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Título: | Transport and structural properties of MgB2/Fe wires produced by redesigning internal Mg diffusion process |
Autor: | Yetiş, Hakan; Avcı, Doğan; Karaboğa, Fırat; Aksoy, Canan; Gajda, Daniel; Martínez, Elena CSIC ORCID ; Tanyıldızı, Fatih Mehmet; Zaleski, Andrzej; Babij, Michal; Tran, Lan Maria; Angurel, Luis A. CSIC ORCID; Fuente, Germán F. de la CSIC ORCID ; Belenli, İbrahim | Fecha de publicación: | 2022 | Editor: | IOP Publishing | Citación: | Superconductor Science and Technology 35(4): 045012 (2022) | Resumen: | We report transport, electromechanical, and structural properties of single core MgB2/Fe wire produced using a new fabrication method, called designed internal Mg diffusion (IMD) process, which relies on the use of non-stoichiometric Mg + B pellets with excess Mg in place of a central Mg rod used in the standard IMD method. Structural analysis revealed the successful formation of a porous MgB2 structure in the center and a dense circular MgB2 layer surrounding this structure in the designed-IMD wire. Fast transport I–V measurements showed that the designed IMD method increased engineering critical current density (Je) up to twice that of the IMD wires in self-field. The central porous MgB2 structure shared the applied current and indirectly behaved as an internal stabilizer against quench damage at high applied currents. | Versión del editor: | https://doi.org/10.1088/1361-6668/ac5339 | URI: | http://hdl.handle.net/10261/262383 | DOI: | 10.1088/1361-6668/ac5339 | E-ISSN: | 1361-6668 |
Aparece en las colecciones: | (INMA) Artículos |
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SUST_Yetis et al_POSTPRINT.pdf | 1,47 MB | Adobe PDF | Visualizar/Abrir |
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