Vitrification

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Vitrification is the transformation of a substance into a glass. (Wikipedia.org)






Conferences related to Vitrification

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2023 Annual International Conference of the IEEE Engineering in Medicine & Biology Conference (EMBC)

The conference program will consist of plenary lectures, symposia, workshops and invitedsessions of the latest significant findings and developments in all the major fields of biomedical engineering.Submitted full papers will be peer reviewed. Accepted high quality papers will be presented in oral and poster sessions,will appear in the Conference Proceedings and will be indexed in PubMed/MEDLINE.


2020 IEEE International Conference on Plasma Science (ICOPS)

IEEE International Conference on Plasma Science (ICOPS) is an annual conference coordinated by the Plasma Science and Application Committee (PSAC) of the IEEE Nuclear & Plasma Sciences Society.


2020 IEEE International Magnetic Conference (INTERMAG)

INTERMAG is the premier conference on all aspects of applied magnetism and provides a range of oral and poster presentations, invited talks and symposia, a tutorial session, and exhibits reviewing the latest developments in magnetism.


2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

Science, technology and applications spanning the millimeter-waves, terahertz and infrared spectral regions


2019 IEEE 28th Symposium on Fusion Engineering (SOFE)

fusion engineering, physics and materials, plasma heating, vacuum technology, tritium processing, fueling, first walls, blankets and divertors


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Periodicals related to Vitrification

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Biomedical Engineering, IEEE Transactions on

Broad coverage of concepts and methods of the physical and engineering sciences applied in biology and medicine, ranging from formalized mathematical theory through experimental science and technological development to practical clinical applications.


Components and Packaging Technologies, IEEE Transactions on

Component parts, hybrid microelectronics, materials, packaging techniques, and manufacturing technology.


Dielectrics and Electrical Insulation, IEEE Transactions on

Electrical insulation common to the design and construction of components and equipment for use in electric and electronic circuits and distribution systems at all frequencies.


Industry Applications, IEEE Transactions on

The development and application of electric systems, apparatus, devices, and controls to the processes and equipment of industry and commerce; the promotion of safe, reliable, and economic installations; the encouragement of energy conservation; the creation of voluntary engineering standards and recommended practices.


Magnetics, IEEE Transactions on

Science and technology related to the basic physics and engineering of magnetism, magnetic materials, applied magnetics, magnetic devices, and magnetic data storage. The Transactions publishes scholarly articles of archival value as well as tutorial expositions and critical reviews of classical subjects and topics of current interest.


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Most published Xplore authors for Vitrification

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Xplore Articles related to Vitrification

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THz Dielectric behavior of gelation and vitrification in colloidal dispersions

2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2017

We show that the mechanism of structural arrest in colloidal dispersions can be revealed by the dielectric properties at THz frequencies. This opens ways to in situ study layered dispersions, which cannot be probed with existing techniques. This vivid topic in colloidal science is moreover of high relevance for applications such as quality control of functional materials.


Time-of-flight ion mobility measurements in epoxy-amine systems during curing

IEEE Transactions on Dielectrics and Electrical Insulation, 2001

The technique based on the time-of-flight (TOF) concept was proposed for determination of ion mobility in epoxy resins under isothermal curing conditions. This study extends our earlier investigations on this subject. Ionic conductivity dc measurements also were carried out in order to gain better understanding of the evolution of the ionic conductivity and mobility. The experiments have been performed for ...


Millimeter Wave Diagnostics for Vitrification Plants

2006 Joint 31st International Conference on Infrared Millimeter Waves and 14th International Conference on Teraherz Electronics, 2006

Millimeter-wave (MMW) techniques and technologies provide robust new diagnostic tools for glass melt measurements that are addressing needs for vitrification of high level and low activity nuclear wastes in glass media at the Defense Waste Processing Facility (DWPF) in Savannah River and the Waste Treatment Plant (WTP) under construction at Hanford. Over the past seven years, we have demonstrated real-time ...


Performances Evaluation of Vitrified Bonded CBN Wheel under Different Grinding Fluid

2010 International Conference on Measuring Technology and Mechatronics Automation, 2010

The application of fluids in grinding is critical to the surface quality of the workpiece and the life of the grinding wheel. Lubrication and cooling are the most important roles provided by a grinding fluid. Hence, conventional method of flood delivering coolant fluid by a nozzle in order to achieve high process performance purposivelly. In the paper, effect of grinding ...


Treatment and recycling of hazardous waste incineration residues using thermal plasma technology

2012 Abstracts IEEE International Conference on Plasma Science, 2012

Vitrification using thermal plasma has been identified as a promising thermal treatment technology since it allows recycling and reusing the hazardous wastes, thus avoiding their landfill disposal. Its predominant characteristics are high temperature and high energy density, which allows fast heat transfer at the reactor boundaries and correspondingly shorter treatment times during thermal processing.


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Educational Resources on Vitrification

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IEEE.tv Videos

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IEEE-USA E-Books

  • THz Dielectric behavior of gelation and vitrification in colloidal dispersions

    We show that the mechanism of structural arrest in colloidal dispersions can be revealed by the dielectric properties at THz frequencies. This opens ways to in situ study layered dispersions, which cannot be probed with existing techniques. This vivid topic in colloidal science is moreover of high relevance for applications such as quality control of functional materials.

  • Time-of-flight ion mobility measurements in epoxy-amine systems during curing

    The technique based on the time-of-flight (TOF) concept was proposed for determination of ion mobility in epoxy resins under isothermal curing conditions. This study extends our earlier investigations on this subject. Ionic conductivity dc measurements also were carried out in order to gain better understanding of the evolution of the ionic conductivity and mobility. The experiments have been performed for selected epoxy-amine systems that gellify and vitrify: diglycidyl ether of bisphenol A (DGEBA) with 4,4'-methylenebis [3-chloro-2,6-diethylaniline] (MCDEA) and for reacting medium that gellify only: diglycidyl ether of 1,4-butanediol (DGEBD) with 4,9-dioxa-1,12-dodecane diamine (4D). The differences found between the time dependency of the ionic conductivity and mobility during curing are explained by the decrease of the concentration of ionic charge carriers during the reaction. We conclude that the decrease of the ionic charge carrier density during the reaction, limits the applicability of the basic assumption of electrical techniques for reaction monitoring, that the ionic conductivity is related directly to the medium viscosity.

  • Millimeter Wave Diagnostics for Vitrification Plants

    Millimeter-wave (MMW) techniques and technologies provide robust new diagnostic tools for glass melt measurements that are addressing needs for vitrification of high level and low activity nuclear wastes in glass media at the Defense Waste Processing Facility (DWPF) in Savannah River and the Waste Treatment Plant (WTP) under construction at Hanford. Over the past seven years, we have demonstrated real-time measurement of several glass melt parameters, e.g., viscosity, cold-cap temperature, foaming, and pouring. An overview of MMW diagnostics for vitrification plants is presented.

  • Performances Evaluation of Vitrified Bonded CBN Wheel under Different Grinding Fluid

    The application of fluids in grinding is critical to the surface quality of the workpiece and the life of the grinding wheel. Lubrication and cooling are the most important roles provided by a grinding fluid. Hence, conventional method of flood delivering coolant fluid by a nozzle in order to achieve high process performance purposivelly. In the paper, effect of grinding fluid on grinding performances of vitrified bonded CBN wheel was analyzed and evaluated. Experiments were performed with precision cylindrical grinder M1420E and harded workpiece material 45 steel. To evaluate the influence of different cutting fluid, the experimental results such as microscopic topography (Scanning Electron Microscope images), surface roughness Ra values, and residual stress and diametrical wear amount of grinding wheel were investigated. The results showing that the surface quality and roughness Ra values of machined surface with lubricating oil were obviously improved comparing with emulsion fluid and synthetic fluid. The results revealed that the CBN wheel and grinding oil give an optimum combination for performance grinding operation.

  • Treatment and recycling of hazardous waste incineration residues using thermal plasma technology

    Vitrification using thermal plasma has been identified as a promising thermal treatment technology since it allows recycling and reusing the hazardous wastes, thus avoiding their landfill disposal. Its predominant characteristics are high temperature and high energy density, which allows fast heat transfer at the reactor boundaries and correspondingly shorter treatment times during thermal processing.

  • The Mechanism Analysis of NaCl Solution Ice Formation Suppressed by Electric Field

    The cells and tissues usually may be subjected to cryo-injure, but caused to die during freezing process for cryo-preservation. Among them, the most direct reason is extra-cellular and intra-cellular ice formation. How to control, reduce, or eliminate the ice formation has been an important research topic in fundamental cryobiology. The objective of this study was to test a hypothesis that the alternated electric field could significantly influence the solution of 0.9% NaCl freezing property at a relative slow cooling rate. The test sample consisted of 0.9% NaCl solution and it was frozen in 0.26 K/min cooling rate, simultaneously was exposed to alternating electric fields ranging from 50 Hz to 5M Hz. A system was built and utilized to measure the temperature of the test sample continually. It was founded that alternated electric fields strongly influenced the freezing property of the solution, included the undercooling point temperature of the solution and the latent heat produced by phrase transition during freezing process. The results were analyzed by using dielectric theory and ions moving phenomena, it indicated that the icons moving under alternated electric field is main factor influencing the property of 0.9% NaCl solution during freezing process

  • Curing process steps detected based on frequency analysis of signals

    Different methods for the epoxy resin curing evaluation can be used. Because of difficult identifiable important curing process steps, new possibilities of evaluation are to be searched. This article deals with the epoxy resin curing process evaluation based on the frequency analysis of signals obtained from electrode structure sensors placed in epoxy resin. The results of experiments of epoxy resin curing are presented. Designed method and presented results are useful in the field of the epoxy resin curing.

  • Toxicity Analysis of Municipal Solid Waste Incineration (MSWI) Fly Ash

    MSWI fly ash requires safe handling due to existence of heavy metals which pose potential threat to people's health and the environment. In this work, its toxicity was studied by means of leaching toxicity, specification analysis and volatilization analysis of heavy metals in fly ash. It is found that leaching toxicity of Hg, Cd, Zn and Pb exceeds the limit in accordance with the HVEP and ALT standards. Acid soluble forms of Cd, Cu, Ni, Pb and Zn all exceed 20%, and consequently they pose potential threat to the environment where acids exist. In addition, volatility of heavy metals decreases as: Hg>Pb>Cd, As>Zn>Cr, Ni, Cu. It is easy for Hg, Pb, As and Cd to volatilize, which fly away almost entirely at 1150degC. It is relatively difficult for Zn to volatilize, 40%~50% of which flies away at 1150degC, and it is difficult for Cr, Ni and Cu to volatilize, volatilization rates of which are less than 10%.

  • Influence of physical aging processes on electrical properties of polymers

    The influence of aging temperature and time on the electrical properties of amorphous polydiancarbonate (PC) and poly(methyl methacrylate) (PMMA) was investigated using the techniques of thermally stimulated depolarization currents, transient currents, and AC dielectric losses. It is shown that in the temperature range located between the alpha relaxation (glass transition) and the secondary beta relaxation, the polarization and loss properties of amorphous polymers undergo pronounced changes during physical aging. A progressive decrease in molecular mobility (and corresponding increase in relaxation times) leads to a marked decrease in polarization and dielectric losses as a function of aging time, showing that physical aging is a general phenomenon which should not be ignored in any testing of electrical properties of plastics.<<ETX>>

  • Proposed automated data analysis for nuclear waste vitrification at SRS: a case study

    Summary form only given. The Savannah River Site (SRS), in operation since the early 1950s, produces plutonium and tritium. About 70 million gallons of radioactive waste have been generated and stored on the site in tanks. The Defense Waste Processing Facility (DWPF) will immobilize this high-level radioactive waste by converting it into a stable borosilicate glass waste form suitable for long term storage. A melter fills two foot diameter, ten feet tall stainless steel canisters with the borosilicate glass. After a canister is filled, the top is sealed by welding a 12.9 cm diameter plug into the canister nozzle using an upset resistance weld. Initially the DWPF will be operated for just under 2 years using simulated (nonradioactive) feed materials. During this time a large amount of data will be generated with respect to the range of operating conditions under which the DWPF welder is expected to operate. The quality of the welds will be determined. One means which appears very attractive as a possible model or tool for assessing weld acceptability is the use of neural networks. The task is akin to pattern recognition.<<ETX>>



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