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Anales (Asociación Física Argentina)
Print version ISSN 0327-358XOn-line version ISSN 1850-1168
Abstract
STOLER, D. et al. Determination of the superficial self-diffusion coefficient in IH-ice. An. AFA [online]. 2019, vol.30, n.1, pp.06-09. ISSN 0327-358X.
In this work the evolution of the groove in a bicrystalline ice sample was studied. The groove is formed by the intersection of the grain boundary (BG) with the free surface. The ice sample studied had arbitrary misorientation angle and was immersed in ultra pure silicone oil at -5oC in order to avoid evaporation processes. Photographs of the groove was taken every 17 minutes for 100 hours with an optical microscope and the evolution of the groove was determined with these images. The coefficient of superficial self-diffusion of ice at -5 oC has been measured.
Keywords : grain boundary; diffusion; ice.