High-effective-magnetic-permeability cobalt-nickel based microcrystalline magnetic material and preparation method thereof
A magnetic material and magnetic permeability technology, which is applied in the field of cobalt-nickel-based microcrystalline magnetic materials with high effective magnetic permeability and its preparation, can solve the problems of high cobalt content and insufficient effective magnetic permeability, and achieve excellent soft magnetic properties, It is convenient for industrial production and the effect of simple process
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Embodiment 1
[0026] The preparation method of the high effective magnetic permeability cobalt nickel base microcrystalline magnetic material of the present invention, concrete steps are as follows:
[0027] (1) First, according to the weight percentage: Fe 18%, Ni 30%, Gd 4%, Ho 0.01%, V 0.1%, Ru 0.01%, Al 6%, P1%, and the rest is Co for batching. The purity of Fe, Ni, Ho, V, Ru, Al, and Co in the raw materials is greater than 99.9%, Gd is added in the form of iron-gadolinium master alloy, and the weight percentage of Gd in the iron-gadolinium alloy is 35%; P is made of iron-phosphorus master alloy The way to add, the weight percentage of P in the iron-phosphorus alloy is 25%.
[0028] (2) Melting the raw materials in a vacuum induction furnace at a melting temperature of 1520°C, pouring and cooling to obtain a master alloy;
[0029] (3) Then put the master alloy into the remelting tubular crucible for remelting, the remelting temperature is 1505°C; the remelting tubular crucible vacuum i...
Embodiment 2
[0032] High effective permeability cobalt-nickel-based microcrystalline magnetic material alloy composition weight percent: Fe 22%, Ni 35%, Gd 7%, Ho 0.05%, V 0.5%, Ru 0.05%, Al 9%, P 3%, The rest are Co. Its preparation process is with embodiment one.
Embodiment 3
[0034] High effective permeability cobalt-nickel-based microcrystalline magnetic material alloy composition weight percent: Fe 20%, Ni 33%, Gd6%, Ho 0.04%, V 0.3%, Ru 0.03%, Al 7%, P 2%, the rest For Co. Its preparation process is with embodiment one.
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