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Articles | Volume 8, issue 5
Articles | Volume 8, issue 5
https://doi.org/10.5194/se-8-943-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/se-8-943-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 8, issue 5
Research article
 | 
18 Sep 2017
Research article |  | 18 Sep 2017

Strain field evolution at the ductile-to-brittle transition: a case study on ice

Thomas Chauve, Maurine Montagnat, Cedric Lachaud, David Georges, and Pierre Vacher

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Cited articles

Antolovich, S. D. and Armstrong, R. W.: Plastic strain localization in metals: origins and consequences, Prog. Mater. Sci, 59, 1–160, https://doi.org/10.1016/j.pmatsci.2013.06.001, 2014.
Argon, A.: Mechanics and physics of brittle to ductile transitions in fracture, J. Eng. Mater.-T. ASME, 123, 1–11, 2001.
Batto, R. A. and Schulson, E. M.: On the ductile-to-brittle transition in ice under compression, Acta Metall. Mater., 41, 2219–2225, https://doi.org/10.1016/0956-7151(93)90391-5, 1993.
Bons, P. D., Jansen, D., Mundel, F., Bauer, C. C., Binder, T., Eisen, O., Jessell, M. W., Llorens, M.-G., Steinbach, F., Steinhage, D., and Weikusat, I.: Converging flow and anisotropy cause large-scale folding in Greenland's ice sheet, Nat. Commun., 7, 1–6, https://doi.org/10.1038/ncomms11427, 2016.
Chauve, T., Montagnat, M., and Vacher, P.: Strain field evolution during dynamic recrystallization nucleation; A case study on ice, Acta Mater., 101, 116–124, https://doi.org/10.1016/j.actamat.2015.08.033, 2015.
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Short summary
For the first time, digital image correlation was used to follow strain field development and evolution during micro-cracking, at the ductile-to-brittle transition in polycrystalline ice. Owing to the high-temperature conditions of the tests, dynamic recrystallization mechanisms (nucleation and sub-grain rotation) efficiently participate in the stress redistribution during and after crack opening, and even lead to local crack closure.
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