대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)

대한전기학회 (The Korean Institute of Electrical Engineers)
권호 표지

은 합금 시스 Bi-2223 고온초전도 테이프의 임계전류밀도 향상

Improvement of Jc for Ag alloy Sheathed Bi-2223 HTSC Tape

  • Jang, H.M. (Gyeongsang National Univ. Dep. of Electrical Engineering) ;
  • Oh, S.S. (KERI, Applied Supercond. Lab) ;
  • Ha, D.W. (KERI, Applied Supercond. Lab) ;
  • Ryu, K.S. (KERI, Applied Supercond. Lab) ;
  • Kim, S.H. (Gyeongsang National Univ. Dep. of Electrical Engineering)
  • 발행 : 1996.07.22
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초록

The effect of Ag alloy sheath have been investigated in terns of critical current density and mechanical property. Nevertheless the continuous improvement of critical current density($J_c$) of Ag sheathed Bi2223 oxide superconducting wire processed with powder in tube(PIT) method, poor mechanical strength is still considered to be demerits for power application. In this study, we prepared two kinds of Ag- x wt% Cu alloy and pure Ag sheathed Bi2223 superconducting tapes. The hardness and tensile strength of prepared tapes has been measured. Their mechanical propertes were improved by Ag alloying.

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