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Corrosion Of Copper As A Used Nuclear Fuel Disposal Container Material
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Book Synopsis Corrosion of copper as a used nuclear fuel disposal container material : effects of sulphide ions and γ radiolysis by : K. W. Lam
Download or read book Corrosion of copper as a used nuclear fuel disposal container material : effects of sulphide ions and γ radiolysis written by K. W. Lam and published by . This book was released on 1990 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Corrosion of Copper as a Used Nuclear Fuel Disposal Container Material: Effects of Sulphide Ions and [gamma] Radiolysis by : K. W. Lam
Download or read book Corrosion of Copper as a Used Nuclear Fuel Disposal Container Material: Effects of Sulphide Ions and [gamma] Radiolysis written by K. W. Lam and published by . This book was released on 1990 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Corrosion of Copper Containers Prior to Saturation of a Nuclear Fuel Waste Disposal Vault (Corrosion Des Conteneures en Cuivre Avant la Saturation D'une Enceinte de Stockage Des Dechets de Combustible Nucleaire) by : Fraser King
Download or read book Corrosion of Copper Containers Prior to Saturation of a Nuclear Fuel Waste Disposal Vault (Corrosion Des Conteneures en Cuivre Avant la Saturation D'une Enceinte de Stockage Des Dechets de Combustible Nucleaire) written by Fraser King and published by Pinawa, Man. : Whiteshell Laboratories. This book was released on 1997 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Predicting the effects of microbial activity on the corrosion of copper nuclear waste disposal containers by : F. King
Download or read book Predicting the effects of microbial activity on the corrosion of copper nuclear waste disposal containers written by F. King and published by . This book was released on 1997 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aecl has submitted an environmental impact statement (eis) to evaluate the concept of nuclear fuel disposal at depth in crystalline rock of the canadian shield. in this disposal concept used fuel would be emplaced in corrosion-resistant containers which would be surrounded by clay-based buffer and backfill materials. once groundwater is able to penetrate the buffer and corrosion-resistant container, radionuclides could be transported from the waste form to the surrounding geosphere, and eventually to the biosphere. the release of radionuclides from the waste form and their subsequent transport would be determined by the geochemistry of the disposal vault and surrounding geosphere. organic substances affect the geochemistry of radionuclides through complexation reactions that increase solubility and alter mobility, be affecting the redox of certain radionuclides and be providing food for microbes. the purpose of this study was to determine whether the buffer and backfill materials proposed for use in a disposal vault contain organics that could be leached by groundwarer in large enough quantities to complex with radionuclides and affect their mobility within the disposal vault and surrounding geosphere. buffer material, made from a mixture of 50 wt.% avonlea sodium bentonite and 50 wt.% silica sand, was extracted with deionized water to determine the release of dissolved organic carbon, humic acid and fulvic acid. the effect of radiation and heat from the used fuel was simulated by treating samples of buffer before leaching to various amounts of heat (60 degrees c and 90 degrees c) for periods of 2,4 and 6 weeks, and to ionizing radiation with doses of 25 kgy and 50 kgy. humic substances were isolated from the leachates to determine the concentrations of humic and fulvic acids and to determine their functional group content by acid-base titrations. the results showed that groundwater could leach significant amounts of organics that would complex with radionuclides such as the actinides, affecting their solubility and transport within the disposal vault and possible the surrounding geosphere. heating and radiation affect the amount and nature of leachable organics. however, one of the key parameters that needs to be addressed is the mobility of organic molecules through an intact buffer and backfill.
Book Synopsis Predicting the Effects of Microbial Activity on the Corrosion of Copper Nuclear Fuel Waste Disposal Containers [electronic Resource] by : Stroes-Gascoyne, Simcha
Download or read book Predicting the Effects of Microbial Activity on the Corrosion of Copper Nuclear Fuel Waste Disposal Containers [electronic Resource] written by Stroes-Gascoyne, Simcha and published by Pinawa, Man. : Whiteshell Laboratories. This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Predicting the Effects of Microbial Activity on the Corrosion of Copper Nuclear Fuel Waste Disposal Containers by : Fraser King
Download or read book Predicting the Effects of Microbial Activity on the Corrosion of Copper Nuclear Fuel Waste Disposal Containers written by Fraser King and published by Pinawa, Man. : Whiteshell Laboratories. This book was released on 1996 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Microstructural Characterization of Copper Coatings on Nuclear Waste Containers for the Long-Term Disposal of Canada's Used Nuclear Fuel by : Weiwei Li
Download or read book Microstructural Characterization of Copper Coatings on Nuclear Waste Containers for the Long-Term Disposal of Canada's Used Nuclear Fuel written by Weiwei Li and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Nuclear Waste Management Organization has proposed a deep geological repository solution for the long-term disposal of Canada's nuclear waste fuel. A critical part of this solution is the used fuel container which houses the waste fuel. This container is made of steel and is coated with copper via the electrodeposition and cold spray processes to provide corrosion resistance. Microstructural characterization was conducted on the electrodeposited and cold sprayed copper coatings of the UFC, as well as wrought copper reference material through electron backscattered diffraction, focused ion beam microscopy, and SEM imaging. Electrodeposited copper is expected to have the optimal corrosion resistance based on the structure-property relationships for corrosion of pure copper. This is primarily due to its smaller grain size and higher frequency of special grain boundaries.
Book Synopsis A numerical model for the corrosion of copper nuclear fuel waste containers by : F. King
Download or read book A numerical model for the corrosion of copper nuclear fuel waste containers written by F. King and published by . This book was released on 1996 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Atomic Energy of Canada Limited Publisher :Pinawa, Man. : Whiteshell Laboratories ISBN 13 : Total Pages : pages Book Rating :4.:/5 (558 download)
Book Synopsis The Effect of Geosphere Conditions on the Lifetimes of Copper Containers [electronic Resource] by : Atomic Energy of Canada Limited
Download or read book The Effect of Geosphere Conditions on the Lifetimes of Copper Containers [electronic Resource] written by Atomic Energy of Canada Limited and published by Pinawa, Man. : Whiteshell Laboratories. This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electrochemical and Corrosion Examination of Copper Under Deep Geologic Conditions for the Application of Nuclear Waste Containers by : Taylor L. Martino
Download or read book Electrochemical and Corrosion Examination of Copper Under Deep Geologic Conditions for the Application of Nuclear Waste Containers written by Taylor L. Martino and published by . This book was released on 2018 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Copper is the selected material for the fabrication of nuclear fuel waste containers in Sweden, Finland and Canada due to its corrosion resistance in the anoxic aqueous environments, anticipated in deep geological repositories. A potential oxidant for copper is bisulphide produced either by the dissolution of minerals or by sulphate-reducing bacteria. The primary goals of this thesis were to determine the mechanism of corrosion of copper in bisulphide environments and to investigate the chemistry of the bentonite porewater that will ultimately be in contact with the copper container. The mechanism of sulphide film growth and the details of copper corrosion in anoxic aqueous bisulphide solutions in the presence of various groundwater anions have been investigated electrochemically. The chalcocite films were analyzed via voltammetry, electrochemical impedance spectroscopy and surface analysis. Under these conditions, growth of a coherent film occurred initially but the development of interfacial stresses led rapidly to film fracture. Upon fracture, a resistive outer chalcocite deposit formed with continued growth governed by the mass transport of bisulphide. Specific anion effects were observed with chloride, a common groundwater ion, found to maintain porosity in the chalcocite film while the oxyanions, sulphate and bicarbonate were found to suppress film growth. At high bisulphide concentrations and positive potentials growth of the outer deposit caused an apparent partial passivation of the surface, which theoretically could lead to localized film breakdown and pitting. However, the required high bisulphide concentrations are not attainable in a deep geologic repository and pitting should not occur. Bentonite porewater chemistry was successfully monitored using a novel experimental set-up. Electrochemical sensors monitoring pH, chloride concentration and the copper corrosion potential were placed both on the surface and inside of a bentonite clay disk. The results showed that the bentonite acted like a pH buffer and chloride from bulk solution adsorbed onto the montmorillonite structure. Corrosion potential measurements suggested that corrosion likely occurred via formation of a copper chloride complex or growth of a cuprite film. Data collected from these studies will be used directly by SKB via incorporation into models.
Book Synopsis Corrosion D'origine Microbienne Des Conteneurs de Déchets de Combustible Nucléaire en Cuivre Dans Une Installation de Stockage Permanent Canadienne by : Fraser King
Download or read book Corrosion D'origine Microbienne Des Conteneurs de Déchets de Combustible Nucléaire en Cuivre Dans Une Installation de Stockage Permanent Canadienne written by Fraser King and published by Pinawa, Man. : Whiteshell Laboratories. This book was released on 1996 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geological Repository Systems for Safe Disposal of Spent Nuclear Fuels and Radioactive Waste by : Michael J Apted
Download or read book Geological Repository Systems for Safe Disposal of Spent Nuclear Fuels and Radioactive Waste written by Michael J Apted and published by Woodhead Publishing. This book was released on 2017-05-25 with total page 804 pages. Available in PDF, EPUB and Kindle. Book excerpt: Geological Repository Systems for Safe Disposal of Spent Nuclear Fuels and Radioactive Waste, Second Edition, critically reviews state-of-the-art technologies and scientific methods relating to the implementation of the most effective approaches to the long-term, safe disposition of nuclear waste, also discussing regulatory developments and social engagement approaches as major themes. Chapters in Part One introduce the topic of geological disposal, providing an overview of near-surface, intermediate depth, and deep borehole disposal, spanning low-, medium- and high-level wastes. Part Two addresses the different types of repository systems – crystalline, clay, and salt, also discussing methods of site surveying and construction. The critical safety issue of engineered barrier systems is the focus of Part Three, with coverage ranging from nuclear waste canisters, to buffer and backfill materials. Lastly, Parts Four and Five focus on safety, security, and acceptability, concentrating on repository performance assessment, then radiation protection, environmental monitoring, and social engagement. Comprehensively revised, updated, and expanded with 25% new material on topics of current importance, this is the standard reference for all nuclear waste management and geological repository professionals and researchers. Contains 25% more material on topics of current importance in this new, comprehensive edition Fully updated coverage of both near-surface/intermediate depth, and deep borehole disposal in one convenient volume Goes beyond the scientific and technical aspects of disposal to include the political, regulatory, and societal issues involved, all from an international perspective
Book Synopsis An Assessment of the Feasibility of Indefinite Containment of Canadian Nuclear Fuel Wastes by : D. W. Shoesmith
Download or read book An Assessment of the Feasibility of Indefinite Containment of Canadian Nuclear Fuel Wastes written by D. W. Shoesmith and published by Pinawa, Man. : Whiteshell Laboratories. This book was released on 1995 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report analyzes the expected corrosion behavior of nuclear fuel waste containers in a conceptual Canadian disposal vault. The container materials considered are dilute titanium alloys and oxygen-free copper. The report presents various models that have been developed to predict container lifetimes, including the currently used model which does not take into account limitation of crevice corrosion and an outline of a model in which crevice corrosion is limited by repassivation. The disposal vault conditions considered change with time as the initially trapped oxygen is consumed and as the heat and radiation produced by the waste decay. The appendices contain detailed reassessments of the corrosion behavior of the two types of containers, in which model assumptions are examined and failure modes discussed.
Book Synopsis The Potential for Stress Corrosion Cracking of Copper Containers in a Canadian Nuclear Fuel Waste Disposal Vault by : F. King
Download or read book The Potential for Stress Corrosion Cracking of Copper Containers in a Canadian Nuclear Fuel Waste Disposal Vault written by F. King and published by Pinawa, Man. : Whiteshell Laboratories. This book was released on 1996 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sulphur-Assisted Corrosion in Nuclear Disposal Systems by : Damien Féron
Download or read book Sulphur-Assisted Corrosion in Nuclear Disposal Systems written by Damien Féron and published by CRC Press. This book was released on 2020-11-26 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the different disposal concepts for high-level nuclear waste, corrosion of the metallic barriers and in particular the overpack/container is a major issue. It is imperative for performance assessment to predict the lifetime of these containers. In the lifetime prediction of metallic barriers for the disposal of high level nuclear waste (HLW) or of spent fuel, the presence of (reduced) sulphur species is an issue of growing importance, as the sulphur species are involved in localised corrosion phenomena. The international workshop on Sulphur-Assisted Corrosion in Nuclear Waste Disposal Systems (SACNUC2008) aimed to provide an exchange of information on the influence of sulphur species on the corrosion of metallic barriers. This workshop was a co-organisation of the Belgian Nuclear Research Centre, SCK*CEN, and the Belgian Agency for the Management of Radioactive Waste and Enriched Fissile Materials, ONDRAF/NIRAS, under the auspices of the European Federation of Corrosion (EFC event N 311). The proceedings are divided into five chapters: Chapter 1 provides a general overview of the disposal concepts of nuclear waste and the role of corrosion. Chapter 2 explains the mechanism of sulphur-induced corrosion processes. This chapter also contains information from outside the nuclear disposal field in which sulphur is known to act as a detrimental factor (e.g. oil and gas industry). Chapter 3 addresses the role of microbial processes in sulphur-assisted corrosion. Chapter 4 covers the modelling of sulphide-assisted corrosion. Chapter 5 is devoted to a panel discussion aiming to identify open issues in the investigation of sulphur-assisted corrosion phenomena and how to incorporate these in robust lifetime prediction of metallic barriers.
Book Synopsis Mechanistic Modelling of the Corrosion Behaviour of Copper Nuclear Fuel Waste Containers by : Fraser King
Download or read book Mechanistic Modelling of the Corrosion Behaviour of Copper Nuclear Fuel Waste Containers written by Fraser King and published by Pinawa, Man. : Whiteshell Laboratories. This book was released on 1996 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The potential for stress corrosion cracking of copper containers in a Canadian nuclear fuel waste disposal vault by : F. King
Download or read book The potential for stress corrosion cracking of copper containers in a Canadian nuclear fuel waste disposal vault written by F. King and published by . This book was released on 1996 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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