Turbine component other than airfoil having ceramic...

Details Turbine component other than airfoil having ceramic... Turbine component other than airfoil having ceramic...

2005-03-31

2010-02-23

Speer, Timothy M (Department: 1794)

Stock material or miscellaneous articles

Composite

Of metal

C428S472000, C428S702000, C416S24100B

Reexamination Certificate

active

07666515

ABSTRACT:
An article comprising a turbine component other than an airfoil having a metal substrate and a ceramic corrosion resistant coating overlaying the metal substrate. This coating has a thickness up to about one micrometer and consists of a ceramic composition that comprises a ceramic metal oxide selected from the group consisting of zirconia, hafnia and mixtures thereof. This coating can be formed by alternative methods to have different microstructures, including a dense matrix or a strain-tolerant columnar grain structure.

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