Título
Non-linear characterization of PP/Twaron laminates based on a model of plasticity with damage
Autor
PEDRO IVAN GONZALEZ CHI
Nivel de Acceso
Acceso Abierto
Identificador alterno
doi: http://dx.doi.org/10.1016/j.compstruct.2011.05.024
Referencia de publicación
doi: http://dx.doi.org/10.1016/j.compstruct.2011.05.024
Referencia de datos
doi: http://dx.doi.org/10.1016/j.compstruct.2011.05.024
Materias
Resumen o descripción
The non-linear stress–strain response of thermoplastic laminates was investigated for a polypropylene matrix composite reinforced with continuous Twaron fibers. Tensile tests were performed on unidirectional composites with a fiber orientation of [0]5, [24]5, [33]5, [45]5 and [90]5 and also on a [±45]2S laminate. The inelastic strains of these materials were described with a modification made to a model of plasticity with damage, originally proposed by Ladeveze (1992). This approach considers the longitudinal plasticity and stiffening behavior of a thermoplastic composite, and models the damaged elastoplastic stress–strain response of the material. The theoretical stress–strain curves and experimental results from the model composites [0]5, [90]5 and [±45]2S were compared, demonstrating that the model can be used as a designing tool for laminated thermoplastic composites.
Fecha de publicación
27 de mayo de 2011
Tipo de publicación
Artículo
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application/pdf
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Repositorio Orígen
Repositorio Institucional CICY
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