US Patent Application 20090324989 - MULTILAYER THERMAL BARRIER COATING
InventorsUS Classes428/613, Porous (e.g., foamed, spongy, cracked, etc.)428/660, Refractory (Group IVB, VB, or VIB) metal-base component428/621, With additional, spatially distinct nonmetal component428/640, Oxide of transition metal or Al427/453, Metal oxide containing coating427/248.1, COATING BY VAPOR, GAS, OR SMOKE427/419.2, Oxide-containing coating204/192.15, Specified deposition material or use427/454, Superposed diverse or multilayer similar coatings applied427/576Metal, metal alloy, or metal oxide coatingAttorney, Agent or FirmForeign Documents
International ClassesB32B 5/18B32B 15/00 B32B 15/04 C23C 4/10 C23C 16/00 B05D 1/36 C23C 14/34 C23C 16/513 Abstract textComponents (1) have a thermal barrier coating (2-6) on the surface thereof, wherein the thermal barrier coating includes at least one layer (3) having chemically stabilized zirconia, and wherein at least indirectly adjacent to the layer (3) with chemically stabilized zirconia and on its surface facing side, there is provided a protective layer (4) and/or a infiltration zone (5) which does not react with environmental contaminant compositions that contain oxides of calcium and which does not react with the material of the layer (3) having chemically stabilized zirconia. Methods for making such components as well as to uses of specific systems for coating thermal barrier coatings, can prevent CMAS. |
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