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Possibility of chaos in interval friction experiments of martensites

Bharathi, MS and Ananthakrishna, G (1999) Possibility of chaos in interval friction experiments of martensites. In: International Conference on Statistical Physics (Statphys - Calcutta III), JAN 04-09, 1999, Salt lake, India.

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Abstract

Wuttig and Suzuki's model on anelastic nonlinearities in solids in the vicinity of martensite transformations is analysed numerically. This model shows chaos even in the absence of applied forcing field as a function of a temperature dependent parameter. Even though the model exhibits sustained oscillations as a function of the amplitude of the forcing term, it does not exactly capture the features of the experimental time series. We have improved the model by adding a symmetry breaking term. The improved model shows period doubling bifurcation as a function of the amplitude of the forcing term. The solutions of our improved model shows good resemblance with the nonsymmetric period four oscillation seen in the experiment. (C) 1999 Elsevier Science B.V. All rights reserved.

Item Type: Conference Paper
Additional Information: Copyright of this article belongs to Elsevier Science B.V.
Department/Centre: Division of Chemical Sciences > Materials Research Centre
Date Deposited: 16 Mar 2012 08:37
Last Modified: 16 Mar 2012 08:37
URI: http://eprints.iisc.ernet.in/id/eprint/43914

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