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Ductility and dynamic strain aging in rapidly solidified aluminum alloys

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Abstract

The mechanical properties and the strain-aging response of two rapidly solidified commercial aluminum alloys, Al-Cr-Zr and Al-Fe-V-Si (FVS0812), have been investigated in tension between 300 and 700 K. A ductility trough is observed between 350 and 550 K. It is associated with a dip in the strain-rate sensitivity (SRS). These results are interpreted in terms of dynamic strain aging (DSA), and through a semiquantitative analysis, the migrating species are tentatively identified as being chromium in the Al-Cr-Zr alloy and iron in the Al-Fe-V-Si alloy.

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Authors and Affiliations

  1. Office National d’Etudes et de Recherches Aérospatiales (ONERA), ***

    E. Bouchaud (Engineer) & H. Octor (Engineer)

  2. Centre National de la Recherche Scientifique, Unité Mixte CNRS-ONERA-BP72, 92322, Châtillon Cedex, France

    L. Kubin (Research Director)

Authors
  1. E. Bouchaud
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  2. L. Kubin
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  3. H. Octor
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Bouchaud, E., Kubin, L. & Octor, H. Ductility and dynamic strain aging in rapidly solidified aluminum alloys. Metall Trans A 22, 1021–1028 (1991). https://doi.org/10.1007/BF02661095

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  • DOI: https://doi.org/10.1007/BF02661095

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