Spatiotemporal Ordering at Plastic Flow of Solids
| Autor: | L. B. Zuev, V. I. Danilov, B. S. Semukhin |
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| Jazyk: | English<br />Russian<br />Ukrainian |
| Rok vydání: | 2002 |
| Předmět: | |
| Zdroj: | Успехи физики металлов, Vol 3, Iss 3, Pp 237-304 (2002) |
| Druh dokumentu: | article |
| ISSN: | 1608-1021 2617-0795 |
| DOI: | 10.15407/ufm.03.03.237 |
| Popis: | The initiation of spatially-ordered strain-localization patterns—waves which evolve with time—is investigated for a wide range of the deformed materials—metals and alloys. The main parameters of these waves, i.e. the propagation velocity against the work-hardening coefficient, dispersion law, and wavelength against the grain size and specimen length are determined. Consideration is given to the possibility of treating plastic-flow localization as a process of plastic flow occurring in a deformed medium. A set of equations is derived, which is appropriate for the description of the evolution of local strain nuclei. The changes of the local-strain pattern type, which are observed in the various stages of flow, are examined. A model is proposed to account for the large-scale periodicity manifested in the distribution of localized deformation. |
| Databáze: | Directory of Open Access Journals |
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