CN206279276U - A kind of ironcasting electroplates the composite plating layer structure of Zinc-nickel alloys - Google Patents
A kind of ironcasting electroplates the composite plating layer structure of Zinc-nickel alloys Download PDFInfo
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- CN206279276U CN206279276U CN201621128081.4U CN201621128081U CN206279276U CN 206279276 U CN206279276 U CN 206279276U CN 201621128081 U CN201621128081 U CN 201621128081U CN 206279276 U CN206279276 U CN 206279276U
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- zinc
- nickel alloy
- alloy coating
- copper
- plating layers
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Abstract
The utility model is related to metal plating field, in particular it is a kind of composite plating layer structure of ironcasting plating Zinc-nickel alloys, including cast iron matrix, basic plating layers of copper, Acidic zinc-nickel alloy coating, alkaline zinc-nickel alloy coating and seal coat, the characteristics of basic plating layers of copper has thickness of coating growth thickness slow, avoid cast iron matrix to be corroded by acidic Bath, improve the corrosion resistance of the composite deposite of Zinc-nickel alloys.Cast iron matrix is in contact with basic plating layers of copper, and basic plating layers of copper is located at the outside of cast iron matrix.Basic plating layers of copper is in contact with Acidic zinc-nickel alloy coating, and Acidic zinc-nickel alloy coating is located at the outside of basic plating layers of copper.Acidic zinc-nickel alloy coating is in contact with alkaline zinc-nickel alloy coating, and alkaline zinc-nickel alloy coating is located at the outside of Acidic zinc-nickel alloy coating.Alkaline zinc-nickel alloy coating is in contact with seal coat, and seal coat is located at the outside of alkaline zinc-nickel alloy coating.
Description
Technical field
The utility model is related to metal plating field, is in particular a kind of the compound of ironcasting plating Zinc-nickel alloys
Coating structure.
Background technology
Admiro has good performance, its corrosion resistance be higher than 7~10 times of zinc coat, and possess good japanning,
Solderability, formability and low hydrogen fragility.In automobile industry iron and steel parts and Electroplating on Zinc Die Castings, Zinc-nickel alloys
Coating has been obtained for being widely applied, and achieves good benefit.Raising with manufacturing industry to corrosion resistance of coating standard,
The requirement of plating Zinc-nickel alloys is it is also proposed to ironcasting.Cast(ing) surface contains more carbon particle, and water is on carbon particle surface
Low potential, ironcasting plating in alkaline zinc-nickel alloy coating bath excessively of the hydrogen for separating out are electrolysed, plating piece surface only has hydrogen to analyse
Go out, there is no zinc-nickel alloy coating to deposit.Complexant is typically free of in acid zinc-nickel alloy coating, zinc and nickel are easier to sink
Product.But the corrosion resistance of alkaline zinc-nickel alloy coating is apparently higher than acid zinc-nickel alloy coating.
The content of the invention
The utility model is mainly solving the technical problems that provide the composite deposite that a kind of ironcasting electroplates Zinc-nickel alloys
Structure, basic plating layers of copper have thickness of coating increase thickness it is slow the characteristics of, it is to avoid cast iron matrix is subject to acidic Bath
Corrosion, improves the corrosion resistance of the composite deposite of Zinc-nickel alloys.
In order to solve the above technical problems, the utility model is related to metal plating field, in particular it is a kind of ironcasting
Electroplate the composite plating layer structure of Zinc-nickel alloys, including cast iron matrix, basic plating layers of copper, acid zinc-nickel alloy coating, alkalescence
Zinc-nickel alloy coating and seal coat, basic plating layers of copper have thickness of coating increase thickness it is slow the characteristics of, it is to avoid cast iron base
Body is corroded by acidic Bath, improves the corrosion resistance of the composite deposite of Zinc-nickel alloys.
Cast iron matrix is in contact with basic plating layers of copper, and basic plating layers of copper is located at the outside of cast iron matrix.Alkalescence
Copper electroplating layer is in contact with acid zinc-nickel alloy coating, and acid zinc-nickel alloy coating is located at the outer of basic plating layers of copper
Side.Acid zinc-nickel alloy coating is in contact with alkaline zinc-nickel alloy coating, and alkaline zinc-nickel alloy coating is located at acidity
The outside of zinc-nickel alloy coating.Alkaline zinc-nickel alloy coating is in contact with seal coat, and seal coat be located at Alkaline Zinc-
The outside of nickel alloy coating.
Used as the further optimization of the technical program, a kind of ironcasting of the utility model electroplates the Composite Coatings of Zinc-nickel alloys
The thickness of basic plating layers of copper described in Rotating fields is 1~2 micron.
A kind of ironcasting of the utility model electroplates having the beneficial effect that for the composite plating layer structure of Zinc-nickel alloys：
A kind of ironcasting of the utility model electroplates the composite plating layer structure of Zinc-nickel alloys, and basic plating layers of copper has coating
The characteristics of thickness growth thickness is slow, avoids cast iron matrix and is corroded by acidic Bath, improves the compound of Zinc-nickel alloys
The corrosion resistance of coating.
Brief description of the drawings
The utility model is described in more detail with specific implementation method below in conjunction with the accompanying drawings.
Fig. 1 is a kind of structural representation of the composite plating layer structure of ironcasting plating Zinc-nickel alloys of the utility model.
In figure：Cast iron matrix 1；Basic plating layers of copper 2；Acid zinc-nickel alloy coating 3；Alkaline zinc-nickel alloy coating 4；Envelope
Close coating 5.
Specific embodiment
Specific embodiment one：
Present embodiment is illustrated with reference to Fig. 1, the utility model is related to metal plating field, be in particular a kind of
Ironcasting electroplates the composite plating layer structure of Zinc-nickel alloys, including cast iron matrix, basic plating layers of copper, acid zinc-nickel alloy plating
Layer, alkaline zinc-nickel alloy coating and seal coat, basic plating layers of copper have thickness of coating increase thickness it is slow the characteristics of, it is to avoid
Cast iron matrix is corroded by acidic Bath, improves the corrosion resistance of the composite deposite of Zinc-nickel alloys.
Cast iron matrix 1 is in contact with basic plating layers of copper 2, and basic plating layers of copper 2 is located at the outside of cast iron matrix 1.
Basic plating layers of copper 2 is in contact with acid zinc-nickel alloy coating 3, and acid zinc-nickel alloy coating 3 is located at alkaline electro copper facing
The outside of layer 2.Acid zinc-nickel alloy coating 3 is in contact with alkaline zinc-nickel alloy coating 4, and alkaline zinc-nickel alloy coating 4
Positioned at the outside of acid zinc-nickel alloy coating 3.Alkaline zinc-nickel alloy coating 4 is in contact with seal coat 5, and seal coat
5 outsides for being located at alkaline zinc-nickel alloy coating 4.Basic plating is provided between cast iron matrix 1 and acid zinc-nickel alloy coating 3
Layers of copper 2, it is to avoid when preparing acid zinc-nickel alloy coating 3 by electroplating technology, corrosion of the acidic Bath to cast iron matrix 1,
The characteristics of basic plating layers of copper 2 has thickness of coating growth thickness slow simultaneously, makes basic plating layers of copper 2 be covered in cast iron matrix 1
Surface.
Specific embodiment two：
Present embodiment is illustrated with reference to Fig. 1, present embodiment is described further to implementation method one, the alkalescence
The thickness of copper electroplating layer 2 is 1~2 micron.
Certainly, described above is not limitation of the utility model, and the utility model is also not limited to the example above, this skill
Change, remodeling, addition or replacement that the those of ordinary skill in art field is made in essential scope of the present utility model, also belong to
In protection domain of the present utility model.
Claims (2)
1. a kind of ironcasting electroplates the composite plating layer structure of Zinc-nickel alloys, including cast iron matrix（1）, basic plating layers of copper（2）、
Acid zinc-nickel alloy coating（3）, alkaline zinc-nickel alloy coating（4）And seal coat（5）, it is characterised in that：Cast iron matrix（1）
With basic plating layers of copper（2）It is in contact, and basic plating layers of copper（2）Positioned at cast iron matrix（1）Outside；Basic plating layers of copper
（2）With acid zinc-nickel alloy coating（3）It is in contact, and acid zinc-nickel alloy coating（3）Positioned at basic plating layers of copper（2）'s
Outside；Acid zinc-nickel alloy coating（3）With alkaline zinc-nickel alloy coating（4）It is in contact, and alkaline zinc-nickel alloy coating
（4）Positioned at acid zinc-nickel alloy coating（3）Outside；Alkaline zinc-nickel alloy coating（4）With seal coat（5）It is in contact, and
And seal coat（5）Positioned at alkaline zinc-nickel alloy coating（4）Outside.
2. a kind of ironcasting according to claim 1 electroplates the composite plating layer structure of Zinc-nickel alloys, it is characterised in that：Institute
State basic plating layers of copper（2）Thickness be 1~2 micron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621128081.4U CN206279276U (en) | 2016-10-17 | 2016-10-17 | A kind of ironcasting electroplates the composite plating layer structure of Zinc-nickel alloys |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621128081.4U CN206279276U (en) | 2016-10-17 | 2016-10-17 | A kind of ironcasting electroplates the composite plating layer structure of Zinc-nickel alloys |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206279276U true CN206279276U (en) | 2017-06-27 |
Family
ID=59085930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621128081.4U Expired - Fee Related CN206279276U (en) | 2016-10-17 | 2016-10-17 | A kind of ironcasting electroplates the composite plating layer structure of Zinc-nickel alloys |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206279276U (en) |
-
2016
- 2016-10-17 CN CN201621128081.4U patent/CN206279276U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170627 Termination date: 20171017 |