Patent · US Expired

Cermet alloy and process for its production

US5149595A · kind A · utility

11Cited by
3References
26Claims
0Family size

Assignees

Inventors

Key dates

Filing dateSep 11, 1991
Grant dateSep 22, 1992
Priority date
Expiry dateSep 11, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/30
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A cermet alloy having a structure comprising a hard phase and a bonding phase, said hard phase comprising (1) at least one of MC, MN and MCN, wherein M is at least one element selected from Ti, Zr, Hf, Th, V, Nb, Ta, Pa, Cr, Mo, U and W and (2) at least one W-Co-B compound; said bonding phase comprising Co. The cermet has superior toughness and hardness, and can be worked by conventional sintering methods. The invention also includes a method for producing the cermet.

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