Critical properties of multifilamentary Nb&amp;lt;inf&amp;gt;3&amp;lt;/inf&amp;gt;Sn between 8 and 14 tesla

Sanger, P.; Adam, E.; Ioriatti, E.; Richards, Stanley

doi:10.1109/tmag.1981.1060992

Cited by 14 publications

(2 citation statements)

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“…The niobium-tin-tape data were taken by Aron end Ahlgren in 1967. 6 The multifilamentary-niobium-tin data were taken by S. R. Spencer et al 3 in 1979 and P. A. Sanger et al 64 in 1981 . difference., besides being made almost two years later, was that the second sample was optimized for high-field operation.…”

Section: Niobium Tin Datamentioning

confidence: 99%

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Generation of the J/sub c/, H/sub c/, T/sub c/ surface for commercial superconductor using reduced-state parameters

Green¹

1988

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This report presents a method for calculating the 3 , H , T surface for Type II superconductors. The method requires that one knows T at zero current and field, H " at zero current and temperature, and J at at least one temperature and field. The theory presented in this report agrees with measured data quite well over virtually the entire J , H , T surface given the value of J versus H at one or two temperatures. This report presents calculated and measured values of 0 versus T and B for niobium titanium, niobium zirconium, niobium tin, niobium titanium tin, niobium tantalum tin, vanadium zirconium hafnium, and vanadium gallium. Good agreement of theory with measured data was obtained for commercial niobium titanium and niobium tin. TABLE OF CONTENTS BACKGROUND 1 THE REDUCED-CRITICAL-STATE METHOD 2 Reduced Critical Temperature Versus Reduced Critical Field 3 Reduced He£ Versus Reduced T c for Various Commercial Superconductors, Fig. 1 5 Selection of T c (0) and B c2 (0) 8 The J c , B, T Surface 14 THE TEMPERATURE DEPENDENCE OF H cl , COHERENCE DISTANCE AND PENETRATION DEPTH 15 CRITICAL CURRENT DENSITY AS A FUNCTION OF TEMPERATURE AND MAGNETIC INDUCTION FOR NIOBIUM TITANIUM 17 The J c Versus B at 4.2 K 18 J c Versus B for a Modern Niobium Titanium Conductor, Fig. 4 21 Reduced J c Versus B for Various Samples of Niobium Titanium, Fig. 5 Calculation of J c for Other Values of Temperature Low-Field Temperature Dependence The Paraboloid Temperature Fit at Temperatures Below 3.5 K J c Versus B and T for a Niobium 44.0 w% Titanium Conductor, Fig. 10 34 J c Versus B and T for a Niobium 46.5 w% Titanium Conductor, Fig. 11 J c Versus B and T for a Niobium 52.7 w% Titanium Conductor, Fig. 13

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Section: Niobium Tin Datamentioning

confidence: 99%

“…difference., besides being made almost two years later, was that the second sample was optimized for high-field operation. The second AIRCO sample 64 also has 2865 filaments about 4 jim in diameter. The ratio of normal metal to superconductor ratio is also 9.3, and two-thirds of the normal metal is copper.…”

Section: Niobium Tin Datamentioning

confidence: 99%