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All Journal IAES International Journal of Artificial Intelligence (IJ-AI) Rekayasa Mesin JURNAL PASTI (PENELITIAN DAN APLIKASI SISTEM DAN TEKNIK INDUSTRI) Sinergi VANOS Journal of Mechanical Engineering Education Jurnal Teknik Mesin Science and Technology Indonesia Dinamisia: Jurnal Pengabdian Kepada Masyarakat Jurnal Abdi Masyarakat (JAM) Indonesian Journal for Social Responsibility International Journal of Advanced Technology in Mechanical, Mechatronics and Material (IJATEC) International Journal of Community Service Jurnal Abdimas ADPI Sains dan Teknologi Jurnal Rekayasa Energi dan Mekanika International Journal of Innovation in Mechanical Engineering and Advanced Materials Innovative: Journal Of Social Science Research AME (Aplikasi Mekanika dan Energi) : Jurnal Ilmiah Teknik Mesin Jurnal Polimesin
Dafit Feriyanto
Department Of Mechanical Engineering, Faculty Of Engineering, Universitas Mercu Buana, Jakarta, Indonesia
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Journal : Science and Technology Indonesia

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Sustainable Corrosion Protection of Stainless Steel 316L in Marine Environment Using Electrophoretically Deposited Garlic Extract Green Inhibitor: Electrochemical and Surface Analysis Arwati, IG. Ayu; Ginting, Dianta; Feriyanto, Dafit; Golwa, Gian Villany; Yuliarty, Popi; Tarigan, Kontan; Damar, Stenlly; Khuzaimah; Mashadi, Mashadi
Science and Technology Indonesia Vol. 11 No. 2 (2026): April
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2026.11.2.447-456

Abstract

The increasing demand for sustainable and environmentally friendly corrosion inhibitors has driven research toward green alternatives to conventional toxic inhibitors. This study investigates the corrosion protection performance of garlic extract (Allium sativum) as an eco-friendly green inhibitor for stainless steel 316L in 3.5% NaCl marine environment. The inhibition efficiency was evaluated using electrochemical potentiodynamic polarization techniques, complemented by comprehensive surface characterization through scanning electron microscopy with energy-dispersive X-ray spectroscopy (SEM-EDX), Fourier transform infrared (FTIR) spectroscopy, Raman spectroscopy, electrochemical impedance spectroscopy (EIS), and cyclic voltammetry analysis. Electrophoretic deposition (EPD) was employed to apply garlic extract concentrations of 8, 10, and 12 mL onto SS316L specimens. Results demonstrated significant corrosion rate reduction from 0.0082732 mmpy (unprotected specimen) to 0.0014547 mmpy with 12 mL garlic extract treatment, achieving maximum inhibition efficiency of 82%. EIS revealed substantial increase in charge transfer resistance (>170 kΩ), while electrochemical analysis demonstrated mixed-type inhibition behavior with reduced corrosion current densities. SEM-EDX confirmed the formation of protective Fe2+-allicin complex layers on the metal surface, while Raman spectroscopy showed substantial reduction in corrosion products (a-Fe2O3 and y-FeOOH) formation. Cyclic voltammetry demonstrated a five-order-of-magnitude reduction in diffusion rate, confirming exceptional barrier properties. The superior performance is attributed to the chemisorption of sulfur and oxygen-containing compounds in allicin molecules onto active steel sites, forming stable protective films. This green inhibitor demonstrates excellent potential for sustainable corrosion protection in marine and industrial applications, offering an environmentally benign alternative to synthetic inhibitors.
Co-Authors A. M. Leman A.N. Aizat Ahmad A.N. Aizat Ahmad, A.N. Aizat Abda Abda Abdi Wahab Abdul Mutalib Leman Abdulmalik, Samir Sani Abdulmalik, SS. Adinarto, Tri Wahyu Agung Wahyudi Biantoro Albert Phak Jie Wong Andi Adriansyah Andi Adriansyah Andi Adriansyah Andi Adriansyah Andi Firdaus Sudarma Anggara, Fajar Annisa Hakim Zamzami Asep Setia Kristanto Chollacoop, Nuwong Damar, Stenlly Darwin Sebayang Dedik Romahadi Deni Shidqi Khaerudini Dewi Kusuma Arti Dian Primanita Oktasari Dwilestari, Charisma Elly Yuliawati Erna Setiany Feleke, Aberham Genetu Firmansyah, Mohamad Ardy Fitri , Muhammad Fransisca Listyaningsih Utami Gerald Ensang Timuda Gian Villany Golwa Ginting, Dianta Hadi Pranoto Hadi Pranoto Hadi Pranoto Hafidz IH, Muhammad Hari Setiyawati Hasan Basri Himma Firdaus I Gusti Ayu Arwati Imam Hidayat Indradewa, Rhian istiqomah istiqomah Julpri Andika KHUZAIMAH Kurniawan Kurniawan Leman, Abdul Mutalib Listyaningsih, Fransiska M. Azizi Mashadi Mashadi Mohamad Abror Muhamad Fitri Muhammad Imran Muthia Rahayu Nanang Ruhyat Nono Darsono, Nono Noviyanto, Alvian Nur, Hery Nurato Nurato , Nurato NURUL HIDAYAH Octaviani, Ana Nur Pradipta, Nanang K. Pratiwi, Riri R Dwi Pudji Susilo Rachmanu, Fatkur Radityan, Fatwa Tresna Raflan Rajendra, Fajar Cahyadi Ramadhan, Kurnia Resista Vikaliana Rizki Briandana S.S. Abdulmalik S.S. Abdulmalik Sagir Alva Siang, Alan Ooi Lim Sidik, Muhamad Afifi Muhamad Sulaiman Hj. Hasan Sulaiman Hj. Hasan, Sulaiman Hj. Supaat Zakaria Supaat Zakaria Supaat Zakaria Supaat Zakaria Supaat Zakaria Tarigan, Kontan Wang Dong Wijaya, Fathoni Putra Yananto Mihadi Putra Yuliarty, Popi Zaenudin Zaenudin Zakaria, Supaat Zakaria, Supaat