Patent · US Expired

Corrosion resistant coating for oxide dispersion strengthened alloys

US4943487A · kind A · utility

8Cited by
11References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 18, 1988
Grant dateJul 24, 1990
Priority date
Expiry dateJul 18, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/12931
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A corrosion resistant duplex coating for oxide dispersion strengthened alloys permitting high temperature applications is disclosed. An inner coating substantially free of oxide dispersoids and compatible with the substrate is sandwiched between the substrate and an outer layer of the MCrA1Y type.

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