Magnetic complex permeability (imaginary part) dependence on the microstructure of a Cu-doped Ni–Zn-polycrystalline sintered ferrite
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Otros documentos de la autoría: Barba-Juan, Antonio; Clausell-Terol, Carolina; Jarque Fonfría, Juan Carlos; Nuño, Luis
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Mostrar el registro completo del ítemcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/7033
comunitat-uji-handle3:10234/8618
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https://doi.org/10.1016/j.ceramint.2020.02.255 |
Metadatos
Título
Magnetic complex permeability (imaginary part) dependence on the microstructure of a Cu-doped Ni–Zn-polycrystalline sintered ferriteFecha de publicación
2020-07Editor
ElsevierISSN
0272-8842Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
https://www.sciencedirect.com/science/article/pii/S0272884220305812Versión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
In this study, the effective complex magnetic permeability-imaginary part of a Cu doped-NiZn polycrystalline ferrite used as EMI suppressor has been quantitatively related to microstructural parameters. It has been ... [+]
In this study, the effective complex magnetic permeability-imaginary part of a Cu doped-NiZn polycrystalline ferrite used as EMI suppressor has been quantitatively related to microstructural parameters. It has been observed that strongly depends on average grain size of the compact, but also on its relative density : the higher grain size and density the higher . A mathematical relationship between and average grain size and densification has been proposed and tested, accurately reproducing the experimental results. The use of densification concept allows to compare the wide range of microstructures tested and includes a lower value of relative density (estimated around 0,56) below which is virtually zero. The grain boundary thickness has been estimated around 2 nm which is in agreement with experimental results reported in this work and with those found in literature. [-]
Publicado en
Ceramics International, 2020, vol. 46, no 10Proyecto de investigación
Spanish National Plan for Scientific Research, Development, and Technology Innovation of the Spanish Ministry of Economy and Competitiveness: project MAT2016–76320-R; Jaume I University of Spain: project UJIB2017-48Derechos de acceso
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