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ferrite dur

hard ferrite

électronique et électrotechnique / métallurgie et sidérurgie - acta.es iate.europa.eu

Ferrite fritté (aimants ferrite dur) ont été développés dans les années 1960 comme une alternative peu coûteuse aux aimants métalliques.

Hard ferrite (ceramic) magnets were developed in the 1960's as a low cost alternative to metallic magnets.

général - CCMatrix (Wikipedia + CommonCrawl)

Le matériau magnétique à base de ferrite selon un mode de réalisation préféré est un matériau magnétique à base de ferrite comprenant de la ferrite dure, une teneur en P exprimée en termes de P2O5 étant d'au moins 0,001 %.

The ferrite magnetic material according to a preferred embodiment is a ferrite magnetic material comprising hard ferrite wherein a content of P, expressed in terms of P2O5, is at least 0.001%.

électronique et électrotechnique - wipo.int

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Advantages of the fluidized bed technique for the preparation of hard ferrite powders

On décrit la préparation de poudres de ferrite dur par réaction à l'état solide dans un lit fluidisé....

...Preparation of hexaferrite powders by means of a solid state reaction in a fluid bed furnace is described....

général - core.ac.uk -

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Improved design of permanent magnet generators for large scale wind turbines...materials.In this work, finite element methods were used to investigate methods to increase magnetic contribution to torque and allow for significant reduction in the PMG volume, or the use of hard ferrite permanent magnets that do not contain critical rare earth materials.To...

général - core.ac.uk - PDF: lib.dr.iastate.edu

Comparison of the irreversible thermomagnetic behaviour of some ferro- and ferrimagnetic systems... The highly anisotropic ferromagnetic oxide, SrRuO3 and the hard ferrite, SrFe12O19 show sharp peaks below Tc in their MZFC(T) curves, whereas for the soft ferrite Ni0×8Zn0×2Fe2O4 and the low anisotropic ferromagnetic oxide La0.7Ca0×3MnO3...

PDF: www.ias.ac.in

Influence of saturation magnetization and viscosity on specific loss power for cofe2o4 and mnfe2o4 magnetic nanoparticles... In this study, the specific loss power asdependent on saturation magnetization was calculated for hard ferrite CoFe2O4 (K = 290 kJ/m3)and soft ferrite MnFe2O4 (K = 3 kJ/m3) with two values of viscosity in biological range 1-2 mPas.Besides,...

PDF: vjs.ac.vn

Trapping atoms on a transparent permanent-magnet atom chip... The chip is made of magnetically hard ferrite-garnet material deposited on a dielectric substrate....

PDF: aaltodoc.aalto.fi

Effect of pvp as a capping agent in single reaction synthesis of nanocomposite soft/hard ferrite nanoparticlesNanocomposite magnets consist of soft and hard ferrite phases are known as an exchange spring magnet when they are sufficiently spin exchange coupled....

PDF: psasir.upm.edu.my