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Effect of additional elements on the mechanical and microstructural properties of copper polycrystal under dynamic compression

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Abstract

The effect of additional elements (Si and Co) on the behavior of copper polycrystalline alloy under static and dynamic compression was studied. Relations between the deformation microstructure and the mechanical behavior have been investigated. In the Cu–Si alloys, the SFE depends on additional element content and the SFE level controls the dissociation of perfect dislocations into partial ones. In the Cu–Co alloy, Co induces precipitation and the dislocation repartition is uniform if the precipitates are coherent. When the precipitates become semicoherent, there is formation of dislocation walls around the precipitates.

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Authors and Affiliations

  1. DGA/CREA, 16 Bis Avenue Prieur de la Côte d’Or, 94114, Arcueil, France

    P. Ancrenaz & C. Nguy

  2. ISMA, Laboratoire de Métallurgie Structurale, URA CNRS 1107, Université de Paris-Sud, 91405, Orsay Cedex, France

    C. Servant

Authors
  1. P. Ancrenaz
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  2. C. Nguy
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  3. C. Servant
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Ancrenaz, P., Nguy, C. & Servant, C. Effect of additional elements on the mechanical and microstructural properties of copper polycrystal under dynamic compression. Journal of Materials Research 7, 2387–2394 (1992). https://doi.org/10.1557/JMR.1992.2387

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  • DOI: https://doi.org/10.1557/JMR.1992.2387

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