Corrosion of alumina by potassium vapor

J.A.M. Hoek, van, F.J.J. Loo, van, R. Metselaar

Research output: Contribution to journalArticleAcademicpeer-review

4 Citations (Scopus)
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Abstract

The resistance of sapphire and sintered Al2O3 to corrosion by K vapor was examd. at 1173 and 1373 K. As predicted from thermodn. calcns., Al2O3 is not stable under exptl. conditions. The K-b-alumina that formed had a preferential orientation with the c axis parallel to the surface. No protective layer against further corrosion was formed. CaO as a dopant had no effect on the corrosion reaction. [on SciFinder (R)]
Original languageEnglish
Pages (from-to)109-111
Number of pages3
JournalJournal of the American Ceramic Society
Volume75
Issue number1
DOIs
Publication statusPublished - 1992

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