Factors Affecting the Formation of Ba2Ti9O20
作者： JENN-MING WU , HONG-WEN WANG
DOI: 10.1111/J.1151-2916.1988.TB07538.X
关键词:
摘要: The phase development sequence based on a composition equivalent to Ba2Ti9O20 during heating is found be in the following order: BaTi5O11 > BaTi4O9 Ba2Ti9O20. lowest rate of formation caused by its high surface energy and interface energy, which result low nucleation rate. existence calcined powder helps form sintered compacts. effect can explained their similar oxygen packing reduced volume change transformation. amount formed depends greatly compositional homogeneity powders. addition SnO2 aids strain at transformation energy.
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