Patent · US Expired

Method of manufacturing an article with a protective coating system including an improved anchoring layer

US6821578B2 · kind B2 · utility

16Cited by
16References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 25, 2002
Grant dateNov 23, 2004
Priority date
Expiry dateDec 7, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/12944
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A method of placing a ceramic coating on an article of manufacture comprising a substrate formed of a nickel or cobalt-based superalloy, which includes the steps of placing a bonding layer on the substrate and placing an anchoring layer, which is chemically different from the bonding layer and comprises a nitride compound, on the bonding layer. The method further includes the step of placing the ceramic coating on the anchoring layer.

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