All articles
107 articles
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Revolutionizing Steel Production: A Pathway to Low-Carbon Direct Reduction Iron (DRI)
Abstract: The steel industry, a cornerstone of modern infrastructure, is a significant contributor to global CO2 emissions, accounting for roughly 11% of industrial carbon output. To mitigate this impact, breakthrough technologies and decarbonization strategies are essential, especially as extreme weather events highlight the urgency of addressing climate change. Potential routes to a low-carbon future for steelmaking are provided by advancements in carbon capture, utilization, and storage (CCUS), hydrogen-based steel manufacturing, and …
Published in International Journal of Metallurgy and Alloys · Vol. 10, Issue 2, 2024 · pp. 11–15 Read article
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Influence of Different Quenching Media on the Mechanical Properties of Mild Steel – A Case Study of Coconut Oil, Mineral Oil, Jatropha Oil, and Water
Abstract: This study elucidates how local cooling agents, such as coconut oil and jatropha oil, influence the mechanical characteristics of heat-treated mild steel. Tensile testing, Brinell hardness testing, and microstructural analysis were conducted on both heat-treated and untreated samples. The results show observable differences in the heat-treated materials’ mechanical characteristics. Specifically, the yield strength increased across all quenched media, while the ultimate tensile strength decreased for samples cooled with coconut oil …
Published in International Journal of Metallurgy and Alloys · Vol. 10, Issue 2, 2024 · pp. 1–8 Read article
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Design and Analysis of Metal-Organic Frameworks for Gas Adsorption and Storage
Abstract: Metal-Organic Frameworks (MOFs) represent a class of highly porous materials formed by the coordination of metal ions with organic linkers, exhibiting exceptional potential for gas storage applications due to their high surface area, tunable pore sizes, and structural versatility. The synthesis and characterization of MOFs intended for the effective storage of gases like carbon dioxide, methane, and hydrogen are the main topics of this work. Solvothermal Hectic strategies, including solvothermal, …
Published in International Journal of Metallurgy and Alloys · Vol. 10, Issue 1, 2024 · pp. 25–30 Read article
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Nanotechnology in Refractory Materials: Innovations and Applications
Abstract: Nanotechnology has become a focal point of research across diverse scientific fields, including chemistry, medicine, materials science, and engineering. Its integration into refractory products has led to groundbreaking advancements in industries such as steel, glass, casting, and cement, particularly using nanomaterials like nanoparticles, nano additives, and nanostructured materials. This article provides an in-depth examination of the latest developments in monolithic refractories, focusing on how nanotechnology has enhanced their performance, durability, …
Published in International Journal of Metallurgy and Alloys · Vol. 10, Issue 1, 2024 · pp. 7–11 Read article
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Physics, Novel Concepts and Technical Analysis of GaMnAs Digital Alloys
Abstract: GaMnAs Digital Alloys have recently drawn the attention of various workers, due to their very special properties from the point of view of applications in spintronics. Physics and Novel Concepts of GaMnAs Digital Alloys have been presented in this paper. The various technical aspects of digital alloys like III1-xMnxV Random Alloys (InMnAs and GaMnAs), MBE grown GaMnAs Random Alloys, Photo-induced Ferromagnetism, Magnetization Measurements, MagnetoTransport Measurements, and Temperature Dependence of Sheet …
Published in International Journal of Metallurgy and Alloys · Vol. 10, Issue 2, 2024 · pp. 1–10 Read article
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The Role of Metallurgy in Modern Building Retrofits: Achieving Energy Savings and Sustainability
Abstract: Building retrofits have become a pivotal strategy in enhancing energy efficiency and sustainability in existing structures. As global emphasis on environmental sustainability intensifies, retrofitting older buildings to meet contemporary energy standards has gained prominence. This article examines the influence of metallurgical and materials science innovations on recent energy-saving trends in building retrofits. It explores advanced Heating Ventilation and Air Conditioning (HVAC) systems, highlighting how high-performance alloys and materials improve efficiency …
Published in International Journal of Metallurgy and Alloys · Vol. 10, Issue 1, 2024 · pp. 1–6 Read article
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A Review on Resistance Spot Welding of Dissimilar Metal
Abstract: An extensive analysis of resistance spot welding in dissimilar metals is presented in this review paper. Resistance spot welding (RSW) is a joining technique that is frequently used in various sectors and most importantly in automotive sectors because of its effectiveness and efficiency in creating strong welded joints. This paper provides basic understanding of the various aspects of work done on dissimilar metals. It also gives an understanding of the …
Published in International Journal of Metallurgy and Alloys · Vol. 10, Issue 1, 2024 · pp. 12–24 Read article
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Eco-Friendly Corrosion Inhibition of Aluminum Alloys with Acacia nilotica in Acidic Media
Abstract: Gravimetric analysis was used to examine the corrosion inhibitory effects of Acacia nilotica extract in 0.5 N H2SO4 on aluminum alloy at different concentrations and at 303 K. At a corrosion inhibitor concentration 0.45% at 303 K, the inhibition efficiency is found to be remarkably high (52.25%). Results show that the extract's capacity to inhibit was caused by its adsorption onto the metal surface via the Langmuir adsorption process. For …
Published in International Journal of Metallurgy and Alloys · Vol. 10, Issue 1, 2024 · pp. 31–37 Read article
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Corrosion Resistance in Modern Metallurgical Alloys: Mechanisms & Mitigation Strategies
Abstract: Corrosion resistance in metallurgical alloys is a critical factor in their application across various industries, including aerospace, automotive, marine, and construction. This paper delves into the fundamental mechanisms of corrosion, such as galvanic, pitting, crevice, intergranular, and stress corrosion cracking, which significantly affect the longevity and reliability of alloys. It explores the intrinsic and extrinsic factors influencing corrosion behavior, including alloy composition, microstructure, environmental conditions, and mechanical stresses. Advancements in …
Published in International Journal of Metallurgy and Alloys · Vol. 9, Issue 2, 2023 · pp. 30–34 Read article
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Sustainable Metallurgy: Recycling and Eco-friendly Practices in Alloy Production
Abstract: The modern metallurgical industry faces a growing imperative to adopt sustainable practices to mitigate environmental impacts and conserve natural resources. This paper explores the advancements in sustainable metallurgy, emphasizing recycling and eco-friendly practices in alloy production. Key strategies include the development of closed-loop recycling systems, where end-of-life metal products are efficiently reprocessed to minimize waste and reduce the need for virgin raw materials. Innovations in alloy design, such as the …
Published in International Journal of Metallurgy and Alloys · Vol. 9, Issue 2, 2023 · pp. 18–23 Read article
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An Extensive Overview of Al-Mg-Si Alloy’s Electrochemical Behavior
Abstract: This review emphasizes on the effects of microstructure and alloying components on the electrochemical behavior of Al-Mg-Si alloys used as sacrificial anodes. The presence of alloying elements hinders surface film formation on aluminum, while microstructural factors such as grain size distribution and precipitate volume fraction influence alloy properties. The Al-Mg-Si phase diagram and the presence of the Mg2Si phase are also discussed, highlighting the effects of Mg and Si solubility. …
Published in International Journal of Metallurgy and Alloys · Vol. 9, Issue 2, 2023 · pp. 1–11 Read article
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The Role of Metallurgy in Advanced Manufacturing and Engineering
Abstract: This field encompasses the study of the properties, behaviors, and processing of metals and their alloys, influencing the development and optimization of materials for a wide range of applications. In advanced manufacturing, metallurgical innovations are crucial for improving material performance, enhancing production efficiency, and driving sustainability. It examines how metallurgical advancements contribute to the production of lightweight, high-strength, and corrosion-resistant materials, which are essential for aerospace, automotive, biomedical, and energy …
Published in International Journal of Metallurgy and Alloys · Vol. 9, Issue 2, 2023 · pp. 12–17 Read article
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Thermal Processes and Metallurgical Transformations: How Temperature Influences Metal Structures?
Abstract: The guide also addresses the selection criteria for different heat treatment processes based on the type of metal and the desired application, providing insights into the balance between performance requirements and economic considerations. Furthermore, it covers advancements in heat treatment technologies, such as induction heating and laser hardening, and their applications in modern manufacturing. By integrating theoretical concepts with practical examples, this guide serves as an essential resource for metallurgists, …
Published in International Journal of Metallurgy and Alloys · Vol. 9, Issue 1, 2023 · pp. 57–62 Read article
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Enhancing Soil Stabilization with Chitosan Biopolymer Integration
Abstract: In this work, clay soil is stabilized using a biocompatible chitosan solution derived from shrimp shell waste. The biopolymer chitosan has attracted attention in the field of geoenvironmental studies because of its possible applications in the absorption of heavy metals, the mitigation of soil erosion, and the improvement of hydraulic conductivity. However, a thorough investigation into its impact on the mechanical properties of soil has not yet been conducted. A …
Published in International Journal of Metallurgy and Alloys · Vol. 9, Issue 1, 2023 · pp. 35–56 Read article
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Empirical Modelling of Metal Corrosion in Loamy Soil and Saltwater Environment
Abstract: The corrosion rate of metal in loamy soil and saltwater environment was monitored, predicted, and simulated using empirical modeling. The metal under investigation is carbon steel, which is found in a loamy soil and saltwater environments. The carbon steel sample immersed in a saltwater medium exhibited a higher corrosion rate compared to the loamy soil sample. The rise in corrosion of carbon steel can be attributed to the physiochemical characteristics …
Published in International Journal of Metallurgy and Alloys · Vol. 9, Issue 1, 2023 · pp. 20–34 Read article
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Exploring Alloys: Properties, Applications, and Future Trends
Abstract: Alloys, integral to modern technology and engineering, are combinations of metals with other elements designed to enhance material properties. This exploration delves into the diverse properties, widespread applications, and emerging trends in alloy development. The study examines mechanical properties such as strength, ductility, and corrosion resistance, which are tailored through compositional variations and processing techniques. Applications across various industries—including aerospace, automotive, electronics, and biomedical fields—are highlighted, showcasing the versatility and …
Published in International Journal of Metallurgy and Alloys · Vol. 9, Issue 1, 2023 · pp. 13–19 Read article
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TiO2 Doped with Noble Metals and Transition Metals: A Review
Abstract: This review article investigates advances in the research of nanomaterials based on titanium dioxide (TiO2) doped with noble metals and transition metals. Initially, we provide an overview of the theory behind TiO2 as the base material and discuss the fundamental principles of nanomaterial doping. Next, we delve into studies on noble metal doping, highlighting recent research that explores the incorporation of noble metals such as gold (Au), silver (Ag), and …
Published in International Journal of Metallurgy and Alloys · Vol. 9, Issue 1, 2023 · pp. 1–12 Read article
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Ferromagnetism in II-VI Diluted Magnetic Semiconductor, Zn0.96Mn0.04O Nanostructures by Green’s Theorem
Abstract: Ferromagnetism in II-VI diluted magnetic semiconductor, Zn0.96Mn0.04O is studied. Using the Heisenberg principle, the spin exchange between the neighboring spin is discussed. Heisenberg’s model describes the Hamiltonian of the system in terms of spin density and excitons. Mathematically, magnetic parameters such as magnetizations and magnetic susceptibility are determined by Green’s function. Ferromagnetism is expected from sp-d exchange interactions (RKKY), point defects such as oxygen vacancies, and Zn interstitial and quantum …
Published in International Journal of Metallurgy and Alloys · Vol. 8, Issue 2, 2022 · pp. 28–36 Read article
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Recycling Multilayer Materials: Discovering Mechanical Parameters for Engineering Applications
Abstract: Multilayer materials have been widely used in various applications such as packaging, electronics, and construction industries. However, the disposal of these materials is becoming a significant environmental concern due to their non-biodegradable nature. Therefore, the recycling of multilayer materials has become an essential aspect of sustainable waste management. The mechanical characteristics of materials recycled from multilayer products were examined in this study. The focus was on determining the impact of …
Published in International Journal of Metallurgy and Alloys · Vol. 8, Issue 2, 2022 · pp. 43–47 Read article
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Modern Material Concept to Produce Low-Loss Non- Oriented Electric Alloys
Abstract: The production of energy-efficient materials is an essential aspect of modern society, with efforts focused on reducing energy loss and conserving resources. A key element in the creation of energy-efficient electrical equipment, such as transformers, generators, and motors, is low-loss non-oriented electrical steel. In this regard, material design is a promising approach to improve the properties of non-oriented electrical steel. This paper presents an overview of material design for low-loss …
Published in International Journal of Metallurgy and Alloys · Vol. 8, Issue 2, 2022 · pp. 37–42 Read article