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Article Dans Une Revue Materials Science and Engineering: A Année : 2020

Macro and Micro mechanical in-situ characterization using synchrotron diffraction of Architectured micro-composite Duplex Stainless Steels

Hasan Naser
  • Fonction : Auteur
Marc Mantel
  • Fonction : Auteur
Muriel Véron
  • Fonction : Auteur
Alexis Deschamps

Résumé

The mechanical behavior of micro-composites Duplex Stainless steels (DSS) produced by Accumulative re-Bundling and Drawing (ABD) has been investigated. We evidenced a systematic increase in the yield strength, as a function of the manufacturing step, independently from the phases' volume fraction. A simple rule of mixture (ROM) successfully predicted the first generation of composites presenting a simple microstructure. However, a modified ROM taking into account the contribution of each component and its grain size could not predict the mechanical response of the composites of higher generation. An in-depth analysis is conducted to investigate the microstructure-mechanical behavior relationship and to rationalize the resultant mechanical behavior from that of each constitutive phase. For this purpose, in-situ synchrotron High Energy X-ray Diffraction measurements during uniaxial tensile experiments have been carried out to calculate the strain partitioning within each phase of the composites.
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Dates et versions

hal-02940931 , version 1 (16-09-2020)

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Citer

Hasan Naser, Frédéric de Geuser, Marc Mantel, Muriel Véron, Alexis Deschamps. Macro and Micro mechanical in-situ characterization using synchrotron diffraction of Architectured micro-composite Duplex Stainless Steels. Materials Science and Engineering: A, 2020, 793, pp.139852. ⟨10.1016/j.msea.2020.139852⟩. ⟨hal-02940931⟩
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