Deformable material as a nonlinear active medium
The regularities of the formation of autowaves of localized plastic flow in metals under Lüders and Portevin-Le Chatelier deformations are considered, taking into account the difference in the microscopic mechanisms of plastic flow for these phenomena. Regularities in the development of these effects are studied. It has been established that the features of deformation characteristic of them are determined by the difference in the properties of the active media formed in the studied materials during plastic deformation. The conditions for generating a switching autowave under Lüders deformation and an excitation autowave under the Portevin-Le Chatelier effect in deformable materials are considered.
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Keywords
deformable medium, localization, plasticity, dislocations, autowavesAuthors
| Name | Organization | |
| Zuev L.B. | Institute of Strength Physics and Materials Science SB RAS | lbz@ispms.ru |
| Danilov V.I. | Institute of Strength Physics and Materials Science SB RAS | dvi@ispms.ru |
| Danilova L.V. | Institute of Strength Physics and Materials Science SB RAS | dlv@ispms.ru |
| Gorbatenko V.V. | Institute of Strength Physics and Materials Science SB RAS | gvv@ispms.ru |
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