Abstract
Structural transformations of nanopores with cylindrical shapes in gold under conditions of thermoactivation and the influence of acoustic and shock waves are studied by means of molecular dynamics. It is shown that at temperatures above 600 K, dislocation loops are generated on the inner surfaces of pores, creating stacking fault tetrahedrons. Exposing a pore to acoustic waves lowers the initial temperature of its collapse. Exposing a cylindrical nanopore to shock waves in the direction perpendicular to its axis can lead to its division into two separate pores.
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