Thermal barrier coating with thermoluminescent indicator...

Details Thermal barrier coating with thermoluminescent indicator... Thermal barrier coating with thermoluminescent indicator...

2005-12-13

2005-12-13

McNeil, Jennifer (Department: 1775)

Stock material or miscellaneous articles

Composite

Of b, n, p, s, or metal-containing material

C428S632000, C428S655000, C428S656000, C428S469000, C374S161000, C250S458100, C250S459100, C250S462100, C250S36100C, C250S382000

Reexamination Certificate

active

06974641

ABSTRACT:
A coating material (20) for coating a machine component (10), especially a gas turbine or a part thereof, comprises a mixture of at least a refractory material and an indicator material having an optical emission (e.g. fluorescence) spectrum which varies in response to a physical parameter of the coated component. In a preferred embodiment, the coating consists of yttrium aluminium garnet (YAG) or yttrium stabilised zirconium. The dopant is preferably a rare earth metal, e.g. Eu, Tb, Dy.

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Patent Abstracts of Japan, Publ. No. 10-246619, Appln. No. 09-047981 (Sep. 1998).

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