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用多芯Nb/Cu挤压管法Nb3Sn超导复合线制成13T实用超导磁体

13T SUPERCONDUCTING MAGNET CONSTRUCTED WITH COMPOSITE WIRES BY MF Nb/Cu EXTRUDED TUBE TECHNIQUE

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【作者】 傅耀先孙越彭莹徐诗鸣

【Author】 Fu Yaoxian, Sun Yue, Pen Ying, Xu Shiming(Shanghai Institute of Metallurgy, Acadcmia Sinica)

【机构】 中国科学院上海冶金研究所中国科学院上海冶金研究所

【摘要】 实验证实了用“MF Nb/Cu挤压管法”超导复合线制作13T实用Nb3Sn/Nb-Ti超导磁体的可行性。净孔径为φ40mm的复合磁体,在4.2K,中心场强达到11.0T;净孔径为φ18mm的复合磁体,在4.2K,中心场强达到13.0T,此时内绕组中的Nb3Sn 复合线的全临界电流密度J(cw)=310A/mm2,与短样性能相一致。

【Abstract】 The practicability of constracting 13T Nb3Sn/Nb-Ti hybrid superconducting magnet with composite wires using MF Nb/Cu extruded tube techniqe has been demonstrated.The achieved central fields of the hybrid magnets having clear bore of 40 mm and 18 mm are 11T and 13T at 4.2 K respectively. The overall critical current density (including the copper) Jcw of the Nb3Sn composite wire at the innermost coil of the 13 T magnet is 310 A/mm2, and is identical with short sample perfomance of the same wire.

  • 【文献出处】 低温物理学报 ,Chinese Journal of Low Temperature Physics , 编辑部邮箱 ,1987年01期
  • 【被引频次】1
  • 【下载频次】38
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