Cel Understanding how materials respond to external mechanical perturbation is a central problem of science and engineering. While for most practical purposes it is useful to idealize the mechanical response of a material as a deterministic function of the externally applied perturbation, disorder and fluctuations are unavoidable, leading to sample-to-sample variations and non-trivial size effects. The size dependence of strength is a well known but still unresolved issue in the fracture of materials and structures. The difficulty in addressing this problem stems from the complex interplay between microstructual heterogeneity and long-range elastic interactions. Furthermore, in micro and nanoscale samples, the plastic yield strength displays size effects and strain bursts, features that are not present in macroscopic samples where plasticity is a smooth process. Large fluctuations both in fracture processes and in microscale plasticity make the use of conventional continuum mechanics problematic and calls instead for a statistically based approach. These problems are becoming particularly important in the current miniaturization trend towards nanoscale devices, since the relative amplitude of fluctuations grows as the sample size is reduced. In this project, concepts and tools of statistical mechanics are used to address size effects and fluctuations in the irreversible deformation and failure of materials. The general objective is to provide a quantitative theory that can be used as base for setting reliable safety factors. The theory will be based on the renormalization group and will be guided and validated by large scale numerical simulations such as molecular dynamics, discrete dislocation dynamics and disordered network models. Finally, we will analyze experimental data present in the literature. Dziedzina nauki natural sciencesphysical sciencesclassical mechanicsstatistical mechanics Program(-y) FP7-IDEAS-ERC - Specific programme: "Ideas" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013) Temat(-y) ERC-AG-PE8 - ERC Advanced Grant - Products and process engineering Zaproszenie do składania wniosków ERC-2011-ADG_20110209 Zobacz inne projekty w ramach tego zaproszenia System finansowania ERC-AG - ERC Advanced Grant Instytucja przyjmująca UNIVERSITA DEGLI STUDI DI MILANO Wkład UE € 896 423,82 Adres Via Festa Del Perdono 7 20122 Milano Włochy Zobacz na mapie Region Nord-Ovest Lombardia Milano Rodzaj działalności Higher or Secondary Education Establishments Kontakt administracyjny Fortunato Laface (Dr.) Kierownik naukowy Stefano Zapperi (Prof.) Linki Kontakt z organizacją Opens in new window Strona internetowa Opens in new window Koszt całkowity Brak danych Beneficjenci (3) Sortuj alfabetycznie Sortuj według wkładu UE Rozwiń wszystko Zwiń wszystko UNIVERSITA DEGLI STUDI DI MILANO Włochy Wkład UE € 896 423,82 Adres Via Festa Del Perdono 7 20122 Milano Zobacz na mapie Region Nord-Ovest Lombardia Milano Rodzaj działalności Higher or Secondary Education Establishments Kontakt administracyjny Fortunato Laface (Dr.) Kierownik naukowy Stefano Zapperi (Prof.) Linki Kontakt z organizacją Opens in new window Strona internetowa Opens in new window Koszt całkowity Brak danych ISTITUTO PER L'INTERSCAMBIO SCIENTIFICO Włochy Wkład UE € 739 170,45 Adres VIA CHISOLA 5 10126 Torino Zobacz na mapie Region Nord-Ovest Piemonte Torino Rodzaj działalności Research Organisations Kontakt administracyjny Roberto Palermo (Dr.) Linki Kontakt z organizacją Opens in new window Strona internetowa Opens in new window Koszt całkowity Brak danych CONSIGLIO NAZIONALE DELLE RICERCHE Włochy Wkład UE € 864 405,73 Adres PIAZZALE ALDO MORO 7 00185 Roma Zobacz na mapie Region Centro (IT) Lazio Roma Rodzaj działalności Research Organisations Kontakt administracyjny Tiziana Collodel (Dr.) Linki Kontakt z organizacją Opens in new window Strona internetowa Opens in new window Koszt całkowity Brak danych
