Patent · US Expired

Titanium nitride base cermets with high toughness

US4563215A · kind A · utility

5Cited by
3References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 21, 1983
Grant dateJan 7, 1986
Priority date
Expiry dateJan 21, 2003

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC22C29/02
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A titanium nitride base cermet with high toughness comprises, by weight, 42 to 95% of TiN, 2 to 20% of one or more of Mo, W and the carbides thereof, 2.85 to 30% of an Ni, Co or a mixture thereof, and 0.15 to 8.0% of Al.sub.4 C.sub.3, with the balance being inevitable impurities, wherein half or less of TiN may be replaced with one or more of the carbides and/or carbonitrides of metals from the Groups IVa and Va of the periodic table, with the proviso that the amount of TiN is no less than 30% in the cermet.

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