Browsing Materials Science and Engineering by Title
Now showing items 71-90 of 110
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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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Kinetics and Controlled Localized Drug Release From Chitosan-Ascorbic Acid Complex Based Microparticles For Potential Treatment of Triple Negative Breast Cancer
(AUST, 2018-12-10)Triple Negative Breast Cancer (TNBC) is the most predominant form of breast cancer among women of African descent. Breast cancers affects many women globally and the existing treatment methods, such as chemotherapy, have ...
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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. ...
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Numerical Study of Mechanical Properties of Hybrid Solar Cell Thin Film Layers by Nanoindentation
(2021-06-14)The evolution in the use of solar panels for generation of electricity has been immense throughout the world, especially in the last decade. This has seen both organic and inorganic solar panels, with both of them possessing ...
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Numerical Study of Mechanical Properties of Hybrid Solar Cell Thin Film Layers by Nanoindentation
(2021-06-12)The evolution in the use of solar panels for generation of electricity has been immense throughout the world, especially in the last decade. This has seen both organic and inorganic solar panels, with both of them possessing ...
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Optimization of Polyvinylpyrrolidone (PVP) as A Potential and Suitable Binder for Electrochemical Supercapacitor
(2020-12-12)Polyvinylpyrrolidone (PVP) is suitable alternative to the polyvinylidene fluoride (PVDF) often used binder in electrode of supercapacitor. The major problem of the PVP is the part it plays in the conductivity of ions in ...
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Oxidation of TBC Coated Nickel Based Superalloys and Gamma Titanium Aluminides for Land-Based Engines
(2014-12-12)Our ability to power modern airplanes and land based engines depends largely on the thrust generated most importantly by aero engines. Over the past 30 years material cost has become an important factor, especially in ...
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Paclitaxel Loaded Polylactide-Co-Glycolide Acids for Coronary Artery Disease and Cancer Treatment
(2013-04-07)The number one killer disease in the world is Cardiovascular Disease1. The most serious element of Cardiovascular Disease is Coronary Artery Disease. Currently, the main treatment for Coronary Artery Disease is stent ...