The effect of alignment on the rate-dependent behavior of a main-chain liquid crystal elastomer

Soft Matter ◽  
2020 ◽  
Vol 16 (38) ◽  
pp. 8782-8798
Author(s):  
Cristina P. Martin Linares ◽  
Nicholas A. Traugutt ◽  
Mohand O. Saed ◽  
Alejandro Martin Linares ◽  
Christopher M. Yakacki ◽  
...  
Keyword(s):  
Liquid Crystal ◽  
Strain Field ◽  
Main Chain ◽  
Liquid Crystal Elastomer ◽  
Rate Dependent ◽  
Dependent Behavior

This study investigated the effect of alignment on the rate-dependent behavior of a main-chain liquid crystal elastomer (LCE). 3D-DIC was used to track the strain field and showed heterogeneous regions of strain from meson relaxation.

Effect of stretching angle on the stress plateau behavior of main-chain liquid crystal elastomers

Soft Matter ◽  
2021 ◽  
Vol 17 (11) ◽  
pp. 3128-3136
Author(s):  
Suzuka Okamoto ◽  
Shinichi Sakurai ◽  
Kenji Urayama
Keyword(s):  
Liquid Crystal ◽  
Main Chain ◽  
Stress Plateau ◽  
Liquid Crystal Elastomer ◽  
Ultimate Elongation ◽  
Liquid Crystal Elastomers

Stretching angle for a main-chain liquid crystal elastomer has pronounced effects on the width of the stress plateau as well as the ultimate elongation, while it has no effect on the plateau height.

scholarly journals Dual relaxation and structural changes under uniaxial strain in main-chain smectic-C liquid crystal elastomer

2015 ◽  
Vol 17 (1) ◽  
pp. 191-199 ◽  
Author(s):  
Dena M. Agra-Kooijman ◽  
Michael R. Fisch ◽  
Leela Joshi ◽  
Wanting Ren ◽  
Philip J. McMullan ◽  
...  
Keyword(s):  
Liquid Crystal ◽  
Relaxation Rate ◽  
Structural Changes ◽  
Main Chain ◽  
Uniaxial Strain ◽  
Liquid Crystal Elastomer ◽  
Smectic C ◽  
Dual Relaxation

Relaxation rate of the chevron angle, α becomes about ten times faster at strains exceeding 0.7 than at low strains.

A homeotropic main-chain tolane-type liquid crystal elastomer film exhibiting high anisotropic thermal conductivity

Soft Matter ◽  
2017 ◽  
Vol 13 (32) ◽  
pp. 5463-5468 ◽  
Author(s):  
Si-Jia Ge ◽  
Ti-Peng Zhao ◽  
Meng Wang ◽  
Lin-Lin Deng ◽  
Bao-Ping Lin ◽  
...  
Keyword(s):  
Thermal Conductivity ◽  
Liquid Crystal ◽  
Main Chain ◽  
High Thermal Conductivity ◽  
Conductivity Anisotropy ◽  
Liquid Crystal Elastomer ◽  
Anisotropic Thermal Conductivity

Homeotropic aligned main-chain tolane-type liquid crystal elastomer films with high normal-to-plane thermal conductivity and high thermal conductivity anisotropy are described.

Liquid-crystal order during synthesis affects main-chain liquid-crystal elastomer behavior

Soft Matter ◽  
2017 ◽  
Vol 13 (39) ◽  
pp. 7013-7025 ◽  
Author(s):  
N. A. Traugutt ◽  
R. H. Volpe ◽  
M. S. Bollinger ◽  
M. O. Saed ◽  
A. H. Torbati ◽  
...  
Keyword(s):  
Liquid Crystal ◽  
Main Chain ◽  
Mechanical Behaviors ◽  
Liquid Crystal Elastomer ◽  
Liquid Crystal Elastomers

This study presents the first direct comparison of the influence of liquid-crystal order during synthesis on the thermo-mechanical behaviors of main-chain liquid-crystal elastomers (LCEs) in thiol–acrylate networks.

Polydopamine-Coated Main-Chain Liquid Crystal Elastomer as Optically Driven Artificial Muscle

2018 ◽  
Vol 10 (9) ◽  
pp. 8307-8316 ◽  
Author(s):  
Hongmiao Tian ◽  
Zhijian Wang ◽  
Yilong Chen ◽  
Jinyou Shao ◽  
Tong Gao ◽  
...  
Keyword(s):  
Liquid Crystal ◽  
Main Chain ◽  
Artificial Muscle ◽  
Liquid Crystal Elastomer

Modeling of photo-responsive liquid crystal elastomer actuators

2021 ◽  
Vol 560 ◽  
pp. 441-455
Author(s):  
Jundong Wu ◽  
Wenjun Ye ◽  
Yawu Wang ◽  
Chun-Yi Su
Keyword(s):  
Liquid Crystal ◽  
Liquid Crystal Elastomer
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