Open AccessРазмеры скачков и уровни деформации металлов
Author(s) -
В. В. Шпейзман
Publication year - 2018
Publication title -
pisʹma v žurnal tehničeskoj fiziki
Language(s) - English
Resource type - Journals
eISSN - 1726-7471
pISSN - 0320-0116
DOI - 10.21883/pjtf.2018.15.46444.17241
Subject(s) - burgers vector , deformation (meteorology) , strain rate , jump , materials science , constant (computer programming) , tin , dislocation , physics , metallurgy , composite material , computer science , quantum mechanics , programming language
It is proposed to characterize levels of deformation by a size of its jumps, which can be observed when the strain rate is accurately measured in experiments with load that is constant or defined according a certain law. At the micro- and nanometer scales, the strain rate was measured and the deformation jumps were computed for copper, lead, and tin using a precision interferometric method. A correlation of the size of jumps with the Burgers vector of dislocations in metals was shown, and hypotheses about ensembles of dislocations participating in the formation of a deformation jump are made.