The comparison of current densities of the NbTi/Cu multifilament wires with MgB2/Fe monofilament ones

• Autorzy: Gajda D. , Morawski A. , Presz A. , Zaleski A. , Kario A.

Warianty tytułu

PL

Porównanie gęstości prądu wielowłóknowego drutu NbTi/Cu i jednowłóknowego drutu MgB2/Fe

• Języki publikacji: EN

Abstrakty

EN

In this paper we compare the critical current density Jc of the wires of NbTi/Cu and MgB2/Fe at temperature of 4,2 K. We describe advantages and disadvantages of the examined superconducting wires.

PL

W artykule przedstawiono porównanie krytycznej gęstości prądów w stałym polu magnetycznym w temperaturze 4,2 K drutów wykonanych z NbTi/Cu z drutami wykonanymi z MgB2/Fe. Opisano także zalety i wady drutów MgB2 i NbTi.

Słowa kluczowe

EN

NbTi; MgB2; critical current

PL

Nb-Ti; MgB2; prąd krytyczny

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2009
• Tom: R. 85, nr 5
• Strony: 204--207
• Opis fizyczny: Bibliogr. 14 poz., rys., wykr.

Twórcy

autor

Gajda D.

autor

Morawski A.

autor

Presz A.

autor

Zaleski A.

autor

Kario A.

• International Laboratory of High Magnetic Fields and Low Temperature, Gajowicka 95, 53-421 Wrocław, Poland,

Bibliografia

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• [2] Fujii H., Togano K. and Ozawa K., Effects of both addition and chemical treatment of SiC nanoparticles on the grain coupling and critical current density in ex situ processed MgB2 tapes, Supercond. Sci. Technol. 21 (2008) 015002 (7pp)
• [3] Gao Z., Ma Y., Zhang X., Wang D., Yang H., Wen H. and Watanabe K., Influence of sintering temperature on the superconducting properties of Zn-stearate-doped MgB2 tapes, Supercond. Sci. Technol. 21 (2008) 015016 (4pp)
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• [8] Putti M., Vaglio R. and Rowell J.M., Radiation effects on MgB2: a review and a comparison with A15 superconductors, Supercond. Sci. Technol. 21 (2008) 043001 (25pp)
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• [10] Senkowicz B.J., Mungall R.J., Zhu Y., Jiang J., Voyles P.M., Nanoscale grains, high irreversibility field and large critical current density as a function of high-energy ball milling time in C-doped magnesium diboride, Supercond. Sci. Technol. 21 (2008) 035009 (10pp)
• [11] Stenvall A., Korpela A., Lehtonen J, Mikkonen R., Two ways to model voltage–current curves of adiabatic MgB2 wires, Supercond. Sci. Technol. 20 (2007) 859–864
• [12] Stenvall A., Hiltunen I., Jarvel¨a J., Korpela A., Lehtonen J. and Mikkonen R., The effect of sample holder and current ramp rate on a conduction-cooled V –I measurement of MgB2, Supercond. Sci. Technol. 21 (2008) 065012 (6pp)
• [13] Wang D., Ma Y., Yu Z., Gao Z., Hang X., Watanabe K., Mossang E, Strong influence of precursor powder on the critical current density of Fe – sheathed MgB2 tape, Supercond. Sci. Technol. 20 (2007), 574 - 578 s
• [14] Zhang X., Wang D., Gao Z., Wang L., Ma Y., Qi Z. and Watanabe K., The doping effect of activated carbon on the superconducting properties of MgB2 tapes, Supercond. Sci. Technol. 21 (2008) 075008 (5pp)