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Bi(2223)/Ag复合带由脆性的BSCCO纤维芯和柔软的塑性基底构成。由于带中结构单元不同的热膨胀收缩，绕线圈时产生的拉伸和弯曲，以及使用过程中线圈产生的电磁力等等，都会导致复合带的应变。因此，机械应变(主要是弯曲和拉伸)对Bi(2223)/Ag带传输临界电流特性的影响引起了广泛
The Bi (2223) / Ag composite tape consists of a brittle BSCCO fiber core and a soft plastic substrate. Due to the different thermal expansion and contraction of the structural unit in the tape, the tensile and bending generated when the coil is wound and the electromagnetic force generated by the coil during use, etc., all lead to the strain of the composite tape. Therefore, the influence of mechanical strain (mainly bending and stretching) on the critical current characteristics of the Bi (2223) / Ag band has caused widespread