Relevant bibliographies by topics / Materials processing reactors

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Materials processing reactors'

Author: Grafiati
Published: 4 June 2021
Last updated: 8 February 2022

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Journal articles on the topic "Materials processing reactors"

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Nozaki, Tomohiro, and Ken Okazaki. "Materials processing at atmospheric pressure: Nonequilibrium effects on nanotechnology and mega-industries." Pure and Applied Chemistry 78, no. 6 (January 1, 2006): 1157–72. http://dx.doi.org/10.1351/pac200678061157.

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Applications of atmospheric pressure nonequilibrium plasmas, because of their special advantages of forming reactive plasmas in a simple reactor, are spreading into various engineering fields, not only of materials processing, but also into energy and environment areas. Our group has explored new applications of both filamentary and diffuse barrier discharges, including the establishment of appropriate modeling, which enables better optimization of given plasma processes. More recently, microplasmas produced in submillimeter to micrometer reactors are also highlighted in association with atmospheric pressure nonequilibrium plasma because such small-scale plasmas frequently require high-density media to produce. This paper overviews our recent projects: (1) steam reforming of methane using filamentary barrier discharge; (2) deposition of carbon nanotubes in atmospheric pressure radio frequency discharge (APRFD); and (3) synthesis of silicon nanoparticles using microplasma.
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Yang, Guixiang, Zhongming Wang, Pratim Biswas, Wayne Bresser, and Punit Boolchand. "Processing titania based materials in flame reactors: from dopants to nano-composites." Journal of Aerosol Science 29 (September 1998): S129—S130. http://dx.doi.org/10.1016/s0021-8502(98)00189-x.

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Lin, Roger, Jiaxun Guo, Xiaojia Li, Poojan Patel, and Ali Seifitokaldani. "Electrochemical Reactors for CO2 Conversion." Catalysts 10, no. 5 (April 26, 2020): 473. http://dx.doi.org/10.3390/catal10050473.

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Increasing risks from global warming impose an urgent need to develop technologically and economically feasible means to reduce CO2 content in the atmosphere. Carbon capture and utilization technologies and carbon markets have been established for this purpose. Electrocatalytic CO2 reduction reaction (CO2RR) presents a promising solution, fulfilling carbon-neutral goals and sustainable materials production. This review aims to elaborate on various components in CO2RR reactors and relevant industrial processing. First, major performance metrics are discussed, with requirements obtained from a techno-economic analysis. Detailed discussions then emphasize on (i) technical benefits and challenges regarding different reactor types, (ii) critical features in flow cell systems that enhance CO2 diffusion compared to conventional H-cells, (iii) electrolyte and its effect on liquid phase electrolyzers, (iv) catalysts for feasible products (carbon monoxide, formic acid and multi-carbons) and (v) strategies on flow channel and anode design as next steps. Finally, specific perspectives on CO2 feeds for the reactor and downstream purification techniques are annotated as part of the CO2RR industrial processing. Overall, we focus on the component and system aspects for the design of a CO2RR reactor, while pointing out challenges and opportunities to realize the ultimate goal of viable carbon capture and utilization technology.
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Bose, Deepak, David Hash, T. R. Govindan, and M. Meyyappan. "Modelling of inductively coupled plasma processing reactors." Journal of Physics D: Applied Physics 34, no. 18 (September 5, 2001): 2742–47. http://dx.doi.org/10.1088/0022-3727/34/18/305.

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Vasiliev, Michael, Tatiana Vasilieva, and Aung Miat Hein. "Hybrid plasma chemical reactors for bio-polymers processing." Journal of Physics D: Applied Physics 52, no. 33 (June 18, 2019): 335202. http://dx.doi.org/10.1088/1361-6463/ab222a.

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Uhland, Eberhard, and Werner Wiedmann. "Perspectives in application of screw reactors in plastics processing." Macromolecular Symposia 83, no. 1 (May 1994): 59–75. http://dx.doi.org/10.1002/masy.19940830108.

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Semenina, A. V., Yu Yu Baklanova, and A. D. Vurim. "STRUCTURING EXPERIMENTAL DATA ON HIGH-TEMPERATURE INTERACTION BETWEEN CORIUM AND STRUCTURAL MATERIALS OF POWER REACTOR AS INFORMATION-ANALYTICAL SYSTEM." NNC RK Bulletin, no. 1 (May 1, 2021): 54–60. http://dx.doi.org/10.52676/1729-7885-2021-1-54-60.

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The RSE NNC RK branch “Institute of Atomic Energy” has been conducted investigations in the field of nuclear power safety since the late 1982. These investigations have recently resulted in accumulation of a vast amount of experimental data widely applied in creation, verification and validation of calculation codes intended to analyze behavior of nuclear reactors under transient and emergency modes including analysis of reactor conditions in the course of propagation of severe accident with fuel melting. However, a positive effect of application these data has drastically dropped because there is no systematic approach for solution such problems like collection, processing and storing of experimental results along with planning and conducting of the experiments to receive the data that are missed but required for complete understanding of severe accident propagation. In this connection it is obviously that data integration as information-analytical system (IAS) will make it possible to create multifunctional tool for data storing, processing and analysis as well as to get the data much more applicable useful.
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Gottscho, Richard A., Toshiki Nakano, Nader Sadeghi, Dennis J. Trevor, and T. C. Lee. "Diagnostics of high density plasma reactors used in the processing of electronic and photonic materials (invited) (abstract)." Review of Scientific Instruments 63, no. 10 (October 1992): 4920. http://dx.doi.org/10.1063/1.1143548.

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Ozhmegov, Kirill, Anna Kawalek, Dariusz Garbiec, Henryk Dyja, and Alexandr Arbuz. "Development of Alternative Method for Manufacturing Structural Zirconium Elements for Nuclear Engineering." Materials 14, no. 17 (September 2, 2021): 5006. http://dx.doi.org/10.3390/ma14175006.

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Zirconium is used as a structural material for use in aggressive environments, including the core of nuclear reactors. The traditional technology of manufacturing the structural elements of zirconium nuclear reactors is characterized by a long technological process and a significant amount of waste in the form of metal shavings. The paper presents the results of an alternative technology, spark plasma sintering, for manufacturing zirconium products. A complex of microstructural and mechanical studies of the obtained samples was carried out according to the ASTMB-351 standard. The sintering of zirconium powder and options for subsequent processing by various methods, including non-standard ones such as radial shear rolling, are justified.
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Rosa. "Solar Heat for Materials Processing: A Review on Recent Achievements and a Prospect on Future Trends." ChemEngineering 3, no. 4 (October 8, 2019): 83. http://dx.doi.org/10.3390/chemengineering3040083.

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Considering works published in the literature for more than a decade (period from January 2008 till June 2019), this paper provides an overview of recent applications of the so-called “solar furnaces”, their reactors, process chambers and related devices, aiming specifically at the processing of (solid) materials. Based on the author’s own experience, some prospects on future trends are also presented. The aim of this work is to demonstrate the tremendous potentialities of the usage of solar heat for materials processing, but also to reveal the necessity of further developing solar-driven high-temperature technologies (which are required to displace the use of electricity or natural gas). In particular, it is essential to improve the temperature homogeneity conditions inside reaction chambers for materials processing using solar heat. Moreover, new innovative modular systems, practical and flexible, for capture, concentration, control and conduction of concentrated solar radiation are suggested. Solar thermal technologies for the production of electricity, as well as solar thermochemical processes for production of gases or liquids, are outside the scope of this review.
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Dissertations / Theses on the topic "Materials processing reactors"

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Touchais, Emmanuelle. "Étude et développement d'une source de plasma micro-onde pour déposer des revetements par pulvérisation sur des grandes surfaces." Grenoble INPG, 1996. http://www.theses.fr/1996INPG0106.

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Les caracteristiques d'une nouvelle source de plasma pour le depot de revetements par pulverisation sur des grandes surfaces ont ete etudiees. Cette source utilise une onde electromagnetique de frequence 2. 45 ghz pour accelerer les electrons qui ionisent les atomes d'argon par impact electronique. Un champ magnetique permet de confiner les electrons pour d'une part optimiser le couplage avec l'onde en tout lieu ou il est egal a 875 gauss et d'autre part transporter le plasma vers une cible de pulverisation polarisee negativement. Une source produisant une nappe de plasma de section rectangulaire de 75 cm2 a ete realisee. La caracterisation du plasma a ete effectuee en termes de densite electronique par interforemetrie, de temperature electronique par mesure de sonde et de courant d'ions recueillis sur la cible en fonction des parametres puissance micro-onde, pression d'argon, champ magnetique. Les valeurs obtenues ont montre que ce plasma est dense, avec une independance entre les parametres de creation du plasma et ceux de la pulverisation. L'usure des cibles de pulverisation est uniforme et correspond a l'intersection entre les lignes de champ magnetique et la surface de la cible. L'etude des couches de chrome deposees par ce procede a montre que la diminution de la pression permet d'obtenir des couches de densite proche de celle du chrome massique, avec des vitesses de depot elevees, et des contraintes residuelles faibles. Sous pression reduite constante, l'incorporation de carbone dans les couches de chrome par pulverisation reactive a permis d'augmenter la durete de ces couches. La morphologie devient plus dense, avec des contraintes residuelles faibles et une resistivite electrique faible. D'autres revetements (fer, oxyde de chrome, oxyde d'aluminium) ont ete realises pour demontrer la potentialite de ce nouveau dispositif a deposer en tension de polarisation negative continue de la cible des materiaux magnetiques et des oxydes
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Khawaja, Danial. "Modeling and optimisation of a rotary kiln reactor for the processing of battery materials." Thesis, KTH, Kemiteknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-302460.

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Roterugnar är cylindriska kärl som används för att höja materials temperaturer i en kontinuerlig process som kallas för kalcinering. Roterugnar kan tillämpas i olika processer såsom reduktion av oxidmalm samt återvinning av farligt avfall. Fördelen med roterugnar ligger i dess förmåga att hantera råmaterial som sträcker sig från slam till granulära material med en mängd olika partikelstorlekar, och därigenom upprätthålla distinkta miljöer såsom en bädd av fasta partiklar som samexisterar med ett oxiderande fribord. Sex olika bäddbeteende har dokumenterats med avseende på fyllningsgrad samt Froude nummer. Syftet med denna studie var att utveckla en tvådimensionell suspensions modell med CFD genom att använda den kommersiella mjukvaran COMSOL 5.5 för att simulera de två faser, gas och fast, som en blandad fas efter verk av Philips et. al., Physics of Fluids A: Fluid Dynamics 4.1 (1992) 30-40 och Acrivos & Zhang., International Journal Multiphase Flow 20.3 (1994) 579-591. Denna modell undersöktes genom att jämföra den med de dokumenterade flödesregimerna samt genom parameter som partikelstorlek, partikeldensitet och viskositeten hos gas i flödesregimen känd som rullande läge. Dessutom undersöktes temperaturprofilen för den roterande ugnen genom att utforska hur blandningsvariationer av den fasta bädden i den roterande ugnen påverkas av värmeöverföringen när värme tillförs från väggen under rullande läge. Resultaten av den tvådimensionella suspension modellen visade att det var bara möjligt att simulera glidläge korrekt; andra lägen kunde inte beskrivas som dokumenterat i litteraturen. Det indikeras att vilovinkeln och viskösa krafter i den roterande ugnen var låga vilket resulterade i att suspensions modellen inte kunde avbilda exakt de återstående flödesregimerna som dokumenterat. Till exempel avbildades rullningsläget mer likt forsandeläge då partiklarna fall fritt efter höjning av bädden. Partikelstorlek och partikeldensitet har visat sig ha en betydande påverkan på suspensions modellen eftersom de viskösa krafterna blir låga för en partikelstorlek och partikeldensitet under 0,4 mm respektive 1500 kg/m3. Angående gasens viskositet visades det sig att ju närmare värdet 2.055e-3 (Pa*s) den blev desto större blev sedimentationsflödet vilket resulterade i att bäddpartiklarna dras ner och förblir där. Suspensions modellen kunde således simulera en fast och flytande fas och inte en gasfas som avsett. Slutligen visade temperaturanalysen att påverkan av den termiska konduktiviteten var mer signifikant än den specifika värmekapaciteten i intervallet 1 - 50 (W/(m*K)) respektive 300 - 800 (J/(kg*K)) på grund av den tid det tog att nå en homogen temperaturprofil.
Rotary kilns are cylindrical vessels used to raise materials temperature in a continuous process known as calcination. Rotary kilns find application in various processes such as reduction of oxide ore and hazardous waste reclamation. The advantage of the rotary kiln lies in its ability to handle feedstock ranging from slurries to granular materials with a variety of particle size, thereby maintaining distinct environments such as a bed of solid particles coexisting with an oxidising freeboard. Six different bed behaviours within the kiln have been documented with respect to the filling degree and Froude number. The aim of this study was to develop a two-dimensional suspension model with CFD by using the commercial software COMSOL 5.5 to simulate the two phases, gas and solid, as a mixed phase, following the works of Philips et. al., Physics of Fluids A:  Fluid Dynamics 4.1 (1992) 30-40 and Acrivos & Zhang., International Journal Multiphase Flow 20.3 (1994) 579-591. This model was investigated by comparing it against the documented flow regimes as well as through parameters such as particle size, particle density and viscosity of gas in the flow regime known as rolling mode. In addition, the temperature profile of the rotary kiln was investigated by exploring how the mixture variation of the solid bed within the rotary kiln affects the heat transfer when heat is supplied from the wall during a rolling mode. The results of the two-dimensional suspension model showed that it was only possible to simulate the slipping mode accurately; others mode could not be described as documented in literature. It is indicated that the angle of repose and viscous forces within the rotary kiln were low resulting in the suspension model not being able to accurately depict the remaining flow regimes as documented. For instance, the rolling mode was depicted more as a cataracting mode due to the free fall of particles after elevation of the bed. The particle size and the particle density were found to have a significant impact on the suspension model as the viscous forces became low for a particle size and particle density below 0.4 mm and 1500 kg/m3 respectively. As for the viscosity of gas it was found that the closer it got to the value 2.055e-3 (Pa*s) the sedimentation flux became too large resulting in the bed particles being pulled down and remaining there. Thus, the suspension model could simulate a solid and liquid phase and not a gas phase as intended. Lastly, the temperature analysis revealed that the impact of the thermal conductivity was more significant than the specific heat capacity in the range of 1 - 50 (W/(m*K)) and 300 - 800 (J/(kg*K)) respectively, due to the time it took to reach a homogeneous temperature profile.
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Shero, Eric James 1969, and Eric James 1969 Shero. "Dynamics of moisture interactions with wafer and reactor surfaces during semiconductor processing." Diss., The University of Arizona, 1998. http://hdl.handle.net/10150/282698.

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The outgassing properties of materials utilized in semiconductor manufacturing are of critical importance to understanding homogeneous contamination problems. This dissertation focuses on the interaction of moisture and the oxide surfaces of the silicon wafer and electropolished stainless steel. These are the two most relevant surfaces to the semiconductor industry. EPSS is prevalent in both high purity gas distributions systems and tools, and the silicon wafer is not only involved in every process step, it is the substrate upon which integrated circuits are based. The outgassing of moisture from these surfaces was investigated using both API and EI mass spectrometers. Data was collected at near atmospheric pressures, in inert gas flow systems in both high (>10 ppm) and low (300 ppb) concentration ranges. While EPSS outgassing data was previously available, the outgassing of the oxide film on the Si <100> wafer surface was obtained for the first time under these conditions. Deuterated water studies showed the moisture does dissociatively adsorb on the wafer surface to some extent. A review of previous adsorption/desorption models for moisture on EPSS was presented. Although many kinetic models have been proposed, most are based on empiricism, and therefore lack physical meaning. As a result, many of the models are limited to specific concentration ranges and often give unrealistic surface concentrations outside these bounds. These models were discussed, because many of the principle elements of them could be extended to the outgassing of the silicon wafer surface. In order to correct some of the deficiencies in the modeling of the outgassing of metal/metalloid oxide surfaces, a multilayer adsorption/desorption model was developed. The attempt was to avoid the empiricism of previous models by integrating known chemical and physical interactions for moisture on these oxides into the approach. Furthermore, the multilayer model utilizes a range of energetics that are thought to occur between moisture and these surfaces. The model utilizes an activation energy that varies with the number of intermolecular interactions a water molecule experiences. The kinetic model is consistent with the BET multimolecular model at equilibrium.
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Hsieh, Man-Ching. "Application of Volatility Diagrams for Investigating Dry Etching Reactions of Chromium Oxide in LTCSS Processing." Case Western Reserve University School of Graduate Studies / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=case1307497361.

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Chatain, Franck. "Caractérisation de réacteurs à plasma basse pression-haute densité : étude de la cinétique des ions par fluorescence induite par laser." Université Joseph Fourier (Grenoble), 1995. http://www.theses.fr/1995GRE10121.

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Les traitements de materiaux par plasma sont actuellement largement utilises dans la plupart des industries bien que les processus physiques qui regissent ces decharges ne soient pas totalement maitrises. Avec l'essor de nouvelles sources optiques, le diagnostic de fluorescence laser, non perturbatif vis a vis du milieu, associe aux diagnostics electriques, permet la caracterisation de sources a plasma basse pression. Grace a cet outil, on peut ainsi comprendre la cinetique des ions (production, excitation, diffusion) et mesurer les parametres critiques influant sur la qualite du traitement (flux, directionalite, fonction de distribution en energie des particules bombardant la surface, temperature du substrat)
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Hugon, Robert. "Diagnostics d'un plasma pulse d'azote pour l'étude de sa réactivité : comparaison des résultats expérimentaux avec un modèle numérique." Nancy 1, 1994. http://www.theses.fr/1994NAN10427.

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Ce travail est consacré à l'étude de la réactivité d'un plasma pulse d'azote utilisé pour la nitruration des aciers. L'interprétation des mécanismes se produisant dans le plasma lui-même, et plus spécialement pendant la phase de post-décharge, nécessite un diagnostic finement résolu dans le temps. Pour les sondes électrostatiques, un dispositif automatique performant a été réalisé et permet la détermination expérimentale de la fonction de distribution en énergie des électrons et le suivi de son évolution sur un pulse plasma. La spectroscopie optique d'émission consiste en l'observation des bandes les plus intenses de l'azote et des raies d'atomes du fer pulvérisés par la cathode et excités dans le plasma. Une étude spatiale et temporelle de la structure axiale est comparée aux résultats issus d'une modélisation de l'établissement de la décharge. Enfin, après la mise en évidence de l'influence du chauffage du gaz neutre sur les paramètres de la décharge, des conditions favorables pour un traitement de surface par un plasma d'azote sont dégagées
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Francou, Mireille. "EEtude de la gravure profonde du silicium dans un réacteur haute-densité micro-onde de type propagatif." Université Joseph Fourier (Grenoble), 1995. http://www.theses.fr/1995GRE10090.

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Dans le domaine des microtechnologies, la realisation de microcapteurs necessite la maitrise de procedes d'usinage en volume du silicium. La gravure humide, couramment utilisee connait aujourd'hui des limitations dues principalement a la difficulte de realisation de geometries particulieres. La gravure par plasma s'avere donc interessante pour outrepasser ces limitations, car elle devrait permettre une plus grande liberte quand aux geometries obtenues. Les recherches entreprises en gravure seche ont porte essentiellement sur l'optimisation de procedes pour des applications micro-electroniques. Pour une application microtechnologique, cela suppose la mise au point de procede de gravure profonde superieure a 10 microns. Le travail presente ici porte sur la mise au point d'un procede de gravure profonde du silicium par plasma, en associant l'action d'une chimie non polymerisante (sf#6, ar, o#2) conduisant a la formation d'une couche bloquante sur les flancs des tranchees, a un refroidissement a basse temperature du substrat. L'etude a ete realisee dans un reacteur surfaguide haute densite permettant de dissocier la fonction de creation de la decharge de la fonction d'acceleration des especes ionisees. Le substrat est maintenu par clampage mecanique avec injection d'helium en face arriere et refroidi par azote liquide. Dans une premiere partie, l'etude parametrique a conduit a la mise au point d'un procede de gravure anisotrope. Elle a mis en evidence que les deux parametres determinants etaient la temperature du substrat et la concentration en oxygene. Une deuxieme partie a ete consacree au choix d'un procede de gravure resultant de l'etude parametrique et de son optimisation a des profondeurs superieures a 20 microns. A travers cette etude, nous nous sommes interesses aux limites du procede telles que la profondeur de saturation, la degradation des motifs et les rugosites de surface
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Carney, Carmen M. "Nanostructures by gas-phase reactions growth and applications /." Columbus, Ohio : Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1163772131.

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Patil, Amit k. "ADVANCED PROCESSING OF NICKEL-TITANIUM-GRAPHITE BASED METAL MATRIX COMPOSITES." Cleveland State University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=csu1560298763233401.

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Verhoeven, Vincent Wilhelmus Andreas. "The reactive extrusion of thermoplastic polyurethane." [S.l. : [Groningen : s.n.] ; University Library Groningen] [Host], 2006. http://irs.ub.rug.nl/ppn/292374224.

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Books on the topic "Materials processing reactors"

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Meyyappan, M. SAMPR: A computer code for simple analysis of materials processing reactors. California: National Aeronautics and Space Administration, 1997.

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Meyyappan, M. SAMPR: A computer code for simple analysis of materials processing reactors. Moffett Field, Calif: National Aeronautics and Space Administration, Ames Research Center, 1997.

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Hazelton, W. S. Technical report on material selection and processing guidelines for BWR coolant pressure boundary piping: Final report. 2nd ed. Washington, DC: Division of Engineering and Systems Technology, Office of Nuclear Reactor Regulation, U.S. Nuclear Regulatory Commission, 1988.

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Toumanov, I. N. Plasma and high frequency processes for obtaining and processing materials in the nuclear fuel cycle. Hauppauge, N.Y: Nova Science Publishers, 2003.

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Toumanov, I. N. Plasma and high frequency processes for obtaining and processing materials in the nuclear fuel cycle. 2nd ed. New York: Nova Science Publishers, 2007.

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Office, General Accounting. Nuclear materials: Plutonium processing in the nuclear weapons complex : fact sheet for the Chairman, Environment, Energy, and Natural Resources Subcommittee, Committee on Government Operations, House of Representatives. Washington, D.C: U.S. General Accounting Office, 1992.

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Toumanov, I. N. Plasma and High Frequency Processes for Obtaining and Processing Materials in the Nuclear Fuel Cycle. 2nd ed. Nova Science Pub Inc, 2007.

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Toumanov, I. N. Plasma and High Frequency Processes for Obtaining and Processing Materials in the Nuclear Fuel Cycle. 2nd ed. Nova Science Pub Inc, 2007.

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Brajendra, Mishra, Averill William A, Minerals, Metals and Materials Society. Meeting, TMS Reactive Metals Committee., and Minerals, Metals and Materials Society. Nuclear Materials Committee., eds. Actinide processing: Methods and materials : proceedings of an international symposium held at the 123rd annual meeting of the Minerals, Metals, and Materials Society in San Francisco, California, February 28 - March 3, 1994. Warrendale, Pa: TMS, 1994.

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Office, General Accounting. Nuclear materials: Plutonium processing in the nuclear weapons complex : fact sheet for the chairman, Environment, Energy, and Natural Resources Subcommittee, Committee on Government Operations, House of Representatives. [Washington, D.C.]: GAO, 1992.

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Book chapters on the topic "Materials processing reactors"

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Guria, Ankan, Indrajit Charit, and Bojan Petrovic. "Tensile Deformation Behavior of Al-rich Ferritic Steels for Advanced Light Water Reactors." In Frontiers in Materials Processing, Applications, Research and Technology, 35–45. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-4819-7_4.

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Broitman, Esteban, Richard Becker, Koji Dozaki, and Lars Hultman. "A Novel Oxide Characterization Method of Nickel Base Alloy 600 Used in Nuclear Plant Reactors." In Proceedings of the 8th Pacific Rim International Congress on Advanced Materials and Processing, 3355–61. Cham: Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-48764-9_415.

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Speranza, Giorgio, Wei Liu, and Luca Minati. "Plasma Reactors." In Applications of Plasma Technologies to Material Processing, 5–12. Boca Raton, FL : CRC Press, Taylor & Francis Group, [2019]: CRC Press, 2019. http://dx.doi.org/10.1201/9780429264658-2.

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Martínez-Vázquez, J. M., P. A. Ramírez-Ortega, and M. Vargas-Ramírez. "Study of a Filter-Press Electrochemical Reactor for the Treatment of Industrial Waste." In Materials Processing Fundamentals 2017, 119–30. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-51580-9_12.

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Sanchez-Segado, Sergio, and Animesh Jha. "Physical Chemistry of Roasting and Leaching Reactions for Chromium Chemical Manufacturing and Its Impact on Environment - A Review." In Materials Processing Fundamentals, 225–36. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118662199.ch25.

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Sanchez-Segado, Sergio, and Animesh Jha. "Physical Chemistry of Roasting and Leaching Reactions for Chromium Chemical Manufacturing and Its Impact on the Environment — A Review." In Materials Processing Fundamentals, 225–36. Cham: Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-48197-5_25.

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Shaffer, Peter T. B. "Rotary Tube Reactor Processes." In Carbide, Nitride and Boride Materials Synthesis and Processing, 159–68. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-0071-4_7.

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Weimer, Alan W. "Fluidized Bed Reactor Processes." In Carbide, Nitride and Boride Materials Synthesis and Processing, 169–80. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-0071-4_8.

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Yoshimura, Masahiro, and Shigeyuki Sōmiya. "Fine Zirconia Powders by Hydrothermal Processing." In Hydrothermal Reactions for Materials Science and Engineering, 227–38. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-0743-0_41.

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Hattori, Takeo, Atsushi Shigemori, Jun-Ichi Mohri, Masahiro Yoshimura, and Shigeyuki Sōmiya. "Fabrication of Nonadditive Mica Ceramics by Hot Isostatic Processing." In Hydrothermal Reactions for Materials Science and Engineering, 436. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-0743-0_73.

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Conference papers on the topic "Materials processing reactors"

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Hackel, Lloyd A., C. Brent Dane, Jon Rankin, Fritz Harris, and Chanh Truong. "Reducing Potential for Stress Corrosion Cracking During Design and Fabrication of Small Modular Reactors." In ASME 2011 Small Modular Reactors Symposium. ASMEDC, 2011. http://dx.doi.org/10.1115/smr2011-6532.

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Reactor designs employ the best materials available such as Alloy 600 and Alloy 690 to resist stress corrosion cracking (SCC); yet the problem has continued to exist. As SCC is driven by three main contributors, susceptible material, corrosive environment and existence of tensile stress, eliminating any one can greatly improve the situation. In this paper we discuss a laser peening process for the nuclear industry that can convert areas of tensile stress to deep levels of compression. Laser peening induces deep levels of plasticity into materials resulting in compressive residual stress to depths of 0.100 inches (2.5 mm) or deeper. This enables increased fatigue strength and lifetimes and greatly enhances resistance to stress corrosion cracking. The deep plasticity closes the inter-granular boundaries and induces a deep layer of compressive stress dramatically improving the stress corrosion cracking (SCC) resistance of components subjected to tensile loading in a corrosive environment. The deeper plasticity generated by laser peening can be contrasted to a depth of only 0.010 inches (0.25 mm) typically achieved with conventional shot peening, a beneficial and widely used technology. Advances in laser technology have enabled highly reliable, high-rate, cost-effective processing that has made a major impact in aerospace; thousands of parts and large scale structures have been and are being treated. Advanced laser beam delivery to components has enabled cost-effective field applications. The peening is done without physical contact with the component. The technology has been approved by organizations such as the FAA, EASA and USAF and deployed to enhance lifetime of key structural components on the F-22 fighter. Component faducials on a structure are first visually detected by a camera and alignment laser and then the main laser beam is automatically aligned to the component. The technology has the potential to serve a broad range of fielded industrial applications including oil and gas lines, on-board ship applications, nuclear power plants, upstream exploration and recovery, and downstream oil refining. We will discuss examples of advanced fatigue and corrosion resistance in steels provided by the laser peening technology as well as the hardware now available for field use. The laser peening technology enables SCC mitigation via engineered compressive residual stress to be considered much more seriously at the design level for reactors.
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Uehara, Takuya, Naruhiko Mukai, Yuji Sano, Masaki Yoda, Itaru Chida, Hiromi Kato, and Tetsuo Yamamoto. "Laser peening systems for preventive maintenance against stress corrosion cracking in nuclear power reactors." In ICALEO® 2006: 25th International Congress on Laser Materials Processing and Laser Microfabrication. Laser Institute of America, 2006. http://dx.doi.org/10.2351/1.5060919.

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Van De Tran, Pascal Aubry, Cécile Blanc, Jérôme Varlet, and Thierry Malot. "Laser cladding and tribocorrosion testing of cobalt-free hardfacing coatings for fast neutron reactors." In ICALEO® 2014: 33rd International Congress on Laser Materials Processing, Laser Microprocessing and Nanomanufacturing. Laser Institute of America, 2014. http://dx.doi.org/10.2351/1.5063075.

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De Tran, Van, Pascal Aubry, Cécile Blanc, and Nadège Caron. "Contribution to the replacement of cobalt-free hardfacing coating by laser cladding in fast neutron reactors." In ICALEO® 2013: 32nd International Congress on Laser Materials Processing, Laser Microprocessing and Nanomanufacturing. Laser Institute of America, 2013. http://dx.doi.org/10.2351/1.5062998.

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Denton, Mark S., and Josh Mertz. "Fukushima Two Year Processing Update." In ASME 2013 15th International Conference on Environmental Remediation and Radioactive Waste Management. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/icem2013-96341.

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On March 11, 2011, now two years ago, the magnitude 9.0 Great East Japan earth quake, Tohoku, hit off the Fukushima coast of Japan. This was one of the most powerful earthquakes in recorded history and the most powerful one known to have hit Japan. The ensuing tsunami devastated a huge area resulting in some 25,000 persons confirmed dead or missing. The perfect storm was complete when the tsunami then found the four-reactor, Fukushima-Daiichi Nuclear Station directly in its destructive path. Some 2 million people were evacuated from a fifty mile radius of the area and evaluation and cleanup began. A tremendous effort has been made, by many nationalities, since this time to restore this damaged plant and surrounding area and to return a great deal of the residents to their homes and farm lands. While most of the outcome of this unprecedented natural and manmade disaster was negative, both in Japan and worldwide, there have been some extremely valuable lessons learned and new emergency recovery technologies and systems developed to cope with the aftermath of this disaster. This paper describes new technology developed to selectively remove radioactive materials dangerous to workers, local citizens, and the natural environment from seawater used to cool the damaged reactors at Fukushima. As always, the mother of invention is necessity.
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Ojovan, Michael I., Olga K. Karlina, Vsevolod L. Klimov, Boris G. Trusov, Galina Yu Pavlova, and Igor A. Sobolev. "Self-Sustaining Reactions for the Processing Technologies of Chemically Stable Matrices Incorporating Carbon and Zirconium Wastes." In ASME 2001 8th International Conference on Radioactive Waste Management and Environmental Remediation. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/icem2001-1184.

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Abstract During operation of uranium-graphite reactors, waste graphite, containing fragments of nuclear fuel and fission products, as well as radioactive zirconium alloy components from fuel assemblies are produced. A large number of experiments should be carried out for the synthesis of appropriate matrix materials for radioactive nuclides that occur in these wastes. For the choice of processing technologies, an approach was used based on the thermodynamic simulation and application of self-sustaining reactions. A preliminary batch compaction and a hot pressing of the end product were not carried out. The end composite matrix product provides strong retention of the carbon-14 and other radionuclides. The processing technologies proposed are rather simple in implementation, can be realized without complex production equipment and energy supply.
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Chugunov, Svyatoslav, and Iskander Akhatov. "Modeling of Linear Atmospheric Plasma Reactor." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-86139.

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Methods of materials deposition and coating based on atmospheric pressure plasma (APP) have gained significant attention these days. Keeping the setup operation at low cost, APP units provide quality pre-processing of chemical agents with subsequent delivery of activated materials onto the surface of interest. These units eliminate the need for vacuum chambers, simplify thermal control of the setup, and widen the range of applicable chemical precursors. Considering the above mentioned factors, the APP becomes a recognizable choice for industrial applications and laboratory use. Demonstrating advanced performance and possibilities, APP reactors are still a subject to certain challenges that have to be overcome with future research. Among them are clogging of output channels with processed material, accurate estimations of mixing zone for efficient material activation, and uniform on-demand distribution of activated material over the substrate. These problems are still waiting for elegant and effective solutions. We investigate possibilities provided by use of a Linear Plasma Head — a portable APP reactor targeted for enhanced surface coatings. Currently we present our theoretical model of plasma generation in Linear Plasma Head. Numerical simulations are carried out using a parallel computational paradigm. The results and methods discussed in this paper yield with theory-based approach to building an advanced APP-based chemical reactor.
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Baily, Carl E., Karen A. Moore, Collin J. Knight, Peter B. Wells, Paul J. Petersen, Ali S. Siahpush, and Matthew T. Weseman. "Conceptual Design of a MEDE Treatment System for Sodium Bonded Fuel." In 16th International Conference on Nuclear Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/icone16-48129.

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Unirradiated sodium bonded metal fuel and casting scrap material containing highly enriched uranium (HEU) is stored at the Materials and Fuels Complex (MFC) on the Idaho National Laboratory (INL). This material, which includes intact fuel assemblies and elements from the Fast Flux Test Facility (FFTF) and Experimental Breeder Reactor-II (EBR-II) reactors, as well as scrap material from the casting of these fuels, has no current use under the terminated reactor programs for both facilities. The Department of Energy (DOE), under the Sodium-Bonded Spent Nuclear Fuel Treatment Record of Decision (ROD), has determined that this material could be prepared and transferred to an off-site facility for processing and eventual fabrication of fuel for commercial nuclear reactors. A plan is being developed to prepare, package, and transfer this material to the DOE HEU Disposition Program Office (HDPO), located at the Y-12 National Security Complex in Oak Ridge, Tennessee. Disposition of the sodium bonded material will require separating the elemental sodium from the metallic uranium fuel. A sodium distillation process known as MEDE (Melt-Drain-Evaporate), will be used for the separation process. The casting scrap material needs to be sorted to remove any foreign material or fines that are not acceptable to the HDPO program. Once all elements have been cut and loaded into baskets, they are then loaded into an evaporation chamber as the first step in the MEDE process. The chamber will be sealed and the pressure reduced to approximately 200 mtorr. The chamber will then be heated as high as 650 °C, causing the sodium to melt and then vaporize. The vapor phase sodium will be driven into an outlet line where it is condensed and drained into a receiver vessel. Once the evaporation operation is complete, the system is de-energized and returned to atmospheric pressure. This paper describes the MEDE process as well as a general overview of the furnace systems, as necessary, to complete the MEDE process.
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Wang, Zhengdong, Changjun Liu, Fu-Zhen Xuan, and Shan-Tung Tu. "Determination of Material Degradation at Various Environmental Conditions." In ASME 2011 Pressure Vessels and Piping Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/pvp2011-57570.

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There are growing interests in materials and system degradation at various environmental conditions, especially for structures in fossil fuel power station, nuclear power plants and petrochemical industry. Several testing and simulation approaches have been developed to determine the degradation of material properties with the influence of corrosion environment. A simulation technology is introduced to investigate the effects of irradiation on mechanical properties for a degraded reactor pressure vessel steel. The degradation procedure combines the application of cold prestrain together with high temperature heat treatment. It is found from the results of Charpy impact tests for degraded material that there is an increase of ductile-brittle transition temperature and a trend to a decrease of upper shelf energy because of irradiation embrittlement. Evaluation procedures of temper embrittlement and hydrogen-embrittlement are described for reactor pressure vessel steel exposed to hydrogen environment. A regular coupon sample test is adopted to determine the material degradation of hydrogen processing reactors. Numerical analysis and experimental hydrogen charging technique are explored to simulate the process of hydrogen embrittlement. A critical parameter of hydrogen concentration is defined to evaluate the susceptibility of hydrogen induced cracking for reactor steels. A fatigue testing system is designed to obtain the degradation of fatigue strength for materials under the low oxygen steam environment. The system couples a steam chamber with an axial force-controlled fatigue testing machine. The fatigue tests are performed for a titanium alloy with tension-compression loading up to 107 cycles. Test results show that the fatigue strength is obviously influenced by the steam environment and the stress ratios.
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Bobrov, Evgeniy, Pavel Teplov, Pavel Alekseev, Alexander Chibinyaev, and Anatoliy Dudnikox. "Variants of the Perspective Closed Fuel Cycle, Based on REMIX-Technology." In 2014 22nd International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/icone22-31244.

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In the traditional closed fuel cycle, based on REMIX-technology (REgenerated MIXture of U and Pu oxides) the fuel composition is produced on the basis of a uranium and plutonium mixture from spent Light Water Reactor (LWR) fuel and additional natural uranium. In this case, there is some saving in the amount of natural uranium used. The basic features of the WWER-1000 fuel loadings with a new variant REMIX-fuel during multiple recycle in the closed nuclear fuel cycle are described in this paper. Such fuel compositions are produced on a basis of a uranium and plutonium mixture allocated at processing the spent fuel after irradiation in the WWER-1000 core, depleted uranium and fission material such as: 235U as a part of high-enriched uranium from the warheads superfluous for defense. Also here variants are considered of the perspective closed fuel cycle in which fissile feed materials for fuel manufacture is produced in the blankets of fast breeder reactors. The fissile material is 233U or Pu. The raw material is depleted uranium from the stocks of enrichment factories, or thorium. Natural uranium is not used in this case. The minimum feed material required for the REMIX technology in a closed fuel cycle was determined through calculations of different types of fissile and raw materials, with different cycle lengths and fuel-water ratios.
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Reports on the topic "Materials processing reactors"

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R. Will Grimes, Norman Merriam, L.J. Fahy, C.G. Mones, Jr L.A. Johnson, F.M. Carlson, T.F. Turner, et al. 1.PRELIMINARY EVALUATION OF A PROCESS USING PLASMA REACTIONS TO DESULFURIZE HEAVY OILS; 2.PROCESS SUPPORT AND DEVELOPMENT FOR COMPCOAL; 3.MISCIBLE/IMMISCIBLE GAS INJECTION PROCESSES; 4.COMPCOAL: A PROFITABLE PROCESS FOR PRODUCTION OF A STABLE HIGH-BTU FUEL FROM POWDER RIVER BASIN COAL; 5.EVALUATION OF ALTERNATE FREE RADICAL INITIATORS FOR HEAVY OIL/PLASTICS CO-PROCESSING; 6.DEVELOPMENT OF AN ON-LINE ALKALI MONITORING PROBE; 7.DEVELOPMENT OF A PORTABLE DATA ACQUISITION SYSTEM; 8.BENCH-SCALE TESTING AND VERIFICATION OF PYROLYSIS CONCEPT FOR REMEDIATION OF TANK BOTTOMS; 9.HAZ-FLOTE: EX-SITU DECONTAMINATION OF MATERIALS; 10.IN-SITU AMELIORATION OF ACID MINE DRAINAGE PROBLEMS; 11.THE SYNAG PROCESS: COAL COMBUSTION ASH MANAGEMENT OPTION; 12.CONDITIONING AND HYDRATION REACTIONS ASSOCIATED WITH CLEAN COAL TECHNOLOGY ASH DISPOSAL/HYDRATION. Office of Scientific and Technical Information (OSTI), October 1999. http://dx.doi.org/10.2172/767235.

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