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. 10, 2000
Filed:
Aug. 14, 1998
Applicant:
Inventors:
Steven J Vance, Orlando, FL (US);
John G Goedjen, Oviedo, FL (US);
Stephen M Sabol, Orlando, FL (US);
Kelly M Sloan, Longwood, FL (US);
Assignee:
Siemens Westinghouse Power Corporation, Orlando, FL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; C23C / ; C23C / ; C23C / ;
U.S. Cl.
CPC ...
428469 ; 428472 ; 428698 ; 428701 ; 148206 ; 148218 ; 148230 ; 148238 ;
Abstract
The present invention generally describes methods for modifying MCrAlY coatings by using gaseous carburization, gaseous nitriding or gaseous carbonitriding. The modified MCrAlY coatings are useful in thermal barrier coating systems, which may be used in gas turbine engines.