Cubic‐to‐Tetragonal (t') Transformation in Zirconia‐Containing Systems
作者： Tzer-Shin Sheu , Tseng-Ying Tien , I-Wei Chen
DOI: 10.1111/J.1151-2916.1992.TB05546.X
关键词:
摘要: The coexistence of the cubic fluorite and tetragonal phases in rapidly quenched samples was studied iin Zr02-M01.5 systems for M = Sc, In, Y, rare earths (R). Spontaneous transformation from metastable phase triggered at room temperature by a mechanical force. Isolated platelets matrix were bounided (101) habit planes contained anti-phase boundaries. tetragonality decreased with stabilizer content vanished around 18 mom Y R, 23 mol% 25 all temperature. With increasing temperature, initially increased because anisotropic thermal expansion, then rapidly, after reaching maximum, as
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