Articles with "na2o al2o3" as a keyword



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Structural evolution of synthetic alkali-activated CaO-MgO-Na2O-Al2O3-SiO2 materials is influenced by Mg content

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Published in 2017 at "Cement and Concrete Research"

DOI: 10.1016/j.cemconres.2017.05.006

Abstract: Stoichiometrically controlled alkali-activated materials within the system CaO-MgO-Na2O-Al2O3-SiO2 are produced by alkali-activation of high-purity synthetic powders chemically comparable to the glass in ground granulated blast furnace slag, but without additional minor constituents. Mg content controls… read more here.

Keywords: na2o al2o3; mgo na2o; cao mgo; al2o3 sio2 ... See more keywords
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Characterization of a broad range gamma-ray and neutron shielding properties of MgO-Al2O3-SiO2-B2O3 and Na2O-Al2O3-SiO2 glass systems

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Published in 2019 at "Journal of Non-Crystalline Solids"

DOI: 10.1016/j.jnoncrysol.2019.05.012

Abstract: Abstract In this research, the radiation shielding parameters for two glass systems with composition of 20MgO-(20-x)Al2O3-57SiO2-3B2O3-xCr2O3 (x = 0, 0.1, 0.25, 0.5 and 1 mol%) and Na2O-Al2O3 SiO2 glasses were studied. For this purpose, a scintillation detector namely… read more here.

Keywords: glass systems; al2o3 sio2; glass; na2o al2o3 ... See more keywords
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Structural heterogeneity of SiO2–Na2O–Al2O3 glass

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Published in 2017 at "Glass Physics and Chemistry"

DOI: 10.1134/s1087659617020110

Abstract: It is shown that the phase heterogeneity of SiO2–Na2O–Al2O3 glass has a liquation and crystallization nature, the balance between which is determined by the conditions of their synthesis. An increase in the aluminum oxide content… read more here.

Keywords: al2o3 glass; na2o al2o3; heterogeneity sio2; sio2 na2o ... See more keywords
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Subliquidus Phase Relations in the Low-Alumina Section of the Na2O–Al2O3–P2O5 System and the Radioactive Waste Vitrification

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Published in 2018 at "Glass Physics and Chemistry"

DOI: 10.1134/s1087659618060135

Abstract: The formation of crystalline phases during cooling of the Na2O–Al2O3–P2O5 melts obtained in corundum crucibles at a temperature of 1100°С and at atmospheric pressure from a pre-prepared glass with the composition close to that used… read more here.

Keywords: low alumina; radioactive waste; na2o al2o3; al2o3 p2o5 ... See more keywords