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:
Feb. 03, 2015
Filed:
Mar. 13, 2009
Jerome Brossier, Evry-Cergy sur Yerres, FR;
Yannick Cadoret, Suresnes, FR;
Justine Menuey, Chatellerault, FR;
Annie Pasquet, Longjumeau, FR;
Jerome Brossier, Evry-Cergy sur Yerres, FR;
Yannick Cadoret, Suresnes, FR;
Justine Menuey, Chatellerault, FR;
Annie Pasquet, Longjumeau, FR;
SNECMA, Paris, FR;
Abstract
A method for forming a protective coating containing aluminum and zirconium on the surface of a metal part. The part is put into contact with a cement made of aluminum alloy, at a treatment temperature, with an atmosphere containing an active gas which reacts with the cement to form a gaseous aluminum halide, which decomposes in contact with the part depositing metallic aluminum thereon, the active gas containing ZrOClthat decomposes in contact with the part depositing Zr metal thereon, and being formed by vaporizing granules of ZrOClthat are solid at ambient temperature. The part, the cement, and ZrOClgranules are then progressively heated together in a chamber from ambient temperature to the treatment temperature with a plateau at 400° C.±200° C.