Patent · US Expired

Diamond compact for a wire drawing die and a process for the production of the same

US4370149A · kind A · utility

26Cited by
4References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 23, 1981
Grant dateJan 25, 1983
Priority date
Expiry dateJan 23, 2001

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J2203/0685
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

This invention relates to a diamond compact for a wire drawing die, which comprises 70 to 95% by volume of diamond powder with a particle size of at most 50 microns and the balance of a binder phase consisting of a carbide of WC or (Mo, W)C with a particle size of at most 1 micron and an iron group metal, the carbide and iron group metal in the binder phase being in such a proportion by weight that the content of the carbide is more than that corresponding to the eutectic composition.

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