Effect of heat treatment temperature on superconducting performance of B4C added MgB2/Nb conductors

A previously observed enhancing effect of addition of 10 wt.% of B4C on critical current density (Jc) dependence on magnetic flux density (B) in MgB2 superconductors is examined here in more detail. Nb sheathed in situ MgB2 monofilamentary Powder-in-Tube (PIT) samples are prepared with the 10 wt.% a...

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Veröffentlicht in:	Physica. C, Superconductivity Superconductivity, 2012-02, Vol.473, p.34-40
Hauptverfasser:	VILJAMAA, J, KARIO, A, DOBROCKA, E, REISSNER, M, KULICH, M, KOVAC, P, HÄSSLER, W
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Borides Condensed matter: electronic structure, electrical, magnetic, and optical properties Critical currents Density Electrical engineering. Electrical power engineering Exact sciences and technology Heat treatment Magnesium Magnesium compounds Materials Niobium Physics Pinning Properties of type I and type II superconductors Sheaths Superconductivity Vortex lattices ,flux pinning, flux creep
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