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dc.contributor.authorRomero, F.J.-
dc.contributor.authorManchado, J.-
dc.contributor.authorMartn-Olalla, J.M.-
dc.contributor.authorGallardo, M.C.-
dc.contributor.authorSalje, E.K.H.-
dc.date.accessioned2012-11-27T11:41:19Z-
dc.date.available2012-11-27T11:41:19Z-
dc.date.issued2011-
dc.identifierdoi: 10.1063/1.3609239-
dc.identifierissn: 0003-6951-
dc.identifier.citationApplied Physics Letters 99 (2011)-
dc.identifier.urihttp://hdl.handle.net/10261/61271-
dc.description.abstractCrackling noise and avalanches during the martensite phase transformation of Cu67.64Zn16.71Al15.65 were investigated. Heat flux measurements with extremely slow heating rates of 0.005 Kh -1 allowed sufficient separation between the continuous background and the avalanche jerks. The jerk enthalpy is below 3 of the total transformation enthalpy. The crackling noise follows power law behavior with an energy exponent near ε=1.8. The jerks are almost uncorrelated with approximately a Poisson distribution of the waiting times between jerks. Quantitative analysis showed a scaling behavior with p(wt) ∿ wt (γ-1)exp(-wt/τ)n with γ=0.7 and n ≈ 1. © 2011 American Institute of Physics.-
dc.description.sponsorshipThe calorimetric experiments have been supported in Seville by Project FIS2006-04045. J. Manchado wishes to thank to Fundacio´n Ca´mara for a research grant. We want to thank also to Dr. A. Planes for supplying the sample.-
dc.language.isoeng-
dc.publisherAmerican Institute of Physics-
dc.rightsopenAccess-
dc.titleDynamic heat flux experiments in Cu67.64Zn 16.71Al15.65: Separating the time scales of fast and ultra-slow kinetic processes in martensitic transformations-
dc.typeartículo-
dc.identifier.doi10.1063/1.3609239-
dc.date.updated2012-11-27T11:41:19Z-
dc.description.versionPeer Reviewed-
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