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Dislocation motion around loaded notches in ice single crystals
Published online by Cambridge University Press: 10 February 2011
Abstract
Synchrotron X-ray topography has been used to study dislocation behavior around a notch in single crystal ice during in-situ deformation at a constant strain-rate of 1 × 10−8s−1 and a temperature of -8 °C. During deformation a dislocation depleted zone (DDZ) formed above the notch. Modeling the interaction between basal plane dislocation loops and the notch stress field suggested that this DDZ arose from dislocations gliding completely through the specimen.
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- Copyright © Materials Research Society 2000