29 May 2002 3D elastic-plastic analysis and experiment of free-edge effects in angle-ply thermoplastic composite laminates
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Proceedings Volume 4537, Third International Conference on Experimental Mechanics; (2002) https://doi.org/10.1117/12.468803
Event: Third International Conference on Experimental Mechanics, 2002, Beijing, China
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.
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Min Shen, Min Shen, Jingwei Tong, Jingwei Tong, Shibin Wang, Shibin Wang, Hong-Qi Li, Hong-Qi Li, Pierluigi Priolo, Pierluigi Priolo, Francesco Aymerich, Francesco Aymerich, } "3D elastic-plastic analysis and experiment of free-edge effects in angle-ply thermoplastic composite laminates", Proc. SPIE 4537, Third International Conference on Experimental Mechanics, (29 May 2002); doi: 10.1117/12.468803; https://doi.org/10.1117/12.468803
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