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457 articles for “Magnetization”
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Review paper on Design and Development of Miniature Moving Magnet Pulse Tube Cryocooler
Abstract: Developing a miniature moving magnet pulse tube cryocooler to address the limitations in existing cryocooler technologies, especially in terms of compactness, lightweight design, durability, and maintenance-free operation, aligns with the demands of modern applications, particularly in space and similar environments. Integrating a miniature compressor and motor is essential for the functionality of the cryocooler. The design should prioritize efficiency and reliability while addressing challenges related to vibrations and maintenance commonly …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 194–205 Read article
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Electrodeposition and Magnetron Sputtering of Rhenium Coatings on Carbon-Carbon Composites for Enhanced Corrosion Resistance and Structural Integrity
Abstract: It is well known that tailored materials are gaining in-roads to aviation and other manufacturing industries where stringent requirements are to be met, due to high temperature erosion, which is a problem. In order to counter these issues, materials which can resist a very high temperature are to be sought. One of the several methods to combat this high temperature issue is to provide a metallic refractory material coating on …
Published in Journal of Polymer & Composites · Vol. 13, Issue 4, 2025 · pp. 35–44 Read article
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Experimental and Simulation Study on Reduction Kinetics of Magnetite Ore by using Hydrogen
Abstract: In the present work, magnetite ore fines pellets were prepared for a study of reduction kinetics using hydrogen gas. In the present work, various parameters are investigated to assess their influence on reduction kinetics with respect to hydrogen utilisation. The different input variables influence the process, yielding the reduction fraction. The effect of temperature on reduction kinetics with hydrogen flow rate was explored for the optimum value of these parameters. …
Published in Journal of Materials & Metallurgical Engineering · Vol. 16, Issue 1, 2026 · pp. 71–81 Read article
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Comparative Analysis of Polymer-Enhanced and Conventional Magnetorheological Fluids in E-Bicycle Semi-Active Suspension
Abstract: In light of the increased use of electric bicycles as a sustainable transport means, various mechanical challenges emerge which were absent in traditional bicycles, primarily concerning vibration isolation and riding comfort. Indeed, hub motors, batteries and the entire drivetrain system produce dynamic excitations which passive suspension cannot handle effectively. This paper presents a comparison of conventional magnetorheological (MR) fluid and the polymer-based MR nanocomposite fluid within the context of semi-active …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 1174–1185 Read article
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Methods for Identifying Regions of Brain Establishment Using Functional Magnetic Resonance Imaging
Abstract: AbstractPurposeful neuro imaging could be a comparatively young discipline inside the neurosciences that has led to important advances in our understanding of the human brain and progress in neuro research project associated with public health. Accurately distinctive activated regions within the brain showing a powerful association with associate in nursing outcome of interest is crucial in terms of sickness prediction and interference. Purposeful resonance imaging (fMRI) is the most generally …
Published in Journal of Image Processing & Pattern Recognition Progress · Vol. 4, Issue 1, 2017 · pp. 12–15 Read article
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Automatic Detection and Classification of Brain Tumor in Magnetic Resonance Images
Abstract: Brain tumor is one of the serious diseases that have caused death to many people in recent years. The complex structure of the brain and its main function associated with the central nervous system and its critical role in controlling most of the functions of the body make detection of tumor a challenging task. Many techniques have been presented in the medical field in order to detect brain tumor from …
Published in Journal of Multimedia Technology & Recent Advancements · Vol. 5, Issue 2, 2018 · pp. 34–40 Read article
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Biosynthesis of Magnetic Iron Oxide Nanoparticles Using Hibiscus as a Plant Source
Abstract: Green chemistry has significant role in improving and protecting the global environment and they are even competent over other conventional methods. This paper investigates the greener route to nanoparticles which were produced by coprecipitation technique using hibiscus leaf extract as a plant resource. This method has been proven cost effective, simple, economical, eco-friendly and non-hazardous. The formation and nature of synthesized magnetic iron oxide nanoparticles were characterized by UV–Vis spectroscopy, …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 17, Issue 2, 2015 · pp. 1–9 Read article
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Structural and Magnetic Property Studies of Nanocrystalline Co0.8Zn0.2Fe2O4
Abstract: The synthesis of Co0.8Zn0.2Fe2O4 nanoparticles has been achieved by a simple thermal decomposition method from the inorganic precursor, Co0.8Zn0.2Fe2(cin)3(N2H4)4, which was obtained by a novel precipitation method from the corresponding metal salts, cinnamic acid and hydrazine hydrate. The precursor was characterised by hydrazine and metal analyses, infrared spectral analysis and thermo gravimetric analysis. The thermal decomposition of Co0.8Zn0.2Fe2(cin)3(N2H4)4 yielded Co0.8Zn0.2Fe2O4 nanoparticles, which were characterised for their size and structure using …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 5, Issue 3, 2015 · pp. 67–73 Read article
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Determination of Magnetic Properties of Cobalt Films Using Second Order Perturbed Heisenberg Hamiltonian
Abstract: The magnetic properties of hexagonal closed packed structured ferromagnetic cobalt films were investigated by means of second order perturbed Heisenberg Hamiltonian. First the number of nearest neighbors and the constants arisen from the partial summation of the dipole interactions of the structure of cobalt were calculated using some special algorithms. Minimization of the energy difference between the easy and hard direction of a memory device is very important. When the …
Published in Research & Reviews : Journal of Physics · Vol. 1, Issue 1, 2012 · pp. 16–23 Read article
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Magnetic ZnxFe2–xO3 Nanoparticles Enhanced Nanobiosensor Integrated with MOSFETs for Efficient Detections of Biomolecules and Cancerous Cells
Abstract: The human brain is mostly responsible for intelligence and consciousness. An artificial equivalence of this action is nanobiosensor, which is used in artificial intelligence. The need for nanodiagnostics platforms for detecting diseases at the genetic, molecular, and cellular level has triggered the development of nanobiosensors integrated with MOSFETs. This device enables simple, inexpensive rapid tests, accurate imaging methods, and accurate molecular diagnosis at point-of-care (POC). This device is seen as …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 14, Issue 3, 2024 · pp. 33–44 Read article
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Design and Development of an Electromagnetic Propulsion Train
Abstract: The recent advancement of new transportation techniques led to the search for methods of propulsion that were superior to classical mechanical systems. Among these new moments, electromagnetic propulsion (EMP) has attracted attention because this technique allows for motion generation via electromagnetic force without using conventional wheel-based friction processing. The paper describes the conceptual design, principle of working and performance evaluation of a prototype model train to be propelled electromagnetically.The system, …
Published in Trends in Mechanical Engineering & Technology · Vol. 15, Issue 3, 2025 · pp. 19–24 Read article
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Performance Characteristics of Magnetorheological Elastomer Vibration Isolator
Abstract: Smart materials have ability to alter significantly its properties under external stimuli, such as stress, temperature, moisture, electric or magnetic fields. In today’s engineering era, various smart materials are being used to have controlled behavior in various applications such as automotive brakes, clutches, etc. Magneto Rheological Elastomer (MRE) is one of them, uprising with very huge potential. In this present work, preparation of MRE has been presented. Various MRE mold, …
Published in Journal of Automobile Engineering and Applications · Vol. 1, Issue 2, 2014 · pp. 1–4 Read article
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Modeling of Sintering Process for the Preparation of Magnetic Abrasives by RSM and ANN Models
Abstract: In this study, a modeling has been done for the prediction of the sintering process, as sintering process is one of the best processes to prepare magnetic abrasives. The sintering process is modelled by using RSM and ANN techniques. The ANN model has been developed using a multilayer feed-forward neural network and trained with the help of an error backpropagation learning algorithm based on the generalized delta rule. The indication …
Published in Journal of Experimental & Applied Mechanics · Vol. 10, Issue 3, 2019 · pp. 5–12 Read article
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Structural, Mechanical, Electrical and Magnetic Properties of Mn–Zn Substituted Ca-hexaferrites
Abstract: In the present investigation, the samples with chemical composition Ca(CoTi)0.5(MnZn)x/2Fe11–xO19 with (x = 0 to 1.0) have been synthesized using perfect stoichiometric proportions of reacting oxides by standard ceramic technique. The pellets of 15 mm diameter were prepared and sintered at 1313 K in air atmosphere for 106 h and characterized by using XRD and SEM. XRD studies of the samples showed hexagonal magnetoplumbite (M) structure with unit cell dimensions …
Published in Journal of Materials & Metallurgical Engineering · Vol. 1, Issue 1-3, 2011 · pp. 99–111 Read article
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Control of a Grid-Connected Variable Speed Permanent Magnet Synchronous Generator Based Wind Power Generation System
Abstract: Variable speed wind turbines are more efficient compared to their fixed speed counterparts since maximum power is extracted over a wide range of wind speeds. In this work a grid-connected wind power generation system is modeled and implemented in Matlab/Simulink using a permanent magnet synchronous generator. A back to back space vector pulse width modulated voltage source converter converts the variable frequency generator currents and voltages into DC, then back …
Published in Journal of Power Electronics and Power Systems · Vol. 6, Issue 2, 2016 · pp. 8–24 Read article
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Maximum Power Point Tracking of a Variable Speed Permanent Magnet Synchronous Generator Based Wind Energy Conversion System
Abstract: Wind turbines produce maximum power at the optimal tip-speed ratio. Fixed speed wind turbines are inefficient because the turbine blades rotate at a specific mechanical speed irrespective of the prevailing wind speed. The system is therefore, not able to extract the maximum possible amount of power. In this work, a maximum power point tracking scheme for a variable-speed permanent magnet synchronous generator based wind energy conversion system is implemented in …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 3, 2015 · pp. 35–51 Read article
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A Study on Promoting Physiological Personalities of the Students by Vethathiri Maharishi’s Nine-Center Meditation Using Quantum Magnetic Resonance Analyzer
Abstract: AbstractThe nine-center meditation of simplified Kundalini yoga was formulated by sage Vethathiri Maharishi. It involves the following centers: Mooladhara, Swadhistana, Manipuraga, Anahatha, Visuddhi, Agna, Thuriya, Shakthi Kalam and Shiva Kalam. Meditation is done on all the nine centers, seven of which are endocrine glands located within the physical body and Shakthi Kalam, Shiva Kalam are universal field and absolute space respectively. Meditation commences at Mooladhara Chakra, followed by meditation on …
Published in Journal of AYUSH: Ayurveda, Yoga, Unani, Siddha and Homeopathy · Vol. 3, Issue 1, 2014 · pp. 62–66 Read article
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Ecological Optimization of Irreversible Carnot Magnetic Refrigerator
Abstract: Abstract An irreversible Carnot Cycle model is analyzed, with the help of various irreversibility factors, such as finite time analysis and heat leakage. In which, several important performance parameters, such as the cooling rate, coefficient of performance (COP), power input, exergy output rate, entropy generation rate, and ecological function are derived, with taking the assumptions like, heat leakage and the time of the isothermal processes in account. Ecological optimization factor …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 3, Issue 2, 2016 · pp. 61–68 Read article
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Structural, Magnetic and Dielectric Properties of Barium Cobalt Hexaferrite-powder and Barium Cobalt Hexaferrite- Epoxy Resin Composite Film
Abstract: The W-type barium cobalt hexaferrite powder with chemical composition BaCo2Fe16O27 was prepared using a simple heat treatment method. The precursor was calcinated at 650 °C for 3 h in a muffle furnace and then slowly cooled to room temperature in order to obtain barium cobalt hexaferrite powder. The flexible epoxy thin film of Ba-cobalt hexaferrite/epoxy composite was fabricated using the suitable amount of hardener and curing agent. Surface and morphological …
Published in Journal of Microelectronics and Solid State Devices · Vol. 1, Issue 1, 2015 · pp. 14–20 Read article
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Cerium Admixture Effect on the Surface Magnetic Properties of Ceramics Based on Yttrium Oxide
Abstract: The influence of 10 mol.% cerium oxide dopant on phase transformations, morphology, and surface magnetic properties (magnetic structure) of polycrystalline ceramics obtained in the CeO2–Y2O3 system, depending on the conditions of its heat treatment, was studied. Using the X-ray phase analysis method, it was established that heat treatment at 120°C does not lead to the interaction of the initial components, and when the oxide mixture is fired at a temperature …
Published in Research & Reviews : Journal of Physics · Vol. 11, Issue 2, 2022 · pp. 9–19 Read article