Journal
SCRIPTA MATERIALIA
Volume 71, Issue -, Pages 29-32Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2013.09.027
Keywords
Transformation-induced plasticity (TRIP) steel; Electron backscattered diffraction (EBSD); Electron probe microanalysis (EPMA); Chemical mapping; Martensitic transformation
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Funding
- Materials innovation institute M2i [MC5.06280a]
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A combination of electron backscattered diffraction and high-sensitivity electron probe microanalysis was used to correlate the changes in microstructural features upon deformation with local chemical composition in transformation-induced plasticity steels. A novel cleaning procedure was developed that allows complete monitoring of transformation and deformation processes in relation to the local crystal structure, microstructure and chemical composition. Here we show direct evidence that local variations in manganese content enable a gradual transformation of the retained austenite grains. (C) 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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