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All Journal Jurnal Fisika Unand Jurnal Riset Kimia JOURNAL ONLINE OF PHYSICS SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Jurnal Pengabdian Magister Pendidikan IPA GERVASI: Jurnal Pengabdian kepada Masyarakat Jurnal Kumparan Fisika Reswara: Jurnal Pengabdian Kepada Masyarakat Jurnal Pendidikan Fisika dan Sains (JPFS) LOSARI: Jurnal Pengabdian Kepada Masyarakat Jurnal Masyarakat Madani Indonesia Charm Sains : Jurnal Pendidikan Fisika Physikos: Journal of Physics and Physics Education
Nggolaon, Delpina
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Journal : Jurnal Riset Kimia

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Corrosion Analysis on Stainless Steel (SS304) Using A Coating Method Based On Silica from Natural Sand of Hukurila Village Silahooy, Stevi; Branchiny Imasuly, Geovanny; Latuny, Wilma; Nggolaon, Delpina
Jurnal Riset Kimia Vol. 16 No. 2 (2025): September
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jrk.v16i2.808

Abstract

Corrosion analysis was performed on stainless steel (SS304) coated with silica extracted from silica sand in Hukurila Village using the coprecipitation method. The XRF results showed an increase in silica content from 58.118% to 81.247%, indicating high purity. XRD testing revealed that the silica was amorphous, while SEM analysis showed that the silica powder particles were irregular in shape and size, and tended to undergo agglomeration. The silica was then applied as a coating on SS304 using Nippon Paint with silica-to-paint weight ratios of 95:5, 90:10, and 80:20. The samples were tested in a 3.5% NaCl solution for 7 days using polarization methods on a potentiostat to measure corrosion resistance. The results showed that the 80:20 weight ratio provided the highest improvement in corrosion resistance. This enhancement is attributed to the more compact and uniform coating structure formed at higher silica loading, which effectively minimizes micro-pores, strengthens the barrier effect, and suppresses localized pitting corrosion.
Co-Authors Akyuwen, Frandy Alif Nur Laili Rachmah Altje Latununuwe Alzagladi, Safina Utari Badaruddin, Sabrianah Branchiny Imasuly, Geovanny Ervina Rumpakwakra Estevanus Kristian Huliselan Fitrianingrum, Aufa Maulida Gede Wiratma Jaya Gede Wiratma Jaya, Gede Wiratma Hattu, Nikmans I Wayan Darmadi Ivonne Telussa Kesaulya, Noke Kololu, Micky Kurniahtunnisa Kurniahtunnisa Latuny, Wilma Latupeirissa, Jolantje Marcia Violetha Rikumahu MUHAMMAD ALI Pada, Samuel Simra Rahanra, Geraldi Ramadhan, Aditya Ririhena, Yohana Samsul Bahri Silahooy, Stevi Silahoy, Stevi Taipabu, Muhammad Ikhsan Thohirah, Afifah Trisnantari, Tamaratritania Citta Zulfiah