CN203325624U - Novel neodymium iron boron magnet - Google Patents
Novel neodymium iron boron magnet Download PDFInfo
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- CN203325624U CN203325624U CN2013204475000U CN201320447500U CN203325624U CN 203325624 U CN203325624 U CN 203325624U CN 2013204475000 U CN2013204475000 U CN 2013204475000U CN 201320447500 U CN201320447500 U CN 201320447500U CN 203325624 U CN203325624 U CN 203325624U
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- iron boron
- neodymium iron
- boron magnet
- electroplated layer
- novel
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Abstract
The utility model discloses a magnetic material, and particularly relates to a novel neodymium iron boron magnet. The neodymium iron boron magnet comprises a neodymium iron boron base body, wherein a Zn-Ni alloy electroplated layer is arranged on the outer surface of the neodymium iron boron base body. The novel neodymium iron boron magnet overcomes the technical defects that an outer metal electroplated layer of an existing neodymium iron boron magnet is large in hole rate, and poor in corrosion resistance and abrasive resistance. According to the novel neodymium iron boron magnet, compared with a nickel coating, the Zn-Ni alloy electroplated layer of the outer surface of the neodymium iron boron base body can reduce the cost of electroplating, and can further reducing the hole rate of the coating greatly; compared with a zinc coating, the corrosion resistance and the abrasive resistance of the Zn-Ni alloy electroplated layer is three to five times of those of the zinc coating, and hydrogen brittleness is close to zero; meanwhile, the Zn-Ni alloy electroplated layer is small in internal stress, the dispersing capacity and the covering capacity of a plating solution are good, current efficiency is high, and due to the fact that a microcrystal UV glue layer is further arranged outside the Zn-Ni alloy electroplated layer, the novel neodymium iron boron magnet is made to have the advantages of being smooth, being not tainted with dust easily, being free of light reflection, and improving tactile sensation of products.
Description
Technical field
The utility model relates to a kind of magnetic material, particularly the Nd-Fe-B magnet.
Background technology
As third generation rare earth permanent-magnetic material, neodymium iron boron is since coming out the eighties in 20th century, and with it, remarkable magnetic property and higher cost performance, be used widely in electronics, military affairs, household electrical appliances and automobile and other industries, and obtained develop rapidly.
At present, the neodymium iron boron magnetic materials surface treatment mainly adopts the way of plating to improve its corrosion stability and conductivity, is generally electrogalvanizing, double layer nickel, three layers of nickel and electrogilding.But the porosity of above-mentioned middle nickel coating is larger; The corrosion resistance of zinc coat and resistance to wear are all not good; The electroplating cost of Gold plated Layer is higher again, and therefore being badly in need of in the market a kind of new electrodeposited coating solves more above-mentioned row problems.
The utility model content
The purpose of this utility model is in order to solve above-mentioned the deficiencies in the prior art, to provide a kind of corrosion resistance of sealer and resistance to wear good, simultaneously the low Nd-Fe-B magnet of porosity.
To achieve these goals, the Nd-Fe-B magnet that the utility model is designed, comprise the neodymium iron boron matrix, and described neodymium iron boron outer surface of matrix is provided with the Zn-Ni alloy electroplating layer.
As preferably, the utility model provides the Zn-Ni alloy electroplating layer of Nd-Fe-B magnet also to be provided with one deck micro-crystallization UV glue-line outward, micro-crystallization UV glue-line has smoothly, is difficult for being infected with dust and opaque characteristics, thereby guarantee the clean and gloss on the utility model surface, the texture of promoting product.
UV glue in above-mentioned is a kind of current material, belongs to those skilled in the art's known technology, therefore seldom be described in detail at this.
The Nd-Fe-B magnet that the utility model obtains, the Zn-Ni alloy electroplating layer of its neodymium iron boron outer surface of matrix is compared with nickel coating, can not only reduce electroplating cost, and can also greatly reduce the porosity of coating; With zinc coating, compare, its corrosion resistance and resistance to wear are about 3 times～5 times of zinc, and hydrogen brittleness is close to zero; Zn-Ni alloy electroplating layer internal stress is little simultaneously, solution dispersibility and covering power are good, current efficiency is high, finally because the Zn-Ni alloy electroplating layer also is provided with one deck micro-crystallization UV glue-line outward, make the utility model show to have smoothly, be difficult for being infected with dust and opaque characteristics, promote the texture of product.
The accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment 1 Nd-Fe-B magnet that provides;
Fig. 2 is the structural representation of the embodiment 2 Nd-Fe-B magnet that provides;
In figure: neodymium iron boron matrix 1, Zn-Ni alloy electroplating layer 2, micro-crystallization UV glue-line 3.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Embodiment 1:
As shown in Figure 1, the Nd-Fe-B magnet that the present embodiment provides, comprise neodymium iron boron matrix 1, and described neodymium iron boron matrix 1 outer surface is provided with Zn-Ni alloy electroplating layer 2.
Embodiment 2:
As shown in Figure 2, the Nd-Fe-B magnet that the present embodiment provides, its general structure is consistent with embodiment 1, but the outer one deck micro-crystallization UV glue-line 3 that also is provided with of Zn-Ni alloy electroplating layer 2 in the present embodiment, micro-crystallization UV glue-line 3 has smoothly, is difficult for being infected with dust and opaque characteristics, promotes the texture of product.
Claims (2)
1. a Nd-Fe-B magnet, comprise neodymium iron boron matrix (1), it is characterized in that: described neodymium iron boron matrix (1) outer surface is provided with Zn-Ni alloy electroplating layer (2).
2. Nd-Fe-B magnet according to claim 1, it is characterized in that being: the outer surface of described Zn-Ni alloy electroplating layer (2) also is coated with micro-crystallization UV glue-line (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204475000U CN203325624U (en) | 2013-07-26 | 2013-07-26 | Novel neodymium iron boron magnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204475000U CN203325624U (en) | 2013-07-26 | 2013-07-26 | Novel neodymium iron boron magnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203325624U true CN203325624U (en) | 2013-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204475000U Expired - Lifetime CN203325624U (en) | 2013-07-26 | 2013-07-26 | Novel neodymium iron boron magnet |
Country Status (1)
| Country | Link |
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| CN (1) | CN203325624U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107958759A (en) * | 2016-10-18 | 2018-04-24 | 北京中科三环高技术股份有限公司 | Wetting agent, rare earth permanent-magnetic material and the surface treatment method for preparing the material |
| CN108122653A (en) * | 2017-12-21 | 2018-06-05 | 宁波金轮磁材技术有限公司 | A kind of high-performance neodymium iron boron magnetic materials containing dysprosium and preparation method thereof |
| CN110983392A (en) * | 2019-12-31 | 2020-04-10 | 包头天和磁材科技股份有限公司 | Method for electroplating zinc-nickel alloy, magnet, electroplating solution and use of potassium chloride |
-
2013
- 2013-07-26 CN CN2013204475000U patent/CN203325624U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107958759A (en) * | 2016-10-18 | 2018-04-24 | 北京中科三环高技术股份有限公司 | Wetting agent, rare earth permanent-magnetic material and the surface treatment method for preparing the material |
| CN108122653A (en) * | 2017-12-21 | 2018-06-05 | 宁波金轮磁材技术有限公司 | A kind of high-performance neodymium iron boron magnetic materials containing dysprosium and preparation method thereof |
| CN108122653B (en) * | 2017-12-21 | 2019-11-12 | 宁波金轮磁材技术有限公司 | A kind of high-performance neodymium iron boron magnetic materials containing dysprosium and preparation method thereof |
| CN110983392A (en) * | 2019-12-31 | 2020-04-10 | 包头天和磁材科技股份有限公司 | Method for electroplating zinc-nickel alloy, magnet, electroplating solution and use of potassium chloride |
| CN110983392B (en) * | 2019-12-31 | 2021-05-28 | 包头天和磁材科技股份有限公司 | Method for electroplating zinc-nickel alloy, magnet, electroplating solution and use of potassium chloride |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131204 |
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| CX01 | Expiry of patent term |