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Proceedings Paper

Computer-aided moire strain analysis on thermoplastic models at critical temperature
Author(s): Marc Barillot; Pierre M. Jacquot; Giuseppe Di Chirico
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Paper Abstract

Moire-holographic techniques are utilized to analyse the mechanical behaviour of structural elements made of thermoplastic materials in the critical temperature domain. Several extensions of the basic set-up are described, which consist mainly in the computation of in-plane displacement components by a phase-shifting technique and in the computation of the derivatives of these components, either by pure numerical means or by a hybrid procedure involving an analog optical recording followed by an automatic phase calculation. The results of tests carried out with ring shaped perspex specimens subjected to compression, under various boundary conditions and different temperature domains, are also provided.

Paper Details

Date Published: 1 December 1991
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Proc. SPIE 1554, Second International Conference on Photomechanics and Speckle Metrology, (1 December 1991); doi: 10.1117/12.49537
Show Author Affiliations
Marc Barillot, Swiss Federal Institute of Technology (Switzerland)
Pierre M. Jacquot, Swiss Federal Institute of Technology (Switzerland)
Giuseppe Di Chirico, Univ. di Cagliari (Italy)


Published in SPIE Proceedings Vol. 1554:
Second International Conference on Photomechanics and Speckle Metrology
Fu-Pen Chiang; Fu-Pen Chiang, Editor(s)

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