Thermal barrier coating systems and materials

Details Thermal barrier coating systems and materials Thermal barrier coating systems and materials

2005-08-02

2005-08-02

Turner, Archene (Department: 1775)

Stock material or miscellaneous articles

Composite

Of metal

C416S24100B, C428S457000, C428S469000, C428S697000, C428S699000, C428S701000, C428S702000, C428S304400, C428S312200, C428S312800

Reexamination Certificate

active

06924040

ABSTRACT:
A ceramic material has particular utility as a thermal insulating or thermal barrier coating on metallic substrates. The ceramic material includes gadolinia and hafnia, preferably forming gadolinia-hafnia. This material exhibits chemical stability, thermal stability and thermal insulating properties superior to those of currently used thermal barrier ceramics, and also provides resistance to sintering and erosion comparable to currently used ceramics. A preferred material has between about 3-70 mol. % hafnia, balance hafnia.

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