Early Stages of Recrystallization in ECAP-Deformed AA1050 Alloy Investigated by SEM Orientation Mapping

Jagoda Poplewska; Henryk Paul; Katarzyna Berent

doi:10.4028/www.scientific.net/MSF.753.267

Paper Titles

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Microstructural Evolution of AA6082 with Small Aluminides under Hot Torsion and Friction Stir Processing
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Early Stages of Recrystallization in ECAP-Deformed AA1050 Alloy Investigated by SEM Orientation Mapping
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Recrystallization of Cold-Rolled Zr Single Crystals
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HomeMaterials Science ForumMaterials Science Forum Vol. 753Early Stages of Recrystallization in ECAP-Deformed...

Early Stages of Recrystallization in ECAP-Deformed AA1050 Alloy Investigated by SEM Orientation Mapping

Abstract:

Early stages of recrystallization were observed for the technical purity aluminium alloy (AA1050). The samples were severely deformed by equal channel angular pressing and then annealed to obtain the state of partial recrystallization. The nucleation of new grains and the changes in ‘density’ of low- and high- angle boundaries were analysed using scanning electron microscopy equipped with high resolution EBSD system. After deformation in six passes along route A the alloy contained a structure of flat grains. On annealing, the structure coarsened and got transformed into nearly equiaxed grains by both discontinuous and continuous recrystallization. A particular role in the rise of nuclei and the structure spheroidization is attributed to migration of low-angle boundaries.

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Periodical:

Materials Science Forum (Volume 753)

Pages:

267-270

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.753.267

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Online since:

March 2013

Authors:

Jagoda Poplewska, Henryk Paul, Katarzyna Berent

Keywords:

AA1050 Alloy, ECAP, Nucleation, Orientation Mapping, Recrystallization, Second Phase Particles

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