Author:
Ando Teiichi,Shiohara Yuh,Flemings M.C.
Abstract
ABSTRACTTEM observation of the morphology of alumina dendrites in a rapidly solidified Al203-25w/oZrO22 oxide alloy revealed three distinct dendrite morphologies corresponding to α-, γ- and δ- aluminas. STEM analysis showed the center of the α and γ dendrites to be solute poor, but the δ dendrite center to be solute rich, indicating possible solute trapping. Theoretical calculations show interface growth velocities in excess of 3m/sec.
Publisher
Springer Science and Business Media LLC
Cited by
1 articles.
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