1/f noise and avalanche scaling in plastic deformation

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dc.contributorAalto-yliopistofi
dc.contributorAalto Universityen
dc.contributor.authorLaurson, L.
dc.contributor.authorAlava, Mikko J.
dc.contributor.departmentTeknillisen fysiikan laitosfi
dc.contributor.departmentDepartment of Applied Physicsen
dc.contributor.schoolPerustieteiden korkeakoulufi
dc.contributor.schoolSchool of Scienceen
dc.date.accessioned2015-11-27T10:02:54Z
dc.date.available2015-11-27T10:02:54Z
dc.date.issued2006
dc.description.abstractWe study the intermittency and noise of dislocation systems undergoing shear deformation. Simulations of a simple two-dimensional discrete dislocation dynamics model indicate that the deformation rate exhibits a power spectrum scaling of the type 1/fα. The noise exponent is far away from a Lorentzian, with α≈1.5. This result is directly related to the way the durations of avalanches of plastic deformation activity scale with their size.en
dc.description.versionPeer revieweden
dc.format.extent066106/1-5
dc.format.mimetypeapplication/pdfen
dc.identifier.citationLaurson, L. & Alava, Mikko J. 2006. 1/f noise and avalanche scaling in plastic deformation. Physical Review E. Volume 74, Issue 6. 066106/1-5. ISSN 1539-3755 (printed). DOI: 10.1103/physreve.74.066106.en
dc.identifier.doi10.1103/physreve.74.066106
dc.identifier.issn1539-3755 (printed)
dc.identifier.urihttps://aaltodoc.aalto.fi/handle/123456789/18880
dc.identifier.urnURN:NBN:fi:aalto-201511275378
dc.language.isoenen
dc.publisherAmerican Physical Society (APS)en
dc.relation.ispartofseriesPhysical Review Een
dc.relation.ispartofseriesVolume 74, Issue 6
dc.rights© 2006 American Physical Society (APS). This is the accepted version of the following article: Laurson, L. & Alava, Mikko J. 2006. 1/f noise and avalanche scaling in plastic deformation. Physical Review E. Volume 74, Issue 6. 066106/1-5. ISSN 1539-3755 (printed). DOI: 10.1103/physreve.74.066106, which has been published in final form at http://journals.aps.org/pre/abstract/10.1103/PhysRevE.74.066106.en
dc.rights.holderAmerican Physical Society (APS)
dc.subject.keywordintermittencyen
dc.subject.keywordnoiseen
dc.subject.keywordplasticityen
dc.subject.keyworddislocation systemsen
dc.subject.otherPhysicsen
dc.title1/f noise and avalanche scaling in plastic deformationen
dc.typeA1 Alkuperäisartikkeli tieteellisessä aikakauslehdessäfi
dc.type.dcmitypetexten
dc.type.versionFinal published versionen

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