Journal of the Ceramic Society of Japan
Online ISSN : 1348-6535
Print ISSN : 1882-0743
ISSN-L : 1348-6535
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Crystallization of glass with Y2Si2O7-mullite eutectic composition
Shunkichi UENOYohei SUZUKIYuki FURUKAWATomoe TADANaoto KANNOByung-Koog JANG
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2016 年 124 巻 8 号 p. 796-799

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In this paper, the crystallization of the glass with Y2Si2O7-mullite eutectic composition was examined. A dendrite Y2Si2O7 crystalline grows from the surface of the glass bulk at 1302 K. A competitive growth of Y2Si2O7 phase and mullite phase occurs at 1430 K. The activation energy for the competitive growth can be estimated to 329 kJ/mol. The activation energy for the crystallization of hypoeutectic and hypereutectic composition increases with increasing the amount of the primary phase.

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© 2016 The Ceramic Society of Japan
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