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Communication Dans Un Congrès Année : 2012

Investigation of heat treatment parameters effect on the microstructure and on the mechanical properties of a powder metallurgy nickel-base superalloy

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Alice Dumont
  • Fonction : Auteur
  • PersonId : 766880
  • IdRef : 177111593
Loic Nazé
Alain Köster
Luc Rémy
  • Fonction : Auteur

Résumé

The relationships between heat treatment parameters and microstructure, and between microstructure and mechanical properties were investigated in the SMO43 disc P/M superalloy. Various heat treatments were applied to this superalloy to determine the effect of the solution temperature on the grain size, and of the cooling path and aging temperature on the ' precipitates distribution. Microstructural features were characterised through the careful study of ' precipitation. Fatigue crack growth tests with dwell time were performed at high temperature for comparison of the mechanical properties of some selected microstructures.
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Dates et versions

hal-00732325 , version 1 (06-08-2013)

Identifiants

  • HAL Id : hal-00732325 , version 1

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Alice Dumont, Loic Nazé, Alain Köster, Luc Rémy, Jean Yves Guedou, et al.. Investigation of heat treatment parameters effect on the microstructure and on the mechanical properties of a powder metallurgy nickel-base superalloy. 21st international conference on metallurgy and materials, May 2012, Brno, Czech Republic. 6 p. ⟨hal-00732325⟩
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