Elastic effects in disordered nematic networks.
作者信息
Uchida N
机构信息
Department of Physics, Kyoto University, Kyoto 606, Japan.
出版信息
Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics. 1999 Jul;60(1):R13-6. doi: 10.1103/physreve.60.r13.
PMID:11969869
Abstract
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.
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