Patent · US Expired

Thermally sprayed coatings

US6833165B2 · kind B2 · utility

2Cited by
13References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 26, 2002
Grant dateDec 21, 2004
Priority date
Expiry dateSep 26, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23C4/10
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

The present invention relates to a method including thermal spraying a chromium nitride or a chromium carbide and chromium silicide coating material on to an article. The coating material may be in a powder form before thermal spraying. In one aspect, the thermal spraying includes melting the coating material, propelling the molten coating material toward the article to be coated, and coating the article with the molten coating material. In another aspect, the coated article is one or more piston rings.

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