Nondestructive Measurement of Critical Current Distribution of SmBCO Coated Conductor Using Hall Probe

Ho-Sup Kim,Sang-Soo Oh,Nam-Jin Lee,Seung-Kyu Baik,Dong-Woo Ha,Rock-Kil Ko,Hong-Soo Ha,Tae-Hyung Kim,Do-Jun Youm,Seung-Hyun Moon,Chan Park

Applied Superconductivity, IEEE Transactions（2010）

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摘要

The Hall probe measurement system was used to measure the critical current distribution of superconducting coated conductor. The system consists of reel to reel moving apparatus, 7 array Hall probe, a rotary encoder and permanent magnet. The magnetic field profile across the width of superconducting coated conductor using Bean's critical state model was calculated. The effect of various parameters of the formulas on the magnetic field distribution and the effect of shape and size of artificial defects, which were formed on the surface of SmBa2Cu3O7-d(SmBCO) coated conductor using laser marking system, on the Hall probe magnetic field signal of the Hall probe measurement system was investigated.

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关键词

nondestructive testing,rotary encoder,bean model,magnetic field profile,barium compounds,hall probe measurement system,laser marking system,non destructive measurement,magnetic field distribution,superconducting tape,hall probe,bean critical state model,critical currents,artificial defects,superconducting coated conductor,array hall probe,nondestructive measurement,high-temperature superconductors,critical current distribution,samarium compounds,reel-to-reel moving apparatus,hall probe magnetic field signal,smba2cu3o7-d,permanent magnet,permanent magnets,measurement system,conductors,magnetic field,superconducting magnets,high temperature superconductors,critical state

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