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Rigidity percolation control of the brittle-ductile transition in disordered networks
[article]
2018
arXiv
pre-print
In ordinary solids, material disorder is known to increase the size of the process zone in which stress concentrates at the crack tip, causing a transition from localized to diffuse failure. Here, we report experiments on disordered 2D lattices, derived from frictional particle packings, in which the mean coordination number 〈 z 〉 of the underlying network provides a similar control. Our experiments show that tuning the connectivity of the network provides access to a range of behaviors from
arXiv:1812.07466v1
fatcat:ovnig35g5bbvtlytvx7a7gr6ny