Fabrication and Test of a 1:4 Scaled HTS Coil for the Defocusing Magnet of 2 GeV FFAG Accelerator

Fu, Wei; Wang, Chuan; Zhang, Tianjue; Zhou, Hongji; Ling, Jun; Li, Ming; Bian, Tianjian; Zhang, Suping; Zhu, X.; An, Shizhong

doi:10.1109/tasc.2022.3159297

Cited by 1 publication

(1 citation statement)

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“…Modern second-generation high-temperature superconductors (HTS) are composite tapes consisting of a large number of layers with different physical properties [1]. It is known that a lot of experimental coils are produced in different research centers [2][3][4][5][6][7][8][9]. However, the manufacturing technology for HTS tapes is still improving, which has led to a change in their properties.…”

Section: Introductionmentioning

confidence: 99%

The Application of X-ray Micro-CT in the Study of HTS Tape Coils

et al. 2022

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In the process of manufacturing products from high-temperature superconductors (HTS), quality control must be carried out. Traditionally, for HTS coils, electrical tests are carried out to determine critical current. In the case of an unacceptable result, it is necessary to determine the cause. Therefore, it is necessary to develop nondestructive testing methods. This article proposes a technology for manufacturing quality evaluation. It is based on determining the actual location of the tape and the gaps between the turns and rows of the coil and analyzing these values. For this purpose, samples were scanned using computed tomography (CT) with a Nordson Dage XD7600NT X-ray inspection system with a μCT module. The obtained data were analyzed using VolumeGraphics VGStudio 2.2 software. Furthermore, the proposed technology can be used as part of a predictive analysis of the state of HTS coils in the windings of electrical machines.

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