2019
DOI: 10.3390/cryst9090458
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Autowave Physics of Material Plasticity

Abstract: The notions of plastic flow localization are outlined in the paper. It is shown that each type of localized plasticity pattern corresponds to a definite stage of deformation hardening. In the course of plastic flow development, a changeover in the types of localization patterns occurs. The types of localization patterns are limited in number: four pattern types are all that can be expected. A correspondence was set up between the emergent localization pattern and the respective flow stage. It is found that the… Show more

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Cited by 46 publications
(58 citation statements)
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References 91 publications
(209 reference statements)
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“…The spatial and/or temporal resolutions of these methods occupy a somewhat intermediate position with regard to the AE and mechanical tests. It occurs that they reveal another ubiquitous feature of the macroscopically smooth flow, namely, wavy patterns in the time evolution of the spatial repartition of plastic strain [39][40][41][42][43]. Moreover, a few recent works reported on a duality in the sense that the strain-rate bursts obey scaling distributions and, at the same time, are organized in wavy structures in the spatiotemporal maps [44][45][46].…”
Section: Introductionmentioning
confidence: 98%
“…The spatial and/or temporal resolutions of these methods occupy a somewhat intermediate position with regard to the AE and mechanical tests. It occurs that they reveal another ubiquitous feature of the macroscopically smooth flow, namely, wavy patterns in the time evolution of the spatial repartition of plastic strain [39][40][41][42][43]. Moreover, a few recent works reported on a duality in the sense that the strain-rate bursts obey scaling distributions and, at the same time, are organized in wavy structures in the spatiotemporal maps [44][45][46].…”
Section: Introductionmentioning
confidence: 98%
“…Экспериментальные исследования кинетики развития пластической деформации твердых тел [1][2][3] показали, что в ходе деформационного процесса формируются различные моды автоволн локализованного пластического течения, закономерно меняющиеся при изменении закона деформационного упрочнения. Автоволны характеризуются длиной λ, периодом T и скоростью распространения V aw = λ/T .…”
Section: Introductionunclassified
“…справедливым для стадий линейного деформационного упрочнения и названным упругопластическим инвариантом деформации. Природа этого соотношения определяется взаимной обусловленностью процессов, одновременно протекающих в фононной и деформационной подсистемах пластически деформируемой среды [1,2]. Выполнимость инварианта (1) была установлена на основании опытов по деформации металлов, щелочно-галоидных кристаллов и горных пород, а также в экспериментах по ползучести и по измерениям пробегов индивидуальных дислокаций в монокристаллах [1].…”
Section: Introductionunclassified
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