This project is aimed to study the behaviour of structural joint damage, aluminum and fiberglass, sotrong cylinder under axial impact. By the enclosed materials, fibre reinforced types This project, executed by the trial method by using the work piece is structural pipe joint between aluminum accounted for per diameter thickness (D/t ratio) equal to 21.16, 25.40, 31.75, 37.04 and epidermis of the aluminum tube is covered with materials, types of fibers reinforced fiberglass/polyester. In a study to make format changes to views of the fibers that hold 3 format is [0], [90], [45], [02], [902], [0/90, 90/0], [+ 45/45], [03], [903], [0/902], [90/02], [902/0], [02/90], [+ 45/ -452] and the parts to do the test in axial impact by weight 30 kg and has a speed of 7 m/s shocks.
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