Rupture of random fuse networks: ductile to brittle crossover

Rafael F. Angulo, Ernesto Medina

Producción científica: Contribución a una revistaArtículo de la conferenciarevisión exhaustiva


We study the rupture process of Random Fuse Networks (RFN's) with quenched disorder in the microscopic threshold voltages. If lattices are driven to breakdown in one blow by an externally applied voltage the RFN's are shown to be equivalent to the toughest percolation backbone. Critical path analysis holds exactly in this case for all disorder distributions. For gradual rupture, it is shown that the existence of a lower cutoff in the disorder distributions entails a crossover from ductile to brittle behavior. The crossover length is a function of microscopic disorder and diverges in the limit of infinite disorder.

Idioma originalInglés
Páginas (desde-hasta)131-136
Número de páginas6
PublicaciónMaterials Research Society Symposium - Proceedings
EstadoPublicada - 1995
Publicado de forma externa
EventoProceedings of the 1994 MRS Fall Meeting - Boston, MA, USA
Duración: 28 nov. 19942 dic. 1994


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