Process for manufacturing a nickel-based alloy product
AssigneeSafran Aircraft Engines
InventorsMaxime Eric VINCENT, Laurent FERRER
Life of this patent
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Abstract
Method for manufacturing a nickel-based alloy product, including: a step of supplying an ingot of a nickel-based alloy including at least one intermetallic phase, a first forging step of forging the ingot, during which the true strain rate is less than 1 s−1, a second forging step of forging the ingot, during which the true strain rate is greater than 1 s−1, and a step of static recrystallisation, after the second forging step, during which the ingot is exposed to a temperature of between 1000 and 1055° C. for a duration of between 30 minutes and 10 hours.
Claims11
A method for manufacturing a nickel-based alloy product, comprising:
- a step of supplying an ingot of a nickel-based alloy comprising at least one γ′ intermetallic phase combining nickel with aluminium and/or titanium, said at least one γ′ intermetallic phase being present in the alloy of the ingot at a level of 30% to 50% by weight,
- a first forging step of forging the ingot, during which the true strain rate is less than 1 s−1, the first forging step being carried out at a temperature between 1050 and 1150° C.,
- a second forging step of forging the ingot, during which the true strain rate is greater than 1 s−1, and
- a step of static recrystallisation, after the second forging step, during which the ingot is exposed to a temperature of between 1000 and 1055° C. for a duration of between 30 minutes and 10 hours.
Dependencies are inferred from the claim text.