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Preparation method of iron-based amorphous magnetically soft alloy thin strip based on HT200

A soft magnetic alloy, iron-based amorphous technology, applied in the direction of magnetic materials, magnetic objects, electrical components, etc., can solve problems such as complex production processes, restrictions on large-scale promotion and application, and high raw material costs, and achieve simplified production processes and excellent Soft magnetic properties, the effect of reducing production costs

Inactive Publication Date: 2018-08-17
HEBEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In addition, traditional iron-based amorphous nanocrystalline soft magnetic alloys contain pure precious elements such as Co, Nb, Zr, Cu, Si, or C and P elements that are not easy to melt, so the high raw material cost and complex production process limit the Its large-scale promotion and application

Method used

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  • Preparation method of iron-based amorphous magnetically soft alloy thin strip based on HT200

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] (1) Press (HT200) 98 B 2 Ingredient proportioning: Weigh crystal B with a purity greater than 99.9% and commercially available HT200, that is, if the ingredients are 10g, weigh 9.9548g of HT200 alloy and 0.0452g of B element; after weighing the raw materials, put the raw materials into the arc melting furnace;

[0027] (2) Vacuum the arc melting furnace to 5×10 -3 After Pa is filled with argon gas, the raw materials prepared in step (1) are heated to 1200-1400 ° C in an arc melting furnace to melt them, and the melting is repeated 5 times to ensure uniform distribution of components, and then the melted master alloy is broken. , rinse with distilled water and alcohol;

[0028] (3) Load the dried sample in (2) into a quartz tube, and place it in a vacuum belt-spinning furnace, and vacuumize the vacuum belt-spinning furnace to less than 5×10 -3 After Pa, fill with argon gas. The pressure difference between the furnace body and the gas storage tank is 0.04MPa. The molte...

Embodiment 2

[0031] Other steps are the same as in Example 1, the difference is that press (HT200) 97 B 3 Ingredient proportioning Weigh crystal B with a purity of more than 99.9% and commercially available HT200, that is, if the ingredients are 10 g, 9.9316 g of HT200 alloy and 0.0684 g of B element are weighed.

Embodiment 3

[0033] Other steps are the same as in Example 1, the difference is that press (HT200)96 B 4 Component ratio Weigh crystal B with a purity greater than 99.9% and commercially available HT200, that is, if the ingredients are 10g, weigh 9.9081g of HT200 alloy and 0.0919g of B elemental substance.

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Abstract

The invention discloses a preparation method of an iron-based amorphous magnetically soft alloy thin strip based on HT200. The alloy thin strip is prepared from the ingredient of (HT200)aBb, wherein atomic percentage of elementary composition ingredients is as following: the a is equal to 94 to 98, the b is equal to 2 to 6, and the a+b is equal to 100; the HT200 is gray iron 200. According to thealloy, the commercial gray cast iron is utilized to replace main raw materials of pure Fe and pure Si in existing commercial production, the defined amount of B element is added, a single-roller meltspinning method is utilized, and the commercial gray cast ion is sprayed on a copper roller under 1000 to 1400 DEG C to prepare the iron-based amorphous magnetically soft alloy thin strip. The alloy disclosed by the invention has excellent soft magnetic property and is more suitable for large-scale production. According to the alloy, only the commercial gray cast iron 200 and the B element are utilized as the raw materials, no precious pure element and pure C and P elements which are inconvenient to practically produce is contained, production cost is effectively reduced (cost is saved by about 1000 yuan for each ton of the alloy), and a production technology is simplified.

Description

technical field [0001] The invention belongs to the technical field of soft magnetic alloys in functional materials, and in particular relates to an iron-based amorphous soft magnetic alloy with low cost and high soft magnetic properties. Background technique [0002] Silicon steel because of its high saturation magnetic flux density B s (~2.0T) and are widely used as magnetic cores in various electrical equipment such as generators, transformers and motors to minimize the physical size of electrical equipment. However, due to its high core loss (2~10W / kg, 60Hz and 1.5T), it has become a serious environmental and energy problem. In recent years, due to the strong demand of human society for the development of energy-saving materials such as batteries and soft magnetics, when we focus on soft magnetic materials, we have developed iron-based amorphous nanocrystalline alloys to reduce iron loss. The average coercivity of these iron-based amorphous nanocrystalline materials is...

Claims

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Application Information

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IPC IPC(8): C22C45/02C22C33/06B22D11/06H01F1/153
CPCC22C45/02B22D11/0611C22C33/003C22C33/06H01F1/14766H01F1/15308H01F1/15341
Inventor 李强姜英奇杨志道朱德民王兴华夏超群
Owner HEBEI UNIV OF TECH
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