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. 21, 2004
Filed:
Aug. 05, 2002
Applicant:
Inventors:
Sudhangshu Bose, Manchester, CT (US);
Daniel A. Bales, Avon, CT (US);
Mark T. Ucasz, Middletown, CT (US);
Merritt W. Wight, East Hartford, CT (US);
Steven M. Burns, West Hartford, CT (US);
Tyrus E. Royal, Wethersfield, CT (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 1/504 ; F03B 3/12 ;
U.S. Cl.
CPC ...
B32B 1/504 ; F03B 3/12 ;
Abstract
The present invention relates to an overlay coating which has improved strength properties. The overlay coating comprises a deposited layer of MCrAlY material containing discrete nitride particles therein. The nitride particles are present in a volume fraction in the range of 0.1% to 15.0% and have a particle size in the range of from 0.1 microns to 10.0 microns. The coating may also have oxide particles dispersed therein.