Durable reactive thermal barrier coatings

Details Durable reactive thermal barrier coatings Durable reactive thermal barrier coatings

2006-01-20

2010-02-16

Xu, Ling (Department: 1794)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S472000, C428S469000, C428S697000, C428S699000, C428S702000

Reexamination Certificate

active

07662489

ABSTRACT:
A turbine engine component is provided which has a substrate and a thermal barrier coating applied over the substrate. The thermal barrier coating comprises at least one layer of a first material selected from the group consisting of a zirconate, a hafnate, a titanate, and mixtures thereof, which first material has been mixed with, and contains, from about 25 to 99 wt % of at least one oxide. The at least one oxide comprises at least one oxide of a material selected from the group consisting of lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, indium, and yttrium. If desired, a metallic bond coat may be present between the substrate and the thermal barrier coating system. A method for forming the thermal barrier coating system of the present invention is described.

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Chinese Office Action dated Mar. 27, 2009.

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