CN101935779A - Zinc aluminum alloy wire for end face gold spraying of metalized film capacitor - Google Patents
Zinc aluminum alloy wire for end face gold spraying of metalized film capacitor Download PDFInfo
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- CN101935779A CN101935779A CN 201010258866 CN201010258866A CN101935779A CN 101935779 A CN101935779 A CN 101935779A CN 201010258866 CN201010258866 CN 201010258866 CN 201010258866 A CN201010258866 A CN 201010258866A CN 101935779 A CN101935779 A CN 101935779A
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Abstract
The invention relates to a zinc aluminum alloy wire for the end face gold spraying of a metalized film capacitor. The conventional zinc aluminum alloy has the phenomena of coarse and uneven grains of a gold spraying layer and particularly forms surface patches when used for the end face gold spraying of the metalized film capacitor so as to reduce the electrical contact performance and increase a loss angle of the metalized film capacitor, bring large negative influence to the yield of the metalized film capacitor and easily block up a gun during gold spraying. The zinc aluminum alloy wire is characterized by consisting of the following components in percentage by weight: 5 to 27 percent of aluminum, 0.02 to 0.15 percent of nickel or/and 0.003 to 0.08 percent of phosphorus, less than or equal to 0.04 percent of impurities and the balance of zinc. The zinc aluminum alloy wire is used for the end face gold spraying of the metalized film capacitor and has the advantages of effectively eliminating the patch phenomenon of coarse grains on the surface of the gold spraying layer, improving the electrical contact performance of the gold spraying layer and a plastic film metal coating, reducing the loss angle of the capacitor, improving the yield of the capacitor and reducing the gun blocking phenomenon of gold spraying equipment at the same time.
Description
Technical field
The present invention relates to metallic film capacitor end face metal spraying Zn-Al alloy wire in a kind of electrical equipment discrete device.
Background technology
Metallic film capacitor (following abbreviation electrical condenser) is widely used in fields such as electronics and IT products, household electrical appliance and illumination, power equipment, industrial automation control and new forms of energy.Once the capacitor end surface metal spraying material that was widely used is five yuan of lead base gold spraying materials, is substituted by no-lead gold spraying material in the unleaded upsurge in the whole world.Show no-lead gold spraying material generally based on red brass, or in red brass, add improvement elements such as copper, antimony.Consider limited tin resource and cost etc., the electrical condenser production progressively adopted pure zinc to substitute the stanniferous gold spraying material in recent years, and obtained certain effect.But zinc also is the rare non-ferrous metal of a kind of resource, has only 75ppm in natural resource abundance, for further enlarging cheap metal spraying material source, reduce manufacturing cost, the industry Zn-Al alloy wire that contains aluminium 5～27% on probation substitutes stanniferous or pure zinc gold spraying material.It is anticorrosion that aluminium zinc is used for steel material surface in a large number, and its processing technology is comparatively ripe, and the aboundresources of nature aluminium (8.05%) is much larger than zinc, and its density also has only 37.8% of zinc, therefore has bigger development prospect with the aluminium instead of zinc.
When the mass percent of aluminium was 5%, zinc-aluminium formed eutectic alloy (382 ℃ of fusing points), and obviously purer zinc is low, be difficult for scalding plastics film during metal spraying, but when existing Zn-Al alloy wire is used for the capacitor end surface metal spraying, there is thick, the uneven phenomenon of gilding layer particle, shows as surperficial patch.Owing to there are the problems referred to above, make that the capacitor electrode contact performance reduces, loss angle increases, the electrical condenser yield rate is brought bigger negative impact, and easily stifled rifle during metal spraying.
In recent years, people enlarge its range of application and carry out unremitting effort for improving the over-all properties of aluminium zinc.The Chinese patent of number of patent application 02111556.7 discloses a kind of Zn-Al alloy wire and preparation method thereof, solved the leaded problem of material, improve intensity, end face sticking power, electrical and thermal conductivity, weldability and the qualification rate of material, and provide the metal spraying base mateiral for the electrical condenser of hot operation.The Chinese patent of number of patent application 02160539.4 discloses a kind of Zn-Al alloy wire and uses thereof, this zinc-aluminium silk is used for the thermal spraying apparatus surface, by adding 0.01%～0.05% rare earth and 0.05%～0.15% copper, make it in ocean, river, atmosphere, have excellent corrosion resisting performance.The Chinese patent of number of patent application 200310105106.X discloses a kind of thermospray Zinc-aluminum alloy wire and preparation method thereof, by adding any or its combination in 0.006%～1.5% mishmetal, magnesium, titanium or the boron, improve corrosion resistance nature, increase the service life.The Chinese patent of number of patent application 200410066349.1 discloses a kind of rare earth zinc-aluminium silk and preparation technology thereof of containing, verified and added rational rare earth element in the Zn-Al alloy wire, can make the compact structure of Zn-Al alloy wire, processing and use properties obviously should be kind, improved the seam condition simultaneously.But there was thick, the uneven patch problem of particle in gilding layer when all unresolved Zn-Al alloy wire of above-mentioned patent documentation was used for the capacitor end surface metal spraying, and the yield rate of electrical condenser still has the potentiality of further raising simultaneously.Along with the growing interest of electrical condenser production to product and production cost, industry wishes to have the better aluminium alloy material of a kind of cost performance to emerge.
Summary of the invention
The purpose of this invention is to provide a kind of metal spraying Zn-Al alloy wire that can effectively eliminate capacitor end surface gilding layer surface patch phenomenon, to improve the electrical contact performance of gilding layer and plastics film metal plating, reduce condenser loss angle, improve the electrical condenser yield rate, can reduce the stifled rifle phenomenon of metal spraying equipment simultaneously.
The present invention is a kind of metallic film capacitor end face metal spraying Zn-Al alloy wire, it is characterized in that each component composition is respectively by weight percentage: aluminium 5%～27%, and nickel 0.02%～0.15% is or/and phosphorus 0.003～0.08%, and total amount is not more than 0.04% impurity, and surplus is a zinc.
The composition of Zn-Al alloy wire of the present invention comprises aluminium element, and the interpolation mass percent is 5～27% aluminium in pure zinc, and the effect of aluminium is to substitute a part of tin or zinc, reduces the consumption than rare metal; And aluminium and zinc can form sosoloid, improve the intensity and the processing characteristics of Zn-Al alloy wire; The content of aluminium is preferably 10～22%.
The composition of Zn-Al alloy wire of the present invention can comprise nickel element, nickel can play metamorphism in Zn-Al alloy wire, can form the higher hard point of fusing point, improved electrical contact performance between the electroconductibility of Zn-Al alloy wire and gilding layer and film, can reduce electric current wild effect in the metal spraying process, and then eliminate the thick patch phenomenon of gilding layer surface particles, and helping the stifled rifle phenomenon of minimizing equipment simultaneously, test shows that the content of nickel is preferably 0.05～0.12%.
The composition of Zn-Al alloy wire of the present invention can comprise phosphoric, a large amount of tests show, in Zn-Al alloy wire, add phosphoric, can play the thick patch phenomenon effect of gilding layer particle of eliminating, improve aluminium zinc gilding layer and plastics film metal-plated rete bonding properties, test shows that the content of phosphorus is preferably 0.01～0.06%.
The present invention show through multi-party verification, but refinement gilding layer particle is effectively eliminated gilding layer patch phenomenon by adding improvement elements such as micro-nickel or phosphorus, has improved the electrical condenser yield rate, has reduced the stifled rifle phenomenon of metal spraying equipment simultaneously.
The invention will be further described below in conjunction with specification drawings and specific embodiments.
Description of drawings
Fig. 1 forms image behind the capacitor end surface gilding layer (with the image that digital camera is taken, the no hickie in gilding layer surface, the metallic particles size is even) with embodiment of the present invention.
Fig. 2 forms image behind the capacitor end surface gilding layer (with the image that digital camera is taken, the gilding layer surface arrangement hickie that varies in size, metallic particles is inhomogeneous and thicker) with Comparative Examples.
Fig. 3 is that Fig. 1 amplifies 10 times image.
Fig. 4 is that Fig. 2 amplifies 10 times image.
Fig. 4 compares with Fig. 3, and the gilding layer white patches on surface of Fig. 4 shows as unusual big particle, and gilding layer bulk metal particle is obviously greater than Fig. 3.
Embodiment
Embodiment 1:
Each component of Zn-Al alloy wire is formed by weight percentage, is respectively: aluminium 27%, and nickel 0.15%, phosphorus 0.08%, total amount is not more than 0.04% impurity, and surplus is a zinc, and the weight percent summation of each component is 100%.
Embodiment 2:
Each component of Zn-Al alloy wire is formed by weight percentage, is respectively: aluminium 22%, and nickel 0.10%, phosphorus 0.01%, total amount is not more than 0.04% impurity, and surplus is a zinc, and the weight percent summation of each component is 100%.
Embodiment 3:
Each component of Zn-Al alloy wire is formed by weight percentage, is respectively: aluminium 22%, and nickel 0.05%, phosphorus 0.05%, total amount is not more than 0.04% impurity, and surplus is a zinc, and the weight percent summation of each component is 100%.
Embodiment 4:
Each component of Zn-Al alloy wire is formed by weight percentage, is respectively: aluminium 15%, and nickel 0.12%, phosphorus 0.005%, total amount is not more than 0.04% impurity, and surplus is a zinc, and the weight percent summation of each component is 100%.
Embodiment 5:
Each component of Zn-Al alloy wire is formed by weight percentage, is respectively: aluminium 15%, and nickel 0.08%, phosphorus 0.008%, total amount is not more than 0.04% impurity, and surplus is a zinc, and the weight percent summation of each component is 100%.
Embodiment 6:
Each component of Zn-Al alloy wire is formed by weight percentage, is respectively: aluminium 27%, and phosphorus 0.08%, total amount is not more than 0.04% impurity, and surplus is a zinc, and the weight percent summation of each component is 100%.
Embodiment 7:
Each component of Zn-Al alloy wire is formed by weight percentage, is respectively: aluminium 10%, and nickel 0.02%, total amount is not more than 0.04% impurity, and surplus is a zinc, and the weight percent summation of each component is 100%.
Embodiment 8:
Each component of Zn-Al alloy wire is formed by weight percentage, is respectively: aluminium 10%, and nickel 0.09%, phosphorus 0.005%, total amount is not more than 0.04% impurity, and surplus is a zinc, and the weight percent summation of each component is 100%.
Embodiment 9:
Each component of Zn-Al alloy wire is formed by weight percentage, is respectively: aluminium 8%, and nickel 0.14%, phosphorus 0.03%, total amount is not more than 0.04% impurity, and surplus is a zinc, and the weight percent summation of each component is 100%.
Embodiment 10:
Each component of Zn-Al alloy wire is formed by weight percentage, is respectively: aluminium 8%, and nickel 0.06%, total amount is not more than 0.04% impurity, and surplus is a zinc, and the weight percent summation of each component is 100%.
Embodiment 11:
Each component of Zn-Al alloy wire is formed by weight percentage, is respectively: aluminium 5%, and nickel 0.07%, phosphorus 0.06%, total amount is not more than 0.04% impurity, and surplus is a zinc, and the weight percent summation of each component is 100%.
Embodiment 12:
Each component of Zn-Al alloy wire is formed by weight percentage, is respectively: aluminium 5%, and phosphorus 0.02%, total amount is not more than 0.04% impurity, and surplus is a zinc, and the weight percent summation of each component is 100%.
Comparative Examples 1:
Each component of Zn-Al alloy wire is formed by weight percentage, and be respectively: aluminium 15%, total amount are not more than 0.04% impurity, and surplus is a zinc, and the weight percent summation of each component is 100%.
Comparative Examples 2:
Each component of Zn-Al alloy wire is formed by weight percentage, and be respectively: aluminium 5%, total amount are not more than 0.05% impurity, and surplus is a zinc, and the weight percent summation of each component is 100%.
The Performance Detection value list of the foregoing description and Comparative Examples is as follows:
The present invention is not limited to the foregoing description, can become different proportionings to reach the requirement of producing and using manufacturer with use occasion optimum combination according to different performance requriementss, but inequality limits the scope of the invention in any form.
Claims (4)
1. metallic film capacitor end face metal spraying Zn-Al alloy wire, each component composition that it is characterized in that Zn-Al alloy wire is respectively by weight percentage: aluminium 5%～27%, and nickel 0.02%～0.15% is or/and phosphorus 0.003～0.08%, and the impurity of total amount≤0.04%, and surplus is a zinc.
2. by the described metallic film capacitor end face of claim 1 metal spraying Zn-Al alloy wire, the weight percent content that it is characterized in that described nickel is 0.05～0.12%.
3. by claim 1 or 2 described metallic film capacitor end face metal spraying Zn-Al alloy wires, the weight percent content that it is characterized in that described phosphorus is 0.01～0.06%.
4. by the described metallic film capacitor end face of claim 1 metal spraying Zn-Al alloy wire, the weight percent content that it is characterized in that described aluminium is 10～22%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102588664A CN101935779B (en) | 2010-08-20 | 2010-08-20 | Zinc aluminum alloy wire for end face gold spraying of metalized film capacitor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102588664A CN101935779B (en) | 2010-08-20 | 2010-08-20 | Zinc aluminum alloy wire for end face gold spraying of metalized film capacitor |
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| Publication Number | Publication Date |
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| CN101935779A true CN101935779A (en) | 2011-01-05 |
| CN101935779B CN101935779B (en) | 2012-03-07 |
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| CN2010102588664A Active CN101935779B (en) | 2010-08-20 | 2010-08-20 | Zinc aluminum alloy wire for end face gold spraying of metalized film capacitor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110164691A (en) * | 2019-05-06 | 2019-08-23 | 艾华新动力电容(苏州)有限公司 | A kind of high moisture-proof metalizing polypropylene thin film capacitor and its processing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04157124A (en) * | 1990-10-18 | 1992-05-29 | Hitachi Cable Ltd | Corrosion resistant zinc alloy |
| CN1616703A (en) * | 2003-11-14 | 2005-05-18 | 中国科学院海洋研究所 | Hot sprayed zinc-aluminium alloy wire rod and its preparing method |
| CN1966749A (en) * | 2005-11-17 | 2007-05-23 | 株式会社神户制钢所 | Zn-al alloy excellent in elongation and method for producing the same |
-
2010
- 2010-08-20 CN CN2010102588664A patent/CN101935779B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04157124A (en) * | 1990-10-18 | 1992-05-29 | Hitachi Cable Ltd | Corrosion resistant zinc alloy |
| CN1616703A (en) * | 2003-11-14 | 2005-05-18 | 中国科学院海洋研究所 | Hot sprayed zinc-aluminium alloy wire rod and its preparing method |
| CN1966749A (en) * | 2005-11-17 | 2007-05-23 | 株式会社神户制钢所 | Zn-al alloy excellent in elongation and method for producing the same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110164691A (en) * | 2019-05-06 | 2019-08-23 | 艾华新动力电容(苏州)有限公司 | A kind of high moisture-proof metalizing polypropylene thin film capacitor and its processing method |
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| Publication number | Publication date |
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| CN101935779B (en) | 2012-03-07 |
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Effective date of registration: 20180709 Address after: 244000 Jinqiao Economic Development Zone, Tongling, Anhui Patentee after: Tongling Long Feng new materials Co., Ltd. Address before: 312001 Wulian Industrial Park, East Lake Town, Yuecheng District, Shaoxing, Zhejiang Patentee before: Shaoxing Tianlong Tin Materials Co., Ltd. |
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