INTERACTION OF CLEAVAGE CRACKS WITH SLIPBANDS IN ALKALI-HALIDE CRYSTALS
Journal: GISAP: Physics, Mathematics and Chemistry (Vol.1, No. 2)Publication Date: 2014-04-01
Authors : Leonid Kariev; Viktor Fedorov; Viktor Novikov;
Page : 16-17
Keywords : slipband; cleavage crack; spreading rate; edge dislocation; doped and point effects; concentrations;
Abstract
Authors have shown that when the cleavage crack crosses the border of the artificially introduced and aged slipband at {110}, the spreading rate of the crack in LiF crystals changes in comparison with the same value at crossing the fresh slipband. The cleaved surface relief in the first and the second cases is also different. Reasons of the change of speed of the crack and differences in the cleaved surface relief are determined.
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Last modified: 2014-08-26 16:04:25