Nucleation of Recrystallization in Fine Grained AA3104 Alloy Analyzed by SEM and TEM Orientation Mappings

Henryk Paul; Adam Morawiec; François Brisset; Thierry Baudin

doi:10.4028/www.scientific.net/MSF.702-703.324

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HomeMaterials Science ForumMaterials Science Forum Vols. 702-703Nucleation of Recrystallization in Fine Grained...

Nucleation of Recrystallization in Fine Grained AA3104 Alloy Analyzed by SEM and TEM Orientation Mappings

Abstract:

This paper describes nucleation and grain coarsening at very early stages of recrystallization in AA3104 aluminum alloy containing complex structure of second phase particles. Measurements of individual sub-cell orientations in ECAP-processed and slightly annealed structures were possible by using TEM-based orientation mapping in combination with recrystallization carried out in the microscope. The results were compared with those obtained by SEM/EBSD system. The investigation shows that the 40^o<111>-type relation occurs rarely, and the rotation axes of misorientations between deformed and recrystallized areas were strongly scattered. Grouping of the misorientation axes near the <012>, <221>, <112> and <110> crystallographic directions was noticeable.

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Materials Science Forum (Volumes 702-703)

Pages:

324-327

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.702-703.324

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Online since:

December 2011

Authors:

Henryk Paul, Adam Morawiec, François Brisset, Thierry Baudin

Keywords:

AA3104 Aluminum Alloy, Electron Microscopy, Equal-Channel Angular Pressing (ECAP), Orientation Mapping, Texture

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