低温工学
Online ISSN : 1880-0408
Print ISSN : 0389-2441
ISSN-L : 0389-2441
研究論文
RE 系超電導線材の特性評価
―機械特性・剥離特性・磁場中臨界電流特性―
藤田 真司大保 雅載竹内 友章中村 直識鈴木 龍次飯島 康裕伊藤 雅彦齊藤 隆
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2013 年 48 巻 4 号 p. 172-177

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REBCO-coated conductors are expected to show high performance in superconducting applications because of their high mechanical strength and high current density in magnetic fields.We have developed an ion-beam-assisted-deposition (IBAD) and a pulsed-laser-deposition (PLD) technique to produce coated conductors with high performance. We have also produced some REBCO coil experimentally which includes a large-bore cryocooled 5 T magnet. It is important for coil applications to research various properties of coated conductors. In this report, we introduce some evaluation data that we have tested for our coated conductors. All samples for evaluation are based on long-length coated conductors. We carried out bending tests and axial tensile tests to evaluate mechanical properties, and stud-pull tests to evaluate delamination properties. Magnetic field, field angle and temperature dependence of critical current is measured for some coated conductors using a four-probe transport method. In addition, we evaluated longitudinal in-field critical current properties.

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© 2013 公益社団法人 低温工学・超電導学会 (旧 社団法人 低温工学協会)
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