Anisotropic Mechanical Behaviour of Nickel Base Single Crystal Superalloy CMSX-4 for Prediction of Grain Recrystallization during Homogenization Heat-treatment Following Solidification - Archive ouverte HAL Accéder directement au contenu
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Anisotropic Mechanical Behaviour of Nickel Base Single Crystal Superalloy CMSX-4 for Prediction of Grain Recrystallization during Homogenization Heat-treatment Following Solidification

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Emile Hazemann
  • Fonction : Auteur
  • PersonId : 1196472
Yancheng Zhang
Ming Long
  • Fonction : Auteur
  • PersonId : 1196473
Ngadia Tahane Niane
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  • PersonId : 1196474
Vincent Maguin
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  • PersonId : 1196475
Mylène Leduc
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  • PersonId : 1196476
Virginie Jaquet
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  • PersonId : 1196477
Michel Bellet

Résumé

In the present work, the methodology to identify parameters of an elastic viscoplastic behaviour law is presented. Orthotropic elasticity and Hill48 plastic anisotropy for as-cast CMSX-4 are considered. In order to obtain the corresponding parameters by inverse analysis, an experimental database is built by tensile/relaxation tests at constant temperatures between 800°C and 1200°C on specimens oriented along <001>, <110> and <111> directions at different strain rates. Tests are performed with a resistive heating machine, using infrared thermography and digital image correlation. The obtained mechanical behaviour is very dependent on the orientations of the specimens at all tested temperatures, and especially for the deformation mechanisms. Recrystallization behaviour is also very relevant to the specimens' orientation.
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Dates et versions

hal-03877942 , version 1 (29-11-2022)

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  • HAL Id : hal-03877942 , version 1

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Emile Hazemann, Yancheng Zhang, Karim Inal, Charles-André Gandin, Ming Long, et al.. Anisotropic Mechanical Behaviour of Nickel Base Single Crystal Superalloy CMSX-4 for Prediction of Grain Recrystallization during Homogenization Heat-treatment Following Solidification. 6th International Conference on Advances in Solidification Processes (ICASP6), Jun 2022, Le Bischenberg, France. ⟨hal-03877942⟩
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