Oriented short fiberglass mats prepared by the ERDE converging flow technique of fiber/glycerine dispersions were studied. Fiber orientation distribution in mats, prepregs and molded sheets were investigated by optical and X‐ray techniques. Longitudinal and transverse fracture surfaces of short fiberglass/epoxy molded sheets were analyzed. The effect of fiber length on tensile properties was also studied. The experimental results obtained on longitudinal, transverse, and off‐axis tensile modulus and ultimate strength were compared with classical elastic equations for continuous reinforcement.
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Kacir et al. (1977) studied this question.
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