Electrolyte for electrochemical machining of gamma-gamma prime nickel-based superalloys

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United States of America Patent

PATENT NO 11548085
SERIAL NO

17290936

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Abstract

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An electrolyte for electrochemical machining of a γ-γ′ nickel-based superalloy includes NaNO3 at a content of between 10 and 50% by weight relative to the total weight of the electrolyte; an additive chosen from KBr, NaBr, KI, NaI and mixtures thereof, in an additive/NaNO3 molar ratio of between 1 and 15; optionally an ethylenediaminetetraacetic acid-based complexing agent at a content of between 1 and 5% by weight relative to the total weight of the electrolyte at a pH of between 6 and 12; optionally an anionic surfactant at a content of between 1 and 5% by weight relative to the total weight of the electrolyte; optionally NaOH to obtain the appropriate pH; and an aqueous solvent.

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Patent Owner(s)

Patent OwnerAddress
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE75016 PARIS
UNIVERSITE DE LORRAINE54052 NANCY
SAFRAN AIRCRAFT ENGINES75015 PARIS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Boulanger, Clotilde Coin les Cuvry, FR 5 8
Lecomte, Janvier Moissy-Cramayel, FR 6 7
Msakni, Malouche Mariem Moissy-Cramayel, FR 2 0
Rancic, Mickael Moissy-Cramayel, FR 6 5
Stein, Nicolas Metz, FR 3 0

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