CHARACTERISTIC OF Zr-BEARING CRYSTALLINE PHASES FROM Rb-BEARING MODEL MATRIX MATERIALS

As part of the synthesis of new matrix materials for vitrification of highly active radioactive wastes, the crystalline phases formed during rapid cooling from melts of the Na2O–Rb2O–SrO(Ba)–B2O3– SiO2–Al2O3–ZrO2 system with a high Rb and Zr content (up to 10 mol. %) are found and studied. The prese...

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Main Authors: V.E. Eremyashev, G.G. Korinevskaya, M.A. Rassomakhin, S.M. Lebedeva
Format: Article
Language:English
Published: South Urals Federal Research Center of Mineralogy and Geoecology UB RAS 2023-12-01
Series:Минералогия
Subjects:
Online Access:https://journal.mineralogy.ru/wp-content/uploads/2023/12/2023_9_4_5.pdf
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author V.E. Eremyashev
G.G. Korinevskaya
M.A. Rassomakhin
S.M. Lebedeva
author_facet V.E. Eremyashev
G.G. Korinevskaya
M.A. Rassomakhin
S.M. Lebedeva
author_sort V.E. Eremyashev
collection DOAJ
description As part of the synthesis of new matrix materials for vitrification of highly active radioactive wastes, the crystalline phases formed during rapid cooling from melts of the Na2O–Rb2O–SrO(Ba)–B2O3– SiO2–Al2O3–ZrO2 system with a high Rb and Zr content (up to 10 mol. %) are found and studied. The presence of numerous Zr and Rb-bearing crystals in samples is established by electron microscopy, X-ray diffraction and Raman spectroscopy; their morphology, chemical composition and spectral characteristics are studied. It is concluded that these crystalline phases form due to the excessive content of individual components of the melt and their formation is responsible for the undesirable final local heterogeneity and crystallization of matrix materials.
format Article
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institution Kabale University
issn 2313-545X
2782-2044
language English
publishDate 2023-12-01
publisher South Urals Federal Research Center of Mineralogy and Geoecology UB RAS
record_format Article
series Минералогия
spelling doaj-art-b79e1c3fa7f341b6bab6dffecaf61a232025-02-07T08:55:01ZengSouth Urals Federal Research Center of Mineralogy and Geoecology UB RASМинералогия2313-545X2782-20442023-12-0194677410.35597/2313-545X-2023-9-4-5CHARACTERISTIC OF Zr-BEARING CRYSTALLINE PHASES FROM Rb-BEARING MODEL MATRIX MATERIALSV.E. Eremyashev0G.G. Korinevskaya1M.A. Rassomakhin2S.M. Lebedeva3South Urals Federal Research Center of Mineralogy and Geoecology UB RASSouth Urals Federal Research Center of Mineralogy and Geoecology UB RASSouth Urals Federal Research Center of Mineralogy and Geoecology UB RASSouth Urals Federal Research Center of Mineralogy and Geoecology UB RASAs part of the synthesis of new matrix materials for vitrification of highly active radioactive wastes, the crystalline phases formed during rapid cooling from melts of the Na2O–Rb2O–SrO(Ba)–B2O3– SiO2–Al2O3–ZrO2 system with a high Rb and Zr content (up to 10 mol. %) are found and studied. The presence of numerous Zr and Rb-bearing crystals in samples is established by electron microscopy, X-ray diffraction and Raman spectroscopy; their morphology, chemical composition and spectral characteristics are studied. It is concluded that these crystalline phases form due to the excessive content of individual components of the melt and their formation is responsible for the undesirable final local heterogeneity and crystallization of matrix materials.https://journal.mineralogy.ru/wp-content/uploads/2023/12/2023_9_4_5.pdfradioactive wasteimmobilizationmatrix materialscrystallizationrubidiumzirconium
spellingShingle V.E. Eremyashev
G.G. Korinevskaya
M.A. Rassomakhin
S.M. Lebedeva
CHARACTERISTIC OF Zr-BEARING CRYSTALLINE PHASES FROM Rb-BEARING MODEL MATRIX MATERIALS
Минералогия
radioactive waste
immobilization
matrix materials
crystallization
rubidium
zirconium
title CHARACTERISTIC OF Zr-BEARING CRYSTALLINE PHASES FROM Rb-BEARING MODEL MATRIX MATERIALS
title_full CHARACTERISTIC OF Zr-BEARING CRYSTALLINE PHASES FROM Rb-BEARING MODEL MATRIX MATERIALS
title_fullStr CHARACTERISTIC OF Zr-BEARING CRYSTALLINE PHASES FROM Rb-BEARING MODEL MATRIX MATERIALS
title_full_unstemmed CHARACTERISTIC OF Zr-BEARING CRYSTALLINE PHASES FROM Rb-BEARING MODEL MATRIX MATERIALS
title_short CHARACTERISTIC OF Zr-BEARING CRYSTALLINE PHASES FROM Rb-BEARING MODEL MATRIX MATERIALS
title_sort characteristic of zr bearing crystalline phases from rb bearing model matrix materials
topic radioactive waste
immobilization
matrix materials
crystallization
rubidium
zirconium
url https://journal.mineralogy.ru/wp-content/uploads/2023/12/2023_9_4_5.pdf
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AT ggkorinevskaya characteristicofzrbearingcrystallinephasesfromrbbearingmodelmatrixmaterials
AT marassomakhin characteristicofzrbearingcrystallinephasesfromrbbearingmodelmatrixmaterials
AT smlebedeva characteristicofzrbearingcrystallinephasesfromrbbearingmodelmatrixmaterials