HTS conductor characterization at 27 K


Trociewitz, U.P. and Eck, H.J.N. van and Laan, D.C. van der and Thompson, S.H. and Mbaruku, A. and Weijers, H. and Schwartz, J. (2002) HTS conductor characterization at 27 K. Physica C: Superconductivity, 373-37 (Part 2). pp. 974-976. ISSN 0921-4534

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Abstract:A Ne-liquefaction system and cryostat has been developed and built to characterize the electrical and mechanical properties of HTS conductors at elevated temperatures. The device makes use of a coil type condenser inside the experiment dewar, which is fed by LHe. Ne-gas entering the dewar at room temperature, liquefies on the coil windings and drips to the bottom of the dewar, where the experiment is located. He-gas and Ne-gas are recovered. Approximately 1.5 l of LNe was condensed into the dewar in about 1 h after precooling of the dewar. The device has been used successfully to measure zero-field and in-field transport properties of Bi-2223 and YBCO high-temperature superconductors at 27 K.
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Copyright:© 2002 Elsevier
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Metis ID: 206807