Patent · US Expired

Method for preparation of WC-NI grade powder

US5057147A · kind A · utility

6Cited by
6References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 15, 1990
Grant dateOct 15, 1991
Priority date
Expiry dateJun 15, 2010

Classification

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

Abstract

A method is disclosed for producing tungsten carbide-nickel powder which comprises forming a powder mixture consisting essentially of in percent by weight of about 0.1 to about 1.0 dimolybdenum carbide, about 1 to about 4 tungsten metal powder, about 80 to about 98% tungsten carbide and about 2 to about 20 nickel, wherein a sintered article produced from the powder has a relatively uniform microstructure.

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