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All Journal Jurnal Dimensi Minda Baharu SIGMA TEKNIKA Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) Indonesian Journal of Electrical Engineering and Renewable Energy (IJEERE) METALOGRAM
Fardin Hasibuan
UNIVERSITAS RIAU KEPULAUAN
Aerospace Engineering 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 Other

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Effect of Hot Induction Bending Followed by Controlled Heat Treatment on the Mechanical and Microstructural Behavior of API 5L X65 Carbon Steel Pipes Hasibuan, Fardin; Yosua Luis Vigo Sitompul, Yosua Luis Vigo; Hakim, Arif Rahman; Sitio, Joni Mart
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 69 No 3 (2025): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Publisher : International Society of Ocean, Mechanical and Aerospace -scientists and engineers- (ISOMAse)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36842/jomase.v69i3.562

Abstract

This study examines the mechanical and microstructural behavior of API 5L X65QS/QO PSL2 seamless carbon steel pipes subjected to a hot induction bending process followed by quenching and tempering. The research aimed to evaluate the combined effect of mechanical deformation and heat treatment on the material’s strength, hardness, and toughness. Experimental procedures were performed on a 12-inch seamless pipe bent at 900 ± 15 °C, quenched in agitated water at 15 °C, and tempered at 660 ± 15 °C. Mechanical testing revealed that the Ultimate Tensile Strength (UTS) and Yield Strength (YS) increased by approximately 8.5%, while hardness decreased slightly from 215 HV to 210 HV. Elongation improved from 29% to 32%, indicating enhanced ductility. Microstructural analysis showed a fine ferrite–pearlite structure with an ASTM grain size number greater than 8, confirming effective grain refinement achieved through controlled heat treatment. Overall, the combined hot induction bending, quenching, and tempering processes successfully produced a fine-grained material with improved strength, ductility, and toughness, demonstrating its suitability for high-performance and high-pressure pipeline applications.
Mechanical Integrity and Weld Characterization of FCAW and GTAW Joints on API 5L CO2 Fire Suppression Pipes Delpero, M Arief; Hasibuan, Fardin; Putra, Wendri; Nulhakim, Buyung
Journal of Ocean, Mechanical and Aerospace -science and engineering- Vol 69 No 3 (2025): Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse)
Publisher : International Society of Ocean, Mechanical and Aerospace -scientists and engineers- (ISOMAse)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36842/jomase.v69i3.558

Abstract

This study investigates the mechanical and macro structural performance of welded joints produced by Flux-Cored Arc Welding (FCAW) and Gas Tungsten Arc Welding (GTAW) on API 5L Grade B low-carbon steel pipes used in marine CO2 fire suppression systems. The experimental work involved tensile, bending, hardness, and macro structural tests to evaluate the influence of each welding process on joint integrity. Both FCAW and GTAW joints exhibited high mechanical strength, with ultimate tensile strengths of 506MPa and 516MPa, respectively, exceeding the minimum requirement for API 5L Grade B steel. Fracture occurred in the base metal rather than the weld zone, confirming the superior strength and sound fusion quality of the joints. GTAW demonstrated slightly higher tensile performance and cleaner weld morphology due to the controlled heat input and stable arc achieved with 100% argon shielding, whereas FCAW produced marginally higher hardness in the heat-affected zone due to CO?-induced cooling effects. Macro structural analysis revealed complete penetration and the absence of porosity, slag inclusions, or cracks in both processes. The results comply with AWS D1.1 and ASME Section IX standards, confirming that both welding methods or their hybrid application are suitable for producing safe, reliable, and regulation-compliant marine fire suppression pipelines.
The Effect Of Vibration On User Comfort In Motor Vehicles pratama, yuki alvandi; munif, moh. abdul; delpero, M arif; siallagan, rama roki; Hasibuan, Fardin
METALOGRAM Metalogram Vol.02 No.01 (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 Khoeriyah, Nafisatul Khoeriyah; barimbing, Ivan mangisara; Andreas silalahi, Jhon Nico; Saputra, Ariel; Hasibuan, Fardin; Irsyam, Muhammad
METALOGRAM Metalogram Vol.02 No.01 (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.
Analysis of Wind Energy Potential and Technical Evaluation of a Small-Scale Wind Turbine for Electricity Generation in Batam, Indonesia Hasibuan ST.MT, Fardin; syaputra, Muhammad Lyan; irsyam, Muhammad; faturahman, noval; kuniawan, Muhammad iman
METALOGRAM Metalogram Vol.02 No.01 (December,2025)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v2i1.8692

Abstract

Wind energy represents one of Indonesia’s most promising renewable energy resources, with a national potential estimated at approximately 60 GW. However, its implementation remains limited due to insufficient site-specific assessments and feasibility studies. This research analyzes the wind energy potential at Galang District Beach, Batam City, and evaluates the technical suitability of the Sky Dancer 500 (TSD 500) wind turbine equipped with inversed-taper blades for small-scale electricity generation. A descriptive quantitative method was employed using secondary wind speed data from NASA (2014–2018) and primary measurements collected continuously for 30 days. Results show that Galang District Beach, Batam City exhibits average wind speeds ranging from 4 to 13.41 m/s, with a maximum recorded speed of 13.41 m/s. Based on technical analysis, low-speed wind characteristics align well with the operational profile of a horizontal-axis wind turbine utilizing inversed-taper blades. Estimations indicate that the TSD 500 turbine can generate 390–500 Wh of electricity per day under the observed wind conditions. These findings demonstrate that the site possesses adequate potential for micro-scale wind power development, and deploying ten units of the TSD 500 turbine could supply daily electrical needs for approximately ten households. The study contributes to the growing body of literature on decentralized renewable energy solutions for remote and coastal communities in Indonesia..
Analysis of Resonance Characteristics of Multi-storey Buildings Based on Microtremor Measurements Derrio, Muhammad; Pandi, Soe; Ezer Sihombing, Aser Eben; Tarigan, Joy Adithia; Hasibuan, Fardin
METALOGRAM Metalogram Vol.02 No.01 (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
Optimizing Material Selection and Manufacturing Processes For Enhanced Drill Bit Performance Syaputra, Robby Yandri; Barimbing, Ivan Mangisara; Syaputra, Muhammad Lyan; Borutnaban, Bernath Matheus; hasibuan, fardin; Irsyam, Muhammadd
METALOGRAM Metalogram Vol.02 No.01 (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.
Analysis of Weld Defects and Their Solutions in Manual Welding of Carbon Steel Albaru, Agung; Syaputra, Muhammad Lyan; Balqis, Dinda; Afriandi, Irvan; Hasibuan, Fardin
METALOGRAM Metalogram Vol.02 No.01 (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
PENERAPAN ALAT OTOMATIS PENDETEKSI DAN PENGUSIR MONYET UNTUK MENINGKATKAN PRODUKSI PERTANIAN DI AREAL PERTANIAN REMPANG CATE BATAM Hasibuan ST.MT, Fardin; Irsyam, Muhammad; Wijaya, Toni Kusuma; Sianipar, Stiven Ewin; ardiansyah, Edo; Ratuloli, Jumiati; Parendi, Yoga
MINDA BAHARU Vol 9, No 2 (2025): Minda Baharu
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/jmb.v9i2.8342

Abstract

Alat pendeteksi dan pengusir monyet otomatis berbasis Convolutional Neural Network (CNN) dengan mikrokontroler Raspberry Pi dikembangkan untuk mengatasi permasalahan hama monyet yang kerap merusak tanaman di perkebunan kelompok Tani Tunas Baru. Sistem ini menggunakan kamera webcam untuk mendeteksi keberadaan monyet dalam radius hingga 35 meter dan menghasilkan suara tembakan yang terdengar hingga 250 meter guna mengusir hama secara otomatis. Energi listrik untuk alat ini diperoleh dari panel surya karena areal pertanian tersebut belum terjangkau oleh jaringan listrik. Implementasi alat menunjukkan hasil yang signifikan, yaitu penurunan kerusakan tanaman dari rata-rata sembilan pohon menjadi hanya tiga pohon per serangan monyet, atau setara dengan penurunan sebesar 67%. Teknologi ini menjadi solusi yang lebih efektif dan efisien dibandingkan metode manual yang membutuhkan penjagaan secara terus-menerus. Proyek ini mengusung inovasi modern yang relevan dengan kebutuhan lokal, dengan mengintegrasikan sumber energi terbarukan dan teknologi deteksi berbasis citra. Selain itu, sistem ini berpotensi untuk direplikasi di wilayah lain yang menghadapi permasalahan serupa, guna mendukung ketahanan pangan dan meningkatkan kesejahteraan masyarakat pedesaan melalui solusi yang inovatif dan berkelanjutan.
Co-Authors Adlinizar, Muhammad Fahrell Akramunnas, Bastul Wajhi Albaru, Agung Albaru, Agung Albaru aminuddin, aminuddin aminuddin Andreas silalahi, Jhon Nico ardiansyah, Edo Arif Rahman Hakim Arif Rahman Hakim Balqis, Dinda barimbing, Ivan mangisara Borutnaban, Bernath Matheus Delpero, M Arief delpero, M arif delpero, muhammad arif Derrio, Muhammad Ditoswar, Arya Mahadika Ezer Sihombing, Aser Eben faturahman, noval Fernando, Wahyu Wahyu Hafiz, Abdul Hanif, Faizin Muhammad Irsyam, Muhammadd Irvan Afriandi Khoeriyah, Nafisatul Khoeriyah Kirana, Dois Dita Wahyu kuniawan, Muhammad iman Kusuma, Bagus Liston, Sony Manullang, Togu Juliaman Muhammad Irsyam, Muhammad Muhammad umar, Umar Umar munif, moh. abdul Nugroho Pratomo Ariyanto Nulhakim, Buyung Nusantara, Galang Rimba Pandi, Soe Parendi, Yoga pratama, yuki alvandi Putra, Ahmadi Bintan Putra, Arvian Enggal Putra, Deny Jaya Putra, Wendri Ratuloli, Jumiati Rizki, Muhammad Fachri Saputra, Ariel Sena, Boni siallagan, rama roki Sianipar, Stiven Ewin Sihombing, Aser Eben Ezer Sihotang, Angles Sitio, Joni Mart Syaputra, Muhammad Lyan Syaputra, Robby Yandri Tambunan, Chandly Tambunan Tarigan, Joy Adithia Toni Kusuma Wijaya, Toni Kusuma Tri Jaya Widagdo Wajhi Akramunnas, Bastul Wibisono, Muhammad Umar Widagdo, Trijaya Yondra, Asraf Aulia Yosua Luis Vigo Sitompul, Yosua Luis Vigo Yulianta, Eka Chandra Yunasri, Yunasri Yusuf, Mohammad Syaifullah