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A dynamical approach to the spatio-temporal features of the Portevin-Le Chatelier effect

Ananthakrishna, G (2005) A dynamical approach to the spatio-temporal features of the Portevin-Le Chatelier effect. In: Computer Modeling in Engineering and Sciences (CMES), 7 (3). pp. 233-239.

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Official URL: http://www.techscience.com/cmes/2005/v7n3_index.ht...

Abstract

We show that the extended Ananthakrishna's model exhibits all the features of the Portevin - Le Chatelier effect including the three types of bands. The model reproduces the recently observed crossover from a low dimensional chaotic state at low and medium strain rates to a high dimensional power law state of stress drops at high strain rates. The dynamics of crossover is elucidated through a study of the Lyapunov spectrum.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Tech Science Press.
Department/Centre: Division of Chemical Sciences > Materials Research Centre
Date Deposited: 22 Apr 2010 12:16
Last Modified: 29 Jul 2011 05:02
URI: http://eprints.iisc.ernet.in/id/eprint/27181

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