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All Journal Science and Physics Education Journal (SPEJ) International Journal of Advanced Technology in Mechanical, Mechatronics and Material (IJATEC)
Ginting, Canda Lesmana
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Control & Systems Engineering Education Electrical & Electronics Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Analysis of Factors Influencing Tensile Strength in Shielded Metal Arc Welding (SMAW) Ginting, Canda Lesmana; Pranoto, Hadi
International Journal of Advanced Technology in Mechanical, Mechatronics and Materials Vol 6, No 1 (2025)
Publisher : Institute for Research on Innovation and Industrial System (IRIS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37869/ijatec.v6i1.113

Abstract

Tensile strength in Shielded Metal Arc Welding (SMAW) is a critical parameter that significantly impacts the material's performance in mechanical structures. This welding method is widely used in various industrial applications, especially for carbon steel materials, due to its practicality and relatively low operational costs. This study aims to analyze the factors affecting tensile strength in SMAW welding, including welding current, electrode type and size, welding position, cooling medium, and welder skill. The analysis results show that increasing welding current can improve penetration and tensile strength, although it carries the risk of defects such as porosity and reduced weld quality. Selecting the right electrode, such as E7016, provides better tensile strength results compared to E7018, which excels in crack resistance. The horizontal welding position produces more consistent weld quality, while overhead position increases the risk of defects. Additionally, the cooling medium plays a significant role, with slow cooling using air or sand leading to a microstructure that supports better tensile strength compared to rapid cooling with water. Welder skill is also an important factor in controlling welding parameters to achieve optimal and strong welding results.
Analisis Efisiensi Termoelektrik, Tantangan Pengembangan, dan Faktor-faktor yang Mempengaruhi Efek Seebeck Ginting, Canda Lesmana
Science and Physics Education Journal (SPEJ Vol. 8 No. 2 (2025): SPEJ (Science and Physic Education Journal)
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/hkna9t79

Abstract

Abstract: Thermoelectric technology offers an innovative solution for converting heat energy into electricity through the Seebeck Effect. However, its conversion efficiency remains a major challenge in its development. This study aims to analyze various factors affecting thermoelectric performance, including materials, temperature differences, electrical and thermal conductivity, and system design optimization. A literature review reveals that materials based on bismuth telluride (Bi₂Te₃), lead telluride (PbTe), and nanocomposites have great potential to enhance the figure of merit (zT). Furthermore, integrating thermoelectric systems with renewable energy sources, such as solar and geothermal energy, can improve energy conversion efficiency. The main challenges in implementing this technology include high production costs, material limitations, and material degradation due to repeated thermal cycles. Therefore, research focuses on developing new materials, optimizing module designs, and improving manufacturing techniques to enhance the reliability and durability of thermoelectric systems. With ongoing advancements in this field, thermoelectric technology is expected to become a sustainable solution for utilizing waste heat energy and supporting the transition to green energy.   Keywords : Thermoelectric, Seebeck Effect, energy conversion, thermoelectric materials, efficiency
Co-Authors Adnan, Farrah Anis Fazliatul Dianta Ginting Hadi Pranoto Lase, Asaeli Tongoni Rhee, Jong Soo