Phys. Rev. E 60, R13–R16 (1999)Elastic effects in disordered nematic networks
Elastic effects in a model of disordered nematic elastomers are numerically investigated in two dimensions. Networks crosslinked in the isotropic phase exhibit an unusual soft mechanical response against stretching. It arises from a gradual alignment of orientationally correlated regions that are elongated along the director. A sharp crossover to a macroscopically aligned state is obtained on further stretching. The effect of random internal stress is also discussed. © 1999 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevE.60.R13
DOI:
10.1103/PhysRevE.60.R13
PACS:
61.30.Cz, 61.41.+e, 64.70.Md
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