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Micro-scale strain distribution in hot-worked duplex stainless steel

Hernandez-Castillo, L. E., Beynon, J. H., Pinna, C. and Van Der Zwaag, S. (2005) Micro-scale strain distribution in hot-worked duplex stainless steel. Steel Research International, 76 (2-3). pp. 137-141. ISSN 1611-3683

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A modified microgrid technique has been applied to a laboratory-made duplex stainless steel, to experimentally simulate the local state of deformation of the austenite-ferrite microstructure of low-alloy steels subject to intercritical deformation. A sample containing such a microgrid was deformed by plane strain compression at high temperature under conditions representative of hot rolling processes. The distortion of the microgrid after hot deformation revealed, in a quantifiable manner, the plastic flow of both phases and different deformation features. The micro-strain distributions measured can be used to validate the models predicting the hot deformation of low alloyed C-Mn steels during intercritical rolling.

Item Type: Article
Copyright, Publisher and Additional Information: Copyright (c) 2005 Stahleisen GMBH . This is an author produced version of a paper published in ' Steel Research International`. Uploaded in accordance with the publisher's self-archiving policy.
Keywords: Dual-phase microstructures Hot deformation Intercritical rolling Local strain distribution Microgrid technique Alloying Compression testing Computational methods Deformation Hot working Metallographic microstructure Strain measurement Dual-phse microstructure Duplex stainless steel Local strain Stainless steel
Institution: The University of Sheffield
Academic Units: The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Mechanical Engineering (Sheffield)
Depositing User: Mr Christopher Hardwick
Date Deposited: 10 Nov 2009 16:18
Last Modified: 08 Feb 2013 16:59
Status: Published
Publisher: Stahleisen GMBH
Refereed: Yes
Related URLs:
URI: http://eprints.whiterose.ac.uk/id/eprint/10111

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