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Proceedings Paper

Study of dimensional stability of a thick composite panel submitted to environmental changes
Author(s): A. E. Dolinko; J. Molimard; G. H. Kaufmann
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Paper Abstract

Carbon fiber reinforced polymers have become thicker due to its use in aircraft manufacturers. Their manufacturing processes implies the generation of important residual stresses. In this work, a L-shaped thick composite shell is analyzed under moderate temperature changes. A stacking sequence error is voluntarily added in order to simulate possible manufacturing failure. Displacements are measured on the shell front and on its side using a mixed inplane and out-of-plane DSPI set-up, limiting the zone of interest to region of maximum curvature. Variations of the Lshape with temperature are recorded and typical flexure strain effects are outlined. Several parameters of interest can be deduced from the experiment.

Paper Details

Date Published: 14 September 2010
PDF: 7 pages
Proc. SPIE 7387, Speckle 2010: Optical Metrology, 73871Y (14 September 2010); doi: 10.1117/12.871263
Show Author Affiliations
A. E. Dolinko, Lab. of Tribology and Systems Dynamics, CNRS, Univ. de Lyon (France)
École des Mines de Saint-Étienne (France)
J. Molimard, Lab. of Tribology and Systems Dynamics, CNRS, Univ. de Lyon (France)
École des Mines de Saint-Étienne (France)
G. H. Kaufmann, CONICET, Instituto de Fisica, Univ. Nacional de Rosario (Argentina)


Published in SPIE Proceedings Vol. 7387:
Speckle 2010: Optical Metrology
Armando Albertazzi Goncalves; Guillermo H. Kaufmann, Editor(s)

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