Patent · US Expired

Method of repairing a ceramic coating

US6890587B2 · kind B2 · utility

6Cited by
19References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 12, 2002
Grant dateMay 10, 2005
Priority date
Expiry dateDec 12, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T50/60
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

It is a method of repairing a ceramic coating of an article after use of this article in a high temperature environment disclosed. The ceramic coating is removed locally at spalled areas, at the areas where the ceramic coating is removed locally a mixture including a powder of zirconia stabilized with one or a combination of yttria, calcia, scandia, magnesia, ceria and oxides of the rare earth group, and hydrated metallic halides as a binder is applied and the applied ceramic powder is dried.

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