Elasticity, Plasticity, and Fracture Toughness of REBCO Coated Conductors Characterized via Micromechanical Tests at Room Temperature

REBCO, the leading candidate conductor for ultra high field magnets, is typically produced in the form of thin tapes, consisting of multiple layers of diverse materials with very different natures and properties. Knowledge of the mechanical properties of these different layers is crucial for magnet design. In this paper, we propose a methodology to measure the elasticity, plasticity and fracture toughness of conductor layer materials, at the scale of its constituents, based on nanoindentation, micropillar compression and micropillar splitting techniques. Measurements with these techniques are carried out at room temperature on a commercial conductor, and the results obtained are compared to the values found in the literature and to those specified by the manufacturers.

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Publication Details

Journal
IEEE Transactions on Applied Superconductivity
Published
2025-01-16
DOI
https://doi.org/10.1109/tasc.2025.3530382
Citations
2
Primary Topic
Physics of Superconductivity and Magnetism
Type
article
Field-Weighted Citation Impact
2.52
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article

Elasticity, Plasticity, and Fracture Toughness of REBCO Coated Conductors Characterized via Micromechanical Tests at Room Temperature

Szilvia Kalácska, L. Bottura, H. Félice, Sergio Sao‐Joao et al.
2 citations
IEEE Transactions on Applied Superconductivity
Physics of Superconductivity and Magnetism
2.52
article

Elasticity, Plasticity, and Fracture Toughness of REBCO Coated Conductors Characterized via Micromechanical Tests at Room Temperature

Szilvia Kalácska, L. Bottura, H. Félice, Sergio Sao‐Joao, Guillaume Kermouche, Jean‐Michel Bergheau, Gianluca Vernassa, B. Bordini, Morgan Rusinowicz
article en
2 citations

Abstract

REBCO, the leading candidate conductor for ultra high field magnets, is typically produced in the form of thin tapes, consisting of multiple layers of diverse materials with very different natures and properties. Knowledge of the mechanical properties of these different layers is crucial for magnet design. In this paper, we propose a methodology to measure the elasticity, plasticity and fracture toughness of conductor layer materials, at the scale of its constituents, based on nanoindentation, micropillar compression and micropillar splitting techniques. Measurements with these techniques are carried out at room temperature on a commercial conductor, and the results obtained are compared to the values found in the literature and to those specified by the manufacturers.

IEEE Transactions on Applied SuperconductivityVol. 35(5)
Université Claude Bernard Lyon 1 (FR), Centre National de la Recherche Scientifique (FR), École Nationale d'Ingénieurs de Saint-Étienne (FR), Commissariat à l'Énergie Atomique et aux Énergies Alternatives (FR), Mines Saint-Étienne (FR), CEA Paris-Saclay (FR), Institut de Recherche sur les Lois Fondamentales de l'Univers (FR), École Nationale des Travaux Publics de l'État (FR), European Organization for Nuclear Research (CH)
Openalex Percentile: Top 14%
Physics of Superconductivity and Magnetism
2.52
DOIOpen Access PDFOpenAlex
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Elasticity, Plasticity, and Fracture Toughness of REBCO Coated Conductors Characterized via Micromechanical Tests at Room Temperature — Szilvia Kalácska, L. Bottura, et al. · IEEE Transactions on Applied Superconductivity (2025) | TGRS Research Map | TGRS