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The purpose of this work is the study of the mechanical behavior of two different sandwich composite in static and fatigue analysis of three-point bending, using different amount of glass fiber laminated as skins, remaining with same total thickness. The specimens are composed of glass fiber cloth and epoxy resin. The static tests provided the mechanical properties used in numerical simulations as well as fatigue tests analysis. Applying controlled displacement, it was analyzed load reactions, lifetime and failure modes during fatigue tests. Identifying the failures modes in microscopic analyses it was perceived adhesive fracture in fiber/matrix as first damage and core rupture as ultimate damage.

Effects of Amount of Glass Fiber Laminate Skins in Sandwich Composite of Filled Core