Progress in the development of Nb3Sn conductors based on the "Powder in tube" method with finer filaments

Lindenhovius, J.H. and Hornsveld, E.M. and Ouden den, A. and Wessel, W.A.J. and Kate ten, H.H.J. (1999) Progress in the development of Nb3Sn conductors based on the "Powder in tube" method with finer filaments. IEEE Transactions on Applied Superconductivity, 9 (2, Par). pp. 1451-1454. ISSN 1051-8223

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Abstract:	Inspired by the successful operation of the 11 T Nb3Sn experimental dipole magnet MSUT, a new large bore 10 T@4.5 K Nb3 Sn model dipole magnet is under development in The Netherlands. For application in this system, Shape Metal Innovation (SMI) has developed a new "Powder in tube" type of Nb3Sn conductor with an increased number of filaments. At a strand diameter of 0.9 mm, the diameter of the filaments after reaction for only 33 hours at 675Â°C has been reduced to about 20 microns. The non-copper critical current density has been measured to be as high as 1890 A/mm 2 at 10 T@4.25 K.
Item Type:	Article
Copyright:	© 1999 IEEE
Faculty:	Science and Technology (TNW)
Research Group:	Energy, Materials and Systems (EMS)
Link to this item:	http://purl.utwente.nl/publications/59839
Official URL:	http://dx.doi.org/10.1109/77.784664
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Metis ID: 128828