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368 articles for “fractionizing”
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Studies on the Variations of Drain Current in Gallium Nitride based High Electron Mobility Transistors
Abstract: AbstractIn this work, total 2477 individual simulation outputs are reported. Variations in drain current with respect to the electrical parameters (drain voltage and gate voltage) and structural parameters of high electron mobility transistors (HEMTs) have been studied. The drain current is higher corresponding to larger aluminium mole fraction. This study will be useful to fabricate the HEMT based biomedical sensors.Keywords: Drain current, drain voltage, gate voltage, high electron mobility transistorCite …
Published in Journal of Microwave Engineering and Technologies · Vol. 5, Issue 1, 2018 · pp. 13–24 Read article
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Gain Enhanced 2.4 GHz Slotted Rectangular Microstrip Patch Antenna with FR-4 Epoxy Substrate
Abstract: Applications that use the Internet of Things (IoT) must be combined with wireless networking technologies. This makes it easy to get to the application data. The wireless communication system is a key part of the infrastructure for the Internet of Things. It acts as a bridge for two-way connections to gather data and send control messages. In this work, HFSS software is used to create a rectangular microstrip patch antenna …
Published in Journal of Microwave Engineering and Technologies · Vol. 10, Issue 1, 2023 · pp. 20–26 Read article
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Fully Interpenetrating Polymer Network from Natural Rubber and Guar Gum
Abstract: Fully interpenetrating polymer network (IPN) based on natural rubber (NR) and guar gum (GG) was prepared by using glutaraldehyde as a common crosslinking agent. As both the polymers are naturally occurring and the resulting IPN material can be termed as a green polymeric material. The solvent resistance properties of these samples were investigated by equilibrium swelling method using benzene as a solvent. Benzene was used as the penetrant for the …
Published in Journal of Materials & Metallurgical Engineering · Vol. 5, Issue 2, 2015 · pp. 18–21 Read article
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Recovery of Iron Values from Waste Iron Ore Slime
Abstract: Iron ore slime is a waste material generated after beneficiation of iron ores. Due to limited iron ore resources and fast depleting of high-grade iron ore, iron ore producers are emphasizing on recovery of iron values from iron ore slime. Different beneficiation techniques such as hydrocyclone, Wet High Intensity Magnetic Separator (WHIMS), Dispersion-flocculation, and Flotation are some options to recover the lost iron value from the waste. In the present …
Published in Journal of Materials & Metallurgical Engineering · Vol. 6, Issue 3, 2016 · pp. 25–31 Read article
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Effects of Composition on Structure & Mechanical Property of TiAl Based Intermetallic Compounds
Abstract: The effects of Al content and ternary additions such as Mo, V and Si in as cast g based alloys made by plasma arc melting on solidification structures and mechanical properties were studied. The Columnar g /a2 lamellar structures in Al-lean alloys due to primary a solidification had higher room temperature fracture strength and strain than g phase structures through the reaction of L + a = g in Al-rich …
Published in Journal of Materials & Metallurgical Engineering · Vol. 11, Issue 3, 2021 · pp. 1–10 Read article
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Fabrication and characterization of Tensile properties ofaluminium 5083/silicon carbide/fly ash composites for advanced engineering applications
Abstract: The present work includes the fabrication of hybrid Metal Matrix Composite materials by consolidating the attractive traits of Metals, Ceramics and byproducts of combustion in power plants. More often than not, when no less than two reinforcements are introduced into the matrix phase, it is known as a hybrid composite and current research focuses on fabrication and characterization of composite materials. Aluminum Metal Matrix Composites with Silicon carbide reinforcements are …
Published in Journal of Polymer & Composites · Vol. 6, Issue 2, 2018 · pp. 6–9 Read article
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Effect of Polymer Modified Fibers on Strength of Concrete
Abstract: AbstractThe results of an experimental investigation to study the effects of hooked steel fibers with varying dosage and polymer latex with fixed dosage in concrete are studied. In this experimental study, varying volume fraction of hooked steel fibers from 0% to 7% by weight of cement at the interval of 1% of fiber and SBR latex polymer of fixed volume of 15% by weight of cement were used. All specimens …
Published in Journal of Polymer & Composites · Vol. 3, Issue 1, 2015 · pp. 15–24 Read article
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Thermo-Mechanical Properties of Unsaturated Polyester Reinforced with Coconut and Snail Shells
Abstract: AbstractParticulate-filled polymer composites are becoming quite attractive because of their low cost and wide applications. In this study, the effects of coconut shell (CS) and snail shell (SS) volume fractions (5–50 vol. %) on the thermal and mechanical properties of unsaturated polyester resin (UPR) composite are investigated. The results show that tensile strength, elongation at break, flexural strength, and hardness of the composite increase as filler concentration increases. However, impact …
Published in Journal of Polymer & Composites · Vol. 2, Issue 2, 2023 · pp. 44–56 Read article
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An Overview on Synthesis of Magnesium alloy based Metal Matrix Composites
Abstract: Magnesium alloy based composites are viewed as potential candidates for various applications in automobile, aerospace and defense sectors. Magnesium alloys majorly consisting of magnesium with fractional quantities of aluminum, zinc and manganese, are popularly used in light weight applications. This alloy can be reinforced with many of the ceramic oxides such as silicon nitride (Si3N4), Titanium carbide (TiC) etc in various forms to improve its mechanical and tribological properties. Currently …
Published in Journal of Polymer & Composites · Vol. 9, Issue 1, 2021 · pp. 1–6 Read article
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An Approach on Optimization of Thermo Physical Properties of Teak Wood Dust Filled Polymeric Composites
Abstract: The aim of the present work was to prepare the specimens with the help of hand-lay-up technique to measure the thermal properties of TWDPC. The density & voids of TWDPC were measured to determine its physical property & significantly affected some of its mechanical properties. Taguchi experimental method was applied to optimize its thermal properties. The optimal factor combinations were determined with the help of ANOM & the analysis of …
Published in Journal of Polymer & Composites · Vol. 9, Issue 3, 2021 · pp. 67–80 Read article
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Fuel Cell Technologies for Automotive Applications
Abstract: About 175 years have passed since the invention of the Fuel Cell by Schoenbein und Grove, however, fuel cell-based automobiles have received increased attention in the last few years due to growing public concern over urban air pollution and consequent environmental problems. Direct combustion of fuel for transportation accounts for over half of greenhouse gas emissions and a significant fraction of air pollutant emissions. Fuel cell power systems for automotive …
Published in Journal of Power Electronics and Power Systems · Vol. 12, Issue 1, 2022 · pp. 1–15 Read article
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PSO Based Design and Analysis of Hybrid Optimization Technique using DC-DC converter with MPPT Technique
Abstract: The power voltage trademark curve of photovoltaic (PV) exhibits has several tops under fractional circumstances; The PV model worked at most extreme power gives more effectiveness. With the goal that the MPPT is used. The current Greatest Limit Point Following (MPPT) control strategies might neglect to work. However, the particle swarm optimization (PA) algorithm is more suitable for solving many serious optimization problems. Then this paper proposes a new algorithm …
Published in Journal of Power Electronics and Power Systems · Vol. 12, Issue 3, 2022 · pp. 9–18 Read article
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Extent of Beneficiation of Tsopoli and Akuse Clay Deposits as Drilling Fluids Materials
Abstract: The need to source for a local material for the design of drilling fluid has necessitated the study of two smectite clay reserve deposits which are abundant in Ghana and have been the subject of study for many years for other engineering disciplines. A study of their degree and extent of beneficiation quantities has been carried out using standard rheological and filtration test as well as governing protocols while at …
Published in Journal of Petroleum Engineering & Technology · Vol. 10, Issue 2, 2020 · pp. 15–37 Read article
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Physicochemical Characterization of Niger crude for processing and transport
Abstract: Niger crude oil physic chemical properties which influence it processing and flow behavior was investigated in this study. The bulk characterization includes specific gravity, viscosity, pour point, freezing point, wax content, sulfur content, SARA fraction and the Colloidal Instability Index analyses. Results indicate that the crude oil is paraffinic, light and sweet with high wax content (24.8%).The rheological behavior studied from the viscosity variation show that it is very viscous …
Published in Journal of Petroleum Engineering & Technology · Vol. 10, Issue 2, 2020 · pp. 38–43 Read article
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Review on Chemical Separation of Crude Oil and Analysis of Its Components
Abstract: Crude oil is chemically composed of a complex mixture of hydrocarbons of different gaseous, liquid and solid states, the total of which may reach more than 17,000 organic compounds. At standard conditions of pressure and temperature the light hydrocarbons with carbon numbers 1 to 4 (methane, ethane, propane, butane) are present in gaseous form; Whereas pentane and the heavier hydrocarbons are found in liquid form, and in the heavy fractions …
Published in Journal of Petroleum Engineering & Technology · Vol. 11, Issue 2, 2021 · pp. 35–49 Read article
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Evaluation of the Properties of Sugarcane Bagasse Composites
Abstract: Many of the researches are ongoing towards these natural fibre composites in order to replace few materials like plastic and ceramics. In this work we have focused on the preparation of a polymer matrix composite using sugarcane bagasse fibre which intern helpful to study regarding its mechanical behavior. Over the past thirty years of composite materials history says that it has been the dominant emerging materials which have proved with …
Published in Journal of Production Research & Management · Vol. 10, Issue 2, 2020 · pp. 20–23 Read article
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Evaluation of Mechanical Properties of Hybrid Fibers in Concrete
Abstract: Engineering Cementitious Composites (ECC) is an advanced growing method to increase the longevity of the structure in all behaviour aspects. ECC consist of cement, fine aggregate, fiber and water.High performance, ductility and durability of cementitious matrix can be achieved by addition of fiber. Nowadays, the member of fibers play a vital role to increase the overall structural behaviour of concrete matrix. In that, synthetic-based fibers are used in various applications. …
Published in Journal of Structural Engineering and Management · Vol. 2, Issue 1, 2015 · pp. 1–5 Read article
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Comparative Study of PSC Spun Pole using Higher Grade Concrete without and with Discontinuous Glass Fiber
Abstract: This experimental study was carried out on the prestressed concrete spun pole of length 13 m with and without use of anti-crack discontinuous glass fiber in high-strength concrete. The pole is having outer diameter at top and bottom as 206 mm and 379 mm respectively. The pole is having thickness 50~55 mm. The investigations were done to study the effect of use of high dispersion discontinuous glass fiber on deflection …
Published in Journal of Structural Engineering and Management · Vol. 1, Issue 1, 2014 · pp. 1–6 Read article
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Studies on the Electrical Characteristics of AlGaAs/GaAs High Electron Mobility Transistors
Abstract: AbstractIn this work, total 5722 individual simulation outputs are reported. The effects of drain voltage, gate voltage, aluminium mole fraction, and gate length on drain current are studied in AlGaAs/GaAs high electron mobility transistors (HEMTs). The linear region and saturation region are prominent in each drain characteristic curve. The drain current reduces in the structure of larger gate length. This work is useful to fabricate the HEMT based biomedical sensors. …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 5, Issue 3, 2018 · pp. 30–40 Read article
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Processing of Magnesium Metal Matrix Composite Reinforced with Graphene Nano Platelets through Vacuum Stir Casting and Investigating its Mechanical Behaviour
Abstract: AbstractThe application of metal matrix composites (MMCs) as structural engineering materials has received increasing attention in recent years. Their high strength and toughness at elevated temperatures coupled with low-density makes them suitable for use in applications where conventional engineering materials, such as steel are used. MMCs exhibit significantly higher stiffness and mechanical strength compared to matrix alloys, but often suffer from lower ductility and interior fracture toughness. MMCs have the …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 5, Issue 3, 2018 · pp. 21–29 Read article