The influence of strain on annealing behaviour of heavily rolled aluminium AA1050

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    Abstract

    Deformation structures and annealing behaviour have been analysed in the centre layer of two AA1050 samples cold-rolled to von Mises strains of 3.6 and 6.4. During annealing at 270-300°C structural coarsening and discontinuous recrystallization occurred in both samples. In the coarsened microstructure, the fraction of high angle boundaries was slightly lower than that in the as-rolled conditions. Recrystallization textures of both samples contained significant fractions of the rolling texture components. The fraction of the retained rolling texture was however greater in the strain-6.4 sample. The {001}<310> and {110}<566> components were also pronounced in this sample. The size of recrystallized grains having orientations of the rolling texture was considerably smaller than the size of grains having other crystallographic orientations. This may be attributed to orientation pinning that hinders growth of grains with orientations of the rolling texture.
    Original languageEnglish
    JournalMaterials Science Forum
    Volume715-716
    Pages (from-to)297-302
    ISSN0255-5476
    DOIs
    Publication statusPublished - 2012
    Event4th International Conference on Recrystallization and Grain Growth - Sheffield, United Kingdom
    Duration: 4 Jul 20109 Jul 2010

    Conference

    Conference4th International Conference on Recrystallization and Grain Growth
    Country/TerritoryUnited Kingdom
    CitySheffield
    Period04/07/201009/07/2010

    Keywords

    • Aluminium
    • Severe plastic deformation
    • Rolling
    • Coarsening
    • Recrystallisation texture

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