TrueEBSD: Correcting spatial distortions in electron backscatter diffraction maps.
作者： Vivian S. Tong , T. Ben Britton
DOI: 10.1016/J.ULTRAMIC.2020.113130
关键词:
摘要: Abstract Electron backscatter diffraction (EBSD) in the scanning electron microscope is routinely used for microstructural characterisation of polycrystalline materials. Maps EBSD data are typically acquired at high stage tilt and slow scan speed, leading to drift distortions that obscure or distort features final microstructure map. In this paper, we describe TrueEBSD, an automatic postprocessing procedure distortion correction with pixel-scale precision. Intermediate images separate components fit each a physically-informed model. We demonstrate TrueEBSD on three case studies (titanium, zirconium hydride containing Zr), where removal has enabled otherwise inaccessible features.
harvard.edu
sci-hub.st 参考文章(33)
Lewys Jones, Hao Yang, Timothy J. Pennycook, Matthew S. J. Marshall, Sandra Van Aert, Nigel D. Browning, Martin R. Castell, Peter D. Nellist, Smart Align—a new tool for robust non-rigid registration of scanning microscope data Advanced Structural and Chemical Imaging. ,vol. 1, pp. 8- ,(2015) , 10.1186/S40679-015-0008-4
Jun Jiang, T. Ben Britton, Angus J. Wilkinson, The orientation and strain dependence of dislocation structure evolution in monotonically deformed polycrystalline copper International Journal of Plasticity. ,vol. 69, pp. 102- 117 ,(2015) , 10.1016/J.IJPLAS.2015.02.005
G. Nolze, Geometrically caused image distortion effects and their influence on interpretation of EBSD measurements Materials Science and Technology. ,vol. 22, pp. 1343- 1351 ,(2006) , 10.1179/174328406X130894
W. Pantleon, Retrieving orientation correlations in deformation structures from orientation maps Materials Science and Technology. ,vol. 21, pp. 1392- 1396 ,(2005) , 10.1179/174328405X71657
Ioannis Bantounas, David Dye, Trevor C Lindley, The role of microtexture on the faceted fracture morphology in Ti–6Al–4V subjected to high-cycle fatigue Acta Materialia. ,vol. 58, pp. 3908- 3918 ,(2010) , 10.1016/J.ACTAMAT.2010.03.036
Gert Nolze, Image distortions in SEM and their influences on EBSD measurements. Ultramicroscopy. ,vol. 107, pp. 172- 183 ,(2007) , 10.1016/J.ULTRAMIC.2006.07.003
N. Gey, P. Bocher, E. Uta, L. Germain, M. Humbert, Texture and microtexture variations in a near-α titanium forged disk of bimodal microstructure Acta Materialia. ,vol. 60, pp. 2647- 2655 ,(2012) , 10.1016/J.ACTAMAT.2012.01.031
Angus J. Wilkinson, David Randman, Determination of elastic strain fields and geometrically necessary dislocation distributions near nanoindents using electron back scatter diffraction Philosophical Magazine. ,vol. 90, pp. 1159- 1177 ,(2010) , 10.1080/14786430903304145
E. UTA, N. GEY, P. BOCHER, M. HUMBERT, J. GILGERT, Texture heterogeneities in αp/αs titanium forging analysed by EBSD‐Relation to fatigue crack propagation Journal of Microscopy. ,vol. 233, pp. 451- 459 ,(2009) , 10.1111/J.1365-2818.2009.03141.X
André Moreau, Lotfi Toubal, Philippe Bocher, Michel Humbert, Elena Uta, Nathalie Gey, Evaluation of macrozone dimensions by ultrasound and EBSD techniques Materials Characterization. ,vol. 75, pp. 115- 128 ,(2013) , 10.1016/J.MATCHAR.2012.09.011