| 简介 |
FIELD : applied superconductivity.
SUBSTANCE : proposed composite superconductor that can be used to manufacture superconductors for superconducting windings suffering heavy mechanical loads (at operating pressure across conductor higher than 100 MPa) as well as for superconducting windings and devices operating under variable conditions, such as superconducting inductive energy storage devices, dipole and quadrupole magnets for charged particle accelerators, has superconducting material fibers, matrix of high-conductivity metal, such as copper and rare-earth intermetallide possessing high thermal capacity at low temperatures. Composite superconductor is provided with metal sheath accommodating rare-earth intermetallide; mentioned wires and conductor are welded together. Metal sheath can be made in the form of hollow cylindrical conductor or flat strip with hollow interlayer, their hollow spaces being designed to dispose rare-earth intermetallide. Composite superconductor is made in the form of a few multiple-fiber composite superconducting wires twisted around hollow cylindrical conductor accommodating rare-earth intermetallide. Composite superconductor can be made in the form of flattened single-lay strand of several multiple-fiber composite superconducting wires and several hollow cylindrical conductors of same diameter accommodating intermetallide which alternately vary within strand. Rectangular-section conductor is made of high-conductivity metal and has longitudinal groove.
EFFECT : enlarged functional capabilities.
7 cl, 8 dwg |
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