Test Results of the Third Japanese SULTAN Sample

Test Results of the Third Japanese SULTAN Sample

Many full size conductors for the ITER TF coils have been tested at the SULTAN test facility in Switzerland for conductor qualification. JAEA tested two samples and two kinds of Nb 3 Sn strands were evaluated through the tests. Now another sample named JATF3 has been tested, which uses two other kin...

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Veröffentlicht in:IEEE transactions on applied superconductivity 2009-06, Vol.19 (3), p.1470-1473
Hauptverfasser: Matsui, K., Isono, T., Nunoya, Y., Hemmi, T., Okui, Y., Oshikiri, M., Koizumi, N., Takahashi, Y., Okuno, K., Stepanov, B., Bruzzone, P.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
CICC
Coils
Computed tomography
Conductors
Critical current density
Destructive testing
Electric connection. Cables. Wiring
Electrical engineering. Electrical power engineering
Electromagnets
Exact sciences and technology
Inspection
ITER
Nb3Sn
Niobium
Qualifications
Strands
SULTAN
Superconductivity
Test facilities
Testing
Testing. Reliability. Quality control
Tin
Various equipment and components
X-rays
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Beschreibung
Zusammenfassung:Many full size conductors for the ITER TF coils have been tested at the SULTAN test facility in Switzerland for conductor qualification. JAEA tested two samples and two kinds of Nb 3 Sn strands were evaluated through the tests. Now another sample named JATF3 has been tested, which uses two other kinds of Nb 3 Sn strands. The strands satisfy the critical current density J c requirement, but results of the conductor test were lower than our expectation. After the test, JAEA has been investigating the reason by X-ray CT scan and destructive inspection, and has found a possible reason.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2009.2017696