Densities of SiO2‐Al2O3 Melts

Ilhan A. Aksay, JOSEPH A. PASK, ROBERT F. DAVIS

Research output: Contribution to journalArticle

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Abstract

The densities of binary aluminosilicate melts were measured X‐radiographically as a function of Al2O3, concentration between 1800° and 2000°C. Within this temperature range, the density curves vary linearly and are parallel from fused SiO2 to ≊30 to 45 mol% Al2O3, depending on the temperature. At higher Al2O3 contents, negative deviation from linearity increases with increasing temperature. Recent supplementary research efforts on various aspects of the system SiO2‐Al2O3 indicate that the changing coordination and structural role of the aluminum ion may be a primary factor in determining the shapes of the density curves.

Original languageEnglish (US)
Pages (from-to)332-336
Number of pages5
JournalJournal of the American Ceramic Society
Volume62
Issue number7-8
DOIs
StatePublished - Jan 1 1979

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

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    Aksay, I. A., PASK, JOSEPH. A., & DAVIS, ROBERT. F. (1979). Densities of SiO2‐Al2O3 Melts. Journal of the American Ceramic Society, 62(7-8), 332-336. https://doi.org/10.1111/j.1151-2916.1979.tb19071.x