Academic literature on the topic 'Sieverts constant'

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Journal articles on the topic "Sieverts constant"

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Pomella Lobo, Tiago, Ester Diaz-Alvarez, and Laëtitia Frances. "A Model to Simulate Gas Dissolution into/through Metals and Its Application to Deuterium in a 316L Steel Chamber with Pb-Li in a Quasi-2D Geometry." Applied Sciences 12, no. 5 (2022): 2523. http://dx.doi.org/10.3390/app12052523.

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Liquid lead-lithium in eutectic proportions (Pb-Li) is a candidate material for Breeding Blankets (BBs) in future Fusion Power Plants (FPP). BB design depends on the diffusivity and Sieverts’ constant (solubility) of tritium in this alloy, but literature reports a large scattering of measurements for these values. A model was developed to address one possible source of this scattering in static experiments, i.e., non-negligible loss of hydrogen gas through steel walls of containers. This model simulates the dissolution of gases into, and their diffusion through, metallic barriers for diffusivi
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Bolʼshov, L. A., S. K. Korneichuk, and E. L. Bolʼshova. "Thermodynamics of nitrogen solutions in liquid nickel." Izvestiya. Ferrous Metallurgy 64, no. 3 (2021): 200–204. http://dx.doi.org/10.17073/0368-0797-2021-3-200-204.

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The simplest model of the structure and interatomic interaction is applied to nitrogen solutions in liquid alloys of Fe – Ni system, which earlier (2019) was used by the authors for nitrogen solutions in alloys of Fe – Cr system. The principles of statistical mechanics are used in this model. Thus, three formulas were obtained. The first formula expresses the Sieverts law constant for the solubility of nitrogen in liquid nickel through a similar constant for the solubility of nitrogen in liquid iron and the Wagner interaction coefficient of nitrogen with nickel in low-concentration liquid iron
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Priester, F., R. Größle, N. Bekris, and I. Cristescu. "A new facility for the measurement of the Sieverts’-constant for PbLi with tritium." Fusion Engineering and Design 191 (June 2023): 113568. http://dx.doi.org/10.1016/j.fusengdes.2023.113568.

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Bystrzycki, J., T. Czujko, R. A. Varin, and Jaroslaw Mizera. "The Effect of Milling Mode on the Hydriding Properties of Nanocrystalline Mg2Ni." Solid State Phenomena 99-100 (July 2004): 137–42. http://dx.doi.org/10.4028/www.scientific.net/ssp.99-100.137.

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The paper presents the results of studies of the hydrogen sorption properties of nanocrystalline Mg2Ni intermetallic prepared by mechanical (ball) milling under controlled shearing/impact mode. The pre-alloyed intermetallic powders were subjected to ball milling under various controlled milling conditions such as shearing, high-energy shearing and impact in a magnetic Uni-Ball-Mill 5. The hydriding properties were evaluated by monitoring the absorption PC isotherms by the conventional constant-volume method using Sieverts semi-automatic apparatus. Changes of structure during processing and hyd
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Lim, Jun, Manfredi Gabriele, Alessandro Marino, Kristof Gladinez, and Alexander Aerts. "Electrochemical Measurement of Sieverts’ Constant and Solubility of Oxygen in LBE at 598–748 K." Journal of The Electrochemical Society 164, no. 12 (2017): H743—H747. http://dx.doi.org/10.1149/2.0231712jes.

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Bol’shov, L. A., and S. K. Korneichuk. "THERMODYNAMICS OF LIQUID NITROGEN SOLUTIONS IN CHROMIUM." Izvestiya. Ferrous Metallurgy 62, no. 5 (2019): 387–93. http://dx.doi.org/10.17073/0368-0797-2019-5-387-393.

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A simple theory of thermodynamic properties of liquid nitrogen solutions in Fe – Cr alloys is proposed based on lattice model of the considered solutions. The model assumes a FCC lattice. In the sites of this lattice are the atoms of Fe and Cr. Nitrogen atoms are located in octahedral interstices. The nitrogen atom interacts only with the metal atoms located in the lattice sites neighboring to it. It is assumed that the energy of this interaction depends neither on the composition nor on the temperature. It is supposed that the solution in the Fe – Cr system is perfect. Within the framework of
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Esteban, G. A., A. Perujo, and F. Legarda. "Study of the Isotope Effects in the Hydrogen Transport in Polycrystalline Tungsten." Materials Science Forum 480-481 (March 2005): 537–42. http://dx.doi.org/10.4028/www.scientific.net/msf.480-481.537.

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A time-dependent gas-phase isovolumetric desorption technique has been used to evaluate the diffusive transport parameters of hydrogen isotopes in polycrystalline tungsten in the temperatures range 673 to 1073 K and driving pressures from 1.3 104 to 105 Pa. Experiments have been run with both protium and deuterium obtaining their respective transport parameters diffusivity (D), Sieverts’ constant (Ks), the trap site density (Nt) and the trapping activation energy (Et). Isotope effects on these transport parameters are analysed and modelled. Because the classical isotope relation for diffusivit
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Suzuki, Asuka, and Hiroshi Yukawa. "A Review for Consistent Analysis of Hydrogen Permeability through Dense Metallic Membranes." Membranes 10, no. 6 (2020): 120. http://dx.doi.org/10.3390/membranes10060120.

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The hydrogen permeation coefficient (ϕ) is generally used as a measure to show hydrogen permeation ability through dense metallic membranes, which is the product of the Fick’s diffusion coefficient (D) and the Sieverts’ solubility constant (K). However, the hydrogen permeability of metal membranes cannot be analyzed consistently with this conventional description. In this paper, various methods for consistent analysis of hydrogen permeability are reviewed. The derivations of the descriptions are explained in detail and four applications of the consistent descriptions of hydrogen permeability a
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von der Weth, Axel, Frederik Arbeiter, Dmitry Klimenko, Volker Pasler, and Georg Schlindwein. "Permeation Data Analysis Considering a Nonzero Hydrogen Concentration on the Low Pressure Detector Side for a Purged Permeation Experiment." Defect and Diffusion Forum 391 (February 2019): 18–29. http://dx.doi.org/10.4028/www.scientific.net/ddf.391.18.

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Currently available diffusion constant and Sieverts constant experimental results are based on time dependent permeation experiments. The common principle is an analysis which is expecting that the permeating hydrogen is “transported” from the retentate chamber to the permeate chamber through the connecting membrane, with a vanishing hydrogen partial pressure on the permeate side. But reality shows a different behaviour caused by the fact that a nonzero hydrogen partial pressure in the permeate chamber is necessary for detection purposes. This nonzero pressure is mostly not considered by analy
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von der Weth, Axel, Frederik Arbeiter, Kaori Nagatou, Volker Pasler, Dmitri Klimenko, and Marvin Schulz. "Numerical Analysis of an Isovolumetric Thermal Desorption Experiment." Diffusion Foundations 27 (May 2020): 122–35. http://dx.doi.org/10.4028/www.scientific.net/df.27.122.

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Our research group is currently investigating a new kind of thermal desorption experiment (TDE), which uses a hydrogen isotope by loading-unloading process yielding transport parameters. Safety issues are limiting the hydrogen loading content to 3 % at 105 Pa, while former experiments are using pure hydrogen for the loading process at nearly same pressure e. g. [1]. Especially the thermal elongation coefficient (TDE operating conditions 300° to 500 °C compatibility to stainless steel) forces to think about an alternative material of boron silicate glass for specimen containment, in this paper
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Dissertations / Theses on the topic "Sieverts constant"

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Trommer, Constanze [Verfasser], and Hans-H. [Gutachter] Sievers. "Analyse der früh- und mittelfristigen Ergebnisse nach Aortenklappenrekonstruktion (Reimplantationstechnik nach David) sowie deren potentieller Einflussfaktoren / Constanze Trommer ; Gutachter: Hans-H. Sievers." Leipzig : Universitätsbibliothek Leipzig, 2014. http://d-nb.info/1238601812/34.

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Conference papers on the topic "Sieverts constant"

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Murakami, Kota, Nobuaki Yabe, Hiroshi Suzuki, Kenichi Takai, Yukito Hagihara, and Yoru Wada. "Substitution of High-Pressure Charge by Electrolysis Charge and Hydrogen Environment Embrittlement Susceptibilities for Inconel 625 and SUS 316L." In ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/pvp2006-icpvt-11-93397.

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Hydrogen-fuel-cell vehicles have been developed and the gaseous pressure in the current major storage tanks of the vehicles varies from 35 to 70 MPa because of the demand for the increase in running distance. Hydrogen refueling stations are required to be resistant to 100 MPa hydrogen gas and the alloys used for such stations are required to have an excellent resistance to hydrogen environment embrittlement (HEE). The purposes of the present study are to substitute the high-pressure gaseous charge of hydrogen by electrolysis charge and to evaluate hydrogen degradation susceptibilities for Inco
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Cheu, Darrell, Thomas Adams, and Shripad Revankar. "Hydrogen Loading System for Thin Films for Betavoltaics." In 2022 29th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/icone29-93910.

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Abstract Betavoltaics are direct conversion energy devices that are ideal for low, micropower and long-lasting, uninterruptable applications. Betavoltaics operate similarly to photovoltaics where a radioisotope irradiates beta particles into a semiconductor p-n junction that converts the kinetic energy into electrical energy. Betavoltaics are limited by their power output from the radioiso-tope. The source density can be increased by the selection of solid-state substrates. While solid-state substrates can be selected from simulations, the viability of the substrate to absorb tritium has to ev
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