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首页> 外文期刊>Physica, C. Superconductivity and its applications >Status of a cryocooler-cooled HTS magnet with Ag-sheathed Bi2223 tapes for Si single crystal growth applications
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Status of a cryocooler-cooled HTS magnet with Ag-sheathed Bi2223 tapes for Si single crystal growth applications

机译：用于Si单晶生长应用的带Ag护套的Bi2223带的低温冷却器高温超导磁体的现状

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A project to develop a high-temperature superconducting split magnet for Si single crystal growth applications has progressed. This split coil system is composed of two coils, each consisting of 18 pancakes, and the total length of Bi2223 tapes is approximately 80 km. In last fiscal year ending 31 March, 2000, testing and evaluation of an experimental magnet, incorporating two or four pancake coils of the same size as those of the target magnet, has been accomplished. In these tests, we have demonstrated 290 A operation with generating a magnetic field of 0.41 T and accumulated energy as high as 50 kJ. No critical current degradation of these coils occurred at the hoop stress of 46 MPa, which would be applied to the target magnet, The final design of the target magnet has been completed and all the pancake coils for the magnet have been fabricated. The electric performance of each coil was tested in liquid nitrogen and each coil will be placed at the most suitable position in the magnet according to these results. This target magnet will be tested in December 2000. (C) 2001 Published by Elsevier Science B.V. [References: 7]
机译：正在进行开发用于硅单晶生长应用的高温超导分裂磁体的项目。此拆分线圈系统由两个线圈组成，每个线圈由18个煎饼组成，Bi2223磁带的总长度约为80公里。在截至2000年3月31日的上一个财政年度中，完成了一个实验磁体的测试和评估，该磁体包含两个或四个与目标磁体尺寸相同的煎饼线圈。在这些测试中，我们证明了290 A的操作产生了0.41 T的磁场，累积的能量高达50 kJ。在施加到目标磁体的环向应力为46 MPa时，这些线圈没有发生临界电流退化。目标磁体的最终设计已完成，并且已制造出用于该磁体的所有煎饼线圈。在液氮中测试了每个线圈的电性能，并根据这些结果将每个线圈放置在磁体中最合适的位置。该目标磁体将于2000年12月进行测试。（C）2001，由Elsevier Science B.V.出版[参考文献：7]

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