The Effect of Glass Composition Containing RE Oxide Waste Glass on Liquidus Temperature

Research output: Contribution to journalArticle

Abstract

The liquidus temperature (T L) of rare earth (RE) was determined for alumino-borosilicate glasses for treating americium and curium that have been studied previously. Their work covers a wide range of glass composition with various crystalline phases as primary phase. Present work is aimed at understanding the effect of glass composition on T L for waste glasses designed for vitrifying RE oxides wastes. In a sufficiently narrow composition region, this effect can be represented by a first-order model fitted measured T L versus composition data. Test glasses were formulated by varying of component fractions one-at-a-time. The glasses contained SiO2, B2O3, and Al2O3 as glass formers and Nd2O3 with CeO2 as simulated RE waste. Twenty glasses were made to investigate crystallization as a function of temperature and glass composition. The primary crystalline phase was Ce-borosilicate (Ce3BSi2O10), secondary phases were Al-containing crystals (Al2O3 and Al10Si2O19), and crystalline CeO2. A first-order model was fitted to crystal fraction versus glass composition data. Generally, SiO2 and B2O3 tend to suppress crystallization, Al2O3 has little effect, and, as expected, RE components (Nd2O3 and CeO2) promote it. The correlation coefficient, R 2, was 0.89 for the primary crystalline phase T L as a linear function of composition.

Original languageEnglish
Pages (from-to)4221-4225
Number of pages5
JournalMRS Advances
Volume1
Issue number63-64
DOIs
Publication statusPublished - 1 Jan 2016

Fingerprint

liquidus
Oxides
Rare earths
rare earth elements
Glass
oxides
glass
Chemical analysis
Temperature
Crystalline materials
temperature
Crystallization
Curium
Americium
curium
crystallization
americium
Crystals
Borosilicate glass
borosilicate glass

Keywords

  • lanthanide
  • oxide
  • waste magagement

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

The Effect of Glass Composition Containing RE Oxide Waste Glass on Liquidus Temperature. / Mohd Fadzil, Syazwani; Hrma, P.

In: MRS Advances, Vol. 1, No. 63-64, 01.01.2016, p. 4221-4225.

Research output: Contribution to journalArticle

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