Microstructure and texture evolution during cold rolling and annealing of a high Mn TWIP steel

The microstructure during cold rolling and annealing of a low-stacking fault energy austenitic Fe–Mn–C alloy was studied by means of electron microscopy. The contribution of both slip and microtwinning to the development of a brass-type cold-rolling texture was illustrated. During subsequent recryst...

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Bibliographic Details
Published in:Acta materialia 2009-03, Vol.57 (5), p.1512-1524
Main Authors: Bracke, L., Verbeken, K., Kestens, L., Penning, J.
Format: Article
Language:English
Subjects:
Austenitic steels
Deformation texture
Electron backscatter diffraction
Recrystallization texture
Transmission electron microscopy
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Summary:The microstructure during cold rolling and annealing of a low-stacking fault energy austenitic Fe–Mn–C alloy was studied by means of electron microscopy. The contribution of both slip and microtwinning to the development of a brass-type cold-rolling texture was illustrated. During subsequent recrystallization annealing, a retained rolling texture was observed. It was shown that the mechanism behind this phenomenon was based on the nucleation and growth of the recrystallized state without preferred orientation in an energetically relatively homogeneous microstructure.
ISSN:1359-6454
1873-2453
DOI:10.1016/j.actamat.2008.11.036