Low velocity impact behavior of Al wire reinforced layered composite

The layered composite was produced by curing the rubber blended PU polymer together with 1050 Al sheets in a special mold. Various rows of Al wire screen were used to reinforce the polymer layer. A new method to produce a reinforced composite panel in one spot was tested. Low velocity impact test was carried out with a specially manufactured weight reduction impact device according to ASTM D7136/D7136M-12 test standard. Weight drop tests were performed at 5 different energy levels (40J, 60J, 80J, 100J and 120J) to examine the impact behavior of the specimens at different energy levels. Force-time histories were recorded for each test. The "energy-time" and "force-displacement" variations were also obtained by kinematic analysis performed in accordance with ASTM D7136/D7136M-12 standard. No puncture occurred in any specimen. Since the specimens were layered, penetration was observed only in the top layer. In addition to all these curves, the maximum force values, the energy absorbed by the layered composite structure and the indentation depth of the impact tip obtained from the low-speed impact test are also shown. Damage to the layered composite structures after impact was investigated. The production of Al wire reinforced polymer core layered composite was successfully realized in one spot. No significant effect of Al screen reinforcement in the polymer layer was observed on the low velocity impact response, except for the tests at 120 J.