Multiscale structural relaxation and adiabatic shear failure mechanisms
| Autor: | E. A. Lyapunova, Ivan Panteleev, D. A. Bilalov, A. N. Petrova, C. Froustey, Oleg Naimark |
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| Rok vydání: | 2017 |
| Předmět: |
010302 applied physics
Materials science Solid-state physics Shear instability Constitutive equation 02 engineering and technology Surfaces and Interfaces Mechanics Plasticity Condensed Matter Physics 01 natural sciences Adiabatic shear band 020303 mechanical engineering & transports 0203 mechanical engineering Mechanics of Materials Dynamic loading 0103 physical sciences Relaxation (physics) General Materials Science |
| Zdroj: | Physical Mesomechanics. 20:31-42 |
| ISSN: | 1990-5424 1029-9599 |
| DOI: | 10.1134/s1029959917010039 |
| Popis: | Stages of plastic shear instability and adiabatic shear failure are associated with the initiation of collective modes of defect ensembles that have a self-similar nature of autosoliton and "blow-up" structures. Experimental and structural studies have confirmed simulation results for the stages of plastic strain localization and adiabatic shear failure based on the constitutive equations that relate structural relaxation and failure mechanisms to the formation of multiscale collective modes in defect ensembles. |
| Databáze: | OpenAIRE |
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