Effect of mechanical characteristics of a unidirection composite on the law of optimum reinforcement of fibrous composite materials

Abstract

The authors examined the problem of the effect of the mechanical characteristics of a unidirectional composite material and of winding methods on the position of the optimum reinforcement trajectories. The conditions are determined which the method of reinforcement of the material in designing a structure on the basis of the equal strength criterion with an allowance made for the elasticity of the binder taken into account should be satisfied. For a network glass-plastic cylindrical shell the optimum reinforcement angle is equal to approximately 56° and the deviation from this value results in a small increase of the shell thickness.