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Monitoring the kinetics of the γ’ phase in the N18 superalloy using in situ electrical resistivity measurements ; Suivi de la cinétique associée à la phase gamma' dans le superalliage N18 en utilisant des mesures de résisitivité électrique in situ

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  • معلومة اضافية
    • Contributors:
      Institut Jean Lamour (IJL); Institut de Chimie - CNRS Chimie (INC-CNRS)-Université de Lorraine (UL)-Centre National de la Recherche Scientifique (CNRS); Science et Ingénierie des Matériaux et Procédés (SIMaP); Institut de Chimie - CNRS Chimie (INC-CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ); Université Grenoble Alpes (UGA); LEM, UMR 104, CNRS-ONERA, Université Paris-Saclay (Laboratoire d'étude des microstructures); ONERA-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS); Centre interuniversitaire de recherche et d'ingenierie des matériaux (CIRIMAT); Université Toulouse III - Paul Sabatier (UT3); Université de Toulouse (UT)-Université de Toulouse (UT)-Institut de Chimie - CNRS Chimie (INC-CNRS)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP); Université de Toulouse (UT); DMAS, ONERA, Université Paris Saclay (COmUE) Châtillon; ONERA-Université Paris Saclay (COmUE)
    • بيانات النشر:
      HAL CCSD
      Elsevier
    • الموضوع:
      2020
    • Collection:
      Université Grenoble Alpes: HAL
    • نبذة مختصرة :
      International audience ; In nickel-based superalloys, temperatures related to the formation or the dissolution of the different types of γ' precipitates are important parameters for optimizing the mechanical properties of components but also for developing models which can reproduce the kinetics of their phase transformation. We showed that the electrical resistivity variations during heat treatment of the N18 superalloy was sufficient to monitor the kinetics related to secondary and tertiary γ' precipitates. In particular, the effects of the heating rate and the initial microstructure on the dissolution kinetics of the γ' phase were investigated. Experimental results were also compared to outputs of a precipitation model developed for the N18 alloy showing that in situ electrical resistivity measurements can be used for calibration and validation purposes.
    • Relation:
      hal-02470234; https://hal.science/hal-02470234; https://hal.science/hal-02470234/document; https://hal.science/hal-02470234/file/DMAS20015.1580908259_postprint.pdf; OATAO: 26623
    • الرقم المعرف:
      10.1016/j.jallcom.2020.154108
    • Rights:
      info:eu-repo/semantics/OpenAccess
    • الرقم المعرف:
      edsbas.979C583A