2016 | OriginalPaper | Buchkapitel
Threshold Deformation for Exhibiting the Hardening on Annealing Behaviour in AA3103 Alloy
verfasst von : Nagaraj Vinayagam Govindaraj, Bjørn Holmedal
Erschienen in: ICAA13 Pittsburgh
Verlag: Springer International Publishing
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Hardening on annealing is reported to occur not only in nanostructured material but also at strain levels obtained by cold rolling in AA3103 alloy. A threshold deformation limit is proposed for cold rolled AA3103 alloy for exhibiting this behaviour. Tensile tests performed on samples annealed at 225 °C for 10 minutes after cold rolling to strains of 1.5 and above revealed an increase in strength after annealing, whereas the samples annealed after cold rolling to strains up to 1.5 did not exhibit hardening on annealing. EBSD studies are used for microstructural observations and it is discussed if dislocation source limitation after annealing is causing the hardening.