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Possible self-Organized criticality in the Portevin-Le Chatelier effect during decomposition of solid solution alloys

Chinh, N.Q., Csanádi, T., Gubicza, J., Lendvai, J. and Langdon, T.G. (2012) Possible self-Organized criticality in the Portevin-Le Chatelier effect during decomposition of solid solution alloys Materials Research Society Communications, 2, pp. 1-4. (doi:10.1557/mrc.2011.25).

Record type: Article

Abstract

Spatial fluctuations of the microstructure suggest possible self-organized criticality in the Portevin–Le Chatelier plastic instability occurring in age-hardenable alloys. The discontinuous yielding found in a supersaturated Al alloy can be characterized by a universal power-law spectrum that is independent of the experimental conditions. The result provides an explanation for the formation of unexpected detrimental strain localizations when samples are severely deformed, giving a framework for studying the simultaneous effects of solute atoms and precipitates in the decomposition of solid solutions.

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Published date: March 2012
Organisations: Engineering Mats & Surface Engineerg Gp

Identifiers

Local EPrints ID: 340529
URI: http://eprints.soton.ac.uk/id/eprint/340529
PURE UUID: 30c582e3-a6a6-49b8-8a6a-d45082325992
ORCID for T.G. Langdon: ORCID iD orcid.org/0000-0003-3541-9250

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Date deposited: 25 Jun 2012 11:12
Last modified: 18 Jul 2017 05:43

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Contributors

Author: N.Q. Chinh
Author: T. Csanádi
Author: J. Gubicza
Author: J. Lendvai
Author: T.G. Langdon ORCID iD

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