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Anales (Asociación Física Argentina)
Print version ISSN 0327-358XOn-line version ISSN 1850-1168
Abstract
STOLER, D.; LADO, M.; AGUIRRE VARELA, G and DI PRINZIO, C. L.. Flattening of a scratch on ice pure surface. An. AFA [online]. 2019, vol.30, n.2, pp.31-35. ISSN 0327-358X.
In this work the evolution of the width of a line (groove) traced on the surface of a sample of bi-crystalline ice, by means of a metallic sheet, in a direction almost orthogonal to the grain edge (BG) was studied. To perform the measurements, the sample of ice submerged in ultrapure silicone oil was maintained at -5 oC to prevent evaporation from occurring and isolate the effect of surface diffusion in this way. Photographs of the groove were periodically taken, approximately for 100 hours, using a camera coupled to an optical microscope. From these images the evolution of the line width was studied. Finally, the ice self-diffusion coefficient was determined at -5 oC.
Keywords : surface; diffusion; ice.