Sébastien Caes
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View article: In situ determination of cement paste porosity in parallel with corrosion study of aluminium alloy 1100 in Portland cement pastes
In situ determination of cement paste porosity in parallel with corrosion study of aluminium alloy 1100 in Portland cement pastes Open
In the context of the corrosion study of aluminium alloy 1100 in contact with Portland cement pastes by electrochemical impedance spectroscopy (EIS), a quantitative characterization of the capillary porosity of cement pastes was performed …
View article: Investigation of kinetics and mechanisms of metallic beryllium corrosion for the management of radioactive wastes
Investigation of kinetics and mechanisms of metallic beryllium corrosion for the management of radioactive wastes Open
Activated beryllium wastes are produced by the nuclear industry and have to be managed as radioactive waste during decommissioning and dismantling of nuclear facilities. One potential approach to the management of these wastes is their enc…
View article: Determination of the maximum dissolution rates of the Belgian reference glasses at very alkaline pH and 30 °C
Determination of the maximum dissolution rates of the Belgian reference glasses at very alkaline pH and 30 °C Open
To assess the chemical durability of the Belgian reference glasses SON68, SM513, and SM539 under hyper-alkaline conditions, maximum glass dissolution rates were measured at 30 °C and pH 13.5 by performing Single-Pass Flow-Through tests wit…
View article: Dissolution of simulated nuclear waste glass at high surface area to solution volume, high pH and 70 °C: comparison of international simple glass and SON68 glass
Dissolution of simulated nuclear waste glass at high surface area to solution volume, high pH and 70 °C: comparison of international simple glass and SON68 glass Open
Long-term dissolution experiments on two nuclear waste glasses indicate a diffusion-controlled dissolution mechanism including the formation of a porous surface altered layer and secondary phases without a resumption to higher rates.
View article: Lessons learned from <i>in situ</i> corrosion experiments in the HADES URL
Lessons learned from <i>in situ</i> corrosion experiments in the HADES URL Open
A wide range of metals have been studied as a candidate container material to be considered in the geological disposal concept of high-level radioactive waste and spent fuel in Belgium. More than 40 years ago, SCK CEN started studies on th…
View article: Corrosion of aluminium in ordinary Portland cement paste: Influence of matrix porosity and the presence of LiNO<sub>3</sub> corrosion inhibitor
Corrosion of aluminium in ordinary Portland cement paste: Influence of matrix porosity and the presence of LiNO<sub>3</sub> corrosion inhibitor Open
The Belgian reactor 1 fuel cladding is made of aluminium. If disposed of in a geological disposal repository, aluminium could come into contact with ordinary Portland cement and is going to corrode to form hydrogen gas and aluminium hydrox…
View article: Static dissolution experiments under hyperalkaline conditions with dispersed and confined SM539 glass
Static dissolution experiments under hyperalkaline conditions with dispersed and confined SM539 glass Open
In the context of the geological disposal of vitrified radioactive waste, cracks are expected at the full scale of the glass blocks. To simulate glass alteration in cracks, static dissolution experiments were conducted with confined SM539 …
View article: Dissolution of simplified nuclear waste glass and formation of secondary phases
Dissolution of simplified nuclear waste glass and formation of secondary phases Open
Immobilization of high-level and intermediate-level nuclear wastes by vitrification in borosilicate glass is a well-established process. There is a consensus between the waste management agencies of many countries and many experts that vit…
View article: Dissolution Kinetics of International Simple Glass and Formation of Secondary Phases at Very High Surface Area to Solution Ratio in Young Cement Water
Dissolution Kinetics of International Simple Glass and Formation of Secondary Phases at Very High Surface Area to Solution Ratio in Young Cement Water Open
Static dissolution experiments were carried out with the reference International Simple Glass under hyperalkaline pH at 70 °C and very high SA/V ratio. Three aspects of glass dissolution behavior were investigated, (1) the rate drop regime…
View article: Dissolution of plasma treated non-radioactive surrogate cemented concentrates and ion exchange resins in KOH solution at 40 °C
Dissolution of plasma treated non-radioactive surrogate cemented concentrates and ion exchange resins in KOH solution at 40 °C Open
In Belgium, plasma incineration is a possible option to (re-)condition low and intermediate level short-lived waste streams in order to obtain end products which can fulfill the criteria developed for a near surface disposal facility. In t…
View article: Overview OF<sup>14</sup>C release from irradiated zircaloys in geological disposal conditions
Overview OF<sup>14</sup>C release from irradiated zircaloys in geological disposal conditions Open
Carbon-14 (radiocarbon, 14 C) is a long-lived radionuclide (5730 yr) of interest regarding the safety for the management of intermediate level wastes (ILW). The present study gives an overview of the release of 14 C from irradiated Zircalo…
View article: Attendees of Final Cast Symposium
Attendees of Final Cast Symposium Open
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View article: Carbon-14 release and speciation from carbon steel in highly alkaline conditions
Carbon-14 release and speciation from carbon steel in highly alkaline conditions Open
The release and the speciation of carbon species from irradiated JRQ carbon steel samples, representative of the reactor pressure vessel of Belgian nuclear power plants, were studied in a saturated portlandite aqueous solution, relevant fo…
View article: Release and speciation of carbon from Zircaloy-4 in anaerobic and highly alkaline conditions: Comparison of simple immersion and potentiostatic corrosion tests
Release and speciation of carbon from Zircaloy-4 in anaerobic and highly alkaline conditions: Comparison of simple immersion and potentiostatic corrosion tests Open
The gas release and speciation of carbon species from irradiated and unirradiated Zircaloy-4 samples, representative for the fuel cladding as used in Belgian nuclear power plants, were studied in a saturated Ca(OH) 2 solution in anaerobic …
View article: A SPRAY DRYING METHOD FOR THE PREPARATION OF Na2FePO4F/CB AND Na2FePO4F/CNT COMPOSITES CATHODE FOR LITHIUM-ION BATTERIES
A SPRAY DRYING METHOD FOR THE PREPARATION OF Na2FePO4F/CB AND Na2FePO4F/CNT COMPOSITES CATHODE FOR LITHIUM-ION BATTERIES Open
Fluorophosphates are considered among the most interesting series of cathode material for Li/Na-ion batteries1. Na2FePO4F (space group Pbcn), with its layered structure and two-dimensional pathways for facile Na+/Li+ transport, exhibits mi…
View article: Comparison of the electrochemical performance of Li4Ti5O12 spinel as negative electrodes for lithium-ion batteries prepared by sol gel and spray drying methods
Comparison of the electrochemical performance of Li4Ti5O12 spinel as negative electrodes for lithium-ion batteries prepared by sol gel and spray drying methods Open
Energy is considered as the lifeblood of modern society. Rechargeable batteries are the most promising to meet the human needs concerning the energy storage thanks their high energy density and high energy efficiency. Most difficult challe…
View article: Spray Drying-Assisted Synthesis of Na2FePO4F/CB and Na2FePO4F/CNT Composite Cathodes for Lithium Ion Battery
Spray Drying-Assisted Synthesis of Na2FePO4F/CB and Na2FePO4F/CNT Composite Cathodes for Lithium Ion Battery Open
Fluorophosphates are considered among the most interesting series of cathode materials for Li/Na-ion batteries. Na2FePO4F, with layered structure and two-dimensional pathways for facile Na+/Li+ transport [1], exhibits minimal structural ch…