Wettability of the superionic conductor Na β-alumina by several metallic melts

N. Froumin, M. Eisenstein, M. Polak

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

The effect of oxide phase modification of (Na beta-alumina vs alpha alumina) on the wettability by pure metals (Cu, In and Ga) are examined experimentally and are analyzed by a simple thermodynamic model. The high contact angles of liquid Cu, In and Ga measured for cleaved Na beta-alumina are still consistently smaller than for alpha-alumina. The improved wetting of sodium beta-alumina is attributed to a role played by the sodium-oxide exposed planes. Alloying Ga with Mo enhances the wettability of both oxides which is probably related to accumulation of Mo-O species at the melt-oxide interface.

Original languageEnglish
Pages (from-to)1205-1210
Number of pages6
JournalScripta Materialia
Volume41
Issue number11
DOIs
StatePublished - 1 Jan 1999

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