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All Journal Jurnal Dimensi 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

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Journal : METALOGRAM

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MATERIAL SELECTION AND MANUFACTURING PROCESS OPTIMIZATION OF MARINE PROPELLERS delpero, muhammad arif; Putra, Ahmadi Bintan; aminuddin, aminuddin aminuddin; hasibuan, fardin
METALOGRAM Metalogram Vol.01 No.02 (April,2025)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v2i1.7459

Abstract

Marine propellers are essential components in ship propulsion systems, and their performance significantly impacts the overall efficiency of vessels. This paper presents a literature review on the optimization of material selection and manufacturing processes for marine propellers. The study explores the advantages and disadvantages of commonly used materials, including brass, bronze, and stainless steel, with a particular focus on their strength, corrosion resistance, cavitation resistance, and cost-effectiveness. Furthermore, the paper examines various manufacturing processes employed in propeller production, such as casting, forging, and machining, analyzing their impact on the final product's quality, precision, and performance. This review aims to provide a comprehensive understanding of the key considerations in material selection and manufacturing process optimization for marine propellers, ultimately contributing to the development of more efficient and durable propeller designs.
Application Of Fcaw Welding Techniques In Supply Boat Manufacturing At Pt Vallianz Putra, Arvian Enggal; Hasibuan, Fardin
METALOGRAM Metalogram Vol.01 No.03 (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.
Performance Analysis Of Standart Camshaft Engines And Modified Camshafts On 110cc Motorcycles Derrio, Muhammad; Sihombing, Aser Eben Ezer; Ratuloli, Jumiati; Hasibuan, Fardin
METALOGRAM Metalogram Vol.01 No.03 (August,2025)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v1i03.7454

Abstract

Currently, motorcycles are the maximum extensively used approach of transportation in Indonesia. apart from being a way of transportation and for delivering items, of direction, it has unique settings from motorbikes which might be used for daily purposes via making overall performance upgrades by using modifying the noken axle (camshaft) on motorbikes which are used each day. The characteristic of the camshaft is to manipulate the valve opening, both the consumption and exhaust valves at the time decided with the aid of the four stroke engine cycle. at the changed engine, numerous adjustments have been made to several systems and components to improve the performance of the bike. The cause of this take a look at become to determine the performance of the Honda Absolute revo 110cc combustion engine which incorporates torque, strength and gasoline intake with the aid of comparing the standard camshaft and The changed camshaft which has modified the lift top by using 1mm has changed in the absolute revo 110cc engine, adjustments occur amongst them in torque, energy and greater gasoline intake enter the combustion chamber. The studies was received from a tool which can decide power called Dynotest. Dynotest serves to measure the torque strength of a motorcycle that has been modified by means of camsaft so as to understand better which is the modified camasafth and the usual camsafth on a 110cc revo absolute motorcycle.
Experimental Analysis of Resonance Behavior in a Mechanical Vibrating Beam Rizki, Muhammad Fachri; Yondra, Asraf Aulia; Yusuf, Mohammad Syaifullah; Sihotang, Angles; Hasibuan, Fardin
METALOGRAM Metalogram Vol.01 No.03 (August,2025)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v1i03.7857

Abstract

This paper presents an experimental analysis of resonance behavior in a mechanical vibrating beam. A cantilever beam made of aluminum was subjected to forced vibrations using a shaker, and the frequency response was measured with an accelerometer. Resonance frequencies for the first three modes were determined and compared with theoretical predictions based on Euler-Bernoulli beam theory. The experimental results showed excellent agreement with theoretical values, with errors less than 1%, validating the approach. This study underscores the importance of understanding resonance in mechanical structures to prevent failures due to excessive vibrations.
Toughness and Structural Analysis of Welds and HAZ of Sumerged Arc Welding on SM 490 Steel Sianipar, Stiven Ewin; hasibuan, fardin; Syaputra, Muhammad Lyan
METALOGRAM Metalogram Vol.01 No.03 (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
Effectiveness Analysis Of Centrifugal Pump Maintenance System For Performance Optimization At Pt. Sumber Air Abadi pratama, yuki alvandi; Manullang, Togu Juliaman; Wibisono, Muhammad Umar; Ditoswar, Arya Mahadika; hasibuan, Fardin
METALOGRAM Metalogram Vol.01 No.03 (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.
Co-Authors Adlinizar, Muhammad Fahrell Akramunnas, Bastul Wajhi aminuddin, aminuddin aminuddin Arif Rahman Hakim Arif Rahman Hakim Ariyanto, Nugroho Pratomo Delpero, M Arief delpero, muhammad arif Derrio, Muhammad Ditoswar, Arya Mahadika Hafiz, Abdul Kirana, Dois Dita Wahyu Kusuma, Bagus Liston, Sony Manullang, Togu Juliaman Nulhakim, Buyung pratama, yuki alvandi Putra, Ahmadi Bintan Putra, Arvian Enggal Putra, Deny Jaya Putra, Wendri Ratuloli, Jumiati Rizki, Muhammad Fachri Sena, Boni Sianipar, Stiven Ewin Sihombing, Aser Eben Ezer Sihotang, Angles Sitio, Joni Mart Syaputra, Muhammad Lyan 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