BaO–reinforced SiO2–Na2O–Ca(O/F2)–Al2O3 glasses for radiation safety: On the physical, optical, structural and radiation shielding properties

Pacheco, Mayara Hilgert; Gibin, Mariana Sversut; Silva, M.A.; Montagnini, Guilherme Henrique; Viscovini, Ronaldo Celso; Steimacher, A.; Pedrochi, F.; Zanuto, Vitor Santaella; Muniz, Robson Ferrari

doi:10.1016/j.jallcom.2023.171019

Journal of Alloys and Compounds

2023

DOI: 10.1016/j.jallcom.2023.171019

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BaO–reinforced SiO2–Na2O–Ca(O/F2)–Al2O3 glasses for radiation safety: On the physical, optical, structural and radiation shielding properties

Mayara Hilgert Pacheco

Mariana Sversut Gibin

M.A. Silva

et al.

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Cited by 29 publications

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Structural Interaction between BaO and Al₂O₃ in Aluminosilicate Slags

Chen,

He,

Yang

et al. 2024

steel research int.

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The effect of BaO and Al2O3 on the viscosity of SiO2–CaO–MgO–Al2O3–BaO slag from 1673 to 1873 K is studied by the rotating cylinder method. The structure of slag is examined by Raman spectroscopy and molecular dynamics simulation. In this study of viscosity, Al2O3 shows amphoteric oxide characteristics and BaO shows characteristics different from the basic oxide. The viscosity increases as the BaO increases from 2 to 4 wt% in the slag with CaO/SiO2 = 1.07. However, the viscosity decreases when the BaO content increases from 6 to 8 wt%. From molecular dynamics simulations and Raman analysis, the increase in BaO content leads to a greater aggregation of Al around Ba atoms and increases the number of Al–O bonds. This indicates that higher BaO content promotes the polymerization of the [AlO4] tetrahedral structure. Furthermore, a good quantitative relationship between viscosity and the ratio of Q3/Q2 of the Raman spectrum of the slag is observed.

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Structural Interaction between BaO and Al₂O₃ in Aluminosilicate Slags

Chen,

He,

Yang

et al. 2024

steel research int.

View full text Add to dashboard Cite

show abstract

Utilizing a one-step hydrothermal method for fabrication and evaluation of radiation shielding characteristics in Pb(ZrO3)-doped zirconia: synthesis and characterization

Eldoma,

Zouli,

Elawadi

et al. 2024

J Mater Sci

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PbF2 as a key modulator of gamma radiation shielding in PbO–PbF2–B2O3–SiO2 glass systems

Sayyed

2023

Opt Quant Electron

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BaO–reinforced SiO2–Na2O–Ca(O/F2)–Al2O3 glasses for radiation safety: On the physical, optical, structural and radiation shielding properties

Cited by 29 publications

References 46 publications

Structural Interaction between BaO and Al₂O₃ in Aluminosilicate Slags

Structural Interaction between BaO and Al₂O₃ in Aluminosilicate Slags

Utilizing a one-step hydrothermal method for fabrication and evaluation of radiation shielding characteristics in Pb(ZrO3)-doped zirconia: synthesis and characterization

PbF2 as a key modulator of gamma radiation shielding in PbO–PbF2–B2O3–SiO2 glass systems

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BaO–reinforced SiO2–Na2O–Ca(O/F2)–Al2O3 glasses for radiation safety: On the physical, optical, structural and radiation shielding properties

Cited by 29 publications

References 46 publications

Structural Interaction between BaO and Al2O3 in Aluminosilicate Slags

Structural Interaction between BaO and Al2O3 in Aluminosilicate Slags

Utilizing a one-step hydrothermal method for fabrication and evaluation of radiation shielding characteristics in Pb(ZrO3)-doped zirconia: synthesis and characterization

PbF2 as a key modulator of gamma radiation shielding in PbO–PbF2–B2O3–SiO2 glass systems

Contact Info

Product

Resources

About

Structural Interaction between BaO and Al₂O₃ in Aluminosilicate Slags

Structural Interaction between BaO and Al₂O₃ in Aluminosilicate Slags