Formation of pores in melt-processed RE-Ba-Cu-O and the techniques to reduce pore density

N. Sakai, D. Ishihara, K. Inoue, M. Murakami

研究成果: Article査読

15 被引用数 (Scopus)

抄録

We have studied the formation of pores in melt-processed RE-Ba-Cu-O. The pores were partly formed due to the oxygen bubbles generated during the peritectic decomposition of RE123 via RE123 → RE211 + liquid + O2. When the sample was heated to the temperature high above the peritectic decomposition temperature, a large amount of oxygen gas was generated from the sample. The inert gas entrapment during melting also caused pore formation. The control of the composition, atmosphere and heating conditions was effective in reducing the amount of pores.

本文言語English
ページ(範囲)698-701
ページ数4
ジャーナルSuperconductor Science and Technology
15
5
DOI
出版ステータスPublished - 2002 5 1

ASJC Scopus subject areas

  • セラミックおよび複合材料
  • 凝縮系物理学
  • 金属および合金
  • 電子工学および電気工学
  • 材料化学

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