Subliquidus Immiscibility in Binary Alkali Borates

R. R. SHAW, Donald R Uhlmann

Research output: Contribution to journalArticlepeer-review

94 Scopus citations


The phase boundaries of subliquidus immiscibility in the lithium, sodium, potassium, rubidium, and cesium borate systems were determined. Two‐phase structures were developed in thermal gradients and examined by direct‐transmission electron microscopy. No opalescence was observed. Microstructures were of the order of a few hundred angstroms. The extent of immiscibility in each system was determined by the approximate intersection of the immiscible phase boundary with the glass transition region.

Original languageEnglish (US)
Pages (from-to)377-382
Number of pages6
JournalJournal of the American Ceramic Society
Issue number7
StatePublished - Jul 1968

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry


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