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:
Jun. 23, 1981
Filed:
Oct. 15, 1979
Applicant:
Inventors:
Charles C McComas, Stuart, FL (US);
James W Morris, Jupiter, FL (US);
Larry S Sokol, West Palm Beach, FL (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427 34 ; 427423 ;
Abstract
A method of applying a wear resisting MCrAlY coating is comprised of plasma spraying a mixture of MCrAlY and Cr.sub.3 C.sub.2 powders to form a coating having both fine carbides and coarser Cr.sub.3 C.sub.2 carbides in an MCrAlY matrix. Heat treatment at 1080.degree. C. after coating bonds the substrate and coating and forms further fine carbides. The coating desirably consists of by weight percent 18-80 Cr, 1.2-29 Al, up to 4.8 Y, 0.6-11 C, balance selected from the group consisting of Ni, Co, Fe, or mixtures thereof.