Patent · US Expired

Zirconium layer for bonding diamond compact to cemented carbide backing

US4108614A · kind A · utility

113Cited by
13References
5Claims
0Family size

Inventor

Key dates

Filing dateMar 31, 1977
Grant dateAug 22, 1978
Priority date
Expiry dateMar 31, 1997

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB24D3/08
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

An abrasive body comprising a diamond compact bonded to a cemented carbide backing by means of a continuous zirconium layer, the thickness of which is less than 0.5 mm, the diamond compact being substantially free of graphite and having a bonding matrix selected from a metal of Group VIII of the Periodic Table or an alloy containing one or more such metals and at least 70 percent by volume of diamond particles, and the cemented carbide backing being selected from cemented tantalum carbide, cemented tungsten carbide and cemented titanium carbide and mixtures thereof.

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