Patent · US Expired

Tungsten chromium carbide-nickel coatings for various articles

US4999255A · kind A · utility

10Cited by
15References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 27, 1989
Grant dateMar 12, 1991
Priority date
Expiry dateNov 27, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/12139
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A tungsten chromium carbide-nickel coated article and process for producing it in which the coating contains chromium-rich particles having at least 3 times more chromium than tungsten and wherein said chromium-rich particles comprise at least about 4.5 volume percent of the coating.

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