The Effect of Processing Parameters on Structural Property for Filament-wound Composite Pressure Vessels

1 Introduction Filament winding is a popular production technique for composite structures. Cylinder pressure vessel with elliptical dome is an efficient product which can make full use of tensile strength of fiber. To achieve the most efficient use of the reinforcement material the fiber should be placed in the maximum load directions or in geodesic path. This is not always achievable as the fibers must not slip during the winding process due to windability. Windability means fiber bands should cover uniformly on the mandrel without voids or significant overlap toward radial and circumferential directions. Realistic pattern information is very important for an optimal design because it is directly related with the accuracy if finite element analyses.