Flexural Response of Kevlar/Epoxy Composite Beams Adhesively Bonded at the Mid-Plane

摘要

The results of an analytical and experimental study to determine the effect of a thin adhesive interlayer on the flexural stiffness and strength of warp-aligned Kelvar 49 Style 143 fabrix/5208 epoxy composite beams are reported. Layered and sold composite laminate constructions 12.5 mm thick were analyzed by finite element techniques. The layered construction consisted of two 6.25 mm thick laminates bonded together with a 0.076 - 0.229 mm adhesive bond. Bend test runs at 22 exp 0 C verified that the layered and solid beams have essentially identical stiffness and strength. Changes indicate the temperature depends on the composite. (ERA citation 05:019163)