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Proceedings Paper

3D elastic-plastic analysis and experiment of free-edge effects in angle-ply thermoplastic composite laminates
Author(s): Min Shen; Jingwei Tong; Shibin Wang; Hong-Qi Li; Pierluigi Priolo; Francesco Aymerich
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Paper Abstract

The fully 3D orthotropic elastic-plastic analysis of interlaminar stresses and deformation for AS4/PEEK thermoplastic laminates is developed in this paper, and used to simulate the tensile stress- strain curves for (+/- 25)s4 laminates. Under uniaxial tensile loading, the 3D orthotropic elastic-plastic FE analysis and microscopic moire interferometry of interlaminar stresses and deformation are carried out for the (+/- 25)s4 laminates. It is found that the numerical tensile stress-strain curves of (+/- 25)s4 laminates agree with experimental. The numerical interlaminar displacement u and shear strain (gamma) xz are also consistent with the experimental results obtained by moire interferometry.

Paper Details

Date Published: 29 May 2002
PDF: 4 pages
Proc. SPIE 4537, Third International Conference on Experimental Mechanics, (29 May 2002); doi: 10.1117/12.468803
Show Author Affiliations
Min Shen, Tianjin Univ. (China)
Jingwei Tong, Tianjin Univ. (China)
Shibin Wang, Tianjin Univ. (China)
Hong-Qi Li, Tianjin Univ. (China)
Pierluigi Priolo, Univ. of Cagliari (Italy)
Francesco Aymerich, Univ. of Cagliari (United Kingdom)


Published in SPIE Proceedings Vol. 4537:
Third International Conference on Experimental Mechanics

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