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, 1-4. (doi:10.1557/mrc.2011.25).
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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.
|Digital Object Identifier (DOI):||doi:10.1557/mrc.2011.25|
|Subjects:||T Technology > TP Chemical technology
T Technology > TS Manufactures
|Divisions:||Faculty of Engineering and the Environment > Engineering Sciences > Engineering Materials Surface Engineering
|Date Deposited:||25 Jun 2012 11:12|
|Last Modified:||27 Mar 2014 20:23|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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