HTS Detector Magnet Demonstrator Based on a 3D-Printed Partially-Insulated Support Cylinder

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY(2024)

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摘要
In this work, we extend the experimental demonstration of partially-insulated, ultra-radiation transparent detector magnet technology based on a 3D-printed aluminium alloy support structure containing 10% of silicon. This demonstrator magnet has a bore diameter of 390 mm, effective wall thickness of 3.7 mm, and it has 15 turns corresponding to 19 meters of HTS conductor. The HTS conductor of the magnet consists of a stack of four ReBCO tapes with a width of 4 mm. We measured the magnet to be fully superconducting at 4.2 K with an operating current of 4.5 kA. A time constant of the magnetic field delay to a current step measured was 83 s. This detector magnet technology may be used in future particle detector magnets, such as the AMS-100 solenoid, where one of the key design requirement is a passive self-protection by partial-insulation which ensures continuous operation and stable magnetic field even with a locally damaged conductor.
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关键词
Al10SiMg,aluminium-stabilized,detector magnet,HTS magnet,HTS,partial insulation,ReBCO,radiation transparent,self-protected,ultra-thin,3D-printing
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