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:
Oct. 25, 2022
Filed:
Dec. 21, 2018
Applicant:
General Electric Company, Schenectady, NY (US);
Inventors:
Krishan Lal Luthra, Schenectady, NY (US);
Julin Wan, Rexford, NY (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 41/89 (2006.01); C04B 41/00 (2006.01); C04B 41/50 (2006.01); C04B 41/52 (2006.01); C04B 41/87 (2006.01);
U.S. Cl.
CPC ...
C04B 41/89 (2013.01); C04B 41/009 (2013.01); C04B 41/5031 (2013.01); C04B 41/52 (2013.01); C04B 41/87 (2013.01); F05D 2300/6033 (2013.01);
Abstract
A coated component, along with methods of its formation and use, is provided. The coated component includes a ceramic matrix composite (CMC) substrate comprising silicon carbide and having a mullite bondcoat on its surface. The mullite bondcoat includes an oxygen getter phase contained within a mullite phase. For example, the mullite bondcoat may include 60% to 98% by volume of the mullite phase. An environmental barrier coating is on the mullite bondcoat.