Patent · US Active

Environmental barrier coatings providing CMAS mitigation capability for ceramic substrate components

US8039113B2 · kind B2 · utility

18Cited by

16References

1Claims

0Family size

Assignee

General Electric Company · US

Inventors

Glen Harold Kirby · Kyles, US
Brett Allen Boutwell · Monroe, US
John Frederick Ackerman · Laona, US

Key dates

Filing date	Dec 19, 2008
Grant date	Oct 18, 2011
Priority date	—
Expiry date	Jul 19, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31667
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

Environmental barrier coating having CMAS mitigation capability for oxide components. In one embodiment, the barrier coating includes an outer layer selected from AeAl2O19, AeHfO3, AeZrO3, ZnAl2O4, MgAl2O4, Ln4Al2O9, Lna4Ga2O9, Ln3Al5O12, Ln3Ga5O12, and Ga2O3.

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