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258 articles for “low density”
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Enhancement in Surface Properties of Magnesium Alloy after Electroless Ternary Alloy Nano Composite Coating
Abstract: AZ91 Magnesium alloys have exceptional rigidity, low density, and electromagnetic protection properties, making them ideal for usage in numerous industrial components. But Magnesium alloys specially AZ91 have a significant disadvantage in terms of corrosion and hardness, which restricts their practical uses. One of the most recent ways for improving the corrosion and hardness of Mg alloys is electro-less nano-coating. This study investigates the hardness and corrosion properties of AZ91 Magnesium …
Published in Journal of Polymer & Composites · Vol. 10, Issue 2, 2022 · pp. 8–13 Read article
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Investigation on Mechanical Properties of Bamboo-Plastic Composites by Alkali Treatment and Illustration via Scanning Electron Microscopy
Abstract: The morphological properties, tensile and flexural strength of composite materials made of bamboo fibres and plastic were investigated. Bamboo-plastic composites (BPCs) were made from bamboo fibres, plastic, and urea formaldehyde (UF) resin to evaluate the effects on mechanical properties. Two different types of plastics, namely polypropylene (PP) and low-density polyethylene (LDPE) were used to make the composite fabrication. The bamboo fibres were extracted after soaking them in a sodium hydroxide …
Published in Journal of Polymer & Composites · Vol. 11, Issue 3, 2023 · pp. 86–95 Read article
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Design and Simulation of Z-Source Inverter Fed Brushless DC Motor Drive Supplied With Fuel Cell for Automotive Applications
Abstract: This paper presents design and simulation of Z-source inverter fed brushless DC motor drive supplied with fuel cell for automotive applications. The brushless DC (BLDC) motor are used due to many advantages such as high efficiency, high torque, high reliability, high-power density, lower maintenance compared to other motors in electric transport applications. The BLDC motor drive is with voltage source inverter (VSI) or current source inverter (CSI) because of low …
Published in Journal of Power Electronics and Power Systems · Vol. 6, Issue 3, 2016 · pp. 60–71 Read article
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Casting of Paver Block Using Waste Plastic for Cold Region
Abstract: Due to population growth, usages of plastic material are increasing day-by-day, most of the plastic material are dumped a landfill and they are not effectively reused in most of the application. Numerous researches in most were carried out using waste rubber in pavement construction. The degradation rate of plastic is also very slow process. It is found that the plastic is a very good binder for aggregate in pavement. Recycling …
Published in Recent Trends in Civil Engineering & Technology · Vol. 10, Issue 3, 2020 · pp. 1–5 Read article
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Design & Development of Helical Compression Spring Using Composite Material
Abstract: The paper embodies the manufacturing of a helical compression spring using composite material. The main motive for the use of composite material spring is its low density and greater stiffness to that of a steel spring. The composite material spring has greater stiffness to weight ratio as compared to the steel spring. We have manufactured carbon fibre and glass fibre spring using filament winding technique as less as possible economical …
Published in Trends in Mechanical Engineering & Technology · Vol. 10, Issue 3, 2020 · pp. 16–23 Read article
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Effects of Fiber Hybridization on Tensile, Flexural, and Impact Strength of Hybrid Natural Fiber Epoxy Composites
Abstract: This study investigates the mechanical performance of epoxy composites reinforced with hemp, ramie, and flax fibers and evaluates the effect of fiber hybridization. Single-fiber composites were fabricated using hand lay-up followed by vacuum-bagging consolidation and compared with three hybrid systems: hemp–flax (HF), hemp–ramie (HR), and flax–ramie (FR). Tensile, flexural, and drop-weight impact properties were evaluated using standardized test procedures. Among the single-fiber composites, flax exhibited the highest tensile strength of …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 295–305 Read article
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Investigation of Local Weighting Materials as a Substitute To Barite In Drilling Mud Formulation
Abstract: Weighting materials are important components needed to increase the density of drilling mud in order to provide enough hydrostatic pressure to balance abnormalpore pressures. In Nigeria, millions of dollars are spent annually in importing barite to serve this purpose. However, there exists large reserves of weighting materials such as barite, hematite, dolomite, calcite, ilmenite in Nigeria hence the need to investigate the suitability of these materials as substitute for imported …
Published in Journal of Materials & Metallurgical Engineering · Vol. 10, Issue 1, 2020 · pp. 39–48 Read article
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Na-Air Battery: The Battery of the Future—A Review
Abstract: Metal-ion batteries came into the limelight with the invention of Zn-ion battery as early as 1878, but its commercial viability came into picture in 1990 and lithium-ion cell in 1977. Since then, a number of metals have been experimented upon and similar rechargeable secondary storage batteries like Al-ion, Na-ion, Sn-ion, Mg-ion, K-ion have been developed. In this type of battery, electrochemical dynamics involves the movement of only one kind of …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 15, Issue 3, 2024 · pp. 1–19 Read article
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Study on the Rocking Phenomenon of Parachute Rope
Abstract: With the constant development of computer technology and the development of numerical simulation techniques, the simulation of the dynamics of the parachute is becoming increasingly accurate. To eliminate the effects of large deformation of the grid in the conventional parachute simulation, we chose the parachute model using the smooth particle hydrodynamics method and performed a steady-state fluid-solid coupling numerical simulation, which is in good agreement with the calculated gas power …
Published in Trends in Mechanical Engineering & Technology · Vol. 15, Issue 2, 2025 · pp. 1–7 Read article
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Pneumatic Operated Engine
Abstract: The increasing awareness of fossil fuel depletion & environmental pollution has accelerated the need for the development of sustainable & eco-friendly alternatives to traditional internal combustion engines. Pneumatically operated engines have been identified as a potential alternative for small-scale mechanical power generation owing to their advantages of zero exhaust emissions, noise reduction & operational safety. This paper describes the design, development & performance analysis of a pneumatically operated engine, which …
Published in International Journal of Mechanical Dynamics and Systems Analysis · Vol. 4, Issue 1, 2026 · pp. 1–7 Read article
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Energy harnessing solution using a vertical axis wind turbine installed on the automotive rooftop.
Abstract: The transportation sector plays a major role in greenhouse gas emissions, prompting worldwide initiatives to mitigate its environmental effects. While the shift from internal combustion engines to electric vehicles is growing, it often merely shifts emissions rather than eliminating them, as fossil fuels continue to dominate energy production. A comprehensive solution requires universal access to renewable energy sources like wind, solar, and hydro power, which is currently impractical due to …
Published in Journal of Automobile Engineering and Applications · Vol. 11, Issue 3, 2024 · pp. 1–21 Read article
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Characterization of Antibacterial and Biofilm Inhibition in Tin and Zinc Oxide Nanoparticle-Doped Orthodontic Composites
Abstract: Background: This study investigated the antibacterial effectiveness of orthodontic adhesive enhanced with stannous oxide (SnO₂) nanoparticles against Lactobacillus acidophilus and Streptococcus mutans, in comparison to traditional adhesives without nanoparticle infusion. Methods: A modified orthodontic adhesive was prepared by incorporating 1% w/w of tin dioxide and zinc oxide nanoparticles (SnO₂ + ZnO₂ NPs) into Transbond XT. This nanoparticle-enhanced composite was used to fabricate discs for assessing antibacterial activity against Lactobacillus acidophilus …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 230–239 Read article
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Footstep Power Generation Using Piezoelectric Materials: A Renewable Approach for Smart Infrastructure
Abstract: The rapid depletion of fossil fuels and the increasing global demand for sustainable energy have necessitated the development of decentralized energy harvesting systems. This paper presents a comprehensive study on footstep-based power generation using piezoelectric materials as a viable renewable energy solution for smart infrastructure. The proposed system converts mechanical energy generated from human locomotion into electrical energy using optimized piezoelectric transducer arrays integrated beneath floor tiles. The study covers …
Published in Trends in Electrical Engineering · Vol. 16, Issue 1, 2025 Read article
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Possible Histological Changes in the pancreas of Female Albino Rats for Prolonged Administration of Aspartame
Abstract: Aspartame sweetener was noted to be inducing histopathological changes on the pancreatic tissue of female albino rats so this study defined the aims and objectives properly. Biometry did use materials from the animal facility of the Department of Biology College of Science, University of Kufa. The study was carried out over the duration of two months where thirty male rats aged between 15 to 20 weeks with body weight of …
Published in Research and Reviews: A Journal of Toxicology · Vol. 15, Issue 1, 2025 · pp. 15–21 Read article
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Developments of Fiber-reinforced Plastics
Abstract: This article is a description of fiber-reinforced plastic to subject composite, where individual constitutions have been reinforced to develop better properties than individual materials. Fiber-reinforced composite materials are alternatives over solitary metals or alloys in terms of strength, stiffness, density, and low cost with improved sustenance. Differential behavior from composited formation has functionally upgraded after usage from the equivalent differential proportion of filler added. Or add-in addendum has been implicated …
Published in Emerging Trends in Chemical Engineering · Vol. 8, Issue 2, 2021 · pp. 1–9 Read article
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Voltage Sag Mitigation Using DVR and Ultra Capacitor
Abstract: Due to the rising integration of renewable energy sources into the power system, power quality issues have recently become more significant. Voltage sags and swells are among the biggest issues with a power system, and a lot of research has been done to try to solve these issues. Equipment for power conditioning can enhance the quality of the power. Dynamic voltage restorers (DVR) are used to shield sensitive loads from …
Published in Journal of Semiconductor Devices and Circuits · Vol. 9, Issue 3, 2022 · pp. 21–31 Read article
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Properties and Recent Progress in Oxide-Based Thermoelectric Materials
Abstract: Advanced thermoelectric materials that can be used efficiently for energy conversion have received significant research interest for the last decade because of the mounting demand for sustainable and eco-friendly energy technologies. The main advantage of thermoelectric materials is their capability to directly convert the waste heat into electrical energy which makes them highly promising for the recovery of waste heat from industrial processes, automotive systems and power generation applications. Oxide-based …
Published in International Journal of Energy and Thermal Applications · Vol. 4, Issue 2, 2026 Read article
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Experimental Investigation of Effect of Laser Process Parameters and Heat Input on Hardened Bead Geometry and Power Density of ASTM Grade 3 Pure Titanium using CW Laser Beam
Abstract: This research paper presents the experimental study of laser process parameters and heat input on hardened bead profile of ASTM Grade 3 commercially pure titanium sheet of 1.5 mm thickness using 2kW CW Nd: YAG laser. The selected two laser process parameters are: (1). Low laser process parameter (LLPP): Laser Power (LP): 600 Watts, Scanning speed (SS): 2000 mm/min, Focused position (FP): -10 mm with heat Input (HI): 180 J/cm …
Published in Journal of Materials & Metallurgical Engineering · Vol. 7, Issue 2, 2017 · pp. 42–52 Read article
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Triboelectric Charge Density Enhancement in Zinc Oxide Decorated Polymer Nanogenerators for Energy Harvesting Systems
Abstract: The growing need for wearable electronics, wireless sensor networks, and IoT devices has pushed research on triboelectric nanogenerator for long-term energy harvesting. However, traditional polymer-based TENGs' low triboelectric charge density restricts their energy conversion efficiency and practical performance. This research presents a zinc oxide (ZnO)-decorated polymer triboelectric nanogenerator designed to enhance surface charge density and improve electrical output. ZnO nanoparticles were synthesized using a hydrothermal method and uniformly deposited onto …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article
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Improved Performance Characteristics of a Designed 1050 nm Bottom Emitting MQW VCSEL using Al0.25Ga0.22In0.53As/InP Materials
Abstract: AbstractIn this work, the design and performance characteristics of a bottom emitting Al0.25Ga0.22In0.53As/InP Multi-Quantum Well (MQW) Vertical-Cavity Surface-Emitting Lasers (VCSEL) have been presented for operation at a wavelength of 1050 nm. The transparency carrier density and bandgap energy of the QW and barrier materials are computed. An improved performance of the designed VCSEL has been obtained by selecting a material with high gain and lower transparency carrier density in the …
Published in Trends in Opto-electro & Optical Communication · Vol. 3, Issue 3, 2013 · pp. 22–30 Read article