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Understanding the deformed microstructure of cold-rolled IF and LC steel

Nave, Mark and Barnett, Matthew 2005, Understanding the deformed microstructure of cold-rolled IF and LC steel, Materials forum, vol. 29, pp. 562-567.

Document type: Journal Article
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Title Understanding the deformed microstructure of cold-rolled IF and LC steel
Author(s) Nave, Mark
Barnett, Matthew
Journal name Materials forum
Volume number 29
Start page 562
End page 567
Publisher Institute of Materials Engineering Australasia
Place of publication North Melbourne, Vic
Publication date 2005
ISSN 1447-6738
Keyword(s) electron backscattered diffraction
EBSD
field emission gun scanning electron microscope
FEG-SEM
cold-rolled IF steel
LC steel
Summary This paper presents an overview of a series of investigations of the microstructure and texture of cold-rolled IF and LC steel. The investigations made extensive use of orientation mapping using electron backscattered diffraction (EBSD) in a field emission gun scanning electron microscope (FEG-SEM). The effect of grain boundaries on the deformed microstructure was examined by comparing the textures of regions near grain boundaries and in the interiors of grains.  A general weakening of the texture, but a strengthening of the {OOI}<110> component, occurs in the vicinity of grain boundaries. Misorientation angle and axis distributions were used to characterise the fragmentation of grains belonging to different orientation classes. The influence of carbon on the deformed microstructure and nucleation during recrystallization was clarified by examining the microstructures of LC and IF steels during rolling and annealing. The
results of the investigations emphasize the important role of shear banding in determining the fragmentation behaviour of ND-fibre grains and the orientations of viable recrystallization nuclei within the deformed microstructure.
Notes Reproduced with the specific permission of the copyright owner.
Language eng
Field of Research 091207 Metals and Alloy Materials
Socio Economic Objective 870302 Metals (e.g. Composites, Coatings, Bonding)
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2005, Institute of Materials Engineering Australasia
Persistent URL http://hdl.handle.net/10536/DRO/DU:30002970
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