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Damisih
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Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology

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The Influence of Anodizing Electrolyte Concentration on Ni-P Deposition on Anodic Aluminum Oxide (AAO) Rizkia, Vika; Susanto, Iwan; Belyamin; Garjati, Vina Nanda; Hapsari, Ade Utami; Raharjo, Jarot; Damisih; Pravitasari, Retna Deca
Jurnal Sains Materi Indonesia Vol. 27 No. 1 (2025): Jurnal Sains dan Materi Indonesia
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/jsmi.2025.9708

Abstract

Aluminum alloys suffer from deficiencies in surface performance due to insufficient resistance to corrosion and mechanical qualities in harsh environments. Therefore, it is crucial to apply a protective surface modification during the manufacturing process of the aluminum component. The electroless deposited Ni-P shows great potential as a protective coating due to its simple manufacturing process and outstanding performance. This study investigates the effect of oxalic acid concentration in the anodizing process on electroless Ni-P coating. In this study, Anodic Aluminum Oxide (AAO) is formed by an anodizing process on 0.3,0.5, and 0.7 oxalic acids prior to Ni-P electroless deposition. The resulting Ni-P layer has a nodular-like morphology with a size in the order of 0.5 m or less. Moreover, the AAO surface is covered by a thin and tightly formed layer of nickel particles. The EDX analysis shows the oxygen percentage falls by up to 70% after Ni deposition in all anodizing parameters, as compared to the anodized specimens alone. In addition, the nickel content gradually decreases as the concentration of oxalic acid increases from 0.3 M to 0.7 M.
Co-Authors Belyamin Garjati, Vina Nanda Hapsari, Ade Utami Iwan Susanto Jarot Raharjo Pravitasari, Retna Deca Vika Rizkia