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Article Dans Une Revue IEEE Transactions on Applied Superconductivity Année : 2022

Full-field displacement measurement method of metal-as-insulation pancake at liquid nitrogen temperature

Résumé

In situ measurement of metal-as-insulation (MI) high temperature superconductor (HTS) pancake deformation gives insight to its actual mechanical state. Measurement of hoop strain for inner / outer turn of MI pancake is usually made by strain gauges. This measurement is however local and faces electromagnetic compatibility (EMC) and thermal issues. Non-contact full-field displacement measurement is an interesting alternative solution. This technique is based on digital image correlation (DIC), which derives the displacement field in specified region of interest (ROI) by correlation between the deformed state image and the reference state image.
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hal-03776258 , version 1 (13-09-2022)

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Mohamad-Rajab Alharake, Philippe Fazilleau, Aurelien Godfrin, Olivier Hubert. Full-field displacement measurement method of metal-as-insulation pancake at liquid nitrogen temperature. IEEE Transactions on Applied Superconductivity, 2022, IEEE Transactions on Applied Superconductivity, 32 (4), pp.4601005. ⟨10.1109/TASC.2022.3145306⟩. ⟨hal-03776258⟩
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