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The effect of yttrium on densification and grain growth in α-alumina

✍ Scribed by R. Voytovych; I. MacLaren; M.A. Gülgün; R.M. Cannon; M. Rühle

Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
386 KB
Volume
50
Category
Article
ISSN
1359-6454

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## The influence of yttrium on the microstructure and toughness of a-alumina is studied as a function of oxygen partial pressure and chemical state of the doping element. For doping amounts higher than 0.03 mol% of Y,O,, Y,AI,O,, garnet precipitates and the alumina grain size is then limited by such