Analytical calculation of parameters of thermally activated dislocation motion through a random array of point obstacles

Abstract

A method is proposed which enables the calculation of the velocity of the thermally activated dislocation motion through a random array of similar‐type point obstacles, based entirely on analytical relations, without recourse to computer simulation. The method enables also the calculation of the probability densities of attack angles and dislocation segment lengths which describe the probability‐geometric characteristics of a dislocation in the physical system.