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Synthesis of yttrium aluminum garnet by reverse strike precipitation

Published online by Cambridge University Press:  31 January 2011

Prasad Apte ,
Harry Burke  and
Helen Pickup
Prasad Apte*
Affiliation:
Alcan International Ltd., Kingston Research & Development Centre, 945 Princess Street, Kingston, Ontario, Canada K7L 5L9
Harry Burke
Affiliation:
Alcan International Ltd., Kingston Research & Development Centre, 945 Princess Street, Kingston, Ontario, Canada K7L 5L9
Helen Pickup
Affiliation:
Alcan International Ltd., Kingston Research & Development Centre, 945 Princess Street, Kingston, Ontario, Canada K7L 5L9
*
a)Now with Sherritt Technologies, Sherritt Gordon Limited, Fort Saskatchewan, Alberta, Canada T8L 3W4.
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Abstract

Yttrium aluminum garnet (YAG) powders were synthesized by normal and reverse strike precipitation from a mixed solution containing aluminum and yttrium nitrates. The precipitates were characterized by FTIR, DTA, and TGA techniques. The amorphous precipitates were crystallized under various atmospheres (air, argon, hydrogen) at different temperatures and the product analyzed by x-ray diffraction. Only reverse strike precipitation followed by crystallization in hydrogen consistently yielded phase pure YAG.

Type
Articles
Information
Journal of Materials Research , Volume 7 , Issue 3 , March 1992 , pp. 706 - 711
Copyright
Copyright © Materials Research Society 1992

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