Ceramic thermal barrier coating with alumina interlayer

Details Ceramic thermal barrier coating with alumina interlayer Ceramic thermal barrier coating with alumina interlayer

1988-11-03

1989-11-14

Roy, Upendra

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

4272481, 427250, 428633, C23C 1100, C23C 1300

Patent

active

048806145

ABSTRACT:
A ceramic thermal barrier coating system for superalloy components subjected to high operating temperatures, such as gas turbine engine airfoils, is disclosed which includes a high purity alumina interfacial layer between the metallic substrate and the ceramic overcoat in order to better resist failure by spalling.

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