Dislocations, boundaries and slip systems in cube grains of rolled aluminium

Yili Wei, A. Godfrey, W. Liu, Q. Liu, Xiaoxu Huang, Niels Hansen, Grethe Winther

    Research output: Contribution to journalJournal articlepeer-review

    Abstract

    The relationship between the dislocation content of boundaries and the active slip systems is explored by characterisation of Burgers vectors, dislocation lines and relative densities in 11 boundaries in near-cube grains in 10% rolled aluminium. To provide a good basis for comparison, all the boundaries investigated lie in the longitudinal plane. Practically all dislocations have screw character, with Burgers vectors corresponding to the slip systems predicted active. The dislocations arrange in a regular grid and the boundaries are most likely low-energy dislocation structures.
    Original languageEnglish
    JournalScripta Materialia
    Volume65
    Pages (from-to)355-358
    ISSN1359-6462
    DOIs
    Publication statusPublished - 2011

    Keywords

    • Materials characterisation and modelling

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