Patent · US Active

Combustion turbine component having rare earth CoNiCrAl coating and associated methods

US8043717B2 · kind B2 · utility

4Cited by
32References
35Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 20, 2008
Grant dateOct 25, 2011
Priority date
Expiry dateJul 5, 2029

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31678
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A combustion turbine component (10) includes a combustion turbine component substrate (16) and an alloy coating (14) on the combustion turbine component substrate. The alloy coating (14) includes a first amount, by weight percent, of cobalt (Co) and a second amount, by weight percent, of nickel (Ni), the first amount being greater than the second amount. The alloy coating further includes chromium (Cr), aluminum (Al), at least one rare earth element, and an oxide of the at least one rare earth element.

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