Relevant bibliographies by topics / Radiolyse de surface

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  1. Journal articles
  2. Dissertations / Theses
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  4. Conference papers
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Academic literature on the topic 'Radiolyse de surface'

Author: Grafiati
Published: 18 May 2024
Last updated: 31 July 2025

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Journal articles on the topic "Radiolyse de surface"

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Erlandsen, Stanley, Ming Lei, Ines Martin-Lacave, Gary Dunny, and Carol Wells. "High Resolution CryoFESEM of Microbial Surfaces." Microscopy and Microanalysis 9, no. 4 (2003): 273–78. http://dx.doi.org/10.1017/s1431927603030502.

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The outer surfaces of three microorganisms, Giardia lamblia, Enterococcus faecalis, and Proteus mirabilis, were investigated by cryo-immobilization followed by sublimation of extracellular ice and cryocoating with either Pt alone or Pt plus carbon. Cryocoated samples were examined at −125°C in either an in-lens field emission SEM or a below-the-lens field emission SEM. Cryocoating with Pt alone was sufficient for low magnification observation, but attempts to do high-resolution imaging resulted in radiolysis and cracking of the specimen surface. Double coating with Pt and carbon, in combinatio
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Briggs, Scott, Mehran Behazin, and Fraser King. "Validation of Water Radiolysis Models Against Experimental Data in Support of the Prediction of the Radiation-Induced Corrosion of Copper-Coated Used Fuel Containers." Corrosion and Materials Degradation 6, no. 2 (2025): 14. https://doi.org/10.3390/cmd6020014.

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Copper has been proposed as a container material for the disposal of used nuclear fuel in a number of countries worldwide. The container materials will be subject to various corrosion processes in a deep geological repository, including radiation-induced corrosion (RIC) resulting from the γ-irradiation of the near-field environment. A comprehensive model is being developed to predict the extent of RIC by coupling a radiolysis model to the interfacial electrochemical reactions on the container surface. An important component of the overall model is a radiolysis model to predict the time-depende
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Mukherjee, Smita, Marie-Claude Fauré, Michel Goldmann, and Philippe Fontaine. "Two step formation of metal aggregates by surface X-ray radiolysis under Langmuir monolayers: 2D followed by 3D growth." Beilstein Journal of Nanotechnology 6 (December 15, 2015): 2406–11. http://dx.doi.org/10.3762/bjnano.6.247.

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In order to form a nanostructured metallic layer below a Langmuir monolayer, radiolysis synthesis was carried out in an adapted geometry that we call surface X-ray radiolysis. In this procedure, an X-ray beam produced by a synchrotron beamline intercepts the surface of an aqueous metal-ion solution covered by a Langmuir monolayer at an angle of incidence below the critical angle for total internal reflection. Underneath the organic layer, the X-ray beam induces the radiolytic synthesis of a nanostructured metal–organic layer whose ultrathin thickness is defined by the vertical X-ray penetratio
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Duński, H., R. Leszczyński, and S. Wysocki. "Benzene gamma-radiolysis on MgO surfaces." Journal of Radioanalytical and Nuclear Chemistry Articles 152, no. 2 (1991): 329–35. http://dx.doi.org/10.1007/bf02104686.

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Imanova, Gunel. "Molecular hydrogen production by radiolysis of water on the surface of nano-ZrO2 under the influence of gamma rays." Synthesis and Sintering 2, no. 1 (2022): 9–13. http://dx.doi.org/10.53063/synsint.2022.21105.

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In this research, the radiation-heterogeneous processes of water decomposition on the surface of zirconium dioxide nanoparticles (n-ZrO2) were studied. The kinetics of buildup of molecular hydrogen during the radiolytic processes of water decomposition was also examined. The production of H2 and H2O2 through water radiolysis was investigated to develop a computational model and disclose the kinetic behavior of water radiolysis. The enthalpy of ZrO2 nanoparticles was studied at the temperature range T=1200-2900 K, in which ZrO2 nanoparticles has a two-phase transition. Some of the electrons wer
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Wang, Honglong, Yaping Sun, Jian Chu, Xu Wang та Ming Zhang. "Intensive study on structure transformation of muscovite single crystal under high-dose γ -ray irradiation and mechanism speculation". Royal Society Open Science 6, № 7 (2019): 190594. http://dx.doi.org/10.1098/rsos.190594.

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Intensive study on structure transformation of muscovite single crystal under high-dose γ -ray irradiation is essential for its use in irradiation detection and also beneficial for mechanism cognition on defect formation within a matrix of clay used in the disposal of high-level radioactive waste (HLRW). In this work, muscovite single crystal was irradiated with Co-60 γ ray in air at a dose rate of 54 Gy min −1 with doses of 0–1000 kGy. Then, structure transformation and mechanism were explored by Raman spectrum, Fourier-transform infrared spectrum, X-ray diffraction, thermogravimetric analysi
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Reiff, Sarah C., and Jay A. LaVerne. "Radiolysis of water with aluminum oxide surfaces." Radiation Physics and Chemistry 131 (February 2017): 46–50. http://dx.doi.org/10.1016/j.radphyschem.2016.10.022.

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Yamaguchi, Akinobu, Ikuya Sakurai, Ikuo Okada, et al. "Solid/liquid-interface-dependent synthesis and immobilization of copper-based particles nucleated by X-ray-radiolysis-induced photochemical reaction." Journal of Synchrotron Radiation 27, no. 4 (2020): 1008–14. http://dx.doi.org/10.1107/s1600577520005184.

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X-ray-radiolysis-induced photochemical reaction of a liquid solution enables the direct synthesis and immobilization of nano/micro-scale particles and their aggregates onto a desired area. As is well known, the synthesis, growth and aggregation are dependent on the pH, additives and X-ray irradiation conditions. In this study, it was found that the topography and composition of synthesized particles are also dependent on the types of substrate dipped in an aqueous solution of Cu(COOCH3)2 in the X-ray-radiolysis-induced photochemical reaction. These results are attributed to the fact that a sec
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Ubaldini, Alberto, Chiara Telloli, Antonietta Rizzo, et al. "A Study of Accelerated Corrosion of Stainless Steels under Highly Oxidizing Conditions." Coatings 14, no. 4 (2024): 390. http://dx.doi.org/10.3390/coatings14040390.

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The corrosion behavior of certain steels under extremely oxidative conditions, simulating the impact of water radiolysis on stainless steels, has been investigated. Radiolysis generates aggressive species, including radicals, solvated electrons, and hydrogen peroxide, potentially leading to corrosion over time in materials typically considered resistant. To expedite the kinetics of this phenomenon, drastic conditions were employed, involving high concentrations of peroxide in a strongly acidic environment. Under these conditions, corrosion can manifest rapidly. The varied responses of differen
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Carrasco-Flores, Eduardo A., and Jay A. LaVerne. "Surface species produced in the radiolysis of zirconia nanoparticles." Journal of Chemical Physics 127, no. 23 (2007): 234703. http://dx.doi.org/10.1063/1.2806164.

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Dissertations / Theses on the topic "Radiolyse de surface"

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Deroche, Arnaud. "Réactivité de l’eau à la surface des oxydes d’actinide. Modifications surfaciques et radiolyse." Thesis, Montpellier, 2018. http://www.theses.fr/2018MONTS112/document.

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Les oxydes d’actinides sont des matériaux hygroscopiques. L’adsorption de l’eau à leurs surfaces est susceptible d’entrainer des modifications quant à la nature ou à son état. Dans le cas des oxydes à fort débit de dose, vient s’ajouter les effets de radiolyse de l’eau, entrainant sa décomposition et générant du dihydrogène. Ces deux aspects, étude de surface et radiolyse de l’eau, ont été étudiés ici. L’étude de la génération de dihydrogène par radiolyse de l’eau adsorbée à la surface a montré que cette génération linéaire dans les premiers temps atteint une concentration stable au bout de pl
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Gaillard, Jérémy. "Réactivité de l’eau à la surface des oxydes mixtes (U,Pu)O2." Thesis, Montpellier 2, 2013. http://www.theses.fr/2013MON20225.

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L'interaction de l'eau avec les surfaces d'oxyde d'actinides demeure relativement peu étudiée. L'adsorption d'eau à la surface de PuO2 et (U,Pu)O2 conduit à la génération de H2 par radiolyse mais également à l'évolution de l'état de surface. L'étude de l'interaction de l'eau avec les surfaces d'oxydes mixtes (U,Pu)O2 requiert de mettre en œuvre des techniques d'analyses peu intrusives. L'étude de l'hydratation de la surface de CeO2 permet d'étudier la pertinence de différentes techniques d'analyses. Les résultats montrent que l'adsorption d'eau à la surface de CeO2 conduit à une évolution de l
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Luna, Barron Ana Laura. "Synthesis and characterization of new modified photocatalysts for environmental and energy applications." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLS105/document.

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De nos jours, la pollution de l'environnement et la crise énergétique sont largement concernés partout dans le monde. Il est une tâche urgente de développer des technologies respectueuses de l'environnement pour les énergies propres alternatives. La photocatalyse est une des méthodes les plus prometteuses pour ces sujets. Le semi-conducteur le plus utilisé dans la photocatalyse est TiO₂ en raison de ses excellentes propriétés physiques et chimiques, de haute disponibilité et à faible coût. La modification de TiO₂ avec des nanoparticules métalliques ont démontré un effet bénéfique sur l'activit
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Diot, Guillaume. "Étude de l'interface oxyde de graphène / 1-eicosyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide par la procédure des films de Langmuir : influence de l'ajout d'or dans la sous-phase." Electronic Thesis or Diss., Sorbonne université, 2023. http://www.theses.fr/2023SORUS628.

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Les supercondensateurs à base de liquide ionique (LI) comme électrolyte et de graphène comme électrode sont des dispositifs prometteurs. Ils possèdent une grande densité de puissance mais souffrent d’une faible densité de stockage de l’énergie comparé au batterie actuelles. L’ajout de nanoparticules d’or entre les feuillets de graphène et le LI semble prometteur pour améliorer ces propriétés. Nous utilisons la méthode des films de Langmuir, une procédure permettant d’élaborer et d’étudier des monocouches et des interfaces sur une surface d’eau sous diverses conditions physico-chimiques, pour é
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Lousada, Patrício Cláudio Miguel. "Reactions of aqueous radiolysis products with oxide surfaces : An experimental and DFT study." Doctoral thesis, KTH, Tillämpad fysikalisk kemi, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-119780.

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The reactions between aqueous radiolysis products and oxide surfaces are important in nuclear technology in many ways. In solid-liquid systems, they affect (and at the same time are dependent on) both the solution chemistry and the stability of materials under the influence of ionizing radiation. The stability of surface oxides is a factor that determines the longevity of the materials where such oxides are formed. Additionally, the aqueous radiolysis products are responsible for corrosion and erosion of the materials.   In this study, the reactions between radiolysis products of water – mainl
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Book chapters on the topic "Radiolyse de surface"

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Liu, Yan, Xiaojing Liu, Sijia Du, Jiageng Wang, and Hui He. "Multi-Physics Coupling Model for Thermal Hydraulics and Solute Transport in CRUD Deposits." In Springer Proceedings in Physics. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1023-6_35.

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AbstractThe porous Chalk River Unidentified Deposit (CRUD) depositions on the fuel cladding have a great impact on the heat transfer and power distribution of the reactor, resulting in a decrease in reactor safety and economy. In current paper, a multi-physics model is developed to simulate thermal hydraulics and boron hideout within the CRUD depositions. Processes including heat transfer, pressure drop, capillary flow, solute transport, chemical reactions and radiolysis reactions are fully coupled. The coolant flows through the capillary tubes in the porous medium and evaporates into steam at
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Cassidy, T., P. Coll, F. Raulin, et al. "Radiolysis and Photolysis of Icy Satellite Surfaces: Experiments and Theory." In Satellites of the Outer Solar System. Springer New York, 2010. http://dx.doi.org/10.1007/978-1-4419-7439-6_11.

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Gadzhieva, Nushaba. "IR-Spectroscopy of Radiation- Stimulated Processes of Adsorption, Radiolysis, and Hydrogenation on the Surface of Metals in Contact with Hydrocarbons." In Infrared Spectroscopy - Principles, Advances, and Applications. IntechOpen, 2019. http://dx.doi.org/10.5772/intechopen.80431.

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Conference papers on the topic "Radiolyse de surface"

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Wyllie, W. E., D. J. Duquette, and D. Steiner. "The Effect of Irradiation on the Corrosion Behavior of Stainless Steel in Pure Water." In CORROSION 1993. NACE International, 1993. https://doi.org/10.5006/c1993-93617.

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Abstract This paper is focused on the corrosion behavior of Type 316 stainless steel (316SS) at 50°C in high-purity water. Irradiated solution tests are performed using high-energy photon radiation. The purpose of this work is to determine the effects of radiolysis products on the environmental stability of 316SS in support of the ITER first wall/shield/blanket design. Results show that irradiation of the test solution at 50°C induces a shift in the electrochemical potential of approximately 100mV in the active direction compared to non-irradiated solution. This shift is attributed to the form
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Gattu, V. K., W. L. Ebert, N. Tehrani, and J. E. Indacochea. "Electrochemical Measurements of Steel Corrosion for Modeling H2 Generation." In CORROSION 2018. NACE International, 2018. https://doi.org/10.5006/c2018-11370.

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Abstract The H2 generation rate due to anoxic metal corrosion and radiolysis is a critical parameter value in the fuel degradation model to be used in performance analyses of waste disposal facilities. We are using electrochemical methods to measure the corrosion rates of low alloy steels, stainless steels, and Zircaloy-4 that can be used to represent H2 generation rates under the range of Eh-pH conditions that could occur in a disposal system. Potentiostatic tests are being conducted to monitor the anodic corrosion current over several days as the surface corrodes at an imposed voltage, with
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Raiman, Stephen, Gary Was, and Peng Wang. "Irradiation Accelerated Corrosion of Stainless Steel and Ferritic-Martensitic Steel in Simulated Primary Water." In CORROSION 2017. NACE International, 2017. https://doi.org/10.5006/c2017-09131.

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Abstract Austenitic stainless steel, and ferritic-martensitic steel were irradiated with a proton beam while simultaneously exposed to simulated PWR primary water. Samples were exposed for 4-72 hr in 320°C water with 3 wppm hydrogen while simultaneously irradiated at surface dose rates from 400-4000 kGy/s (4x10-7 to 7x10-6 dpa/s). After exposure, samples were characterized with TEM, EDS, and Raman spectroscopy to determine the effects of radiation on the growth and stability of the oxide films. Samples which were irradiated during exposure had thinner inner oxides compared to unirradiated samp
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Macdonald, Digby D., Chun Liu, Mirna Urquidi-Macdonald, and Jim Lolcama. "Prediction of Corrosion Damage to High Level Nuclear Waste Canisters." In CORROSION 1993. NACE International, 1993. https://doi.org/10.5006/c1993-93174.

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Abstract The corrosion of alloy canisters in a plutonic rock repository has been explored using five deterministic models. A Mixed Potential Model (MPM) was used to calculate the corrosion potential of the canister as a function of time after resaturation, and it is predicted that the corrosion potential will shift in the negative direction as the ambient oxygen is consumed coupled with a much smaller positive shift due to the decay in temperature. Maximum general corrosion rates have been estimated using the Maximum Rate Model (MRM) and the Radiolytic Maximum Rate Model (RMRM), both of which
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Macdonald, Digby D. "Estimation of Corrosion Potentials in the Cores of Light Water Reactors." In CORROSION 1992. NACE International, 1992. https://doi.org/10.5006/c1992-92088.

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Abstract A mixed potential model (MPM) has been developed for calculating electrochemical potential (ECP) data for Boiling Water Reactor (BWR) in-vessel components and recirculation piping using compositional data obtained from radiolysis models. The calculated component ECPs for the Duane- Arnold BWR are in good agreement with limited in-plant data. The data suggest that hydrogen water chemistry (HWC) will be effective in protecting the lower plenum and recirculation system of this reactor against IGSCC, but that it will be ineffective in protecting other in-vessel components, (e.g. the upper
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Macdonald, Digby D., and George R. Engelhardt. "After Two Decades of Predicting Crack Growth Rate-What Have We Learned?" In CORROSION 2004. NACE International, 2004. https://doi.org/10.5006/c2004-04673.

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Abstract A review is presented of models that have been developed by the authors for estimating crack growth rate in sensitized Type 304 SS in Boiling Water Reactor (BWR) heat transport circuit (HTC) structural components, with emphasis on the electrochemistry of the process and on determinism (i.e., models whose prediction are constrained explicitly by the natural laws). Intergranular Stress Corrosion Cracking (IGSCC) under normal BWR operating conditions (T = 288°C, pure water) is primarily an electrochemical process that occurs at potentials that are more positive than a critical value of E
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Shoesmith, D. W. "Used Fuel and Uranium Dioxide Dissolution Studies – A Review Report No.: NWMO-TR-2007-03." In CORROSION 2008. NACE International, 2008. https://doi.org/10.5006/c2008-08rts04.

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Abstract The extensive studies of used fuel dissolution inside a failed nuclear waste container have been reviewed. The primary controlling factor is the redox condition set at the fuel surface by water radiolysis, its evolution with time as radiation fields decay, and how it is influenced by the presence of oxidant scavengers, especially H2, produced by corrosion of the steel liner in the container. If the container fails early, and oxidizing conditions are established, dissolution will be a corrosion reaction driven by radiolytically-produced H2O2. As radiation fields decay and conditions be
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Ramos Bernal, S., and A. Negrón-Mendoza. "Comparison between the homogeneous and heterogeneous reactions during the radiolysis of aconitic acid." In The 8th Latin American congress on surface science: Surfaces , vacuum, and their applications. AIP, 1996. http://dx.doi.org/10.1063/1.51157.

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Schoenfeld, Michael P., Samim Anghaie, and Mohamed S. El-Genk. "Radiolysis Concerns for Water Shielding in Fission Surface Power Applications." In 008. AIP, 2008. http://dx.doi.org/10.1063/1.2844986.

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Kuznetsov, M., R. Redlinger, W. Breitung, J. Grune, K. Sempert, and A. Friedrich. "Experimental and Numerical Simulation of Radiolysis Gas Detonations and Mechanical Response of BWR Exhaust Pipes." In 18th International Conference on Nuclear Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/icone18-29697.

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Radiolysis gas (2H2+O2) can accumulate in BWR steam piping in case of steam condensation. An ensuing detonation of the radiolysis gas is the likeliest cause of a pipe and/or valve damage. In the current work we investigate a typical BWR exhaust pipe, which connects the high pressure steam piping with the ambient atmosphere, under the following “worst case” scenario: (a) accumulation of radiolysis gas in an exhaust pipe, (b) fast valve opening to the high pressure system with steam at 70 bar, and (c) adiabatic pressurization of the radiolysis gas by the steam. Taking into account a water surfac
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Reports on the topic "Radiolyse de surface"

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Stout, Ray. Non-equilibrium thermodynamic dissolution theory for multi-component solid/liquid surfaces involving surface absorption and radiolysis kinetics. Office of Scientific and Technical Information (OSTI), 2000. http://dx.doi.org/10.2172/777501.

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Sutton, Mark. Level 4 Milestone (M4): M41UF033201 - Review of Radiolysis of Brines on the Surface of a Waste Package. Office of Scientific and Technical Information (OSTI), 2011. http://dx.doi.org/10.2172/1113495.

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Gray, W. J. Effect of surface oxidation, alpha radiolysis, and salt brine composition on spent fuel and UO/sub 2/ leaching performance: Salt Repository Project. Office of Scientific and Technical Information (OSTI), 1988. http://dx.doi.org/10.2172/6783908.

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