Measuring the five elastic constants of a nematic liquid crystal elastomer

被引:12
|
作者
Oh, Seung-Won [1 ]
Guo, Tianyi [1 ]
Kuenstler, Alexa S. [2 ]
Hayward, Ryan [2 ]
Palffy-Muhoray, Peter [1 ,3 ]
Zheng, Xiaoyu [3 ]
机构
[1] Kent State Univ, Adv Mat & Liquid Crystal Inst, Kent, OH 44242 USA
[2] Univ Massachusetts, Dept Polymer Sci & Engn, Amherst, MA 01003 USA
[3] Kent State Univ, Dept Math Sci, Kent, OH 44242 USA
关键词
Liquid crystal elastomer; transversely isotropic; elastic constants; tensile test; ANISOTROPY; ACTUATORS; SHALES;
D O I
10.1080/02678292.2020.1790680
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The determination of the mechanical properties of materials is important for the creation of physical models and describing mechanisms for converting diverse stimuli into mechanical response. It is critical for the design of nanoscale transducers, sensors, and actuators such as motors, pumps, artificial muscles and medical microrobots. This paper reports the measurement of the five independent elastic constants of a transversely isotropic liquid crystal elastomer. We express the elastic constants E-L, E-T, G(12), k(12), and G(23) in terms of strains and stresses, then measure these and determine the moduli for three different nematic elastomer samples. [GRAPHICS] .
引用
收藏
页码:511 / 520
页数:10
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