High-temperature internal friction and dislocations in ice IhReport as inadecuate

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Abstract : High temperature internal friction measurements at very low frequencies 10-3-1 Hz have been done on single crystals of ice. Experiments were completed by microcreep experiments. These experiments show that it is necessary to take into account the whole network of dislocation. A model is proposed on the assumption that the dislocation glide in the basal plane interacts with the climb of dislocation segments in the non-basal plane. Simulations of both internal friction and microcreep are in agreement with experimental results.

Keywords : creep dislocation climb ice internal friction slip

Author: J. Tatibouet J. Perez R. Vassoille

Source: https://hal.archives-ouvertes.fr/


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