1. The Portevin-Le Chatelier Effect and Beyond
- Author
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Lebyodkin, M.A., Lebedkina, Tatiana, Laboratoire d'Etude des Microstructures et de Mécanique des Matériaux (LEM3), Centre National de la Recherche Scientifique (CNRS)-Université de Lorraine (UL)-Arts et Métiers Sciences et Technologies, HESAM Université (HESAM)-HESAM Université (HESAM), Labex DAMAS, Université de Lorraine (UL), Institut de recherche technologique Matériaux Métallurgie et Procédés (IRT M2P), Jamieson Brechtl, and Peter K. Liaw
- Subjects
deformation bands ,strain localization ,scale invariance ,plastic instability ,[SPI.MAT]Engineering Sciences [physics]/Materials ,[PHYS.MECA.MEMA]Physics [physics]/Mechanics [physics]/Mechanics of materials [physics.class-ph] ,relaxation oscillations ,digital image correlation ,Portevin-Le Chatelier effect ,serrated flow ,jerky flow ,fluctuation scaling ,deterministic chaos ,self-similarity ,power-law scaling ,high-frequency local extensometry ,statistical distributions ,dynamical strain aging ,[SPI.MECA]Engineering Sciences [physics]/Mechanics [physics.med-ph] ,strain localization waves ,multifractal analysis ,[PHYS.COND.CM-MS]Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci] ,avalanches ,self-organized criticality ,acoustic emission ,synchronization - Abstract
International audience; This chapter presents a review of investigations into the complexity of the plastic flow associated with the Portevin-Le Chateliereffect, or jerky flow, in traditional alloys that have basic elements determining the crystal lattice of the material. The main accent is put onthe illustration of the state-of-the art of this research under the angle of distinct regimes of collective dislocation dynamics, e.g., self-organizedcriticality, deterministic chaos, or synchronization. Finally, an extension of the research toward finer scales, which are resolved using acoustic emission and image correlation techniques, is discussed.
- Published
- 2022