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Title: Experimental modeling of nonlinear photothermal effects in composite materials
Authors: Kalogiannakis, G
Moura, André
Ravi, Jyotsna
Longuemart, Stephane
Antoniow, JS
Van Hemelrijck, D
Glorieux, Christ #
Issue Date: Jun-2005
Publisher: E d p sciences
Series Title: Journal de Physique IV France vol:125 pages:487-489
Abstract: An experimental model system was developed in order to investigate the nonlinear effects that originate from vibrating boundaries in photothermal techniques. It followed a primary investigation that demonstrated the effect of thermoelastic bending particularly studied in fiber reinforced composite laminates. The model consisted of such a laminate with a hole and a metallic piston piece that was made to fit exactly inside the hole. The piston position, and consequently the width of the air gap between laminate and piston, was periodically varied while collecting a IR radiometric photothermal signal. The nonlinear effect caused by the varying boundary condition experiment resulted in the generation of mixing frequency components in the photothermal signal.
ISSN: 1155-4339
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Soft Matter and Biophysics
# (joint) last author

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