Author(s): Jean-Paul Nadreau; Bernard Michel
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Abstract: Uniaxial compressive creep tests were performed on fresh water and saline lab-grown ice. The grain size was kept around 3 mm in diameter; the loads varied from 0.2 MPa up to 2.1 MPa and the temperature was set at -3°C, -10°C or -20°C. Regression analysis was done to determine the parameters in Glen's equation for minimum strain rates. Grain size evolution was followed as a function of the total deformation of the sample. Granulation was identified as a mechanism of recrystallization relevant to the type of stress and strain involved in this experiment.
Year: 1984