Design requirements for naval structural and ballistic shields

The requirements for naval structural and ballistic shields (NSBS) are presented in order to ensure: resistance to projectile fire, hull functionality after impact, appropriate mechanical properties, and the joining of shield elements. The image of ballistic penetration of shield materials by a projectile and models describing the process of shield penetration by a projectile are shown. The dependencies of steel shield resistance on its thickness and hardness are illustrated. Based on the conducted research, the ballistic thicknesses of selected steels are provided. In the conclusion, the requirements for steels intended for NSBS are presented.THE REQUIREMENTS OF DESIGNING OF CONSTRUCTIONAL AND BALLISTIC SAFETY SHIELDS IN MARINE VESSELS
Abstract
In the article there have been presented the requirements for constructional and ballistic safety shields in marine vessels – it is made to provide: an impact resistance, a hull functionality after firing, an appropriate mechanical properties, a connection between elements of shields. There is a view of ballistic shield penetration by a missile and the models, that describe a process of shield penetration by the missile. There have been also illustrated the resistance dependences on its thickness and hardness. Using the results of a research, the ballistic thickness of selected steels have been presented. In the end of the article there are posted the requirements, that are established for steels created for constructional and ballistic safety shields in marine vessels. (…)

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