Soft-magnetic composite material and process for making magnetic conduction component by using same
A soft magnetic composite material and production process technology, which is applied in the direction of inorganic material magnetism, inductor/transformer/magnet manufacturing, electrical components, etc., can solve the problems of low magnetic permeability, severe size shrinkage, and narrow selection of raw materials, etc., to achieve guaranteed Magnetic permeability and magnetic saturation rate, improving magnetic properties and mechanical properties, and ensuring the effect of density and uniformity
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Embodiment 1
[0051] A soft magnetic composite material used in the manufacture of a magnetically permeable member provided in this embodiment is composed of 95% reduced iron powder, 3% nanometer calcium carbonate powder, and 2% micronized wax.
[0052] The production process steps of the magnetically permeable member made of the soft magnetic composite material provided in this embodiment are:
[0053] 1. Mixing: Evenly mix 95% powdered primary reduced iron powder, 3% nano-calcium carbonate powder, and 2% micronized wax according to the total weight.
[0054] 2. Forming: Put the uniformly mixed powder into the forming mold, and form it by warm pressing, and then release the green compact from the mold.
[0055] Warm compaction forming is a new powder metallurgy forming process at present. It heats the powder and the mold up to about 150°C, so it can be realized by adding a heating system to the ordinary powder press, and the required investment is not large. Moreover, the green body produ...
Embodiment 2
[0061] This embodiment provides a soft magnetic composite material for manufacturing a magnetically conductive member, which is used for electrical appliances with low requirements on the strength of the magnetically conductive member. It is composed of hydroxyl iron powder, insulating agent, lubricant, and binder. The weight percentage of each component is: secondary reduced iron powder: 94%; ceramic powder 3%; micronized wax 1%, organic Binder 2%.
[0062] The production process steps of the magnetically permeable member made of the soft magnetic composite material provided in this embodiment are:
[0063] 1. Mixing: Mix 94% secondary reduced iron powder, 3% ceramic powder, and 1% micronized wax, and then add 2% organic binder;
[0064] 2. Forming: Then put the powder into the mold, and heat it together with the mold to about 80-150°C for rigid molding, which can be pressed into a workpiece with a thickness of 5-20mm according to the size requirements;
[0065] 3. Curing: ...
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