Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Cubic $ZrO_2$ Single Crystals Growth by Skull Method : Effect of Melt Homogenization in Crystallization

스컬(Skull)법에 의한 큐빅 $ZrO_2$단결정 성장 : 융액의 균질화가 결정성장에 미치는 영향

  • 정대식 (한양대학교 무기재료공학과) ;
  • 오근호 (한양대학교 무기재료공학과)
  • Published : 1990.05.01
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Abstract

In Cubic ZrO2 crystal growth by Skull method, it was examined on effect of homonization on melt as keeping ZrO2(90mol%)-Y2O3(10mol%) melt with 1hr, 2hr, 4hrs, 8hrs, 16hrs, respectively. The optimum homonizing condition in this system was obtained by the examination between quality of grown crystals and soaking time of melt. It was obtained that the lower quality crystal could be produced in the longer holding melt than the optimum soaking time of melt in spite of the supposedly well homonized state, because the melt stability is sensibly dependent on the convective state of melt in skull method (cold crucible process).

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References

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