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1018 articles for “Metallic”
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Synthesis and antibacterial studies of some bivalent transition metal ions Zn (II), Cu (II) and Ni (II) complexes of Schiff’s base derived from some substituted aromatic aldehydes.
Abstract: In this study, Schiff bases were synthesised through the condensation of aromatic aldehydes with primary amines and subsequently complexed with Ni(II),Zn(II) and Cu(II) ions. The formation of the metal complexes was confirmed by FTIR spectroscopy, which identified the key functional groups involved in coordination. The biological activity of the prepared compounds were studied with the help of selected bacteria like E. coli , Pseudomonas. and B. sereus.. The results obtained …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 16, Issue 2, 2025 · pp. 96–104 Read article
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Mechanical Properties of Al6061-Al2O3 Metal Matrix Composite Using Die Casting Technique
Abstract: 6061Al - Al2O3 Metal matrix composites are applied as conventional materials in the domain of aerospace, automotive and marine applications to enhance the physical properties. The present work aimed to prepare metal matrix composite using 6061Al as the matrix material. Particulates of Al2O3 with 40 µm were reinforced using die casting technique. Further level of reinforcement is being varied from 0-16wt% in steps of 4wt%. Microstructural characterization has been conducted …
Published in Journal of Automobile Engineering and Applications · Vol. 5, Issue 3, 2018 · pp. 11–20 Read article
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Metal Oxide Based Thin Film Transistors for Transparent and Flexible Electronics: Critical Review
Abstract: AbstractTransparent and flexible electronics is new emerging research area. Various technologies are available for thin film transistors (TFT). Metal oxide semiconductors are suitable because of their high optical transparency, good electrical performance etc. These devices have advantages of a-Si and organic materials also. Advantages of these devices are low cost, low process complexity and temperature, and large-area scalability and large carrier mobility. In this paper research work is compared. This …
Published in Journal of Electronic Design Technology · Vol. 9, Issue 1, 2018 · pp. 30–40 Read article
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A Literature Review on Al-Si-TiB2 In-situ Metal Matrix Composites
Abstract: This review focuses on various aluminium alloys as matrix materials used for synthesis of in-situ metal matrix composites(MMCs) with different reinforcements like graphite, Al2O3, SiC, TiB2 and so on for their excellent characteristic properties. Taking their limitations into account, tailoring the physical, mechanical as well as wear properties of these composites with the use of appropriate type and amount of reinforcement along with optimum process parameters has also been investigated …
Published in Journal of Materials & Metallurgical Engineering · Vol. 9, Issue 2, 2019 · pp. 7–19 Read article
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A Review on Metal Inert Gas Welding of Dissimilar Steels
Abstract: Joining of dissimilar metals has found its use extensively in power generation, electronic, nuclear reactors, petrochemical and chemical industries due to environmental concerns, energy saving, high performance, cost saving and so on. However efficient welding of dissimilar metals has posed a major challenge due to difference in thermal, mechanical and chemical properties of the materials to be joined under a common welding condition. This causes a steep gradient of the …
Published in Journal of Materials & Metallurgical Engineering · Vol. 10, Issue 1, 2020 · pp. 1–15 Read article
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Determination of Heavy Metals in Soil Samples in the Vicinity of Liquid Natural Gas Project, Shabwah Governorate, Yemen
Abstract: The present work aimed to determine the contaminants in soils resulting from or deposited due to emissions that come from natural gas in the area of Balhaf which is an LNG project in Republic of Yemen. Total of 8 surface soil samples were collected at depth of approximately (0–10 cm) from two sites which has different distances from the natural gas liquefaction project, took 4 samples from first site. The …
Published in Journal of Materials & Metallurgical Engineering · Vol. 12, Issue 1, 2022 · pp. 67–76 Read article
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Study of Diagonal Ties and Metal Plate as a Confining Reinforcement for RCC Short Columns
Abstract: Column is a most important structural member in the structural system. Even after the strong column weak beam theory used in the design of the structural member it has been observed that the many times structure collapsed due to the failure of the column. There are many reasons of the column failure but out of that major reason of the failure is ineffective confinement of the column specimen and uneven …
Published in Journal of Structural Engineering and Management · Vol. 8, Issue 3, 2021 · pp. 39–46 Read article
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Comparative Study of Steel Fiber for various shape
Abstract: This research paper presents a comparative study of metal-reinforced steel fibers in concrete. The study aims to analyze the effects of incorporating metal fibers along with steel fibers on the Compressive, flexure, and structural properties of steel fiber-reinforced concrete (SFRC). Analytical review were conducted on various concrete mixtures, comparing samples with different shape of steel fibers. The results show that the addition of metal fibers improves the mechanical properties of …
Published in Journal of Structural Engineering and Management · Vol. 10, Issue 1, 2023 · pp. 8–13 Read article
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Improvements in Analog Performance of Dual Metal Gate based Silicon-on-Insulator Junctionless Transistor with Pocket Doped Window
Abstract: This paper elucidates the impact of the pocket doped window on the analog performance of dual metal gate based silicon-on-insulator junctionless transistor (DMG SOIJLT). The analog parameters of the proposed SOIJLT are compared with DMG based conventional SOIJLT. The findings of analog performance comparison reveal that transconductance (gm), transconductance generation factor (TGF), output conductance (gd), output resistance (r0), intrinsic gain (AV), and cut-off frequency (fT) have improved for DMG PD-SOIJLT …
Published in Journal of Microelectronics and Solid State Devices Read article
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Characterization and Fabrication of Hybrid Matrix Composites of AZ91E Metal with Distinct Reinforcements of Fly Ash and ZrO2
Abstract: The current work choose the characteristics of (Magnesium composite) AZ91E-ZrO2-Fly ash Hybrid Metal Matrix using the regular analytic system. The chosen materials for this purpose are fly ash and ZrO2 in equivalent load extents, Stir casting uses a vortex technique to produce composite materials. A comprehensive experimental investigation was conducted to assess the performance characteristics of AZ91E-ZrO2-Fly ash during the cold upsetting process. The study involved utilizing AZ91E magnesium alloy …
Published in Journal of Polymer & Composites · Vol. 11, Issue 8, 2023 Read article
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DESIGN AND ANALYSIS OF A METAL LINED COMPOSITE OVERWRAPPED PRESSURE VESSEL
Abstract: This study presents a comprehensive investigation into the mechanical behavior of a metal lined composite overwrapped pressure vessel, designed for high-pressure storage applications. The design approach is dependent upon fiber material constants and dome shape factor. The study begins with obtaining dome coordinates and maintaining winding angles according to a geodesic path equation. Thickness estimation for the portion of cylindrical shell and domes are determined through netting analysis and cubic …
Published in Journal of Polymer & Composites · Vol. 11, Issue 8, 2023 · pp. 215–232 Read article
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Optimum Machining Parameters for Al 7075 Hybrid Metal Matrix Composites Using Multi-objective Optimization Technique and the Modified Taguchi Approach
Abstract: Lightweight composite materials with improved mechanical properties are widely used in industries. There is a need to obtain optimum machining parameters of such hybrid composites. This paper uses reliable multi-objective optimization technique and modified Taguchi approach to determine optimal machining parameters such as speed (NS) varying from 1000 rpm to 1500 rpm, feed rate (FR) from 0.10 mm/rev to 0.20 mm/rev, depth-of-cut (DC) varied from 0.5 mm to 1.5 mm …
Published in Journal of Polymer & Composites · Vol. 11, Issue 8, 2023 · pp. 269–278 Read article
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Influence of the Load, Sliding Speed, and Weight Fractions on Wear of a Hybrid Aluminium Metal Matrix Composite
Abstract: The vital focus of the research is intended in examining the aspect that impact the rate of wear for a hybrid aluminium metal matrix composite. The percentages of two reinforcements that are employed, the weight, and the sliding speed are the variables taken. The procedure entails employing the vortex-stir casting process to produce the hybrid composite. Utilizing a pin-on-disc apparatus, the fabricated composite materials are evaluated in compliance with the …
Published in Journal of Polymer & Composites · Vol. 11, Issue 13, 2023 · pp. 188–198 Read article
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Heavy Metal Assessment of Rainwater from Owerri Metropolis and Suburbs of Imo State, Nigeria Using GIS, MATLAB and ANN Models.
Abstract: Three hundred and fifty (350) rainwater samples were collected from 35 select locations within Owerri Metropolis, Ehime Mbano and Mbaitoli LGAs and analyzed for Cd, Cu, Fe, Zn, and Pb using standard instrumental methods. The results were compared with the World Health Organization (WHO), National Ambient Air Quality Standards (NAAQS), Federal Environmental Protection Agency (FEPA) and National Agency for Food and Drug Administration and Control (NAFDAC) Standards for drinking water …
Published in Journal of Materials & Metallurgical Engineering · Vol. 14, Issue 1, 2024 · pp. 38–57 Read article
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A Study of Environmental Pollution in Some Areas of the City of Najaf for Some Heavy Metals
Abstract: Pollution is one of the most important problems that people face at the present time, and the problem of soil pollution is the most serious, due to its relationship to human health and other organisms. Soil sample collection areas in the city of Najaf were chosen based on several factors, including traffic, industrial and urban activities, and population density. Soil samples were taken at a depth level ranging between 0-15 …
Published in Research & Reviews : Journal of Ecology · Vol. 13, Issue 2, 2024 · pp. 14–23 Read article
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Developing an AI-Based Novel Forecasting Framework for Surface Irregularity in Metal Matrix Materials
Abstract: Surface irregularity in metal matrix materials (MMM) signifies the deviations from smoothness, influencing structural integrity and performance frequently arising from the manufacturing process along with intrinsic material characteristics that influence effectiveness. Limitations in data, model interpretability and complexity are the difficulties that impede artificial intelligence (AI) based surface irregularity in MMM. In this study, we suggested a novel framework of Gaussian regression fused multi-strategy adaptive boosting classifier (GR-MABC) for the …
Published in Journal of Polymer & Composites · Vol. 12, Issue 5, 2024 · pp. 48–56 Read article
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Selected Heavy Metals Levels (Cu, Cr, Cd, Pb, Fe) in Gwadabawa Lake, Sokoto State, Nigeria
Abstract: The main aim of this work was to determine the concentrations of some heavy metals, specifically Cu, Cd, Pb, Cr and Fe in Gwadabawa lake, Gwadabawa Local Government, Sokoto State using standard methods (atomic absorption spectroscopy) and materials of analytical grade. The results were analyzed. The range of Fe concentration was 0.01 ± 0.001 to 1.37 ± 0.3(ppm), and range of Cu concentration determined was 0.00 to 0.02±0.008(ppm). The range …
Published in International Journal of Minerals · Vol. 1, Issue 1, 2024 · pp. 8–15 Read article
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Deformation and Densification Behaviour of Sintered Aluminium Alloy and Chromium Carbide Metal Matrix Preforms
Abstract: This paper presents comprehensive experimental results focused on the deformation and densification behavior of sintered AA2618 - 2% Cr3C2 metal matrix preforms. The study specifically examines preforms with varying aspect ratios subjected to a cold upsetting process. To create the powder preforms, an initial theoretical density of 89% was achieved using a cylindrical die on a 600 kN hydraulic press. The sintering process was conducted in an electric muffle furnace, …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 125–131 Read article
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Fabrication and Mechanical Characterization of Hybrid Metal Matrix Composite Castings
Abstract: This work investigates and addresses the casting of a novel hybrid composite material with tungsten carbide and aluminum-silicate particles mixed at varying weight fraction rates. Production of hybrid composite has some advantages if it is processed by near net shape techniques. The simplest method for dealing with this hybrid composite is the turbulence produced by the vortex agitating technique. The vortex mixing method is used in this study to create …
Published in Journal of Experimental & Applied Mechanics · Vol. 15, Issue 3, 2024 · pp. 32–38 Read article
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An Analysis of Machining Parameters for Metal Matrix Composite
Abstract: The electro-discharge machining analysis of hybrid Composite is presented in this work. Variables are chosen for the input process parameters. The material removal rate is acknowledged as an output parameter, together with the current, graphite and silicon carbide percentage and pulse on time. We used the Taguchi Method to conduct our experiments. To create the theoretical model and look into how process parameters affect the rate at which material is …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 76–85 Read article