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:
Dec. 15, 2015
Filed:
Nov. 30, 2009
Glen Harold Kirby, Cincinnati, OH (US);
Brett Allen Boutwell, Cincinnati, OH (US);
Glen Harold Kirby, Cincinnati, OH (US);
Brett Allen Boutwell, Cincinnati, OH (US);
General Electric Company, Schenectady, NY (US);
Abstract
Environmental barrier coatings for high temperature ceramic components. The barrier coatings include a bond coat layer containing silicon, an optional silica layer, at least one transition layer containing about 85% to about 100% by volume of a primary transition material comprising mullite, BSAS, or a mullite/BSAS mixture; an outer layer containing about 85% to about 100% by volume of a primary outer material comprising BSAS; and at least one of a sintering aid and a secondary material in the transition layer and/or outer layer. The secondary material is a reaction product of the sintering aid and at least one of the primary transition material and the primary outer material.