Effect of transformation mechanism (static or dynamic) on final ferrite grain size

Shokouhi, A. and Hodgson, P.D 2009, Effect of transformation mechanism (static or dynamic) on final ferrite grain size, Materials science and technology, vol. 25, no. 1, pp. 29-34, doi: 10.1179/174328408X259061.

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Title Effect of transformation mechanism (static or dynamic) on final ferrite grain size
Author(s) Shokouhi, A.
Hodgson, P.D
Journal name Materials science and technology
Volume number 25
Issue number 1
Start page 29
End page 34
Total pages 6
Publisher Maney
Place of publication Leeds, United Kingdom
Publication date 2009
ISSN 0267-0836
Keyword(s) strain induced transformation
thermomechanical processing
grain refinement
ultrafine ferrite
Summary A simple series of test was developed to highlight and compare the difference between the static strain induced transformation (SSIT) and the dynamic strain induced transformation (DSIT) mechanism in grain refinement and also to investigate the origin of the difference between the two mechanisms. The results showed that while the SSIT sets up a two-dimensional impingement among the ferrite grains, it cannot avoid their coarsening (normal growth). However, the DSIT forms a group of grains with a three-dimensional impingement which does not coarsen and maintains their fine size throughout the transformation, thereby, reduces the final average grain size.
Language eng
DOI 10.1179/174328408X259061
Field of Research 091207 Metals and Alloy Materials
Socio Economic Objective 861206 Structural Metal Products
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
HERDC collection year 2009
Copyright notice ©2009, Institute of Materials, Minerals and Mining
Persistent URL http://hdl.handle.net/10536/DRO/DU:30026207

Document type: Journal Article
Collections: Centre for Material and Fibre Innovation
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