期刊
ULTRAMICROSCOPY
卷 147, 期 -, 页码 114-132出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ultramic.2014.07.005
关键词
Transformation-induced plasticity (TRIP); Steel; Electron back scattering diffraction (EBSD); Energy dispersive X-ray spectroscopy (EDS); Transmission electron microscopy (TEM); Carbon partitioning; Bainite
类别
资金
- Engineering Materials Institute at VOW
- JEOL [JSM-7001F FEG-SEM, JEM-200F FEG-STEM]
- Australian Research Council (ARC) - Linkage, Infrastructure, Equipment and Facilities (LIEF) [LE0882613, LE120100104]
- Saudi Basic Industries Corporation (SABIC) and Blue Scope Steel Ltd.
Using a combination of electron back-scattering diffraction and energy dispersive X-ray spectroscopy data, a segmentation procedure was developed to comprehensively distinguish austenite, martensite, polygonal ferrite, ferrite in granular bainite and bainitic ferrite laths in a thermo-mechanically processed low-Si, high-Al transformation-induced plasticity steel. The efficacy of the ferrite morphologies segmentation procedure was verified by transmission electron microscopy. The variation in carbon content between the ferrite in granular bainite and bainitic ferrite laths was explained on the basis of carbon partitioning during their growth. (C) 2014 Elsevier B.V. All rights reserved.
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