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432 articles for “metal”
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A Review on the Toxicity and Effects of Heavy Metals on Environment and Health
Abstract: Heavy metals are those metals which have a specific density greater than 5g/〖cm〗^3. They are found naturally as well as manufactured artficially. The heavy metals have an adverse action on environment and on the human beings. This review is going to describe the effects of heavy metals on the humans and environment. The toxicity of some heavy metals that are abundant in our environment has also been described. This review …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 5, Issue 1, 2019 · pp. 17–28 Read article
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Mass Transport of Heavy Metals in Soil Columns Amended with Biochar Nanoparticles
Abstract: Biochar has potential as a valuable material for removing heavy metals from wastewater. The biochar obtained by pyrolysis of the Pomegranate Peel (PPBC) under an oxygen-limited atmosphere in a muffle furnace at 450°C. The biochar was also analyzed through SEM and FTIR for identification of particle size and functional groups. Therefore, the present work aims to study the effect of adding biochar to the soil columns (10 cm length and …
Published in International Journal of Agrochemistry · Vol. 6, Issue 1, 2020 · pp. 62–72 Read article
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Basic Principles and Techniques in Powder Metallurgy
Abstract: This study provides a brief overview of recent advances in powder metallurgy methods, and their applications as challenges encountered throughout the research. The primary goal of this paper is to showcase the different uses of modern powder metallurgy technology and to inspire visitors to learn more about these topics and produce more papers about it. Metallic injection moulding (MIM) is another term for advanced powder metallurgy. The technique could be …
Published in International Journal of Metallurgy and Alloys · Vol. 8, Issue 1, 2022 · pp. 1–4 Read article
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A Comprehensive Review of Metal Matrix Composites (MMCs)
Abstract: Abstract Metal Matrix Composites (MMCs) combine metallic matrices with reinforcing phases (ceramics, intermetallics, fibers, or particles) to achieve superior mechanical, thermal, and tribological properties compared with monolithic metals. This review surveys fabrication routes, reinforcement types, microstructural characteristics, mechanical and tribological behavior, machining challenges, applications across aerospace, automotive, electronics, and future directions including additive manufacturing, in-situ MMCs, and data-driven materials design. Critical challenges such as interface control, scalability, cost, and machinability …
Published in International Journal of Manufacturing and Materials Processing · Vol. 11, Issue 2, 2025 · pp. 1–5 Read article
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Metal Detector Circuit
Abstract: Metal detecting technology has advanced dramatically and is now essential in a number of domains, including mining, archaeology, security, and commercial uses. Metal detectors are essential instruments in contemporary civilization because of their capacity to detect metallic things by electromagnetic induction. However, understanding the fundamental ideas and construction of metal detectors is essential for maximizing their functionality and broadening their range of uses, considering their pervasive significance. Therefore, this research …
Published in International Journal of Analog Integrated Circuits · Vol. 11, Issue 1, 2025 · pp. 38–43 Read article
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To Study the Effects on Mechanical Properties ofConcrete by Partial Replacement of Sand with MetallicSwarf
Abstract: Abstract The utilization of metallic swarf in concrete manufacturing is increasing in importance due to its environmental and economic benefits. However, the mechanical qualities of such concrete frequently appear inferior to regular concrete. To improve the mechanical characteristics of standard concrete, numerous additives have been researched, but the utilization of metallic swarf remains a mystery. This research investigates the recycling of waste metallic swarf produced in the automobile industry and …
Published in International Journal of Mechanics and Design · Vol. 11, Issue 1, 2025 · pp. 54–60 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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Role and Applications of Alloys in Everyday Life
Abstract: An alloy is a mixture of metals or a mixture of a metal and another element. Alloys are defined by a metallic bonding character. An alloy may be a solid solution of metal elements (a single phase) or a mixture of metallic phases (two or more solutions). Melting point: Put the alloy, a piece of tin and a piece of lead into a sand tray. All three samples should be …
Published in International Journal of Metallurgy and Alloys · Vol. 3, Issue 1, 2017 · pp. 17–23 Read article
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Analytical Evaluation of heavy metals in eyeshadows: A Risk assessment and Implications for Public Health Regulatory Reforms in Nigeria
Abstract: This study employs advanced analytical techniques to assess heavy metal contamination (Pb, Cd, Cr, Ni, Zn) in 18 commercially available eyeshadow products (local and imported) from Owerri Metropolis, Nigeria. Quantification was conducted using atomic absorption spectroscopy (AAS), while risk evaluations incorporated chemometric modeling approaches. Results revealed significant contamination in locally manufactured brands, particularly those containing calabash chalk (Nzu) as a base ingredient. Lead and nickel concentrations reached 166.58 ± 6.5 …
Published in International Journal of Analytical and Applied Chemistry · Vol. 12, Issue 1, 2026 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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Electroforming Technology for Advanced Metal Fabrication
Abstract: Electroforming technology is a highly specialized process for fabricating a metal part by electro deposition in a plating bath over a base form or mandrel which is subsequently removed. On a mandrel, also known as a mold or matrix, which is removed, metal is electrodeposited. As a result, the coating turns into the product. Intricate parts made of nickel, copper, gold, and silver, such as molds, dies, waveguides, nozzles, and …
Published in International Journal of Manufacturing and Materials Processing · Vol. 10, Issue 1, 2024 Read article
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Study on Metal Corrosion in Soil Environment of Edo State in Niger Delta Area, Nigeria
Abstract: Impact of sandy soil obtained in Edo State on metal corrosion was investigated having in mind that corrosion of metal is an issue of concern as well as has been a major problem in various fields of engineering operation, particularly in environment of Niger Delta area of Nigeria. Experimental approaches were conducted to examine metal corrosion in soil of selected environment of Edo State in Niger Delta area of Nigeria. …
Published in International Journal of Energetic Materials · Vol. 6, Issue 2, 2020 · pp. 37–48 Read article
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Effect of Indigenous Micros on Metal Corrosion in Different Water Environment
Abstract: The research on the effect of indigenous micros on metal corrosion in different water environment in life sciences and other fields as well as their significance was investigated. Mild Steel is one of the construction materials used in the industries. It has a young modulus of 200GNm-2. This paper focuses on the experimental study for the effect of indigenous micros on metals in different water environment and also of the …
Published in International Journal of Metallurgy and Alloys · Vol. 7, Issue 2, 2021 · pp. 1–10 Read article
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Recent Advances in the Development and Performance Optimization of Advanced Metallic Alloys
Abstract: The continuous demand for high-performance materials in aerospace, automotive, energy, and biomedical industries has accelerated research and development in advanced metallic alloys. Metallurgy and alloy design play a crucial role in achieving superior mechanical, thermal, and chemical properties while maintaining cost efficiency and sustainability. This study presents a comprehensive overview of recent advances in metallic alloy development, focusing on novel alloying strategies, microstructural control, and performance optimization techniques. Emphasis is …
Published in International Journal of Metallurgy and Alloys · Vol. 12, Issue 1, 2026 · pp. 1–6 Read article
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Nanoscale Metal Oxide Improvement for Photoelectrochemical Water Splitting and Hydrogen Generation
Abstract: The global pursuit of clean and renewable energy has spotlighted hydrogen as a sustainable fuel, particularly when generated through environmentally friendly methods. Among these, photoelectrochemical (PEC) water splitting stands out as a direct and solar-powered approach to hydrogen (H₂) production. Unlike conventional techniques that rely heavily on fossil fuels, PEC systems utilize semiconductor materials to absorb sunlight and catalyze the splitting of water into hydrogen and oxygen, without releasing harmful …
Published in International Journal of Applied Nanotechnology · Vol. 11, Issue 2, 2025 Read article
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A Study on Stress Analysis of Aluminum Alloy Solidified in Metallic Molds
Abstract: Abstract The casting technique is regarded as the primary manufacturing process. It has several process parameters that affect the cast structure. Mold geometry is considered one of the most important metal parameters to cast. In the current work, the influence of mold geometries on mechanical properties (deformation and stress concentration) of liquid Aluminum alloy solidified in the steel mold is assessed using ANSYS simulation software. Molds were subject to a …
Published in International Journal of Manufacturing and Materials Processing · Vol. 10, Issue 2, 2024 · pp. 10–15 Read article
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Synthesis of Bio-Polymeric Network and Developing UV-Visible Spectrophotometric Method for Heavy Metal Ions Removal from Polluted Water by Apple Residues
Abstract: Biosorption is potentially an attractive technology for removing heavy metals from wastewater and discharging heavy metals into an aquatic ecosystem has become a matter of concern all over the globe since the last century. Pollutants from various industrial operations disturb the aquatic systems and heavy metals present in them cause serious human diseases. Previously established methods, such as chemical precipitation, ion exchange, membrane separation, and adsorption are generally costly due …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 11, Issue 1, 2025 · pp. 1–9 Read article
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Sustainability Assessment and Resource Optimization for Expansion of Metallurgical and Alloy Production Facilities in Odisha
Abstract: This study presents a comprehensive assessment of sustainability measures and resource optimization strategies for the expansion of metallurgical and alloy production facilities in Odisha, India. The research examines a facility expansion project encompassing 32.63 hectares, analyzing environmental impacts, resource utilization, and socioeconomic implications. The study evaluates key sustainability parameters including air quality management through ESPs and bag filters maintaining PM emissions below 30 mg/Nm³, water resource optimization with a projected …
Published in International Journal of Metallurgy and Alloys · Vol. 11, Issue 1, 2025 · pp. 18–25 Read article
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Assessing trends in Speciation of First-Row Transition Metals in Children's Playgrounds of Owerri, Nigeria
Abstract: Chemical species of metals affect toxicity but trends of these metals species in soils are less studied. This study examined the trends and variability of species of metals in soils from playgrounds within Owerri. Eighty-one composite soil samples from nine playgrounds were collected in dry and rainy season to reflect spatio-seasonal variability. Samples were characterized by standard methods in triplicates and then extracted sequentially. Concentrations of metal species were determined …
Published in International Journal of Green Chemistry · Vol. 11, Issue 1, 2025 · pp. 28–45 Read article
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Theoretical Investigation of the Interactions between Cytochrome C and Some Heavy Metal Ions: A Biophysical Analysis
Abstract: Cytochrome c is located in mitochondria and has an important role in ATP synthesis. In addition to this, this molecule plays an important role in the conversion to water molecule of molecular oxygen. Using chemical equalization principles about chemical hardness and electronegativity concepts, the power of the interactions between chemical compounds, metals and ligands. In the present study, we theoretically analyzed electron transfer mechanisms and the power of the interactions …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 5, Issue 2, 2019 · pp. 27–31 Read article