We present experimental data on time-dependent behaviour of the apparent pitch of a Cholesteric Liquid Crystal (CLC) when it is submitted to mechanical shearing deformations. In particular we are interested to study the molecular reorientation process after the application of the shear. A good agreement is found between the calculated value of the characteristic time of this process, from a simple model, and the experimental one.

DYNAMIC-RESPONSE OF CHOLESTERIC LIQUID-CRYSTALS TO MECHANICAL SHEARING DEFORMATIONS

SCARAMUZZA N.;CARBONE V.;BARBERI, Riccardo Cristoforo
1991

Abstract

We present experimental data on time-dependent behaviour of the apparent pitch of a Cholesteric Liquid Crystal (CLC) when it is submitted to mechanical shearing deformations. In particular we are interested to study the molecular reorientation process after the application of the shear. A good agreement is found between the calculated value of the characteristic time of this process, from a simple model, and the experimental one.
Cholesteric Liquid Crystals; Shear Deformations
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/20.500.11770/138431
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