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Influence of the dislocation density on hardening precipitation in Inconel© 625

Abstract : Inconel© 625 is a Nickel-base superalloy used in aerospace industry as turbine shrouds, spray bars, hydraulic tubing, armoring and thrust reversers systems [1]. One reason of its use is its high mechanical properties at high temperature. Inconel© 625 is strengthened by precipitation of γ″ phase, tetragonal Ni 3 Nb [1]. Since dislocations can influence precipitation [2], the precipitation of γ″ in Inconel© 625 was studied in samples submitted to cold straining to induce different dislocation contents before precipitation heat treatment.
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Submitted on : Thursday, October 26, 2017 - 4:12:48 PM
Last modification on : Wednesday, March 17, 2021 - 5:20:03 PM
Long-term archiving on: : Saturday, January 27, 2018 - 2:30:28 PM

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  • HAL Id : hal-01624670, version 1

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Anthony Seret, Charbel Moussa, Marc Bernacki, Jonathan Cormier, Nathalie Bozzolo. Influence of the dislocation density on hardening precipitation in Inconel© 625. Journées annuelles SF2M, SF2M (Société Française de Métallurgie et des Matériaux), Oct 2017, Lyon, France. ⟨hal-01624670⟩

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