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1 Feb 1979

Volume 34, Issue 3, pp. 179-243

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Mechanical properties of in situ multifilamentary Nb3Sn superconducting wires

S. Foner, R. Roberge, E. J. McNiff, B. B. Schwartz, and J. L. Fihey

Appl. Phys. Lett. 34, 241 (1979); http://dx.doi.org/10.1063/1.90752 (3 pages) | Cited 13 times

Online Publication Date: 7 August 2008

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The mechanical properties of in situ Cu–36 wt% Nb–x wt% Sn superconducting wires are presented where 5<x<20 wt% Sn. For high x, no degradation of critical current Jc is observed for stresses σ up to 700 MPa (∼100 ksi) and a maximum Jc occurs at σ≃450 MPa. Strains of ∼0.6–0.9% are measured at 300 and 77 K for 450 MPa, and ∼1.5–2% for 700 MPa. Cyclic stress data are consistent with a prestress model for composite materials.
Show PACS
74.70.-b Superconducting materials other than cuprates
74.25.Sv Critical currents
74.62.Bf Effects of material synthesis, crystal structure, and chemical composition
62.20.-x Mechanical properties of solids
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