Abstract
In the present investigation, a novel approach of the interphase concept is introduced according which the interphase volume fraction represents the percentage of the bulk matrix surrounding the inclusions in which a specific matrix property is strongly affected by the existence of the reinforcement, while the interphase thickness represents the maximum radial distance from the inclusion boundary at which this property varies. This means that both the interphase volume fraction and the interphase thickness are not simple geometrical/structural concepts but they are property-dependent, that is, their values depend on the property considered at the time. Such an interphase is the so-called “hybrid interphase”. Based on this new interphase concept, a micromechanics semi-analytical model has been developed for the determination of stresses developed in the interfacl area of unidirectional fiber — reinforced composites incorporating a hybrid interphase region..Macromechanical material characterization and predictions of interfacial stress distribution indicate the effect of the hybrid interphase, while a satisfactory agreement between theoretical predictions and respective experimental results was found.
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Papanicolaou, G.C., Anifantis, N.K. (2003). Correlation Between Micromechanical and Macromechanical Properties of Composite Materials Based on a New Interphase Concept. In: Gdoutos, E.E., Marioli-Riga, Z.P. (eds) Recent Advances in Composite Materials. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-2852-2_16
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DOI: https://doi.org/10.1007/978-94-017-2852-2_16
Publisher Name: Springer, Dordrecht
Print ISBN: 978-90-481-6294-9
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