Orientation dependence of the deformation microstructure in compressed aluminum

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    The orientation dependence of the deformation microstructure has been investigated in aluminum compressed to 20% reduction. The dislocation boundaries formed can be classified, as for tension, into one of three types: dislocation cells (Type 2), and extended planar boundaries near (Type 1) or not near (Type 3) a {1 1 1} trace. The Type 3 boundaries, however, show some clear differences to those seen in tension, suggesting differences in the dislocation interactions leading to boundary formation between tension and compression.
    Original languageEnglish
    JournalScripta Materialia
    Issue number6
    Pages (from-to)359-362
    Publication statusPublished - 2012


    • Transmission electron microscopy (TEM)
    • Aluminum
    • Dislocation boundaries
    • Deformation structure

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