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In situ observation of strain and phase transformation in plastically deformed 301 austenitic stainless steel
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Karen Perkins ,
Michael E. Fitzpatrick,
Salih Gungor,
Richard J. Moat
Materials & Design, Volume: 112, Pages: 107 - 116
Swansea University Authors:
Thomas Simm , Karen Perkins
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DOI (Published version): 10.1016/j.matdes.2016.09.057
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 mic...
| Published in: | Materials & Design |
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| ISSN: | 0264-1275 |
| Published: |
2016
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| Online Access: |
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa30098 |
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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 the 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. |
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| Keywords: |
TRIP steel, DIC, EBSD, Martensite, SEM, MTEX |
| College: |
Faculty of Science and Engineering |
| Start Page: |
107 |
| End Page: |
116 |