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Corrosion Analysis and Prevention Techniques on Marine Steel Structures faizin muhammad Hanif; doan novri; Muhammad umar wibisono; dinda balqis; fardin hasibuan
METALOGRAM Metalogram Vol.02 No.3 (August,2026)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v2i3.8105

Abstract

Steel structures used in marine environments are highly susceptible to corrosion due to direct exposure to electrolytic seawater, as well as fluctuations in temperature and salinity. This study aims to examine the corrosion mechanisms affecting marine steel and to evaluate the effectiveness of various protection methods, including protective coatings, corrosion inhibitors, and cathodic protection systems. The research methods include corrosion rate measurement through mass loss tests, surface morphology analysis using scanning electron microscopy (SEM), and electrochemical testing using Tafel and electrochemical impedance spectroscopy (EIS). Experimental results show that the highest corrosion rate occurs in the splash zone, which undergoes frequent wet-dry cycles, with a rate of 0.35 mm per year. A cathodic protection system using magnesium anodes successfully reduced the corrosion rate by up to 80%, while a dual-layer epoxy coating demonstrated optimal protection in high-salinity environments. These findings suggest that combining coating techniques with cathodic protection is the most effective strategy for mitigating corrosion in marine steel structures, particularly in areas exposed to harsh conditions. This research contributes to the development of more efficient and sustainable corrosion protection systems in marine engineering.
Non-Destructive Tecnhnique That Uses Sound Waves To Detect Flaws in Materials Kiki Dwi Putra; Lindo Rivaldi Butar-Butar; Brandon Brandon; Fardin Hasibuan
METALOGRAM Metalogram Vol.02 No.3 (August,2026)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v2i3.7452

Abstract

Non-destructive testing (NDT) is a crucial method for assessing the structural integrity of materials without causing damage. Among the various NDT techniques, the use of sound waves—such as ultrasonic testing—stands out for its precision and flexibility. This technique utilizes high-frequency sound waves to penetrate materials and detect defects such as cracks, voids, and inclusions. The method operates based on the interaction of sound waves with material boundaries, where imperfections reflect the waves, generating distinct signals. Advanced ultrasonic testing can provide detailed information on the size, location, and orientation of defects, enabling accurate material condition assessment. This abstract highlights the significance of sound wave-based NDT in industries such as aerospace, construction, and manufacturing to ensure safety, reliability, and cost efficiency. Further advancements in this technique can enhance accuracy and maintain structural integrity in critical applications.
Co-Authors Adlinizar, Muhammad Fahrell Agung Albaru Agung Albaru Albaru Ahmadi Bintan Putra Akhri Ramadhan Putra Akramunnas, Bastul Wajhi amiko amiko Aminuddin Aminuddin aminuddin aminuddin aminuddin Amrizal Amrizal Andrean Bastian Tawaris Angles Sihotang Ariel Saputra Arif Rahman Hakim Arif Rahman Hakim Arif Rahman Hakim Arif Rahman Hakim arvian enggal putra Arya Mahadika Ditoswar Aser Eben Ezer Sihombing Asraf Aulia Yondra Beny Gusman Bernath Matheus Borutnaban Boni Sena Brandon Brandon Chandly Tambunan Tambunan Dadang Redantan Delpero, M Arief Dimas Anugrah dinda balqis Dinda Balqis doan novri Dwi Cahyadi Putra Eddy Efiano Edo ardiansyah Faishal Dzaky Al Hakim Faizin Muhammad Hanif Fitri Ani Gabriel Batis Tasane Galang Rimba Nusantara Galang Rimba Nusantara Habib Rinaldy Habit Fariz Alqyfary Hadi Nurwahyudin Harry Kurniawan Ilham Safi'i Irvan Afriandi Ivan Mangisara Barimbing Ivan mangisara barimbing Jhon Nico Andreas silalahi Joy Adithia Tarigan Jumiati Ratuloli Kahfi Alwi Kasim Kiki Dwi Putra Kiki Dwi Putra Mahariyanto Kirana, Dois Dita Wahyu Ksatria Danuaji Kusuma, Bagus Lindo Rivaldi Butar-Butar Liston, Sony M Arif Delpero M arif delpero Missyamsu Algusri moh. abdul munif Mohammad Syaifullah Yusuf Muhamad Adriansyah Muhammad Alfarizhi Muhammad Alfharizi muhammad arif delpero Muhammad Derrio Muhammad Fachri Rizki Muhammad iman kuniawan Muhammad irsyam Muhammad Irsyam muhammad irsyam Muhammad Lyan syaputra Muhammad Lyan Syaputra Muhammad umar wibisono Muhammad Umar Wibisono Muhammadd Irsyam Nadia Amanah Nafisatul Khoeriyah Khoeriyah noval faturahman Nugroho Pratomo Ariyanto Nulhakim, Buyung Oloan Ritonga Putra, Deny Jaya Putra, Wendri Raflihuda Dwi Agusti rama roki siallagan Ribka Bernaditta Naibaho Robby Yandri Syaputra Rosdiana Rosdiana Safira Ma'asya Sena, Boni Sitio, Joni Mart Soe Pandi Sri Langgeng Ratnasari Stiven Ewin Sianipar Stiven Ewin Sianipar Subayu Siburian Supriyadi Supriyadi Tanto Suharjo Togu Juliaman Manullang Togu Julianman Manullang Toni Kusuma Wijaya Tri Jaya Widagdo Tri Tunggal SB Umar Umar Muhammad umar Wahyu Fernando Wahyu Wahyu Fernando Wajhi Akramunnas, Bastul Widagdo, Trijaya Yahya Hafiizh Arifin Yoga Parendi Yosua Luis Vigo Sitompul, Yosua Luis Vigo Yuki Alvandi Pratama yuki alvandi pratama Yulianta, Eka Chandra Yunasri, Yunasri