Microstructural and physical properties of commercial Nb-46.5wt.%Ti superconducting wires with different configuration strategies (2023)
- Authors:
- USP affiliated authors: RODRIGUES JUNIOR, DURVAL - EEL ; SILVA, LUCAS BARBOZA SARNO DA - EEL
- Unidade: EEL
- Assunto: SUPERCONDUTIVIDADE
- Agências de fomento:
- Language: Inglês
- Abstract: Commercial superconducting wires of Nb-46.5wt%Ti alloys are used in a diverse range of applications related to medical, transportation, and high energy physics. The microstructure is composed by the Nb-rich superconducting phase together with α-Ti precipitated in a nanocrystalline structure, acting as pinning centers. The wires consist of a Nb-46.5%pTi multifilamentary structure embedded in copper and, depending on the configuration strategy, this might lead to distinct superconductivity behavior. The bundling and the processing route generate distinct morphologies and microstructures and, consequently, superconducting properties, primarily the critical current density. The objective of this work is to characterize three different commercial superconducting wires to observe the microstructure and correlate with the superconducting properties. The microstructure was characterized by Scanning Electron Microscopy (SEM) and Transmission Electron Microscopy (TEM). The SEM samples were prepared by mounting, grinding, and polishing; and the TEM samples by Focused-Ion Beam (FIB). The samples were characterized using a Physical Property Measurement System (PPMS) coupled with a Vibrating Sample Magnetometer (VSM), in which the characterizations were made to obtain the critical temperatures and the critical current densities at 4.2 K from loops of magnetization in moment vs. applied magnetic field curves.
- Imprenta:
- Source:
- Título: XXI B-MRS Meeting
- Volume/Número/Paginação/Ano: p.1054, 2023
-
ABNT
OTANI, Lucas Barcelos et al. Microstructural and physical properties of commercial Nb-46.5wt.%Ti superconducting wires with different configuration strategies. 2023, Anais.. Maceió-AL: SBPMat, 2023. p. 1054. Disponível em: https://doi.org/. Acesso em: 22 fev. 2026. -
APA
Otani, L. B., Ferreira, T., Kakizaki, D. Y., Vianna, A. A., Defavari, R., Seraphim, R. M., et al. (2023). Microstructural and physical properties of commercial Nb-46.5wt.%Ti superconducting wires with different configuration strategies. In XXI B-MRS Meeting (p. 1054). Maceió-AL: SBPMat. Recuperado de https://doi.org/ -
NLM
Otani LB, Ferreira T, Kakizaki DY, Vianna AA, Defavari R, Seraphim RM, Bagnato OR, Silva LBS da, Rodrigues Jr. D. Microstructural and physical properties of commercial Nb-46.5wt.%Ti superconducting wires with different configuration strategies [Internet]. XXI B-MRS Meeting. 2023 ;1054.[citado 2026 fev. 22 ] Available from: https://doi.org/ -
Vancouver
Otani LB, Ferreira T, Kakizaki DY, Vianna AA, Defavari R, Seraphim RM, Bagnato OR, Silva LBS da, Rodrigues Jr. D. Microstructural and physical properties of commercial Nb-46.5wt.%Ti superconducting wires with different configuration strategies [Internet]. XXI B-MRS Meeting. 2023 ;1054.[citado 2026 fev. 22 ] Available from: https://doi.org/ - Study of NbB2 addition on the superconducting behavior of MgB2 bulks
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