Deformation and recrystallization textures in commercially pure aluminum

Niels Hansen, Dorte Juul Jensen

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    The deformation and recrystallization textures of commercially pure aluminum (99.6 pct) containing large intermetallic particles (FeAl3) are measured by neutron diffraction, and the orientation distribution functions (ODF’s) are calculated. Sample parameters are the initial grain size (50 and 350 μm) and the degree of deformation (15 to 95 pct reduction in thickness by cold-rolling). The textural results are compared with microstructural observations and good correlations are found. The intermetallic particles may act as nucleation sites giving nuclei with a wide spread of orientations. Thereby the particles can have a randomizing effect on the textural development during recrystallization. In specimens deformed at medium degrees of deformation the randomizing effect of particles is maximum. At lower and higher degrees of deformation the effect of particles is less as other nucleation sites become more effective. In general, the randomizing effect of particles is limited due to a low growth rate of nuclei of random orientation compared with nuclei of other orientations.
    Original languageEnglish
    JournalMetallurgical Transactions A
    Issue number2
    Pages (from-to)253-259
    Publication statusPublished - 1986


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