Texture and substructure development during dynamic recrystallization in Ni-30Fe austenite

Beladi, H., Cizek, P. and Hodgson, P.D. 2010, Texture and substructure development during dynamic recrystallization in Ni-30Fe austenite, Materials science forum, vol. 638-642, pp. 2835-2840, doi: 10.4028/www.scientific.net/MSF.638-642.2835.

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Title Texture and substructure development during dynamic recrystallization in Ni-30Fe austenite
Author(s) Beladi, H.ORCID iD for Beladi, H. orcid.org/0000-0003-0131-707X
Cizek, P.
Hodgson, P.D.
Journal name Materials science forum
Volume number 638-642
Start page 2835
End page 2840
Total pages 6
Publisher Trans Tech
Place of publication Stafa-Zurich, Switzerland
Publication date 2010-01
ISSN 0255-5476
Keyword(s) texture
dynamic recrystallization
Ni-30Fe
substructure
EBSD
hot torsion
Summary An austenitic Ni-30%Fe model alloy was employed to investigate the texture and substructure development within the deformed matrix and dynamically recrystallized (DRX) grains during hot torsion deformation. Both the deformed matrix and DRX grains predominantly displayed the crystallographic texture components expected for simple shear deformation. The characteristics of the deformed matrix texture evolution during deformation largely resulted from the preferred consumption of high Taylor factor components by new recrystallized grains. Likewise, the comparatively weaker crystallographic texture of DRX grains became increasingly dominated by low Taylor factor components as a result of their easier nucleation and lower consumption rate during DRX. There was a significant difference in the substructure formation mechanism between the deformed matrix and DRX grains for a given texture component. The deformed matrix substructure was largely characterized by “organized”, banded subgrain arrangements with alternating misorientations, while the substructure of DRX grains was more “random” in character and displayed complex, more equiaxed subgrain/cell arrangements characterized by a local accumulation of misorientations. Substructure characteristics of individual orientation components were principally consistent with the corresponding Taylor factor values.
Language eng
DOI 10.4028/www.scientific.net/MSF.638-642.2835
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 2010
Copyright notice ©2010, Trans Tech
Persistent URL http://hdl.handle.net/10536/DRO/DU:30025549

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