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Soft-magnetic magnetostrictive ferrite material and manufacturing method thereof
The invention discloses a soft-magnetic magnetostrictive ferrite material with high saturation magnetization Ms and a negative magnetostriction coefficient lambda s and a manufacturing method thereof. The soft-magnetic magnetostrictive ferrite material comprises main components and additives. The main components comprise 50-58mol% of Fe2O3, 36-42mol% of NiO, 0.1-4.5mol% of ZnO, 1-8mol% of CuO and 0.2-8mol% of Co2O3. The additives comprise more than two of Mn3O4, SiO2, Bi2O3, TiO2 and CaCO3. The soft-magnetic magnetostrictive ferrite material can be used in a frequency scope of 40-43KHz, has high saturation magnetization Ms and a negative magnetostriction coefficient lambda s and has the characteristics of 1, large deformation amount and large stress, 2, fast response speed, 3, soft magnetism, 4, drivability in a low magnetic field, 5, high Curie temperature, 6, no magnetostrictive characteristic sensibility to temperature change in a use atmosphere, 7, high reliability and 8, good environmental friendliness and market competitiveness.
Soft-magnetic magnetostrictive ferrite material and manufacturing method thereof
The invention discloses a soft-magnetic magnetostrictive ferrite material with high saturation magnetization Ms and a negative magnetostriction coefficient lambda s and a manufacturing method thereof. The soft-magnetic magnetostrictive ferrite material comprises main components and additives. The main components comprise 50-58mol% of Fe2O3, 36-42mol% of NiO, 0.1-4.5mol% of ZnO, 1-8mol% of CuO and 0.2-8mol% of Co2O3. The additives comprise more than two of Mn3O4, SiO2, Bi2O3, TiO2 and CaCO3. The soft-magnetic magnetostrictive ferrite material can be used in a frequency scope of 40-43KHz, has high saturation magnetization Ms and a negative magnetostriction coefficient lambda s and has the characteristics of 1, large deformation amount and large stress, 2, fast response speed, 3, soft magnetism, 4, drivability in a low magnetic field, 5, high Curie temperature, 6, no magnetostrictive characteristic sensibility to temperature change in a use atmosphere, 7, high reliability and 8, good environmental friendliness and market competitiveness.
Soft-magnetic magnetostrictive ferrite material and manufacturing method thereof
CHEN JUNLIN (Autor:in) / CHEN XINBIN (Autor:in)
08.04.2015
Patent
Elektronische Ressource
Englisch
IPC:
C04B
Kalk
,
LIME
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