Patent · US Expired

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

US4374900A · kind A · utility

59Cited by
10References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 29, 1979
Grant dateFeb 22, 1983
Priority date
Expiry dateJun 29, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/12576
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

The present invention relates to a composite diamond compact for a wire drawing die, in which a part or all of the circumference of a diamond sintered body is surrounded by a cermet consisting of a hard compound of (Mo, W)C type carbide crystals containing molybdenum as a predominant component, bonded by an iron group metal, and the binder phase of the diamond sintered body contains an iron group metal and fine carbide crystals containing molybdenum as a predominant component.

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