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All Journal Jurnal Dimensi Riau Journal of Empowerment Minda Baharu Jurnal Eduscience (JES) SIGMA TEKNIKA Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) Indonesian Journal of Electrical Engineering and Renewable Energy (IJEERE) METALOGRAM TEKNOSAINS: Jurnal Sains, Teknologi dan Informatika
Fardin Hasibuan
UNIVERSITAS RIAU KEPULAUAN
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences Other

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Analysis of Resonance Characteristics of Multi-storey Buildings Based on Microtremor Measurements Muhammad Derrio; Soe Pandi; Aser Eben Ezer Sihombing; Joy Adithia Tarigan; Fardin Hasibuan
METALOGRAM Metalogram Vol.02 No.1 (December,2025)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v2i1.7814

Abstract

The diverse functions of buildings today require designs that minimize potential damage, particularly from natural disasters. Earthquakes are one of the natural disasters that pose a significant threat to buildings. For example, the earthquake that occurred in Yogyakarta in 2023 caused damage to various building facilities. This study aims to identify the vulnerability level of buildings using microtremor data to obtain the natural frequency value of the building (fb), building resonance index (R), and building vulnerability index (Kb). This research has been carried out in multi-storey buildings by measuring natural frequencies on the building and its basic land. The recorded vibration data were analyzed with the H / V technique to get its natural frequency value. The measurement results of building floor vibrations using the GPL-6A3P accelerometer show that the natural frequency
Toughness and Structural Analysis of Welds and HAZ of Sumerged Arc Welding on SM 490 Steel Stiven Ewin Sianipar; fardin hasibuan; Muhammad Lyan Syaputra
METALOGRAM Metalogram Vol.01 No.3 (August,2025)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v1i03.8144

Abstract

The welding process is a metal joining method that utilizes high heat energy, which can trigger changes in the microstructure, deformation, and the emergence of residual stress in the area around the joint. This study aims to examine the impact of variations in heat input in the Submerged Arc Welding (SAW) process on the microstructure and toughness of SM 490 steel, especially in the weld area and heat-affected zone (HAZ). The SAW method was chosen because it has high efficiency, is easy to automate, and is able to produce good quality joints. This study used three levels of heat input, namely 2.1 kJ/mm, 3.16 kJ/mm, and 4.3 kJ/mm. Based on the test results, increasing heat input causes slower cooling, which affects the formation of microstructures such as ferrite at the grain boundary, acicular ferrite, Widmanstätten ferrite, bainite, and martensite. Acicular ferrite with fine size and interlocking pattern is known to contribute to increasing the toughness of welded joints. The maximum toughness in the weld zone, amounting to 117 Joules, was achieved at a heat input of 3.16 kJ/mm with a test temperature of 0°C. Meanwhile, the best toughness value in the HAZ of 17.5 Joules was recorded at a heat input of 2.1 kJ/mm at a temperature of -20°C. The results of this study confirm that appropriate heat input settings are very important to obtain optimal microstructure and toughness in welding SM 490 steel using the SAW method
Optimizing Material Selection and Manufacturing Processes For Enhanced Drill Bit Performance Robby Yandri Syaputra; Ivan Mangisara Barimbing; Muhammad Lyan Syaputra; Bernath Matheus Borutnaban; fardin hasibuan; Muhammadd Irsyam
METALOGRAM Metalogram Vol.02 No.1 (December,2025)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v2i1.7432

Abstract

Drill bit performance is significantly influenced by material selection and manufacturing processes. This study optimizes material choices and advanced manufacturing techniques to enhance drill bit performance. By evaluating mechanical properties, wear resistance, and thermal stability of various materials, the research identifies the most suitable options for specific drilling conditions. Additionally, the impact of advanced manufacturing methods, such as additive manufacturing and precision machining, is explored to improve accuracy, durability, and efficiency. The results demonstrate improvements in drill bit performance, including reduced wear and extended operational lifespan. This research contributes to the development of more efficient and durable drill bits.
Effectiveness Analysis Of Centrifugal Pump Maintenance System For Performance Optimization At Pt. Sumber Air Abadi yuki alvandi pratama; Togu Juliaman Manullang; Muhammad Umar Wibisono; Arya Mahadika Ditoswar; Fardin hasibuan
METALOGRAM Metalogram Vol.01 No.3 (August,2025)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v1i03.7971

Abstract

This paper analyzes the centrifugal pump maintenance system and its impact on the effectiveness of pump performance at Perusahaan Sumber Air Abadi. The study identifies current maintenance practices, evaluates their effectiveness in preventing failures and optimizing pump operation, and proposes improvements for better system reliability and efficiency. Data were collected from maintenance records, pump performance, and personnel interviews. The findings indicate key areas for improvement in preventive maintenance scheduling, spare parts management, and personnel training. Implementation of these recommendations is expected to improve pump performance, reduce downtime, and contribute to the company's overall operational efficiency. The main focus is on the transition to a proactive maintenance culture through technology adoption and continuous skills development.
Application Of Fcaw Welding Techniques In Supply Boat Manufacturing At Pt Vallianz Arvian Enggal Putra; Fardin Hasibuan
METALOGRAM Metalogram Vol.01 No.3 (August,2025)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v1i03.8160

Abstract

FCAW is a semi-automatic welding method that offers advantages in welding speed, weld quality, and flexibility in various welding positions. The process begins with equipment preparation, selecting welding parameters according to the Welding Procedure Specification (WPS) standard, and then carrying out welding using root pass, fill pass, and cap pass techniques. Evaluation of welding results is carried out through visual inspection and non-destructive testing (NDT), such as Magnetic Particle Inspection (MPI) and Ultrasonic Thickness Testing (UT) to ensure the quality and integrity of the joint. The results show that the FCAW method is highly effective in supply boat fabrication, especially when supported by good work procedures, adequate operator skills, and strict quality control. This research is expected to provide a practical overview and serve as a reference for students and industry in implementing welding technology in the shipping sector.
Analysis of Weld Defects and Their Solutions in Manual Welding of Carbon Steel Agung Albaru; Muhammad Lyan Syaputra; Dinda Balqis; Irvan Afriandi; Fardin Hasibuan
METALOGRAM Metalogram Vol.02 No.1 (December,2025)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v2i1.7978

Abstract

Welding is one of the most commonly used metal joining processes in the manufacturing and construction industries. However, this process often results in defects in the weld joint, especially in manual welding of carbon steel, which can affect the quality and strength of the joint. This study aims to analyze the types of welding defects that occur in manual welding of carbon steel, identify their main causes, and provide technical solutions to minimize such defects. The methods used include visual inspection, penetrant testing (PT), and macrostructure examination of the welded joints. The results show that the most common defects found are porosity, undercut, incomplete fusion, and slag inclusion. The primary causes of these defects include improper welding parameter settings, inadequate cleanliness of the metal surface, and the skill level of the operator. As solutions, it is recommended to conduct regular operator training, adjust current and voltage according to the type of electrode used, and ensure proper surface preparation before welding. This study is expected to serve as a reference for industry practitioners in improving the quality of carbon steel weld joints
The Effect Of Vibration On User Comfort In Motor Vehicles yuki alvandi pratama; moh. abdul munif; M arif delpero; rama roki siallagan; Fardin Hasibuan
METALOGRAM Metalogram Vol.02 No.1 (December,2025)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v2i1.7972

Abstract

Vibration is an unavoidable physical phenomenon in motor vehicle operation and is a dominant factor affecting user comfort. Excessive and prolonged exposure to vibration can trigger various negative responses in humans, ranging from fatigue and physiological discomfort to long-term health risks such as musculoskeletal and neurological disorders. This paper presents a comprehensive review of the effects of vibration on the comfort of motor vehicle users. The discussion includes the identification of vibration sources (internal and external), the mechanisms of vibration transmission through the vehicle structure, and the biomechanical response of the human body to whole-body vibration (WBV). In addition, this paper reviews vibration measurement and analysis methods based on international standards, analyzes the physiological and psychological impacts of vibration, and discusses vibration mitigation strategies applied in modern vehicle design, including passive, semi-active, and active suspension systems, as well as ergonomic seat design. Case studies of mitigation technology applications are also included to provide a practical overview. Finally, this paper identifies existing challenges and future research directions in an effort to improve vehicle user comfort and well-being.
Experimental Study of Mechanical Vibrations in Vehicle Suspension Systems Nafisatul Khoeriyah Khoeriyah; Ivan mangisara barimbing; Jhon Nico Andreas silalahi; Ariel Saputra; Fardin Hasibuan; Muhammad Irsyam
METALOGRAM Metalogram Vol.02 No.1 (December,2025)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v2i1.7809

Abstract

This study reviews and analyzes vertical vibrations in the suspension system of passenger vehicles, focusing on the McPherson strut configuration. By synthesizing findings from previous experimental research employing vibration test benches like the UKA-3.5E, the dynamic response of suspensions under varying frequencies and tire inflation pressures is examined. Results indicate that tire pressure significantly influences vibration amplitude and duration, aligning with theories that model tire stiffness as a parallel spring element affecting overall suspension dynamics. The analysis also highlights the effectiveness of multi-sensor approaches, including proximity sensors and load cells, in capturing real-time vibrational behavior. Understanding these relationships is vital for optimizing suspension performance and developing strategies to reduce vibrations, thereby improving vehicle stability, occupant comfort, and safety.
Simulation Study of Galvanic Interaction in Alloy Metal Combinations in Acidic Environments Galang Rimba Nusantara; Habit Fariz Alqyfary; Dimas Anugrah; Gabriel Batis Tasane; 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.v2i3.7869

Abstract

Galvanic corrosion is a form of material degradation that occurs due to the electrochemical potential difference between two dissimilar metals in contact within an electrolytic environment. This study aims to simulate galvanic interactions between various alloy metal combinations under acidic conditions, with the objective of identifying the metal pairs most susceptible to corrosion and evaluating the resulting corrosion rates. The simulation was carried out using a numerical approach based on finite element method (FEM)-based software, which enables detailed visualization of galvanic current distribution and electrochemical potential mapping. The simulation results indicate that metal combinations with greater electrochemical potential differences exhibit significantly higher corrosion rates, particularly affecting the metal acting as the anode. Furthermore, the acidity level (pH) of the environment was found to have a direct impact on the intensity of the corrosion process. This study provides a scientific foundation for safer material selection in structural design and mechanical systems operating in aggressive environments, and offers initial recommendations for mitigating galvanic corrosion.
Effectiveness Analysis of An Acid-Based Commercial Cleaner (Harpic) and A Corrosion Inhibitor (Wd-40) on A Motorcycle Fuel Tank Aminuddin Aminuddin; Safira Ma'asya; Tri Tunggal SB; Muhammad Alfarizhi; 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.v2i3.7856

Abstract

Corrosion in steel fuel tanks is a common problem that can impair engine performance. This study aims to evaluate the effectiveness of a low-cost restoration method on a severely corroded motorcycle tank. The methodology employed was a case study with a sequential application: a 72-hour immersion in a hydrochloric acid-based cleaner (Harpic) to dissolve iron oxides, followed by the application of a water-displacing corrosion inhibitor (WD-40) as a temporary protectant. Effectiveness was evaluated through comparative visual inspection at each stage of the process. The observational results show that this method successfully removed the majority of corrosion products (rust) and restored the base metal surface. The application of the corrosion inhibitor proved effective in preventing the occurrence of flash rust over a one-week observation period. With a total cost of approximately $9.50 USD, this method offers 90%+ cost savings compared to tank replacement. It is concluded that this combination of commercial products offers a functional and affordable solution for short-term restoration and protection, with the key caveats that the evaluation is qualitative and the protection is not permanent.
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