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Realization Of An All-Optical D And T Flip Flops With Nano-Structure Using Hybrid Plasmonic Waveguides, Saif Abdulwahid, Ahmed Wadday, Sinan Abdul Sattar Mar 2026

Realization Of An All-Optical D And T Flip Flops With Nano-Structure Using Hybrid Plasmonic Waveguides, Saif Abdulwahid, Ahmed Wadday, Sinan Abdul Sattar

Engineering and Technology Journal

Surface waves are electromagnetic waves propagating along the interface between a metal and an insulator. Surface waves break the diffraction limits and enable light to propagate in sub-wavelength structures. That opens the field of electro-opto devices. The main drawbacks of surface waves that move in the Plasmonic Waveguides (PWs) are propagation loss and low light confinement. Using a combination of the plasmonic waveguide and a Dielectric Waveguide (DW), the defect of the surface waves can be enhanced, and the Hybrid Plasmonic waveguide (HPW) is introduced. In this research, the design of an all-optical flip flop with 400 nm × 400 …

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Effect Of The Material Properties Of The Rotor-Disc On The Performance Of Eddy Current Braking Systems, Ahmed Salman, Jamal Mohammed, Farag Mohammed Mar 2026

Effect Of The Material Properties Of The Rotor-Disc On The Performance Of Eddy Current Braking Systems, Ahmed Salman, Jamal Mohammed, Farag Mohammed

Engineering and Technology Journal

Failure of traditional brakes occurs due to raised temperatures and the formation of structural fractures caused by wear and strain. For resolving mechanical brake problems, consider employing contactless braking technology, also known as eddy current braking, which offers a smoother deceleration. This research aims to assess the suitability of multi-materials for designing brake discs (ECBs) for use in automobiles. The choice of material for the rotor disc is crucial in the design of eddy current brakes. Different material factors impact the performance of these brakes. Therefore, there is a need for a material that possesses superior mechanical properties, high electrical …

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A Comprehensive Review Of The Hybrid Heating Systems Consisting Of Heat Pumps And Solar Collectors For Hot Water And Space Heating Application, Ghazwan Mohammed, Ahmed Saleh, Abdul Hadi Khalifa Mar 2026

A Comprehensive Review Of The Hybrid Heating Systems Consisting Of Heat Pumps And Solar Collectors For Hot Water And Space Heating Application, Ghazwan Mohammed, Ahmed Saleh, Abdul Hadi Khalifa

Engineering and Technology Journal

A solar-assisted heat pump system is a hybrid system that integrates a solar collector and a heat pump, serving diverse functions such as space conditioning, drying, and generating heated water. The system's classification is based on the connection configuration of the solar collector and heat pump, which may involve a serial, parallel, or dual arrangement. Solar-assisted heat pump systems enhance output efficiency by harnessing solar energy in various heating modes, with the effectiveness contingent on the prevailing environmental conditions. As stated above, these systems are essential in lowering power consumption and reducing emissions. This study comprehensively assesses the research and …

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Effect Of Nano And Nanocomposite Coating On Pool Boiling Heat Transfer, Ali Al-Obaidy, Ekhlas Fayyadh, Amer Al-Dabagh Mar 2026

Effect Of Nano And Nanocomposite Coating On Pool Boiling Heat Transfer, Ali Al-Obaidy, Ekhlas Fayyadh, Amer Al-Dabagh

Engineering and Technology Journal

High heat generation is the main problem that sophisticated electronic devices can suffer. The pool boiling process can offer an excellent heat dispassion at constant temperatures. Therefore, it is one of the most powerful cooling processes used in nuclear power plants, data centers, air conditioning, etc. Because of that, enhancing pool boiling has become a goal of many recent investigations. The current paper presents an experimental study to evaluate the effect of nano and nanocomposite coating on the performance of pool boiling of deionized water under atmospheric pressure. Four surfaces made of copper were used in this study: smooth, CNT …

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Parametric Analysis For Performance And Emissions Of Gasoline Direct Injection Engine Using Mathematical Modelling, Omar Yousif, Mahmoud Mashkour Mar 2026

Parametric Analysis For Performance And Emissions Of Gasoline Direct Injection Engine Using Mathematical Modelling, Omar Yousif, Mahmoud Mashkour

Engineering and Technology Journal

The study aims to estimate the performance and emissions of a gasoline direct injection (GDI) engine by analyzing parameters such as engine speed between 2000 and 6000 rpm, compression ratio (CR) between 9 and 13, and the start of ignition between 140 and 180 deg. A thermodynamic mathematical model was developed using MATLAB to simulate the two-zone combustion process of a four-cylinder, four-stroke direct injection engine operating on gasoline at specified parameters. The results showed that parameter variations greatly affect the performance and emissions of the GDI engine. The highest values of in-cylinder pressure, burned and unburned temperature, cumulative engine …

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Small-Scale Thermoelectric Incinerator Prototype For Sustainable Waste Management And Power Generation, Yepy Sofi’I, Sudarman Sudarman, Roro Hendaryati, Suwarsono Suwarsono, Andinusa Rahmandhika, Rizki Hidayatulloh, Muhammad Budiman, Galuh As'adi, Ramdhan Zaroby, Willy Nugroho Mar 2026

Small-Scale Thermoelectric Incinerator Prototype For Sustainable Waste Management And Power Generation, Yepy Sofi’I, Sudarman Sudarman, Roro Hendaryati, Suwarsono Suwarsono, Andinusa Rahmandhika, Rizki Hidayatulloh, Muhammad Budiman, Galuh As'adi, Ramdhan Zaroby, Willy Nugroho

Engineering and Technology Journal

Indonesia faces a significant challenge in managing its waste effectively. Conventional incineration, while reducing waste volume, raises environmental concerns due to emissions. This research explores a novel approach by developing a thermoelectric incinerator prototype with a 10 kg/hour capacity. The incinerator aims to convert heat generated during waste incineration into electrical energy, offering an environmentally friendly alternative for waste management. The research involved designing and modeling the incinerator using Ansys Fluent 2021 R1 software. Incineration tests were conducted experimentally using 5 kg organic and 5 kg inorganic waste for 30 minutes. Critical parameters such as temperature distribution, moisture content, calorific …

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Exploring The Impact Resistance Of Hybrid Sandwich Composite Body Armor Through Experimental Analysis, Waad Khalaf, Mohsin Hamzah Mar 2026

Exploring The Impact Resistance Of Hybrid Sandwich Composite Body Armor Through Experimental Analysis, Waad Khalaf, Mohsin Hamzah

Engineering and Technology Journal

Hybrid composite sandwich structures, known for remarkable energy absorption, rigidity, and strength, are emerging as a preferred choice for fortifying structures against a diverse range of firearms and artillery. Despite their higher density, these panels demonstrate commendable qualities, making them optimal for armored vehicles and body armor. Numerous structural options compete for recognition as effective ballistic shields in today's context.  In this study, three sample configurations were rigorously tested for ballistic impact using a 7.62×39 mm bullet. The first sample (S1) comprised silicon carbide ceramic tiles (SiC), Kevlar fiber, and carbon fiber in the face sheet, with an unfilled aluminum …

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Estimating The Wear Behavior Of Hdpe Composites Reinforced With Nano Alumina Fillers Using Taguchi Method, Orhan Abdullah Mar 2026

Estimating The Wear Behavior Of Hdpe Composites Reinforced With Nano Alumina Fillers Using Taguchi Method, Orhan Abdullah

Engineering and Technology Journal

High-density polyethylene (HDPE), like other polymers is important in many applications due to its unique properties like low cost, weight, and availability. Recently, HDPE reinforced with ceramic fillers was considered in biomedical applications, especially in fabricating joint/bone replacements. Therefore, these applications required high wear resistance materials to serve under specific conditions. In this work, an optimization with Taguchi method was considered to associate the influence of nano alumina fillers, normal applied load, and sliding time on the wear rate values for hip joint replacement applications. In the first step, a TEM test was conducted on the prepared composites to ensure …

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Modeling And Analysis Of Thermoelectric Atmospheric Water Generation In The Economic City Of Iraq, Ammar Al-Tajer, Wissam Alawee, Hayder Dhahad, Zakaria Omara Mar 2026

Modeling And Analysis Of Thermoelectric Atmospheric Water Generation In The Economic City Of Iraq, Ammar Al-Tajer, Wissam Alawee, Hayder Dhahad, Zakaria Omara

Engineering and Technology Journal

Atmospheric Water Generation assumes substantial significance as an innovative remedy for addressing water scarcity and augmenting water resilience. This technology facilitates water extraction directly from the atmosphere, presenting a sustainable and decentralized approach to water supply. The investigation into the feasibility of attaining the dew point temperature for a heatsink operating in the climatic conditions of Basra was conducted using Fluent 22.1 software. The minimum dew point temperature under extreme conditions was determined to be 10.52℃. A thermoelectric device was a primary component in cooling the moisture-laden air to produce water from atmospheric air. Simulations were executed using two complementary …

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Enhancing Performance Of Double-Slope Solar Stills Through Optimization Of Heat Addition Methods: A Comprehensive Analysis, Mariam Murad, Wissam Alawee, Hayder Dhahad, Z.M. Omara Mar 2026

Enhancing Performance Of Double-Slope Solar Stills Through Optimization Of Heat Addition Methods: A Comprehensive Analysis, Mariam Murad, Wissam Alawee, Hayder Dhahad, Z.M. Omara

Engineering and Technology Journal

This comprehensive research paper reviews the latest techniques to enhance the productivity of double-slope solar stills by providing quantitative data on key research outcomes. With the global water scarcity crisis and the need for effective desalination technology, this study focuses on solar-based desalination techniques and their specific application in double-slope solar stills. This paper offers a comprehensive and quantitative analysis of heat addition methods in double-slope solar stills by examining published research findings, providing valuable insights for researchers and practitioners. The study reveals significant improvements in productivity through various modifications. Evaporation enhancement, heat transfer enhancement, and condensation enhancement have proven …

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Characterization Of Alkaline Treated Raffia Palm Fibres As Reinforcement In Polymer Composite, Ipilakyaa Daniel, Tile Emmanuel, Nyior Bem, Gundu Terfa Mar 2026

Characterization Of Alkaline Treated Raffia Palm Fibres As Reinforcement In Polymer Composite, Ipilakyaa Daniel, Tile Emmanuel, Nyior Bem, Gundu Terfa

Engineering and Technology Journal

The characterization of raffia palm fibre (RPF) for reinforcement in polymer composite for specialized applications was studied. The fibres were treated with NaOH solution and subjected to a tensile strength test. The fibres were also subjected to spectroscopy using Fourier transform infrared (FTIR), energy dispersive x-ray fluorescence (EDXRF), and x-ray diffraction (XRD). The study found that the alkaline-treated RPF presented a tensile strength of 195 MPa and Young’s modulus of 91.76 MPa. The strain at maximum stress in the fibre was found to be 2.125%. FTIR spectra of treated raffia palm fibres revealed that the fibres are characterized by O-H …

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Effect Of Tool Profile On Micro Hardness, Forming Limit, And Final Thickness In Incremental Hole Flanging Process Of Dc01 Steel And Aa1050 Sheet Metals, Hunar M. Ali, Hameed Lafta, Ayad Shahab Mar 2026

Effect Of Tool Profile On Micro Hardness, Forming Limit, And Final Thickness In Incremental Hole Flanging Process Of Dc01 Steel And Aa1050 Sheet Metals, Hunar M. Ali, Hameed Lafta, Ayad Shahab

Engineering and Technology Journal

The present study delves into the incremental hole flanging process applied to AA1050 and DC01 sheet metals with 0.7 and 1 mm thicknesses. Employing a distinctive lathe-based fixture, the process utilizes a proposed tool profile and fixture incorporating mutually spinning and rolling motions. The investigation covers three forming angles (72°, 90°, and 45°) and three different rotational forming speeds (170, 350, and 525 RPM). The primary objective is to assess the impact of tool forming angle, forming speeds on microhardness, thickness ratio, and forming limit diagram. The study employs a microhardness test, measurements of flange height, and final thickness. Results …

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3d Printing For Wind Turbine Blade Manufacturing: A Review Of Materials, Design Optimization, And Challenges, Ahmed Zarzoor, Alaa Jaber, Ahmed Shandookh Mar 2026

3d Printing For Wind Turbine Blade Manufacturing: A Review Of Materials, Design Optimization, And Challenges, Ahmed Zarzoor, Alaa Jaber, Ahmed Shandookh

Engineering and Technology Journal

Wind energy has become an easy-to-harness source by converting captured wind currents into electrical energy. Powerful and customizable wind turbines are used to convert wind energy efficiently. However, wind turbine development in terms of structure is still an active area of research aiming at efficiently building capable and long-lasting turbines. Additive manufacturing technology, particularly 3D printing, has revolutionized multiple industries, including its potential to create wind turbine blades with high cost-effectiveness and optimizable shapes and rigid structures. In this review, various 3D printing-based techniques, including Fused Deposition Modelling (FDM), Continuous Fiber Reinforcement (CFR), Stereolithography (SLA), and 3D Printing-enhanced Large-Scale Additive …

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Theoretical And Experimental Investigation Of The Effect Of Heat Flux To Lift Water In A Solar Bubble Pump, Ihab Omar, Ahmed Saleh, Ahmed Alhusseny Mar 2026

Theoretical And Experimental Investigation Of The Effect Of Heat Flux To Lift Water In A Solar Bubble Pump, Ihab Omar, Ahmed Saleh, Ahmed Alhusseny

Engineering and Technology Journal

In remote areas, a scarcity of accessible water poses a significant predicament, and sun-powered propelling contraptions offer promising solutions. It is possible to collect solar energy with the goal of raising a fluid. Bubble pumps are used in the process of creating two-phase flows via the boiling of fluids in diffusion-absorption refrigeration cycles. In this investigation, a solar-powered bubble pump lifted the water. EES, which stands for engineering equation solver, was used in order to carry out the theoretical study of the bubble pump technology. Based on the results, it was determined that the void fraction displays a pattern that …

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The Impact Of Electronic Control Systems On Improving The Performance Of The Solar Heater, Ekram Alaskaree, Younus Breesam Mar 2026

The Impact Of Electronic Control Systems On Improving The Performance Of The Solar Heater, Ekram Alaskaree, Younus Breesam

Engineering and Technology Journal

In this study, the effect of an electronic control system (ECS) on the performance of a solar heater fabricated from recycled materials was investigated . The study found that the maximum thermal energy output before installing the ECS stood at 378 W, which was significantly improved to 450 W after integration, indicating a commendable enhancement in the efficiency of the solar heater. The thermal efficiency of the solar heater also saw a substantial jump from 71.7% to 82% after connecting the ECS. The study also uncovered the temperature disparity between the trapped and ambient air (max. ΔT = 20.4 °C) …

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Experimental Analysis And Combustion Characteristics Of Briquettes From Different Wood In Nigeria, Oluwaseyi Alabi, Timothy Adeyi, Sakiru Ekun Mar 2026

Experimental Analysis And Combustion Characteristics Of Briquettes From Different Wood In Nigeria, Oluwaseyi Alabi, Timothy Adeyi, Sakiru Ekun

Engineering and Technology Journal

The increasing demand for sustainable and renewable energy sources has prompted extensive research into alternative biomass fuels, particularly in regions like Nigeria, where traditional wood-based fuels are prevalent. A comprehensive experimental analysis of briquettes derived from various wood sources found in Nigeria aims to assess their combustion characteristics and potential as a viable alternative to traditional fuels. The selected wood species include indigenous varieties known for their abundance and accessibility. This study examines the physical and thermal properties of briquettes made from six wood types commonly found in Nigeria: Ayo, Obobo, Obeche, Araba, Afara, and Eku. From the experiment study, …

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Computational Insights Into The Thermal Performance Enhancement Of Solar Air Heater Channel Through Metal Foam Integration, Kadhim Al-Chlaihawi, Moayed Hasan, Ali Kaied Mar 2026

Computational Insights Into The Thermal Performance Enhancement Of Solar Air Heater Channel Through Metal Foam Integration, Kadhim Al-Chlaihawi, Moayed Hasan, Ali Kaied

Engineering and Technology Journal

The two-dimensional numerical simulations focused on fluid flow and heat transfer within a solar air heater (SAH) channel incorporating copper metal foam with a porosity of 90% were carried out in this study. The Local Thermal Non-equilibrium (LTNE) and Darcy-Extended Forchheimer (DEF) models were employed to predict fluid and thermal transport in the partially porous SAH channel. In the free flow zone, the  turbulence model was utilized. The thermal and thermo-hydraulic performances of SAH were examined concerning several factors, including pore density ( ), Reynolds number ( ), and dimensionless foam height ( ). The results demonstrate that inserting a …

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Performance Enhancement Of Pv Panels By A Channel Shaped Heat Exchanger With An Electromechanical Control, Hussein Idan, Hatam Kadhom, Sahar Faraj Mar 2026

Performance Enhancement Of Pv Panels By A Channel Shaped Heat Exchanger With An Electromechanical Control, Hussein Idan, Hatam Kadhom, Sahar Faraj

Engineering and Technology Journal

Photovoltaic panels are considered one of the important practical applications in converting solar energy into electrical energy, but they suffer from the effect of heat associated with solar radiation. Therefore, much research has been done to either harness the heat that comes with it or eliminate it by cooling the panel and boosting its effectiveness. In this work, a cooling box was designed and manufactured locally (the passage design is new) that is attached to the back wall as part of the panel without inserting an absorbent portion between it and the water to cool the panel. The new model …

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The Influence Of Micro Channel On The Performance Of Low Concentrator Parabolic Collector Systems With Phase Change Material, Jenan Hamdi, Jalal Jalil, Ahmed Reja Mar 2026

The Influence Of Micro Channel On The Performance Of Low Concentrator Parabolic Collector Systems With Phase Change Material, Jenan Hamdi, Jalal Jalil, Ahmed Reja

Engineering and Technology Journal

Increasing global economic development leads to a continuous increase in energy demand, considering the limited conventional resources of energy as well as the impact on the environment associated with its use. The primary disadvantage of solar energy is that it is only accessible during the day. Thermal energy storage systems can overlook this flaw since they can store energy throughout the day for use at night. This paper presents a new cooling technique for low-concentration parabolic collectors with microchannel and Phase Change Material (PCM). A test model consisting of a parabolic concentrator was designed and fabricated to test the parabolic …

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Switching Mechanism Of Dynamic Hybrid Control Multi-Agent System In Manufacturing Environment, Dhuha Ismayyir, Lamyaa Dawood, Mohanned Al-Khafaji Mar 2026

Switching Mechanism Of Dynamic Hybrid Control Multi-Agent System In Manufacturing Environment, Dhuha Ismayyir, Lamyaa Dawood, Mohanned Al-Khafaji

Engineering and Technology Journal

Current expectations demand that manufacturing control systems exhibit enhanced flexibility and agility. Concurrently, using a multi-agent manufacturing system has been regarded as a crucial strategy for addressing the challenges associated with dynamics and unpredictability within the setting of part processing. This paper presents a novel switching mechanism for a hybrid control multi-agent system. The proposed hybrid control model combines the benefits of semi-heterarchical and hierarchical structures, enabling the successful implementation of adaptive control strategies. The aim is to enhance the implementation of a multi-agent control system in a dynamic manufacturing environment. This study checks how well the suggested switching mechanism …

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Investigation Of White Layer Thickness, Material Removal Rate, And Tool Wear Rate Of Inconel 718 By Nano-Al2o3-Mixed Electrical Discharge Machining, Dunya Ghulam, Abbas Ibrahim Mar 2026

Investigation Of White Layer Thickness, Material Removal Rate, And Tool Wear Rate Of Inconel 718 By Nano-Al2o3-Mixed Electrical Discharge Machining, Dunya Ghulam, Abbas Ibrahim

Engineering and Technology Journal

Nano powder mixed electrical discharge machining (NPMEDM) is an advanced thermo-physical process. It is used to create complex, precise shapes in hard-to-machine materials, such as nickel-based alloys like Inconel 718, due to their mechanical properties. This study introduces magnetic field assistance to improve the discharge state. Nano aluminum oxide was added to biodegradable soybean oil, serving as the insulating fluid to machine Inconel 718 alloy. The study examined the impact of machining parameters, including current, pulse on time, powder concentration, and magnetic field assistance, on outcomes like white layer thickness, material removal rate, and tool wear rate. Minitab software facilitated …

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Production Of Copper Nanoparticles Using Alpha-Amylase Enzyme By An Electrochemical Deposition Method, Neamah Hadi, Mohammad Hafiz, F. Sayyid, Wan Wan Isahak Mar 2026

Production Of Copper Nanoparticles Using Alpha-Amylase Enzyme By An Electrochemical Deposition Method, Neamah Hadi, Mohammad Hafiz, F. Sayyid, Wan Wan Isahak

Engineering and Technology Journal

This study aims to explain the effect of adding the bioactive substance (alpha enzyme) to the electrolyte solution using electrochemical deposition. Through which copper nanoparticles are manufactured, the originality of the research lies in the presence of this addition as a new method in manufacturing nanoparticles in an electrochemical manner, as the alpha-amylase enzyme is extracted from camel saliva, and the product has been diagnosed using (EDX) and scanning electron microscope (FE-SEM) techniques. , Dynamic Light Scattering (DLS) technology, and Zeta potential. The proposed method is an easy, inexpensive, and environmentally friendly method where the alpha enzyme was used as …

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Effect Of Mxene Ti3c2 On The Pvdf Ultrafiltration Membrane Properties And Performance, Tamara Abood, Kadium Shabeeb, Aseel Alzubaydi, Qusay Alsalhy, Pei Goh, Ahmad Ismail, Adel Zrelli Mar 2026

Effect Of Mxene Ti3c2 On The Pvdf Ultrafiltration Membrane Properties And Performance, Tamara Abood, Kadium Shabeeb, Aseel Alzubaydi, Qusay Alsalhy, Pei Goh, Ahmad Ismail, Adel Zrelli

Engineering and Technology Journal

The problem of membrane fouling remains a significant concern in ultrafiltration, a commonly employed method in water treatment due to its high efficacy and minimal energy consumption. This study made a nanocomposite ultrafiltration membrane out of MXene Ti3C2 nanosheets, a new two-dimensional material, to improve the antifouling properties of PVDF membranes. It was possible to incorporate the nanosheets into the membrane structure through in situ embedment during the phase inversion process. To learn more about them, the study investigated the membranes using FESEM, FTIR, water contact angle (CA), and porosity measurements. The application of common flux and rejection tests assessed …

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Innovative Self-Healing Concrete Using Polycarboxylate Ether: A Fused Deposition Modeling Approach With 3d-Printed Polylactic Acid Vascular Networks, Noor Hameed, Alaa Abdul-Hamead, Farhad Othman Mar 2026

Innovative Self-Healing Concrete Using Polycarboxylate Ether: A Fused Deposition Modeling Approach With 3d-Printed Polylactic Acid Vascular Networks, Noor Hameed, Alaa Abdul-Hamead, Farhad Othman

Engineering and Technology Journal

Concrete's fracture susceptibility is due to its limited tensile strength, which can lead to cracks. Steel reinforcement is added to designated areas to address this issue, but minuscule cracks can allow liquids and vapors to infiltrate the reinforcing material, causing corrosion. Self-healing concrete can resist corrosion by mending and sealing minor cracks. This study aims to determine if fused deposition modeling (FDM) can fabricate innovative vascular networks and tubes from polylactic acid (PLA) created by using three-dimensional (3D) printing methods, and its characteristics were contrasted with those of two- and one-dimensional (2D) networks.The dimensions of the internal and exterior diameters …

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Optimization Of Mechanical And Biocompatible Properties Of Znos-Fiber Membranes, Dalia Jomaa, Abbas Hussein, Jamal Dawood Mar 2026

Optimization Of Mechanical And Biocompatible Properties Of Znos-Fiber Membranes, Dalia Jomaa, Abbas Hussein, Jamal Dawood

Engineering and Technology Journal

This study uses electro-spinning techniques to create a poly(vinyl alcohol)-chitosan-zinc oxide nanoparticles (PVA+CS)+ZnO NPs system in three concentrations of ZnO for application as composite nanofibers for wound treatment applications and   Employing the Taguchi technique to optimize the mechanical characteristics via a four-level experimental design process (L16). Numerous techniques have been utilized to characterize the nanofibrous scaffolds: contact angle measurement, cytotoxicity testing, proliferation testing, evaluation of antimicrobial activity, Fourier Transform Infrared Spectroscopy (FTIR), Field Emission Scanning Electron Microscopy (FESEM), Energy Dispersion X-ray Spectroscopy (EDX), and a comparative experimental study involving the determination of hardness using the Nanoindentation method for (PVA+CS)+ZnO. The …

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Mxene (Ti C Tx) Based Nanosheet Photocatalysts For Water Remediation: Challenges And Recent Developments, Hadeel Abbas, Khalid Abbas, Ahmed Al-Ghaban Mar 2026

Mxene (Ti C Tx) Based Nanosheet Photocatalysts For Water Remediation: Challenges And Recent Developments, Hadeel Abbas, Khalid Abbas, Ahmed Al-Ghaban

Engineering and Technology Journal

Two-dimensional nano structural compounds are attracting the focus of researchers worldwide. The need to treat wastewater and prevent the release of hazardous substances into the environment has increased because of growing environmental awareness. New compounds, most of which are not biodegradable, have emerged due to rising consumer expectations. Due to their distinctive chemical and physical characteristics, MXene has lately been recognized as an exciting option. The strong hydrophilicity of MXene makes them a promising candidate for environmental remediation methods like photocatalysis, natural chemical nature, and powerful electrochemistry—adsorption, membrane separation, and electrocatalytic sensors for identifying pollution. MXene has strong surface functional …

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Effect Of Carbonization On The Mechanical Properties Of Mild Steel Utilizing Oak Charcoal As A Carbon Source, Omer Mahmood Mar 2026

Effect Of Carbonization On The Mechanical Properties Of Mild Steel Utilizing Oak Charcoal As A Carbon Source, Omer Mahmood

Engineering and Technology Journal

Carburizing is a process that improves the mechanical properties of low-carbon steel, particularly its surface hardness. Introducing carbon into the steel's surface enhances the creation of a durable and resistant outer layer.  The technique is especially useful for low-carbon steel because it cannot be hardened by quenching and tempering. This work investigates the effects of solid carburizing on the mechanical properties of mild steel. Oak charcoal was used as a carbon source due to its local availability and low cost. The study examined how solid carburization affects the microstructure and mechanical characteristics of mild steel. Mild steel samples were carburized …

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Microwave Dielectric Properties Of Zn1-Xcuxwo4 (X= 0, 0.03)/Polymer Composites, Lamees Faeq, Saad Farid, Fadhel Hashim Mar 2026

Microwave Dielectric Properties Of Zn1-Xcuxwo4 (X= 0, 0.03)/Polymer Composites, Lamees Faeq, Saad Farid, Fadhel Hashim

Engineering and Technology Journal

The rapid growth in wireless telecommunication systems has spurred a strong interest in lightweight, compact, and cost-effective materials. One promising solution for achieving these characteristics is using polymer matrix ceramic-reinforced composites. In this context, complex oxide materials, specifically Zn1-xCuxWO4 (where x=0 and x=0.03), were used to reinforce three different polymer matrices: epoxy, polyurethane, and silicone rubber. The primary objective was to create composites with low loss factors and high dielectric constants, essential qualities for telecommunications systems. To create the complex oxides, the solid-state reaction method was employed. In particular, the X-ray diffraction (XRD) analysis confirmed that Zn0.97Cu0.03WO4 exhibited a monoclinic …

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Experimental And Optimization Study Of Powder Metallurgy Process Parameters Of Magnesium Base Az31 Alloy Using Taguchi Method, Basma Sultan, Muna Abbass, Jawdat Yagoob, Yang Guo Mar 2026

Experimental And Optimization Study Of Powder Metallurgy Process Parameters Of Magnesium Base Az31 Alloy Using Taguchi Method, Basma Sultan, Muna Abbass, Jawdat Yagoob, Yang Guo

Engineering and Technology Journal

Powder metallurgy (PM) is a highly effective re-processing method mostly used for magnesium-base alloys, especially in high-performance Mg alloys. In the present work, the experimental and optimization of PM process parameters, including compaction pressure, sintering temperature, and sintering time, for AZ31 magnesium alloy have been investigated using Taguchi Design of Experiment (DOE) and ANOVA method. The regression equation for obtaining density, porosity, and hardness of AZ31 Mg alloy has been formulated and experimentally validated. Three parameters are dependent in the current work, 450, 550, and 600 MPa compaction pressure, 455, 520, and 585ºC sintering temperature, and 30, 60, and 90 …

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Design And Manufacturing Of Custom 3d Printed Bone Implants, Zaineb Neamah, Luma Al-Kindi, Ghassan Al-Kindi Mar 2026

Design And Manufacturing Of Custom 3d Printed Bone Implants, Zaineb Neamah, Luma Al-Kindi, Ghassan Al-Kindi

Engineering and Technology Journal

In medical surgery, a customized implant is often required to meet surgical requirements, especially in cases with complicated or traumatic deformities. The emerging techniques of additive manufacturing, e.g., 3D printing, may help provide a quick response to such needs, provided that a valid approach capturing required implant shape data is generated and processed to better suit 3D printing. Different materials, including biocompatible polymer and metal, may suit medical-surgical applications. In this paper, an investigation is conducted to assess 3D printing technology use as part of a full system, from capturing implant shape data to producing the customized implant. The investigation …

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