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Abstract
One type of metal alloy often chosen by aircraft builders as a material for making aircraft structures is 2024 T-3 aluminum alloy. It has a high strength-to-weight ratio due to its mechanical characteristics, making it excellent for use in aircraft. 2024-T3 aluminum alloy has a low level of corrosion resistance. Because of this, aircraft manufacturers coat 2024-T3 aluminum alloy with a thin layer of pure aluminum that has a coating thickness of 30 to 50 mm and highly corrosion-resistant qualities on its surface. However, pure aluminum has a very thin surface and poor current resistance. In this study using the electroplating method by making or designing a tool that can coat a material using a nickel coated material, namely Aluminum alloy 2024 T3. This study uses variations in electroplating time, with Rotor and Aerator Variations where electroplating comparisons are made in each specified Variation. For tensile testing of aluminum alloy 2024 T-3 with rotor variations of 80 rpm, 90 rpm, and 100 rpm, this test was conducted to determine the effect of rotor rotation on tensile strength, hardness and thickness of electroplating results using nickel on aluminum material 2024 T-3 It can be seen for tensile testing of specimens with the highest results found in 100 rpm specimens, namely 387.29 Mpa Therefore, the results of the test can be seen the higher the rotor rotation, the higher the tensile strength value. Then for Vickers Hardness testing with rotor variations where the highest hardness results were achieved in the 80 rpm specimen with an average value of 165.59 kgf/mm². As for the results of the thickness value in the 100 rpm variation, the highest value is 95.046 μm.