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New method for fabrication of superconducting pipes in the Bi-Sr-Ca-Cu-O system

Published online by Cambridge University Press:  18 February 2016

Yoshihiro Abe ,
Hideo Hosono ,
Won-Hyuk Lee ,
Masahiro Hosoe ,
Koichi Nakamura  and
Eikichi Inukai
Yoshihiro Abe
Affiliation:
Department of Materials Science and Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466, Japan
Hideo Hosono
Affiliation:
Department of Materials Science and Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466, Japan
Won-Hyuk Lee
Affiliation:
Department of Materials Science and Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466, Japan
Masahiro Hosoe
Affiliation:
Department of Materials Science and Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466, Japan
Koichi Nakamura
Affiliation:
Department of Electrical and Computer Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466, Japan
Eikichi Inukai
Affiliation:
Chubu Electric Power Co. Inc., Midori-ku, Nagoya 459, Japan
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Extract

Pipes or hollow cylinders in the Bi-Sr-Ca-Cu-O system were found to be fabricated easily by inspiring or sucking the low viscosity melt into a cold silica glass tube. The outer part of the cast rod-like melt solidified, and the inner hot low-viscosity part of the rod melt was expired. The precursor pipes were reheated at 800 °C for 50 h in air, resulting in the formation of superconducting (Tc = 87 K) pipes which were of smooth surface without machining and high bending strength (100–150 MPa).

Type
Research Article
Information
Journal of Materials Research , Volume 8 , Issue 1 , January 1993 , pp. 1 - 4
Copyright
Copyright © Materials Research Society 1993

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References

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