%0 Book Section %1 statphys23_1022 %A Beato, V. %B Abstract Book of the XXIII IUPAP International Conference on Statistical Physics %C Genova, Italy %D 2007 %E Pietronero, Luciano %E Loreto, Vittorio %E Zapperi, Stefano %K automata cellular plasticity statphys23 topic-4 %T Modeling size effects in plasticity %U http://st23.statphys23.org/webservices/abstract/preview_pop.php?ID_PAPER=1022 %X Strong yield stress fluctuations and size effects are observed in plastically deformed micron size samples 1. The problem can be analyzed in the framework of the yielding transition proposed for the dynamics of interacting dislocations 2. Here we discuss the numerical results of a cellular automaton model of dislocation dynamics including long-range stresses, dislocation annihilation and multiplication. We compute the yield stress distribution and its dependence on the sample size. The numerical results are compared with experiments 1.\\ 1) M. D. Uchic et al., Science 305, 986 (2004).\\ 2) M. Zaiser and P. Moretti, JSTAT, P08004 (2005).

@incollection{statphys23_1022, abstract = {Strong yield stress fluctuations and size effects are observed in plastically deformed micron size samples [1]. The problem can be analyzed in the framework of the yielding transition proposed for the dynamics of interacting dislocations [2]. Here we discuss the numerical results of a cellular automaton model of dislocation dynamics including long-range stresses, dislocation annihilation and multiplication. We compute the yield stress distribution and its dependence on the sample size. The numerical results are compared with experiments [1].\\ 1) M. D. Uchic et al., Science 305, 986 (2004).\\ 2) M. Zaiser and P. Moretti, JSTAT, P08004 (2005).}, added-at = {2007-06-20T10:16:09.000+0200}, address = {Genova, Italy}, author = {Beato, V.}, biburl = {https://www.bibsonomy.org/bibtex/20caa1a5e9bb8aedabebce75a5df7e289/statphys23}, booktitle = {Abstract Book of the XXIII IUPAP International Conference on Statistical Physics}, editor = {Pietronero, Luciano and Loreto, Vittorio and Zapperi, Stefano}, interhash = {3461dee44ab05421888ef60adcee63fc}, intrahash = {0caa1a5e9bb8aedabebce75a5df7e289}, keywords = {automata cellular plasticity statphys23 topic-4}, month = {9-13 July}, timestamp = {2007-06-20T10:16:37.000+0200}, title = {Modeling size effects in plasticity}, url = {http://st23.statphys23.org/webservices/abstract/preview_pop.php?ID_PAPER=1022}, year = 2007 }