Stability of the β″‐Alumina Phase in the System Na‐Al‐Fe‐O

J. P. ROLAND*, Tseung-Yuen Tseng, R. W. VEST

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


X‐ray diffraction measurements were used to determine the equilibrium phases for Na2O·y(Al1xFex)2O3_m in air for values of x from 0.05 to 0.6 and values of y from 2.5 to 9. The β“ ‐alumina structure was the only single phase observed. At 1400°C, the β” single‐phase region extends for 3.5< y< 7.5 and 0.2< x< 0.55. Precision lattice parameters were determined as functions of x and y.

Original languageEnglish
Pages (from-to)567-570
Number of pages4
JournalJournal of the American Ceramic Society
Issue number11-12
StatePublished - 1 Jan 1979


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