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Friction coefficient of the ceramic YBa2Cu3O7−<i>δ</i> in the superconducting state

B. I. VerkinPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovL. S. PalatnikPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, KharkovElena A. OstrovskayaPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Kharkov

Soviet Journal of Low Temperature Physicsjournal1988en

ABI

Annotatsiya

The friction coefficients of the high-temperature superconducting ceramic YBa2Cu3O7−δ are studied in the interval of normal loads from 2.5 to 25 N at temperatures between 77 and 293 K. A comparison is made with the friction coefficients of ordinary superconductors and antifriction materials. It is found that in the superconducting state, the HTS of the ceramic YBa2Cu3O7−δ is characterized by a very low friction coefficient (f = 0.02).

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Mavzular

Physics of Superconductivity and Magnetism Superconducting Materials and Applications Superconductivity in MgB2 and Alloys

Identifikatorlar

DOI: 10.1063/10.0031947

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