Processes for producing superalloys and superalloys obtained by the processes
Number of patents in Portfolio can not be more than 2000
United States of America
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Mar 8, 2022
Grant Date -
Jun 25, 2020
app pub date -
Jan 24, 2019
filing date -
Jan 24, 2019
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Abstract
A method of producing a metal superalloy may include: providing a charge of metal materials; melting the charge of metal materials in an electric-arc furnace to obtain a first melt of the charge of metal materials; performing Argon Oxygen Decarburization (A.O.D.) treatment on the first melt to obtain a decarburized and refined first melt; solidifying the decarburized and refined first melt to obtain first ingots; melting the first ingots in a Vacuum Induction Degassing and Pouring (V.I.D.P.) furnace to obtain a second melt; solidifying the second melt to obtain second ingots; melting the second ingots in a Vacuum Arc Remelting (V.A.R.) furnace to obtain a third melt; and solidifying the third melt to obtain the metal superalloy. The charge of metal materials may have a weight greater than or equal to forty tons and less than or equal to sixty tons.
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