The mechanism of metadynamic softening in austenite after complete dynamic recrystallization

Beladi, Hossein, Cizek, Pavel and Hodgson, Peter 2010, The mechanism of metadynamic softening in austenite after complete dynamic recrystallization, Scripta materialia, vol. 62, no. 4, pp. 191-194, doi: 10.1016/j.scriptamat.2009.10.022.

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Title The mechanism of metadynamic softening in austenite after complete dynamic recrystallization
Author(s) Beladi, HosseinORCID iD for Beladi, Hossein orcid.org/0000-0003-0131-707X
Cizek, Pavel
Hodgson, Peter
Journal name Scripta materialia
Volume number 62
Issue number 4
Start page 191
End page 194
Total pages 4
Publisher Pergamon
Place of publication Kidlington, England
Publication date 2010-02
ISSN 1359-6462
1872-8456
Keyword(s) Post-dynamic softening
Texture
Dislocations
Hot deformation
Metadynamic recrystallization
Summary A novel mechanism of post-dynamic softening during annealing of a fully dynamically recrystallized (DRX) austenitic Ni–30Fe alloy is proposed. The initial softening stage involves rapid growth of the dynamically formed nuclei and migration of the mobile boundaries. The sub-boundaries within DRX grains progressively disintegrate through dislocation climb and dislocation annihilation, which ultimately leads to the formation of dislocation-free grains, and the grain boundary migration gradually becomes slower. As a result, the DRX texture largely remains preserved throughout the annealing process.
Language eng
DOI 10.1016/j.scriptamat.2009.10.022
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
Copyright notice ©2010, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30025552

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