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Open AccessEffect of structural disorder induced by external irradiation with heavy ions on the alteration of a four oxide borosilicate glass
The irradiation of glass by heavy ions induces structural damage, generally leading to a decrease in its chemical durability whose amplitude strongly depends on the glass chemical composition. Here, we investi...
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Open AccessAuthor Correction: On the effect of Al on alumino-borosilicate glass chemical durability
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Open AccessOn the effect of Al on alumino-borosilicate glass chemical durability
The chemical durability of borosilicate glass used to confine nuclear wastes is known to vary nonlinearly with their composition, making glass dissolution rate predictions difficult. Here, we focus on the effe...
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Open AccessA comparative study of the dissolution mechanisms of amorphous and crystalline feldspars at acidic pH conditions
The dissolution of amorphous and crystalline oligoclase, a Na-feldspar with traces of Ca and K, was investigated at 90 °C and acidic pH of 1.5 and 3 to unravel the impact of long- and short-range orders on sil...
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Open AccessAqueous alteration of silicate glass: state of knowledge and perspectives
The question of silicate glass chemical durability is at the heart of many industrial and environmental issues, with certain glasses, such as bioglasses, needing to transform rapidly, while others, like nuclea...
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Open AccessInvestigation on boron and iodine behavior during nuclear glass vapor hydration
Understanding the durability of nuclear glass in the vapor phase is essential for evaluating the long-term safety of the nuclear glass. This work studies the vapor hydration of borosilicate and iodine-bearing ...
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Open AccessCan a simple topological-constraints-based model predict the initial dissolution rate of borosilicate and aluminosilicate glasses?
Tuning glass composition to obtain targeted properties generally relies on empirical approaches. However, a deep understanding of the physical and chemical mechanisms linking glass composition to its structure...
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Open AccessHydrogen bonding interactions of H2O and SiOH on a boroaluminosilicate glass corroded in aqueous solution
Hydrogen bonding interactions play an important role in many chemical and physical processes occurring in bulk liquids and at interfaces. In this study, hydrous species (H2O and Si-OH) on nano-porous alteration l...
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Open AccessToF-SIMS depth profiling of altered glass
Glass and mineral corrosion usually leads to the formation of morphologically and compositionally complex surface layers that can be characterized by various analytical techniques to infer rate control mechani...
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Open AccessModeling glass corrosion with GRAAL
Computational codes are necessary tools for geochemical modeling of the alteration of minerals due to their ability to handle key mechanisms, such as dissolution, precipitation, diffusion, and convection at ma...
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Open AccessSimplifying a solution to a complex puzzle
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Open AccessEffect of thermally induced structural disorder on the chemical durability of International Simple Glass
While the influence of silicate oxide glass composition on its chemical durability is increasingly known, the contribution of structure only is less well understood, yet is crucial for an accurate description ...
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Open AccessApplication of GRAAL model to the resumption of International Simple Glass alteration
The methodology developed for predicting nuclear waste behavior under disposal conditions combines experimental approaches and modeling. A waste glass canister placed in contact with water undergoes irreversib...
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Open AccessSpectroscopic ellipsometry study of thickness and porosity of the alteration layer formed on international simple glass surface in aqueous corrosion conditions
The porosity and pore-size distribution in the glass play an important role in glass corrosion; however, such information is difficult to be obtained non-destructively. Here we report the use of spectroscopic ...
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Open AccessDynamics of self-reorganization explains passivation of silicate glasses
Understanding the dissolution of silicate glasses and minerals from atomic to macroscopic levels is a challenge with major implications in geoscience and industry. One of the main uncertainties limiting the de...
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Open AccessImpact of alkali on the passivation of silicate glass
Amorphous silica-rich surface layers, also called gels, can passivate silicate glass and minerals depending on environmental conditions. However, several uncertainties remain on the mechanisms controlling the ...
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Open AccessChemical durability of peraluminous glasses for nuclear waste conditioning
For the handling of high level nuclear waste (HLW), new glass formulations with a high waste capacity and an enhanced thermal stability, chemical durability, and processability are under consideration. This st...
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Open AccessMolecular Dynamics Simulation of Water Confinement in Disordered Aluminosilicate Subnanopores
The porous structure and mass transport characteristics of disordered silicate porous media were investigated via a geometry based analysis of water confined in the pores. Disordered silicate porous media were...
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Open AccessStructure of International Simple Glass and properties of passivating layer formed in circumneutral pH conditions
Knowing the structure of a material is necessary to understand its evolution under various influences; here, the alteration by water of a reference glass of nuclear interest, called International Simple Glass ...
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Open AccessContribution of zeolite-seeded experiments to the understanding of resumption of glass alteration
Understanding the origin and the consequences of glass alteration regimes is necessary for the prediction of nuclear glass durability. The so-called “stage 3” or “resumption of alteration regime” of glasses us...