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. 25, 2001
Filed:
Sep. 11, 2000
Applicant:
Inventors:
Serge Alperine, Paris, FR;
Véronique Arnault, Paris, FR;
Odile Lavigne, Paris, FR;
Rémy Mevrel, Le Plessis Robinson, FR;
Assignee:
SNECMA Moteurs, Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 9/00 ; B05D 1/36 ; B05D 7/00 ;
U.S. Cl.
CPC ...
B32B 9/00 ; B05D 1/36 ; B05D 7/00 ;
Abstract
A low thermal conductivity heat barrier composition, particularly for a superalloy article, is disclosed comprising a zirconia base and a dysprosium oxide having the dual function of stabilizing the zirconia and reducing the thermal conductivity thereof. Optionally, the composition also comprises a metal oxide containing a quadrivalent metallic ion selected from the group consisting of hafnium dioxide, cerium dioxide, uranium dioxide, and mixtures thereof.