Abstract
Abstract In the article there are summarized author’s results of research carried out in the Department of Basics of Marine Engineering of Polish Naval Academy for the last years. The results of those tests are listed in the selected publications that generally describe the improving impact resistance of the marine aluminium alloys. Using the ballistic dividers, sharing in the same thickness or applying the ceramics state the main methods to increase the impact resistance of the tested alloys. The interlayer aluminium structures are super effective. Their impact strength in relation to the monolithic material rise 3-times. This significantly improves their resistance to piercing by the 7.62 mm missile and the fragmentation (making shrapnel) decreases during the explosion. Each aluminium alloys are protected by the ballistic ceramics of 5 mm thickness with the fire caused by the missile of E = 3kJ. The Armox 500S steel can provide an effective protection for aluminium alloys as a ballistic divider during the fire by the 7,62 mm B32 missile.
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