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The Effect of Yttrium on Oxygen Grain-Boundary Transport in Polycrystalline Alumina Measured Using Ni Marker Particles

โœ Scribed by Huikai Cheng; Shen J. Dillon; Hugo S. Caram; Jeffrey M. Rickman; Helen M. Chan; Martin P. Harmer

Book ID
109261918
Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
665 KB
Volume
91
Category
Article
ISSN
0002-7820

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Oxygen grain-boundary transport in polyc
Oxygen grain-boundary transport in polycrystalline alumina using wedge-geometry bilayer samples: Effect of Y-doping
โœ H. Cheng; H.S. Caram; W.E. Schiesser; J.M. Rickman; H.M. Chan; M.P. Harmer ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 979 KB

Novel wedge-geometry, dual-layer alumina samples, both undoped and 500 ppm Y 3+ -doped, were studied in the temperature regime 1250-1400 ยฐC to determine the effect of Y 3+ on oxygen grain-boundary transport in alumina. The samples consisted of a wedge-shaped, single-phase alumina top layer, diffusio