Mischmetal oxide TBC

Details Mischmetal oxide TBC Mischmetal oxide TBC

2007-06-12

2007-06-12

McNeil, Jennifer (Department: 1775)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S688000, C428S689000, C428S699000, C428S702000, C428S697000, C416S24100B, C416S24100B

Reexamination Certificate

active

11465288

ABSTRACT:
The present invention is a turbine engine component comprising a superalloy substrate, a bond coat overlying the substrate having a thickness in the range of about 0.0005 inch to about 0.005 inch, a thin alumina scale overlying the bond coat, and a thermal barrier coating (TBC) overlying the thin alumina scale, the TBC having a thickness in the range of about 0.0025 inch to about 0.010 inch, and comprising at least mischmetal oxide.

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