Fracture Studies of Discontinuous Fiber Reinforced Thermoplastic Composites

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Abstract
The strength and toughness of discontinuous fiber reinforced composites were evaluated as a function of fiber length, fiber type, fiber volume and resin-fiber adhesion. Glass, car bon and aramid fiber reinforced nylon 6/6 composites, prepared by both extrusion com pounding and long fiber pultrusion techniques, were injection molded and characterized in tensile, Izod impact, and instrumented falling dart impact testing.