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Rapid Solidification of An Al2O3-25WT.PCT.ZrO2 Oxide Alloy
Published online by Cambridge University Press: 25 February 2011
Abstract
TEM 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.
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- Copyright © Materials Research Society 1986
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