{"id":8670,"date":"2026-06-27T14:33:18","date_gmt":"2026-06-27T06:33:18","guid":{"rendered":"\/jase\/?post_type=tkuisotope&p=8670"},"modified":"2026-06-27T16:29:39","modified_gmt":"2026-06-27T08:29:39","slug":"jase-202610-33-018","status":"publish","type":"tkuisotope","link":"\/jase\/?tkuisotope=jase-202610-33-018","title":{"rendered":"Neodymium magnet rotating speed-assisted Cu electroplating in sulfate solution over an Al alloy substrate to enhance corrosion resistance, hardness characteristics, and antibacterial properties"},"content":{"rendered":"\n
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<\/i> 2026<\/a><\/p>\n<\/div>\n\n\n\n

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<\/i> Volume 33<\/a><\/p>\n<\/div>\n\n\n\n

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Basori1<\/sup><\/i><\/a>, Ruliyanta2<\/sup>, Maman Kartaman Ajiriyanto3<\/sup>, Juan Carlos Sihotang3<\/sup>, Yusuf Gigih Wicaksono3<\/sup>, Sigit Dwi Yudanto4<\/sup>, Evi Ulina Margareta Situmorang5<\/sup>, Daniel Edbert6<\/sup>, Cahaya Rosyidan7<\/sup>, Dwi Nanto8<\/sup>, and Ferry Budhi Susetyo9<\/sup><\/p>\n\n\n\n

1<\/sup>Department of Mechanical Engineering, Universitas Nasional, Jakarta, 12520, Indonesia<\/p>\n\n\n\n

2<\/sup>Department of Electrical Engineering, Universitas Nasional, Jakarta, 12520, Indonesia<\/p>\n\n\n\n

3<\/sup>Research Center for Nuclear Material and Radioactive Waste Technology, National Research and Innovation Agency, Tangerang Selatan, Banten, 15314, Indonesia<\/p>\n\n\n\n

4<\/sup>Research Center for Metallurgy, National Research and Innovation Agency, Tangerang Selatan, Banten, 15314, Indonesia<\/p>\n\n\n\n

5<\/sup>Department of Physiology School of Medicine and Health Sciences, Atma Jaya Catholic University of Indonesia, Jakarta, 14440, Indonesia<\/p>\n\n\n\n

6<\/sup>Department of Microbiology School of Medicine and Health Sciences Atma Jaya Catholic University of Indonesia, Jakarta, 14440, Indonesia<\/p>\n\n\n\n

7<\/sup>Department of Petroleum Engineering, Universitas Trisakti, Jakarta, 11440, Indonesia<\/p>\n\n\n\n

8<\/sup>Department of Physics Education, UIN Syarif Hidayatullah, Jakarta, 15412, Indonesia<\/p>\n\n\n\n

9<\/sup>Department of Mechanical Engineering, Universitas Negeri Jakarta, Jakarta, 13220, Indonesia<\/p>\n<\/div>\n\n\n\n

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Received: December 13, 2025
Accepted: April 29, 2026
Publication Date: June 27, 2026<\/p>\n<\/div>\n<\/div>\n\n\n\n

\"\u4e0a\u50b3\u5716\u7247\"\n\n\n

Rotating magnetic influence apparatus [12]<\/p>\n<\/div>\n<\/div>\n\n\n\n

<\/i> Copyright <\/strong>The Author(s). This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0)<\/a>, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cited.<\/p>\n\n\n\n

Download Citation:\u00a0 BibTeX <\/a>| http:\/\/dx.doi.org\/10.6180\/jase.202610_33.018<\/a>\u00a0\u00a0<\/p>\n\n\n\n

Download PDF<\/a><\/p>\n\n\n\n

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Copper (Cu) coatings enhance the corrosion resistance, hardness, and antibacterial properties of aluminum (Al). To further optimize these traits, this study electroplated Cu onto an Al alloy under a rotating neodymium magnet at various speeds. The resulting pure, face-centered cubic (FCC) Cu films were comprehensively characterized. Results indicated that increasing the magnetic rotation speed decreased the deposition rate, current efficiency, and crystallite size, while simultaneously increasing the film\u2019s hardness, grain size, and corrosion potential. Ultimately, a magnetic rotation of 250 rpm proved optimal, producing a compact Cu film with maximum hardness, corrosion resistance, and bacterial inhibition.<\/p>\n\n\n\n

Keywords: surface morphology, crystallographic orientation, sodium chloride, Vickers, gram-positive bacteria<\/em><\/p>\n\n\n\n

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