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发明授权
CN101794655B 具有高屏蔽特性的低电阻超导接头的制作方法 有权

具有高屏蔽特性的低电阻超导接头的制作方法
摘要：
一种具有高屏蔽特性的低电阻超导接头，将NbTi/Cu超导线(1)端部的外表面铜(2)腐蚀后形成NbTi超导丝(3)。在Nb/NbTi/Cu多层复合棒(4)的铌层(5)的每个通孔(8)内分别插入相同数目的NbTi超导丝(3)，在Nb/NbTi/Cu多层复合棒(4)外施加一定的压力，将Nb/NbTi/Cu多层复合棒(4)和NbTi超导丝(3)通过压力结合在一起形成接头。将所述的接头插入到YBCO管(9)内，然后向YBCO管(9)内充入填满熔融的伍德合金焊料(10)。制成高屏蔽低电阻的超导接头。
摘要（英）：

The invention relates to a low-resistance superconducting joint with a high shielding characteristic, which is manufactured by a method comprising the following steps of: corroding copper (2) on the outer surfaces of the end parts of NbTi/Cu superconducting lines (1) to form NbTi superconducting lines (3); inserting the same amount of the NbTi superconducting lines (3) into each through hole (8) of a niobium layer (5) of a Nb/NbTi/Cu multilayer composite rod (4) respectively; exerting certain pressure to the outside of the Nb/NbTi/Cu multilayer composite rod (4) to ensure that the Nb/NbTi/Cu multilayer composite rod (4) is combined together with the NbTi superconducting lines (3) by pressure to form a joint; inserting the joint into a YBCO tube (9); and filling a molten woods metal solder(10) into the YBCO tube (9) to obtain the high-shielding low-resistance superconducting joint.

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