Abstract
Fiber-reinforced polymer laminates and sandwich composites are increasingly being used in naval ships at risk of high-pressure shock loading caused by air and underwater explosions. This chapter presents a comprehensive review of material solutions for improving the survivability of composite ship structures against the shock wave generated by an explosive blast. Many material solutions have been proposed to mitigate shock wave energy; reduce dynamic deformation and vibration; minimize damage; and retain the postblast structural integrity of laminates and sandwich composites. Proposed material solutions for increasing the blast resistance of monolithic laminates include tailored fiber and ply design, matrix toughening, through-thickness reinforcement, and energy absorbing coating systems. The blast resistance of sandwich composites may be improved using low-density, functionally graded, or toughened cores, through-thickness reinforcement of the core, strengthened fiber-core bonding, and other innovative solutions. The chapter describes the efficacy and practicality of the different material solution for improving the blast survivability of composite ship structures.
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