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:
Aug. 01, 2023
Filed:
Dec. 17, 2019
Safran Aircraft Engines, Paris, FR;
Universite DE Lorraine, Nancy, FR;
Centre National DE LA Recherche Scientifique, Paris, FR;
Mariem Msakni Malouche, Moissy-Cramayel, FR;
Janvier Lecomte, Moissy-Cramayel, FR;
Mickael Rancic, Moissy-Cramayel, FR;
Nicolas Stein, Metz, FR;
Clotilde Boulanger, Coin les Cuvry, FR;
SAFRAN AIRCRAFT ENGINES, Paris, FR;
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, Paris, FR;
UNIVERSITE DE LORRAINE, Nancy, FR;
Abstract
An electrolyte for the electrochemical machining of a γ-γ″ nickel-based superalloy, includes NaNO3 in a content of between 10% and 30% by weight relative to the total weight of the electrolyte; a complexing agent selected from sulfosalicylic acid at a pH of between 3 and 10 and nitrilotriacetic acid at a pH of between 7 and 14, the complexing agent being present in a content of between 1% and 5% by weight relative to the total weight of the electrolyte; optionally, an anionic surfactant in a content of between 1% and 5% by weight relative to the total weight of the electrolyte; optionally, NaOH in order to obtain the desired pH; and an aqueous solvent.