Measuring the five elastic constants of a nematic liquid crystal elastomer

Seung Won Oh; Tianyi Guo; Alexa S. Kuenstler; Ryan Hayward; Peter Palffy-Muhoray; Xiaoyu Zheng

doi:10.1080/02678292.2020.1790680

Measuring the five elastic constants of a nematic liquid crystal elastomer

Seung Won Oh, Tianyi Guo, Alexa S. Kuenstler, Ryan Hayward, Peter Palffy-Muhoray, Xiaoyu Zheng

Research output: Contribution to journal › Article › peer-review

Abstract

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 (Formula presented.), (Formula presented.), (Formula presented.), (Formula presented.), and (Formula presented.) in terms of strains and stresses, then measure these and determine the moduli for three different nematic elastomer samples.

Original language	English (US)
Pages (from-to)	1-11
Number of pages	11
Journal	Liquid Crystals
DOIs	https://doi.org/10.1080/02678292.2020.1790680
State	Published - 2020
Externally published	Yes

Keywords

elastic constants
Liquid crystal elastomer
tensile test
transversely isotropic

ASJC Scopus subject areas

General Chemistry
General Materials Science
Condensed Matter Physics

Online availability

10.1080/02678292.2020.1790680

Library availability

Discover UIUC Full Text

Cite this

@article{9e4ac75b76c344329f4624b3a95ab48f,

title = "Measuring the five elastic constants of a nematic liquid crystal elastomer",

abstract = "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 (Formula presented.), (Formula presented.), (Formula presented.), (Formula presented.), and (Formula presented.) in terms of strains and stresses, then measure these and determine the moduli for three different nematic elastomer samples.",

keywords = "elastic constants, Liquid crystal elastomer, tensile test, transversely isotropic",

author = "Oh, {Seung Won} and Tianyi Guo and Kuenstler, {Alexa S.} and Ryan Hayward and Peter Palffy-Muhoray and Xiaoyu Zheng",

note = "Funding Information: We gratefully acknowledge illuminating discussions with Professor Epifanio Virga of the Dept. of Mathematics, University of Pavia. This work was supported by the Office of Naval Research [ONR N00014-18-1-2624]. Funding Information: This work was supported by the US Office of Naval Research [ONR N00014-18-1-2624]. We gratefully acknowledge illuminating discussions with Professor Epifanio Virga of the Dept. of Mathematics, University of Pavia. This work was supported by the Office of Naval Research [ONR N00014-18-1-2624]. Publisher Copyright: {\textcopyright} 2020, {\textcopyright} 2020 Informa UK Limited, trading as Taylor & Francis Group.",

year = "2020",

doi = "10.1080/02678292.2020.1790680",

language = "English (US)",

pages = "1--11",

journal = "Liquid Crystals",

issn = "0267-8292",

publisher = "Taylor and Francis Ltd.",

}

TY - JOUR

T1 - Measuring the five elastic constants of a nematic liquid crystal elastomer

AU - Oh, Seung Won

AU - Guo, Tianyi

AU - Kuenstler, Alexa S.

AU - Hayward, Ryan

AU - Palffy-Muhoray, Peter

AU - Zheng, Xiaoyu

N1 - Funding Information: We gratefully acknowledge illuminating discussions with Professor Epifanio Virga of the Dept. of Mathematics, University of Pavia. This work was supported by the Office of Naval Research [ONR N00014-18-1-2624]. Funding Information: This work was supported by the US Office of Naval Research [ONR N00014-18-1-2624]. We gratefully acknowledge illuminating discussions with Professor Epifanio Virga of the Dept. of Mathematics, University of Pavia. This work was supported by the Office of Naval Research [ONR N00014-18-1-2624]. Publisher Copyright: © 2020, © 2020 Informa UK Limited, trading as Taylor & Francis Group.

PY - 2020

Y1 - 2020

N2 - 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 (Formula presented.), (Formula presented.), (Formula presented.), (Formula presented.), and (Formula presented.) in terms of strains and stresses, then measure these and determine the moduli for three different nematic elastomer samples.

AB - 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 (Formula presented.), (Formula presented.), (Formula presented.), (Formula presented.), and (Formula presented.) in terms of strains and stresses, then measure these and determine the moduli for three different nematic elastomer samples.

KW - elastic constants

KW - Liquid crystal elastomer

KW - tensile test

KW - transversely isotropic

UR - http://www.scopus.com/inward/record.url?scp=85087830711&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85087830711&partnerID=8YFLogxK

U2 - 10.1080/02678292.2020.1790680

DO - 10.1080/02678292.2020.1790680

M3 - Article

AN - SCOPUS:85087830711

SN - 0267-8292

SP - 1

EP - 11

JO - Liquid Crystals

JF - Liquid Crystals

ER -

Measuring the five elastic constants of a nematic liquid crystal elastomer

Abstract

Keywords

ASJC Scopus subject areas

Online availability

Library availability

Related links

Fingerprint

Cite this