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Grain refinement in steels through thermomechanical processing

Hodgson, Peter, Beladi, Hossein and Barnett, Matthew 2005, Grain refinement in steels through thermomechanical processing, Materials science forum, vol. 500, no. 501, pp. 39-48.

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Title Grain refinement in steels through thermomechanical processing
Author(s) Hodgson, Peter
Beladi, Hossein
Barnett, Matthew
Journal name Materials science forum
Volume number 500
Issue number 501
Start page 39
End page 48
Publisher Trans Tech Publications
Place of publication Aedermannsdorf, Switzerland
Publication date 2005-11
ISSN 0255-5476
Keyword(s) ultrafine grained steel
recrystallization
dynamic strain-induced transformation
Summary The development of ultrafine grained microstructures in steels has received considerable attention in recent times. In many cases the aim is to produce high strength structural steels with minimal alloying. It is well established that for an equiaxed ferrite with a uniform dispersion of second phase, both the strength and toughness will be markedly improved if the grain size can be reduced to 1-2 μm, from the typical range of 5-10 μm. Means of achieving this through dynamic strain induced transformation are examined here, following a brief overview of some of the key issues encountered when attempting to refine the austenite in existing mill configurations. A number of deformation microstructure maps are developed to aid the discussion.
Language eng
Field of Research 091207 Metals and Alloy Materials
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2005, Trans Tech Publications
Persistent URL http://hdl.handle.net/10536/DRO/DU:30003275

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