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In situ observation of strain and phase transformation in plastically deformed 301 austenitic stainless steel

Das, Yadunandan B.; Forsey, Alexander N.; Simm, Thomas H.; Perkins, Karen M.; Fitzpatrick, Michael E.; Gungor, Salih and Moat, Richard J. (2016). In situ observation of strain and phase transformation in plastically deformed 301 austenitic stainless steel. Materials & Design, 112 pp. 107–116.

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DOI (Digital Object Identifier) Link: https://doi.org/10.1016/j.matdes.2016.09.057
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Abstract

To inform the design of superior transformation-induced plasticity (TRIP) steels, it is important to understand what happens at the microstructural length scales. In this study, strain-induced martensitic transformation is studied by in situ digital image correlation (DIC) in a scanning electron microscope. Digital image correlation at submicron length scales enables mapping of transformation strains with high confidence. These are correlated with electron backscatter diffraction (EBSD) prior to and post deformation process to get a comprehensive understanding of the strain-induced transformation mechanism. The results are compared with mathematical models for enhanced prediction of strain-induced martensitic phase transformation.

Item Type: Journal Item
Copyright Holders: 2016 Elsevier Ltd.
ISSN: 0264-1275
Keywords: TRIP steel; DIC; EBSD; martensite; SEM; MTEX
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Engineering and Innovation
Faculty of Science, Technology, Engineering and Mathematics (STEM)
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Item ID: 47429
Depositing User: Richard Moat
Date Deposited: 23 Sep 2016 09:47
Last Modified: 02 Nov 2017 15:06
URI: http://oro.open.ac.uk/id/eprint/47429
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