Multilayer nanostructured ceramic thermal barrier coatings

Details Multilayer nanostructured ceramic thermal barrier coatings Multilayer nanostructured ceramic thermal barrier coatings

1998-09-10

1999-12-07

Turner, Archene

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428336, 428701, 428702, B32B 1800

Patent

active

059980036

ABSTRACT:
A thermal barrier coating has several different layers, the first of which is an oxidation barrier. A phonon scattering zone is positioned on top of the oxidation barrier. The phonon scattering zone includes a plurality of phonon scattering interface layers, each of which is formed between a first ceramic material and a second ceramic material. The first and second ceramic materials are each between 1 and 1000 nanometers thick. An optical reflectance zone is positioned on the phonon scattering zone. The optical reflectance zone includes a second stack of ceramic materials with a plurality of optically reflecting interface layers, each of which is formed between a first ceramic material and a second ceramic material. The first and second ceramic materials are each between 0.1 and 1.0 microns thick.

REFERENCES:
patent: 5284658 (1994-02-01), Marshall et al.
patent: 5789071 (1998-08-01), Sproul et al.

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