Extremal Overall Elastic Response of Polycrystalline Materials

Martin P Bendsøe, Robert Lipton

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    Polycrystalline materials comprised of grains obtained from a single anisotropic material are considered in the framework of linear elasticity. No assumptions on the symmetry of the polycrystal are made. We subject the material to independent external strain and stress fields with prescribed mean values. We show that the extremal overall elastic response is always achieved by a configuration consisting of a single properly oriented crystal. This result is compared to results for isotropic polycrystals. (C) 1997 Elsevier Science Ltd.
    Original languageEnglish
    JournalJournal of the Mechanics and Physics of Solids
    Volume45
    Issue number11-12
    Pages (from-to)1765-1780
    ISSN0022-5096
    DOIs
    Publication statusPublished - 1997

    Keywords

    • microstructures
    • anisotropic material
    • polycrystalline material
    • variational calculus

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