期刊
MATERIALS & DESIGN
卷 112, 期 -, 页码 107-116出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.matdes.2016.09.057
关键词
TRIP steel; DIC; EBSD; Martensite; SEM; MTEX
资金
- Lloyd's Register Foundation
- Innovate UK and Rolls-Royce plc as part of SILOET Project 6 - Core Technology Validation: Systems [110035]
- EPSRC [EP/K007866/1]
- RCUK Energy programme
- Department of Atomic Energy, Government of India
- EPSRC [EP/H500383/1, EP/K007866/1, EP/M005607/1] Funding Source: UKRI
- Innovate UK [110035] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/M005607/1, EP/K007866/1, EP/H500383/1] Funding Source: researchfish
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. (C) 2016 Elsevier Ltd. All rights reserved.
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