The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 30, 2008
Filed:
Dec. 06, 2004
Brett Allen Rohrer Boutwell, Liberty Township, OH (US);
Irene Spitsberg, Loveland, OH (US);
Christine Govern, Cincinnati, OH (US);
Bangalore A. Nagaraj, West Chester, OH (US);
Brian Thomas Hazel, West Chester, OH (US);
Brett Allen Rohrer Boutwell, Liberty Township, OH (US);
Irene Spitsberg, Loveland, OH (US);
Christine Govern, Cincinnati, OH (US);
Bangalore A. Nagaraj, West Chester, OH (US);
Brian Thomas Hazel, West Chester, OH (US);
General Electric Company, Schenectady, NY (US);
Abstract
In accordance with an embodiment of the invention, a thermal barrier coating (TBC) for inclusion in a thermal barrier coating/environmental barrier coating system (TBC/EBC system) for use on a silicon containing material substrate is provided. The TBC comprises a compound having a primary constituent portion and a stabilizer portion stabilizing said primary constituent. The primary constituent portion of the TBC comprises hafnia present in an amount of at least about 5 mol % of the primary constituent. The stabilizer portion of said thermal barrier coating comprises at least one metal oxide comprised of cations with a +2 or +3 valence present in the amount of about 10 to about 40 mol % of the thermal barrier coating.