高強度T-TZPの微細構造(<特集>セラミックスの微細構造)
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概要
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TZPs containing from 1.5 to 3.0mol% Y2O3 were prepared by hot-pressing and their microstructure was analyzed by TEM and electron diffraction.Y-TZP containing 3.0mol% Y2O3 showed a microstructure of about 0.5μm grains. Two mol% Y-TZP showed microstructures of grains, plate-shaped crystals and repeated twins, or their mixtures. Y-TZP containing 1.5mol% Y2O3 showed the completely plate-typed structure with many cracks in the radial direction.Twin structure was found on the (100) plane and the orientational relation between tetragonal (t) and monoclinic (m) crystals was determined to be (010)m//(010)t and [001]m//[001]t.
- 社団法人日本セラミックス協会の論文
- 1986-08-01
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