Journal
MICROSCOPY AND MICROANALYSIS
Volume 12, Issue 1, Pages 72-84Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S1431927606060090
Keywords
electron backscatter diffraction; EBSD; orientation imaging microscopy; OIM; image quality; IQ
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Image quality (IQ) maps constructed from electron backscatter diffraction data provide useful visualizations of microstructure. The contrast in these maps arises from a variety of sources, including phase, strain, topography, and grain boundaries. IQ maps constructed using various IQ metrics are compared to identify the most prominent contrast mechanism for each metric. The conventional IQ metric was found to provide the superior grain boundary and strain contrast, whereas an IQ metric based on the average overall intensity of the diffraction patterns was found to provide better topological and phase contrast.
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