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146 articles for “Plasma”
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Experimental Investigation of Surface Modification on Copper (Cu) with Pen-Shaped Plasma Torch
Abstract: The paper presents an experimental investigation on surface modification of copper (Cu) material by plasma treatment using pen-shaped plasma torch. Plasma is used for a variety of industrial applications like surface modifications, surface activation, and surface treatment for coating technology. The plasma device construction here is simple and effective. This development was required because available device is not useful for practical applications due to limited effective surface treating area. In …
Published in Journal of Experimental & Applied Mechanics · Vol. 9, Issue 1, 2018 · pp. 40–47 Read article
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Plasma and Metallic Antenna: a Comparative Study
Abstract: Abstract: Plasma antenna is one of the most advanced technologies. The metal antennas used today use a metallic path to direct electromagnetic radiation. Plasma is an ionized antenna. Plasma antenna is a radio frequency receiver device that is made up of plasma segments that activate a surface wave. The importance of this antenna is quick and easy to activate and deactivate, by applying an electric pulse. In this study we …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 7, Issue 3, 2019 · pp. 5–8 Read article
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Modeling and Simulation Study of Flow and Temperature Characteristics of a Pen-shaped Plasma Torch
Abstract: This study presents the numerical modeling, simulation and experimental findings of plasma flow and temperature characteristics in pen-shaped plasma torch. The complex plasma flow characteristic due to the interaction between electric arc and nitrogen gas inside the pen-shaped plasma torch is modeled using the Maxwell’s and the Magnetic-Hydrodynamic (MHD) equations. Cartesian coordinate based finite volume discretization is used to solve numerically all the governing equations. At a specific boundary condition, …
Published in Trends in Mechanical Engineering & Technology · Vol. 9, Issue 3, 2019 · pp. 22–30 Read article
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Plasma Tweeter Loudspeaker - A Singing ARC
Abstract: Plasma arc speaker is a loudspeaker that generates sound without a solid diaphragm by varying the air pressure and utilizing a high voltage arc. It makes sound by heating air that causes air to expand in the same way as in thunderstorm. The grumbles and growls we hear in thunderstorm come from the quick expansion of the air surrounding the lightning bolt due to sudden increase in temperature. This produces …
Published in Journal of Microelectronics and Solid State Devices · Vol. 8, Issue 3, 2021 · pp. 26–35 Read article
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Dependence of Adhesion Strength of Plasma Spray on Coating Surface Properties
Abstract: It is well known that thermal plasma spray coatings have diversified utilizations, but not vividly in use, mainly because of high cost of spray grade powder, for development of thick coating > 50 µm on metal substrates. Present investigation aims at depositing plasma spray coating on metals using low-cost/waste materials. A mixture of fly-ash + 20 weight percent of Quartz + 20 weight percent of illmenite is used for coating …
Published in Journal of Materials & Metallurgical Engineering · Vol. 2, Issue 1-3, 2012 · pp. 57–64 Read article
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Novel plasma therapy for covid-19: A Perspective
Abstract: Coronavirus disease (COVID-19) is an induced disease caused by the coronavirus-19 that causes acute respiratory syndrome (SARS COVID-19). In the month of December 2019, the first case was recorded in Wuhan, China. No specific medications have yet been approved for their treatment; convalescent plasma therapy is projected to boost the survival rate. Early in the twentieth century, convalescent plasma therapy was developed. Convalescent plasma therapy is widely utilized around the …
Published in Research and Reviews: Journal of Oncology and Hematology · Vol. 10, Issue 3, 2021 · pp. 30–34 Read article
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Integrated engineering on design, development and operation of a Table Top Tokamak for Plasma experiments
Abstract: Making of a Table Top Tokamak is having the acute need for conducting various plasma experimental studies. As pulsed devices, small tokamaks come as handy solutions for plasma experimentalists to study the characteristic behavior of plasma at various operating conditions. In addition, it is a challenge to build a Tokamak from its conceptual design. In this paper, details are brought out for a single mode approach that is required to …
Published in Trends in Machine design · Vol. 5, Issue 2, 2018 · pp. 54–62 Read article
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Investigating the Dynamics of Quantum Plasmas: Current Advancements and Prospective Trajectories
Abstract: Plasma is regarded as quantum if its macroscopic properties are significantly affected by the quantum nature of its constituent particles. A proper description is necessary to comprehend the importance of collective quantum plasma effects. In this entry, the field of quantum plasmas, a generic exotic state of highly ionized matter where quantum effects are relevant, is discussed, for example, by dense plasmas arising from strong laser irradiation of solid targets …
Published in Research & Reviews : Journal of Physics · Vol. 13, Issue 1, 2024 · pp. 22–34 Read article
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Effect of Fusion Plasmas in Complete and Incomplete Fusion
Abstract: Abstract In an attempt to study the effect of thermal fusion plasma in complete and incomplete fusion, the collisional cross sections of several medium and/or heavy were measured with increasing plasma density, temperature and pressure and analysed with TALYS-1.4 code. The measured plasma density, temperature and pressure profiles are analysed with numerical model transport code PTRANSP, ONETWO and ASTRA and the corresponding data were used for calculations. The excitation functions …
Published in Journal of Nuclear Engineering & Technology · Vol. 9, Issue 1, 2019 · pp. 7–16 Read article
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Textile Treatment processes using Plasma as the Fourth State
Abstract: Green Treatment of Textiles using Fourth State Plasma Technologies is on the focus worldwide with promising environmental incentives. As reported globally, the latest technology of the century being the Plasma Technology has been applied to Textiles almost in all fields from production, processing and treatment. The textile material will be awarded with special properties on processing or treating through the Plasma technology.
Published in Trends in Machine design · Vol. 5, Issue 3, 2018 · pp. 34–36 Read article
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Plasma Therapy as a Last Resort in Combating COVID-19?
Abstract: This study aims to provide some insights into the current pandemic situation of COVID-19 and its proposed cure in the form of convalescent plasma (CP) therapy. This article is prepared using information from various research papers available online. The findings are concluded with the point that the convalescent plasma therapy is although functional in the early stages, is much important in critical cases where the patient is suffering from SARS …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 11, Issue 1, 2021 · pp. 25–29 Read article
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Plasma Gasification for Sustainable Waste Management: Challenges and Future Prospects
Abstract: Plasma gasification technology offers a promising solution for the sustainable disposal of municipal solid waste (MSW) by converting waste into energy or valuable products, aligning with the principles of the circular economy. Despite its potential, plasma gasification faces challenges in terms of high operational costs, energy demands, and limited commercialization success. This article critically evaluates plasma gasification alongside traditional MSW processing methods, including biological, hydrothermal, and thermochemical techniques, comparing their …
Published in Journal of Materials & Metallurgical Engineering · Vol. 14, Issue 3, 2024 · pp. 01–05 Read article
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ANN Controlled Plasma Spray Process by using Industrial Waste
Abstract: Plasma spray coating process has become a subject of intense research because it becomes an affordable solution for many industrial applications. The present work aims at developing and studying the industrial wastes (Flay-ash powder mixture) as the coating material, which is to be deposited on Mild Steel and Cupper substrates. To increase the coating deposition efficiency and to decrease the cost of coating process, one of the artificial intelligence (AI) …
Published in Journal of Materials & Metallurgical Engineering · Vol. 3, Issue 3, 2013 · pp. 1–6 Read article
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Application of Neural Network Analysis to Correlate the Properties of Plasma Spray Coating
Abstract: Thermal spray coatings are more often being demanding process at the recent stages of industrial design processes to become fundamental element of the engineering system. The aim of the present paper is to develop a model-based estimation and control for regulating the coating adhesion strength, by using neural network. This proposed model permits cost reduction by the possibility of adjusting the parameter of the process for each of the desired …
Published in Journal of Materials & Metallurgical Engineering · Vol. 2, Issue 1-3, 2012 · pp. 1–10 Read article
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Study of the Effect of Cycle Time of Plasma Nitriding on the Service Life of AISI H-13 Tool Steel Die
Abstract: AISI H-13 tool steel is widely used as a hot-forging die for various automotive components. Usually, to increase the die life, the dies are subjected to additional surface treatment process such as carburizing, gas nitriding, salt bath nitriding, plasma nitriding, etc. The case depth is an important parameter in surface treatment process. In this work, AISI H-13 tool steel hot-forging dies are subjected to plasma nitriding. The nitriding time cycles …
Published in Journal of Materials & Metallurgical Engineering · Vol. 2, Issue 1-3, 2012 · pp. 169–177 Read article
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The Quiet Intruder: An Insidious Presentation of Primary Plasma Cell Leukemia and a Literature Review on Current Treatment Strategies
Abstract: Introduction: Primary plasma cell leukemia (pPCL) is a rare and aggressive plasma cell dyscrasia, defined by ≥5% circulating plasma cells, with poor prognosis and rapid progression. Case Presentation: A 66-year-old African–American female with no prior medical history presented with one week of fatigue, dehydration, and polydipsia. Laboratory evaluation revealed leukocytosis, severe thrombocytopenia, acute kidney injury (creatinine 4.03 mg/dL), and hypercalcemia (13.0 mg/dL) with suppressed PTH. Imaging showed intra-abdominal lymphadenopathy without …
Published in Research and Reviews: Journal of Oncology and Hematology · Vol. 15, Issue 2, 2026 · pp. 1–5 Read article
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Optimizing Fusion Zone Grain Size, Hardness and Tensile Strength of Micro Plasma Arc Welded Titanium (Ti-6Al-4V) Alloy Using Grey Relational Analysis
Abstract: In the present work, Titanium (Ti-6Al-4V) alloy sheet of 0.5 mm thick is butt welded using Micro Plasma Arc Welding. Welding input parameters like peak current, base current, pulse rate and pulse width are considered and output responses like fusion zone grain size, hardness and ultimate tensile strength of the welded joint are considered. Taguchi L25 orthogonal matrix is adopted by considering four factors and five levels of weld input …
Published in Journal of Mechatronics and Automation · Vol. 5, Issue 2, 2018 · pp. 21–33 Read article
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Effect of Pulse Current Micro Plasma Arc Welding Parameters on Pitting Corrosion Rate of AISI 316Ti Sheets in 3.5 N NaCl Medium
Abstract: Austenitic stainless steel sheets are used for fabrication of components, which require high temperature resistance and corrosion resistance such as metal bellows used in expansion joints in aircraft, aerospace and petroleum industries. When they are exposed to seawater after welding they are subjected to corrosion as there are changes in properties of the base metal after welding. The corrosion rate depends on the chemical composition of the base metal and …
Published in Journal of Materials & Metallurgical Engineering · Vol. 6, Issue 3, 2016 · pp. 12–24 Read article
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Statistical Analysis on Weld Bead Geometry of Pulsed Current Micro-plasma Arc Welded AISI 316Ti Austenitic Stainless Steel Sheets
Abstract: Micro-plasma arc welding (MPAW) uses low amperage to join sheets, where the thickness is low, such that they can be used for manufacturing metal bellows, metal diaphragms etc. In the present work, pulsed current MPAW is used for joining 0.3 mm thick AISI 316Ti austenitic stainless steel sheets. Peak current, base current, pulse rate and pulse width are considered as input parameters and weld bead geometry parameters namely front width, …
Published in Journal of Materials & Metallurgical Engineering · Vol. 6, Issue 2, 2016 · pp. 20–37 Read article
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Multi Objective Optimization of Weld Bead Geometry Parameters of Pulsed Current Micro Plasma Arc Welded Inconel 625 Using Enhanced Non-dominated Sorting Genetic Algorithm
Abstract: Pulsed Current Plasma Arc Welding (PCPAW) is one of the most widely used welding processes in sheet metal manufacturing industry. In any fusion arc welding process, the weld bead geometry plays an important role in determining the mechanical properties of the weld and hence, quality of the weld. Moreover, the geometry of weld bead involves several simultaneously multiple quality characteristics such as front width, back width, front height and back …
Published in Journal of Materials & Metallurgical Engineering · Vol. 3, Issue 1, 2013 · pp. 17–24 Read article