Avalanches in Wood Compression

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dc.contributorAalto-yliopistofi
dc.contributorAalto Universityen
dc.contributor.authorMäkinen, T.
dc.contributor.authorMiksic, A.
dc.contributor.authorOvaska, M.
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.accessioned2015-11-25T10:02:16Z
dc.date.available2015-11-25T10:02:16Z
dc.date.issued2015
dc.description.abstractWood is a multiscale material exhibiting a complex viscoplastic response. We study avalanches in small wood samples in compression. “Woodquakes” measured by acoustic emission are surprisingly similar to earthquakes and crackling noise in rocks and laboratory tests on brittle materials. Both the distributions of event energies and of waiting (silent) times follow power laws. The stress-strain response exhibits clear signatures of localization of deformation to “weak spots” or softwood layers, as identified using digital image correlation. Even though material structure-dependent localization takes place, the avalanche behavior remains scale-free.en
dc.description.versionPeer revieweden
dc.format.extent055501/1-5
dc.format.mimetypeapplication/pdfen
dc.identifier.citationMäkinen, T. & Miksic, A. & Ovaska, M. & Alava, Mikko J. 2015. Avalanches in Wood Compression. Physical Review Letters. Volume 115, Issue 5. 055501/1-5. ISSN 0031-9007 (printed). DOI: 10.1103/physrevlett.115.055501.en
dc.identifier.doi10.1103/physrevlett.115.055501
dc.identifier.issn0031-9007 (printed)
dc.identifier.urihttps://aaltodoc.aalto.fi/handle/123456789/18763
dc.identifier.urnURN:NBN:fi:aalto-201511255276
dc.language.isoenen
dc.publisherAmerican Physical Society (APS)en
dc.relation.ispartofseriesPhysical Review Lettersen
dc.relation.ispartofseriesVolume 115, Issue 5
dc.rights© 2015 American Physical Society (APS). This is the accepted version of the following article: Mäkinen, T. & Miksic, A. & Ovaska, M. & Alava, Mikko J. 2015. Avalanches in Wood Compression. Physical Review Letters. Volume 115, Issue 5. 055501/1-5. ISSN 0031-9007 (printed). DOI: 10.1103/physrevlett.115.055501, which has been published in final form at http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.115.055501.en
dc.rights.holderAmerican Physical Society (APS)
dc.subject.keywordavalanchesen
dc.subject.keywordwood samples in compressionen
dc.subject.otherPhysicsen
dc.titleAvalanches in Wood Compressionen
dc.typeA1 Alkuperäisartikkeli tieteellisessä aikakauslehdessäfi
dc.type.dcmitypetexten
dc.type.versionFinal published versionen

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