Material for additive manufacturing of magnetic core by adding graphene

A technology of additive manufacturing and graphene, which is applied in the direction of magnetic materials, inorganic materials, magnetic objects, etc., can solve problems such as poor dispersion of raw materials and difficulty in ensuring product density

Active Publication Date: 2017-06-20
FOSHAN CHENG XIAN TECH CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are many types of products that can be manufactured through additive manufacturing technology, and there are many materials used. Among them, the magnetic core is the most widely used one among many products, and there are many types of raw materials for manufacturing magnetism. On the whole, it can be attributed to soft magnetic materials and hard magnetic materials. There are two types of magnetic materials. When using soft magnetic materials and hard magnetic materials combined with additive manufacturing technology to manufacture magnetic cores, there are usually problems with poor dispersion of raw materials and difficulty in ensuring product density.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A material for additively manufacturing magnetic cores with graphene added, comprising soft magnetic materials, hard magnetic materials, and a binder, wherein graphene is also added to the binder.

[0022] Further, the binder is polyvinyl alcohol.

[0023] Further, the hard magnetic material is NdFeB hard magnetic material.

[0024] Further, the soft magnetic material is composed of the following substances in parts by weight: 43 parts of Fe 2 o 3 , 34 parts of Mn 3 o 4 , 11 parts of ZnO, 15 parts of NiO, 25 parts of carbonyl iron powder, 4 parts of CuO, 0.1 part of Co 2 o 3 , 4 parts of BaO, appropriate amount of deionized water.

[0025] The preparation method of the soft magnetic material according to the above formula is as follows:

[0026] (1) Ingredients: Weigh the above substances according to the ratio of the above formula;

[0027] (2) Slurry preparation: Fe weighed in step (1) 2 o 3 , Mn 3 o 4 , ZnO, and add 3 times the total weight of deionized w...

Embodiment 2

[0034] A material for additively manufacturing magnetic cores with graphene added, comprising soft magnetic materials, hard magnetic materials, and a binder, wherein graphene is also added to the binder.

[0035] Further, the binder is polyvinyl alcohol.

[0036] Further, the hard magnetic material is NdFeB hard magnetic material.

[0037] Further, the soft magnetic material is composed of the following substances in parts by weight: 45 parts of Fe 2 o 3 , 35 parts of Mn 3 o 4 , 12 parts of ZnO, 18 parts of NiO, 28 parts of carbonyl iron powder, 6 parts of CuO, 0.3 parts of Co 2 o 3 , 5 parts of BaO, and an appropriate amount of deionized water.

[0038] The preparation method of the soft magnetic material according to the above formula is as follows:

[0039] (1) Ingredients: Weigh the above substances according to the ratio of the above formula;

[0040] (2) Slurry preparation: Fe weighed in step (1) 2 o 3 , Mn 3 o 4 , ZnO, and add 4 times the total weight of dei...

Embodiment 3

[0047] A material for additively manufacturing magnetic cores with graphene added, comprising soft magnetic materials, hard magnetic materials, and a binder, wherein graphene is also added to the binder.

[0048] Further, the binder is polyvinyl alcohol.

[0049] Further, the hard magnetic material is NdFeB hard magnetic material.

[0050] Further, the soft magnetic material is composed of the following substances in parts by weight: 47 parts of Fe 2 o 3 , 36 parts of Mn 3 o 4 , 13 parts of ZnO, 22 parts of NiO, 30 parts of carbonyl iron powder, 7 parts of CuO, 0.5 parts of Co 2 o 3, 6 parts of BaO, appropriate amount of deionized water.

[0051] The preparation method of the soft magnetic material according to the above formula is as follows:

[0052] (1) Ingredients: Weigh the above substances according to the ratio of the above formula;

[0053] (2) Mixing slurry: the Fe weighed in step (1) 2 o 3 , Mn 3 o 4 , ZnO, and adding 5 times the total weight of deionized...

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PUM

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Abstract

The invention belongs to the field of additive manufacturing of a magnetic core, and particularly relates to a material for additive manufacturing of the magnetic core. The material comprises a soft magnetic material, a hard magnetic material and a binding agent, wherein graphene is also added into the binding agent. The graphene is added into the binding agent of the material for additive manufacturing of the magnetic core, and the density which a product for additive manufacturing of the magnetic core lacks is improved; and moreover, the Curie temperature induction sensitivity of the soft magnetic material is effectively improved as well as the dispersiblity is ensured, and a guarantee is provided for manufacturing of a high-quality magnetic core.

Description

technical field [0001] The invention belongs to the field of magnetic materials for additive manufacturing, in particular to a material for additive manufacturing magnetic cores added with graphene. Background technique [0002] As a rookie in the manufacturing industry, additive manufacturing technology is a revolutionary new manufacturing technology. It changes the traditional production mode of cutting raw materials and assembling parts. Design products are converted into 3D data through CAD software, and then "print" the products layer by layer through specific molding equipment (3D printers). There are many types of products that can be manufactured through additive manufacturing technology, and there are many materials used. Among them, the magnetic core is the most widely used one among many products, and there are many types of raw materials for manufacturing magnetism. On the whole, it can be attributed to soft magnetic materials and hard magnetic materials. There ...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): H01F1/37H01F1/057
CPCH01F1/01H01F1/057H01F1/37
Inventor龙克文颜天宝
OwnerFOSHAN CHENG XIAN TECH CO LTD