Browsing Materials Science and Engineering by Title
Now showing items 62-81 of 107
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Geotechnical Properties of Lateritic Soil Stabilized with Bone Ash and Hydrated Lime for Road Construction Applications
(2020-12-12)This research is focused on evaluating the geotechnical properties of lateritic soil stabilized with bone ash and hydrated lime to improve the strength and quality of Nigerian lateritic soil (acquired from Galadimawa in ...
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Gold Nanoparticle for Medicine
(2010-12-15)Gold nanoparticles were synthesized by reducing aqueous chloroauric acid (HAuCl4) with three different bacteria. Various microorganisms were verified to see how feasible they will be in synthesizing gold nanoparticles. ...
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Hydrometallurgical Recovery of Lithium and Cobalt from Spent Lithium-Ion Batteries
(2019-07-12)The demand for lithium-ion batteries is high because of their high energy and power density, which most time is influenced by the lithium-ion cathode chemistry. However, the need for expensive and scarce metals, such as ...
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The Impact of Low Density Polyethylene (water sachets) on the Mechanical Property of Cement Mortar
(2014-12-12)Many building collapsed cases have been reported throughout the West African regions. It is recorded that during some of these subsidences, many lives are lost and the vast majority end up in hospitals and clinics with ...
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Implantable Biomems Devices for Localized Breast Cancer Drug Delivery
(2011-12-15)Implantable Bio-Micro-Electro-Mechanical Systems (BioMEMS) represent a new class of devices that can provide localized cancer drug delivery by the combined effect of chemotherapy and hyperthermia which gives it an advantage ...
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Improving the Wear Resistance of Barite Mining Tools
(2014-12-15)Wearing of mining tools leads to high replacement costs, machine downtime and loss of business opportunities. This work was however, aimed at improving the wear resistance of AISI 1065 and 1070 proeutectoid steels used for ...
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Induced Sickling of Erythrocytes Via Bending and the Effect of Mechanical Properties on Cell Pore Entry
(2014-12-15)Patients living with sickle cell disease are perpetually plagued with painful crisis episodes, caused by vascular occlusion. Over time, this leads to oxygen deprivation and the eventual damage of starved tissues and organs. ...
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Investigation of Cement Mortar and Steel used in Reinforced Concrete in Nigeria
(2014-12-15)The study explores the investigation of the chemical composition, microstructure and mechanical properties of steel and cement mortar used in reinforced concrete. The compositions and mechanical properties of the locally ...
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Investigation of Lead-Free Bismuth Perovskite by Numerical Simulation using Scaps
(2019-07-23)The theoretical study of methylammonium bismuth halide, (CH 3 NH 3 ) 3 Bi 2 I 9 , was simulated using SCAPS 1D software package. The effect of the bismuth perovskite absorber layer thickness on the solar cell performance ...
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Investigation of Lead-Free Bismuth Perovskite by Numerical Simulation using Scaps
(2019-06-23)The theoretical study of methylammonium bismuth halide, (CH 3 NH 3 ) 3 Bi 2 I 9 , was simulated using SCAPS 1D software package. The effect of the bismuth perovskite absorber layer thickness on the solar cell performance ...
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Investigation of Lead-Free Bismuth Perovskite by Numerical Simulation using Scaps.
(2019-07-22)The theoretical study of methylammonium bismuth halide, (CH 3 NH 3 ) 3 Bi 2 I 9 , was simulated using SCAPS 1D software package. The effect of the bismuth perovskite absorber layer thickness on the solar cell performance ...
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Investigation of Peo-Polymer Blend Electrolytes for Electrochemical Capacitors
(2019-07-23)Recently, there has been a drift of attention towards gel polymer based electrolytes owing to the fact that they are cheap and can achieve an extended potential window for improved energy density in s upercapacitor devices ...
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Investigation of Peo-Polymer Blend Electrolytes for Electrochemical Capacitors
(2019-07-13)Recently, there has been a drift of attention towards gel polymer based electrolytes owing to the fact that they are cheap and can achieve an extended potential window for improved energy density in s upercapacitor devices ...
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Investigation of Stress Corrosion Cracking of Storage Tanks used to Store Methanol for Gas Hydrate Inhibition
(2018-12-07)Methanol is normally used in the oil and gas industries for inhibiting gas hydrate. Before use, the methanol is normally stored in tanks often made of carbon steels and stainless steels, and these tanks are prone to corrosion ...
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Mechanical Performance of PVA/PAN Complexed with Aluminium Oxide (Al2O3) Nanopaticles for Solid Polymer Electrolyte
(AUST, 2022-11-10)Interest in solid polymer blends has increased due to the demand for flexible, lightweight, and long-lasting energy devices. Traditional lithium-ion batteries contain liquid electrolytes that pose a serious safety risk ...
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Modeling and Simulation of Stress Distribution and Crack Configuration of the Geometry of Ceramic Water Filter
(2011-12-15)Most countries in Africa are faced with difficult challenges in terms of providing safe, clean drinking water for their citizens. The world Health organization estimates that approximately 500 lives are lost per day in ...
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Modeling of Cold Welding and Lamination of Organic and Hybrid Organic /INORGANIC Structures
(2011-12-15)This research work presents the results of analytical studies of effects of pressure and adhesion energy on the interfacial properties of cold welded and laminated surfaces in organic and Hybrid Organic/Inorganic electronic ...
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Morphology Analysis of Lead Iodide- and Lead Acetate-Based Perovskite Layers for Solar Cell Application
(2018-12-09)Organolead trihalide perovskite solar cells have shown success as light absorbers in photovoltaic cells due to their efficiency increasing from 3.5% to over 20% within only five years. However, pinhole formation and ...
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Numerical Modeling of Wellbore Instability (TENSILE Failure) Using Fracture Mechanics Approach
(2013-05-12)When a well is drilled, the equilibrium in-situ stress is changed. In order to support the stress relief induced by the drilling and to prevent hydrocarbon influx into the cavity, the borehole is filled with a fluid. These ...
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Numerical Modeling of Wellbore Instability (SHEAR Failure) using Fracture Mechanics Approach
(2013-05-12)Wellbore instabilities are responsible for 10-20% of the total drilling cost. It has been estimated that wellbore instability causes an annual economic loss of US$ 500 - 1000 million in the oil industry across the world. ...