Patent · US Expired

Tungsten cermet

US4587174A · kind A · utility

42Cited by
1References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 23, 1983
Grant dateMay 6, 1986
Priority date
Expiry dateDec 23, 2003

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/12056
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A tungsten cermet for use in cutting tools, including a carbonitride, having titanium and tungsten, and aluminum oxide. The cermet contains about 10 to about 50% by weight of the carbonitride, about 0.5 to about 10% by weight of aluminum oxide and tungsten as a binder. The tungsten cermet has excellent properties in toughness, impact resistance and oxidation resistance, combined with wear resistance and plastic deformation resistance, and is useful for cutting tools used in heavy cutting, hot working and the like.

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