한국세라믹학회지 (Journal of the Korean Ceramic Society)

  • 제28권9호
  • /
  • Pages.683-688
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  • 1991
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  • 1229-7801(pISSN)
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  • 2234-0491(eISSN)
한국세라믹학회 (The Korean Ceramic Society)
권호 표지

ZnO-P$_2$O$_5$ 계 유리의 결정화 기구에 관한 연구

Crystallization Mechanism in ZnO-P2O5 System Glass

  • 발행 : 1991.09.01
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초록

ZnO-P2O5 system glass containing 45 to 60 mol% ZnO has been melted at 120$0^{\circ}C$ and crystallized through heat treatment. Each condition of crystallization was determined by measurement of dilatometric softening point and DTA. The principal crystalline phase was identified as zinc metaphosphate [Zn(PO3)2] in the glasses containing 45~55 mol% ZnO and zinc pyrophosphate (Zn2P2O7) in the sample of 60 mol% ZnO with X-ray diffraction patterns. The crystalline mechanism was investigated by XRD and SEM. As the results, the specimens containing 50~60% ZnO showed the existence of oriented structure due to one-dimensional crystal growth.

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참고문헌

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