Abstract
Comparative analyses have been completed on hollow and solid E-type glass fibers. Single fiber tensile tests were performed and correlations have been determined between the geometry and the tensile strength of the fibers. The flexural properties of the solid and the hollow fibers have been determined with deflection tests. The hollow glass fibers showed higher tensile strength and flexural rigidity than the solid glass fibers in the case of similar outer diameter. The hollow fibers were filled with the help of capillary effect, and the filling process was examined as a function of the viscosity and the contact angle between glass and fluids. A relationship has been detected between fiber filling speed and the inner diameter of the fibers, and the filling speed was increased by the lower viscosity and contact angle.
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