Magnetic Hysteresis Losses and Critical Current Densities in Submicron Filament Bronze-Processed Nb3Sn Wires

Sakai, S.; Miyashita, K.; Kamata, Ken; Kobayashi, Masakazu; Tachikawa, K.; Tanaka, Hiroki

doi:10.1007/978-1-4757-9053-5_66

Cited by 3 publications

(1 citation statement)

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“…This is not necessarily the optimum and the effect on the losses has not been explored here, although this has been done for the bronze matrix [9]. It is felt that in the case of internal-tin-processed Nb3Sn, bridging between filaments is the main factor affecting losses and that additions to the matrix will have little effect on this.…”

Section: Conclusion Acknowledgmentmentioning

confidence: 93%

Some effects of matrix additions to internal tin processed multifilamentary Nb/sub 3/Sn superconductors

Pyon

Gregory

1995

IEEE Trans. Appl. Supercond.

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Internal tin processed Nb3 S n multifilamentary wires were fabricated with matrices containing either Ti or Ge. Some effects of these matrix additions on the formation rate of N b 3 S n and on the J E t s obtained, have been determined. The effect of a 0.7 wt.% Ge addition on material with Nb 1 wt.% Ta, Nb 7.5 wt.% Ta and pure Nb filaments has been examined as has that of three different levels of Ti in the Cu matrix with the same filament compositions. The tubular-tin-source (TTS) process was chosen for this work, because this process was believed to be less sensitive to the hardness of the matrix than the tin-core process. In this study, three different reaction heat treatments were carried out to explore the variation of Jc of these materials. A discussion of the results and significant effects of the addition elements is g i v e n .

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Section: Conclusion Acknowledgmentmentioning

confidence: 93%