Perforation of carbon fiber-wound composite cylinders struck by hemispherical and conical-nosed impactors

Experimental and numerical studies are performed on perforation of carbon fiber-wound composite cylinders struck by hemispherical and conical-nosed impactors. Drop-hammer impact tests are conducted at the impact velocity of 4.5 m/s and the impact energy of 405 J. The damage morphologies and failure mechanisms of the cylinders are then analyzed. The change laws of the impact responses and the absorbed energies of the cylinders impacted by...