Role of disorder in the size scaling of material strength (Articolo in rivista)

Type
Label
  • Role of disorder in the size scaling of material strength (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • Alava, MJ; Nukala, PKVV; Zapperi, S (2008)
    Role of disorder in the size scaling of material strength
    in Physical review letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Alava, MJ; Nukala, PKVV; Zapperi, S (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 100 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • \"[Alava, Mikko J.] Helsinki Univ Technol, Phys Lab, FIN-02015 Espoo, Finland; [Nukala, Phani K. V. V.] Oak Ridge Natl Lab, Div Math & Comp Sci, Oak Ridge, TN 37831 USA; [Zapperi, Stefano] Univ Modena, Dipartimento Fis, INFM CNR, S3, I-41100 Modena, Italy; [Zapperi, Stefano] Univ Reggio Emilia, I-41100 Modena, Italy; [Zapperi, Stefano] ISI Fdn, I-10133 Turin, Italy (literal)
Titolo
  • Role of disorder in the size scaling of material strength (literal)
Abstract
  • We study the sample-size dependence of the strength of disordered materials with a flaw, by numerical simulations of lattice models for fracture. We find a crossover between a regime controlled by the disorder and another controlled by stress concentrations, ruled by continuum fracture mechanics. The results are formulated in terms of a scaling law involving a statistical fracture process zone. Its existence and scaling properties are revealed only by sampling over many configurations of the disorder. The scaling law is in good agreement with experimental results obtained from notched paper samples. (literal)
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