Syamsuir, Ferry Budhi Susetyo, Bambang Soegijono, Sigit Dwi Yudanto, Basori, Maman Kartaman Ajiriyanto, Daniel Edbert, Evi Ulina Margaretha Situmorang, Dwi Nanto, Cahaya Rosyidan
This study examines the influence of the application of a rotating magnetic field in the electrodeposition of copper (Cu). During the electrodeposition, five constant magnets were rotated (500 and 800 rpm) towards the bottom of the sample. To investigate deposition rate, surface morphology, phase, structure, corrosion resistance, and hardness in deposited Cu using a weighing scale, a scanning electron microscope equipped with energy dispersive spectroscopy (SEM-EDS), X-ray diffraction (XRD), potentiodynamic polarization, and hardness tester respectively. Bacterial activity was also evaluated through this research. Morphological surface observations showed that the increase in the rotational speed of the magnets during the electrodeposition process led to a smooth surface. A perfect Cu phase covers Al alloy with no oxide. The potentiodynamic polarization demonstrated by the increase in the rotating led to a shift to the more positive value of the corrosion potential. Moreover, the corrosion current also decreases with the increase in the rotating speed of the magnets. Less crystallite size promoted forming a higher hardness and inhibition zone of the Cu films. © Syamsuir et al.
Department of Mechanical Engineering, Universitas Negeri Jakarta, 13220, Indonesia; PROUDTEK. Lab, Department of Geoscience, Universitas Indonesia, 16424, Indonesia; Research Center for Metallurgy-National Research and Innovation Agency, 15314, Indonesia; Department of Mechanical Engineering, Universitas Nasional, 12520, Indonesia; Research Center for Nuclear Fuel Cycle and Radioactive Waste Technology – National Research and Innovation Agency, 15314, Indonesia; Department of Microbiology, School of Medicine and Health Sciences, Atma Jaya Catholic University of Indonesia, 14440, Indonesia; Department of Physiology and Physics, School of Medicine and Health Sciences, Atma Jaya Catholic University of Indonesia, 14440, Indonesia; Department of Physics Education, UIN Syarif Hidayatullah, 15412, Indonesia; Department of Petroleum Engineering, Universitas Trisakti, 11440, Indonesia
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