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首页> 外文期刊>Applied Superconductivity, IEEE Transactions on >Transport and Mechanical Property Evaluation for Cu Stabilized PLD-${hbox{GdBa}}_{2}{hbox{Cu}}_{3}{hbox{O}}_{rm y}$ Coated Conductor
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Transport and Mechanical Property Evaluation for Cu Stabilized PLD-${hbox{GdBa}}_{2}{hbox{Cu}}_{3}{hbox{O}}_{rm y}$ Coated Conductor

机译:铜稳定PLD-$ {hbox {GdBa}} _ {2} {hbox {Cu}} _ {3} {hbox {O}} _ {rm y} $涂层导体的运输和机械性能评估

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摘要

Transport properties and mechanical properties were investigated for a Cu stabilized PLD-${hbox{GdBa}}_{2}{hbox{Cu}}_{3}{hbox{O}}_{rm y}$ (GdBCO) coated conductor. The conductor consists of a 100-$mu{hbox{m}}$ thick Hastelloy substrate, buffer layers, a 1.5- $mu{hbox{m}}$ thick superconducting layer, and a 100-$mu{hbox{m}}$ thick copper stabilizer. Critical currents were measured up to 600 A in magnetic fields (parallel and perpendicular to the conductor surface) up to 12 T and in temperatures ranging from 4.2 to 85 K. Temperature dependence of $n$-value was also evaluated. Mechanical property was evaluated by measuring stress/strain dependence of critical current at 77 K, self-field. Delamination property was also evaluated at room temperature using the cleavage delamination test method for adhesive bonds. The delamination propagates at GdBCO/ ${hbox{CeO}}_{rm 2}$ interface.
机译:研究了镀铜稳定的PLD-$ {hbox {GdBa}} _ {2} {hbox {Cu}} _ {3} {hbox {O}} _ {rm y} $(GdBCO)涂层的传输性能和机械性能导体。导体由100-μmu{hbox {m}} $厚的哈氏合金衬底,缓冲层,1.5-μmu{hbox {m}} $厚的超导层和100-μmu{hbox {m}} $厚组成} $厚的铜稳定剂。在高达12 T的磁场(平行于垂直于导体表面)和温度范围为4.2到85 K的范围内,测量到的最大电流为600A。还评估了温度对$ n $值的依赖性。通过测量在77 K自电场下的临界电流的应力/应变依赖性来评估机械性能。还使用用于粘合剂的解理剥离试验方法在室温下评价剥离性能。分层在GdBCO / $ {hbox {CeO}} _ {rm 2} $接口传播。

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