A.c. stability and a.c. loss in composite superconductors
β Scribed by L.J.M. van de Klundert
- Book ID
- 107746257
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 537 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0011-2275
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π SIMILAR VOLUMES
A melhod is described Io measure Ihe a.c. losses ol superl;onducling samples. The lechnique is s~milar Io a Ihermal conduclivfly measuremenl. The sample ~s placed in a vacuum vessel and coupled k') Ihe helium balh by a Ihermal res,slance. The slalionary lemperalure increase ol Ihe sample in an a.c.
A comparison of the a.c. energy losses of Nb-Ti composite superconductors at various time intervals over several years is carried out. The observed decrease of eddy current losses by a factor of 1.4-3.4 is probably associated with increasing effective transverse resistivity of the matrix due to diff