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The static, dynamic and metadynamic recrystallisation of a medium carbon steel

Zahiri, S. H. and Hodgson, Peter 2004, The static, dynamic and metadynamic recrystallisation of a medium carbon steel, Materials science and technology, vol. 20, no. 4, pp. 458-464.

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Title The static, dynamic and metadynamic recrystallisation of a medium carbon steel
Author(s) Zahiri, S. H.
Hodgson, Peter
Journal name Materials science and technology
Volume number 20
Issue number 4
Start page 458
End page 464
Publisher The Institute
Place of publication London, England
Publication date 2004-04
ISSN 0267-0836
Keyword(s) static
dynamic
metadynamic
steels
recrystallisation
Summary Grain refinement during and after hot isothermal deformation of a medium carbon steel has been investigated. The average austenite grain size decreased with an increase in strain for the hot deformed and recrystallised material, with refinement extending beyond the strain for the peak stress. A window of strain that corresponds to transition from classical static to metadynamic recrystallisation was observed in respect to the recrystallised material. Within this post-dynamic transition window the strain at which strain independent softening occurs was different for different volume fractions of the recrystallised material. This led to a new terminology corresponding to initiation of strain independent softening. For the alloy of this study, strain independent softening for the start of post-deformation recrystallisation occurred near the strain to the peak stress. The strain corresponding to complete metadynamic recrystallisation, which was defined as when all levels of recrystallisation were strain independent, was much greater than the strain for the peak stress.
Notes Reproduced with the specific permission of the copyright owner.
Language eng
Field of Research 091207 Metals and Alloy Materials
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2004, IoM Communications Ltd.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30002829

Document type: Journal Article
Collections: School of Engineering and Technology
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