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The γ→α Phase Transformation in Al2O3

Published online by Cambridge University Press:  21 February 2011

D. S. Tucker and
J. J. Hren
D. S. Tucker
Affiliation:
Atlantic Richfield, Materials Development Lab, 27017 Prairie Street, Chatsworth, CA 91311
J. J. Hren
Affiliation:
Department of Materials Science and Engineering, University of Florida, Gainesville, FL 32611
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Extract

The primary objective of this research was to deduce the mechanisms of the γ to α transformation of Al2O3. The specimens studied were from spherical powder precipitated from sulfate solutions and thin films prepared by low temperature oxidation of Al. The primary experimental technique employed was the transmission electron microscope. Since alumina is so important commercially, there is a body of literature on both the mechanism and kinetics of the transformation. A brief review of the most relevant publications is thus essential.

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Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 31: Symposium N – Electron Microscopy of Materials , 1983, 337
Copyright
Copyright © Materials Research Society 2006

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References

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