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

Publication: Research - peer-reviewConference article – Annual report year: 2012

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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
Publication date2012
Volume715-716
Pages297-302
ISSN0255-5476
DOIs
StatePublished

Conference

Conference4th International Conference on Recrystallization and Grain Growth
CountryUnited Kingdom
CitySheffield
Period04/07/1009/07/10
CitationsWeb of Science® Times Cited: 0

Keywords

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