TiCN-based cermet cutting insert superior in toughness with improved wear resistance includes a binding phase and at least two hard dispersion phases. One of the hard dispersion phases includes one of a duplex and triplex structure having a core structure containing at least one of titanium carbonitride and a carbonitride solid solution of Ti and one of a V, Cr, Ti, Nb, Zr, W and Mo (hereinafter referred to as a (Ti,M)CN. The other hard dispersion phase includes a single structure wherein the core structure is composed of at least one of (Ti,M)CN or (Ti,M)CN and TiCN.

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