Photoelastic response of polycarbonate in NIR

In the paper we present the results of an experimental investigation of photoelasticity of polycarbonate which is subject to compressive stress. For investigation, we used a homemade plane polariscope and determined the residual birefringence of unloaded samples, prior to the investigation itself. A...

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Bibliographic Details
Main Authors: Tarjányi, Norbert, Uhríčik, Milan, Káčik, Daniel, Palček, Peter
Format: Conference Proceeding
Language:English
Subjects:
Birefringence
Compressive properties
Luminous intensity
Photoelasticity
Polariscopes
Online Access:Get full text
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Summary:In the paper we present the results of an experimental investigation of photoelasticity of polycarbonate which is subject to compressive stress. For investigation, we used a homemade plane polariscope and determined the residual birefringence of unloaded samples, prior to the investigation itself. After that we gradually applied the load on the samples under investigation and recorded the spectra of light transmitted through the polariscope as function of load and the displacement of the head of the loading apparatus, as well. As the result we obtained the normalized intensity of light as function of engineering strain which provided information on the photoelastic birefringence as function of the strain.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.5119499