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Iron-based amorphous soft magnetic alloy and preparation method thereof

An iron-based amorphous and soft magnetic alloy technology, applied in the direction of magnetic materials, magnetic objects, electrical components, etc., can solve the problems of reduced amorphous forming ability, low cost, and reduced maximum saturation magnetic induction intensity, achieving strong forming ability, The effect of excellent toughness

Inactive Publication Date: 2019-08-06
ZTT ELECTRICAL TECH CO LTD
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Problems solved by technology

[0003] Due to the low cost of iron, the current research on iron-based amorphous soft magnetic alloys is more popular, but in terms of the results obtained at this stage, the effects are not ideal, and its amorphous formation ability is somewhat improved when the maximum saturation magnetic induction is increased. Decrease, or its maximum saturation magnetic induction decreases when the amorphous formation ability is improved

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  • Iron-based amorphous soft magnetic alloy and preparation method thereof
  • Iron-based amorphous soft magnetic alloy and preparation method thereof
  • Iron-based amorphous soft magnetic alloy and preparation method thereof

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Embodiment Construction

[0028] In order to make the technical solutions, objectives and advantages of the solutions of the present invention clearer, the technology of the present invention will be further described in detail through implementation cases. It should be known that the detailed implementation cases here are only used for explaining the present invention, and do not limit the present invention.

[0029] The invention provides an iron-based amorphous soft magnetic material, on the basis of the common iron-silicon-boron ternary composition, by adding carbon element, its saturation magnetic induction intensity can be effectively improved; by adding yttrium element, it can purify molten steel , remove oxidation and improve the quality of molten steel; and with the addition of small atomic size carbon and large atomic size yttrium, the difference in the size of each group of atoms in the system increases, which can improve the amorphous forming ability of the system. The molecular formula of ...

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Abstract

The invention provides an iron-based amorphous soft magnetic alloy and a preparation method thereof. The iron-based amorphous soft magnetic alloy has a molecular formula of FeaSibBcCxYd. The preparation method comprises the steps of arranging raw materials; smelting the prepared raw materials in a smelting furnace, and leading a smelted melt to a heating device; connecting the heating device witha spray bag; pouring, by the heating device, the melt from a spray bag funnel onto the surface of a copper roll through the spray bag, such that the melt is rapidly cooled after being in contact withthe copper roll and a strip sample is formed to obtain the iron-based amorphous soft magnetic alloy. The iron-based amorphous soft magnetic alloy provided by the invention successfully improves the magnetic properties of the alloy under the condition of ensuring a good amorphous forming ability.

Description

technical field [0001] The invention relates to the technical field of magnetic functional alloys, in particular to an iron-based amorphous soft magnetic alloy and a preparation method thereof. Background technique [0002] Soft magnetic alloy refers to an alloy that can quickly respond to changes in the external magnetic field, and has the characteristics of low loss, high saturation magnetic induction, low power loss, and good working stability. The development of soft magnetic alloys has gone through the development process of electrical pure iron, silicon steel materials, permalloy, ferrite materials to amorphous magnetic alloys. Although silicon steel materials and ferrite materials still account for the main part of soft magnetic alloys, the iron loss of silicon steel materials is relatively large, while the saturation magnetic induction of ferrite materials is low. [0003] Due to the low cost of iron, the current research on iron-based amorphous soft magnetic alloys...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F1/153
CPCH01F1/15325H01F1/15341
Inventor 张继林陈小建缪徐张巍巍刘霖仇忠华吉鸿志
Owner ZTT ELECTRICAL TECH CO LTD
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