Abstract
Vitreous materials are prepared by cold crucible induction melting of a surrogate of high-level wastes (from the Savannah River Site, United States) and a borosilicate glass frit taken in mass ratios from 45: 55 to 60: 40. According to the X-ray diffraction and electron microscopic data, the vitreous materials thus produced consist of a glass matrix and a magnetite-type spinel enriched in transition elements. The degree of crystallinity of the materials increases with an increase in the waste oxide content from 6 to 18–20 vol %. The vitreous materials are characterized by a high chemical durability, which decreases only at high contents of the waste oxides (55 wt % and higher) due to the formation of an additional nepheline phase.
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Original Russian Text © S.V. Stefanovsky, B.S. Nikonov, J.C. Marra, 2007, published in Fizika i Khimiya Stekla.
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Stefanovsky, S.V., Nikonov, B.S. & Marra, J.C. Characterization of the glass-ceramic material prepared upon vitrification of an iron-containing surrogate of high-level wastes in a cold crucible. Glass Phys Chem 33, 576–586 (2007). https://doi.org/10.1134/S1087659607060089
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DOI: https://doi.org/10.1134/S1087659607060089