Physical Sciences and Mathematics Commons^™

Effects Of Impurities And Their Redistribution During Recrystallization Of Ice Crystals, D. Iliescu, I. Baker

Dartmouth Scholarship

In order to examine the effects of solutes on recrystallization and subsequent grain growth in ice, both doped and undoped ice single crystals were extruded through a 120^o equal-channel angular extrusion jig, in order to impart a large shear strain (~1.15). Upon subsequent annealing at –3^o C, the original single crystals recrystallized, in most cases to a new single crystal with a different orientation. Increasing the solute concentration (for H₂SO₄ to ~200–300ppb, and for NaCl, KCl and MgSO₄ to >5ppm) was found to significantly retard the growth and possibly, for H₂SO_{4 …}