Numerical design of rotationally molded composite tie rods

Rotational molding constitutes a promising manufacturing technology for rotationally symmetric components made of thermoset matrix with continuous fiber reinforcement. The present study deals the numerical analysis molded composite tie rod metallic load introduction elements. For this purpose, adhesive joint between carbon reinforced plastic and element was investigated in more detail. Different geometries spew fillet were evaluated to reduce stress peaks occurring at ends overlap. A design experiments used determine influence different parameters. An optimized geometry derived compared reference terms distribution. Subsequently, test specimens mechanically tested. results show that maximum stresses within layer can be reduced an fillet, thus higher mechanical tensile achieved.