Twin-Related Tetragonal Variants in Yttria Partially Stabilized Zirconia |
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| Authors: | Nobuo,Ishizawa ,Atsushi,Saiki,&# Takeshi,Yagi ,Nobuyasu,Mizutani,&# Masanori,Kato |
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| Affiliation: | Department of Inorganic Materials, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo 152, Japan. |
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| Abstract: | Crystals of yttria partially stabilized zirconia were grown by the arc-image floating-zone technique and studied by transmission electron microscopy. Crystals annealed at 1700°C consist of tetragonal precipitates and a cubic matrix. The platelike domains in a precipitate are twin-related tetragonal variants stacked alternately parallel to the (011) twin plane. The axial relations between the tetragonal precipitate and the cubic matrix are [100]tetragonal|[100]cubic, [011]tetragonal|[011]cubic. |
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