Recrystallisation Behaviour of an Fe-Mn-C-Si-Al TWIP

Lieven Bracke; Nieves Cabañas-Poy

doi:10.4028/www.scientific.net/MSF.715-716.649

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HomeMaterials Science ForumMaterials Science Forum Vols. 715-716Recrystallisation Behaviour of an Fe-Mn-C-Si-Al...

Recrystallisation Behaviour of an Fe-Mn-C-Si-Al TWIP

Abstract:

The static recrystallisation behaviour of cold rolled and annealed TWinning Induced Plasticity (TWIP) steels is important for its industrial production. The recrystallisation kinetics have been determined for an Fe-Mn-C-Si-Al TWIP steel using hardness measurements and microstructure analysis: it has been shown that recrystallisation progresses rapidly with increased annealing temperature. Recrystallisation was faster at higher cold reductions, and a smaller final grain size was observed at lower annealing temperatures. This indicates that the mechanism is nucleation dominated at lower temperatures; grain growth at higher temperatures appears similar for all reductions. The recrystallisation results in a crystallographic texture where the main components of the cold rolling texture are preserved in the final texture after annealing, although some randomisation was observed.

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Periodical:

Materials Science Forum (Volumes 715-716)

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649-654

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.715-716.649

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Online since:

April 2012

Authors:

Lieven Bracke, Nieves Cabañas-Poy

Keywords:

Austenite, Grain Size, Recrystallization, TWIP Steel

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