CN201176458Y - Weldable aluminium base material - Google Patents
Weldable aluminium base material Download PDFInfo
- Publication number
- CN201176458Y CN201176458Y CNU2007203058476U CN200720305847U CN201176458Y CN 201176458 Y CN201176458 Y CN 201176458Y CN U2007203058476 U CNU2007203058476 U CN U2007203058476U CN 200720305847 U CN200720305847 U CN 200720305847U CN 201176458 Y CN201176458 Y CN 201176458Y
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- base material
- electronics
- weldable
- aluminium
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Abstract
The utility model discloses a weldable aluminum material, wherein electron suppliers are combined on non-bonding atom positions on the surface of the aluminum material, the interaction between the aluminum and the oxygen on the surface of the aluminum material is avoided through utilizing the electron suppliers and the aluminum bonding on the surface of the aluminum material, and the weldable aluminum material is used as a protective film, thereby an aluminum oxide layer is effectively prevented to be formed on the aluminum surface, and the weldable aluminum material is characterized by improving the own material characteristics of the aluminum material, and the utility model has the advantages of cheap price, light material quality, good conductivity and heat conductivity, convenient operation and low cost, the material can be welded on the whole surface or on double surfaces, and the welding can be completed through adopting the general welding technique.
Description
Technical field
The utility model is relevant a kind of welding base material, particularly is directly welded in surperficial weldable base material about a kind of for tin or other metallic substance.
Background technology
From thomson invention resistance welding technology so far, exceed a century the sixth of the twelve Earthly Branches, the improvement of its technology and welding machine, make rapid progress, and use very wide, such as the steelframe engineering of shipbuilding industry, petrochemical industry, high temperature, high pressure line, waterpower plenum system, high-rise, automotive industry, metal processing and production etc. all depend on good welding technique.
General common welding base material is copper, tin, silver, gold, aluminium or its alloy etc., though silver and auri material have satisfactory electrical conductivity, its price is very expensive, can't use in a large number; Though copper base material low price, its easy oxidation and quite heavy is used limited; The tinbase material then uses as coating usually because of its material behavior; Conductive effect as for aluminium base is pretty good, and material is light, price is quite cheap again, is a kind of base material that can widely use.But the aluminium base surface is exposed in the air can form the highly stable alumina layer (Al2O3) of one deck, makes aluminium welding difficulty higher, and this is the biggest factor that hinders welding.Be head it off,, make aluminium base can supply welding smoothly so alumina layer removal or employing chemical process must be removed the back with it and electroplated one deck nickel, zinc or other metals that welds easily.
Yet prior to electroplating last layer nickel or zinc on the aluminium base earlier, adhesion difference and electroconductibility after easily causing welding also can be greatly affected.Except electroplating, also there is the extraordinary electric welding of employing to overcome now, for example, argon welding is called non-expendable electrode welding again, be to be electrode during welding with tungsten bar, replace welding agent protection weldering filled gold to belong to argon gas (Ar), after electric arc produced, filler must rely on manual skill it is fused on the weld seam, to reach the purpose of welding, this kind welding can supply aluminium and aluminium alloy; Another kind of gas protects the metal electric welding; this is an expendable electrode welding process; to be argon or 80% above argon mix use with other gases below 20% to welding protection gas; bonding wire is with the automatically continuous line sending of motor filler to be fused on the weld seam, and this kind welding process is to specialize in the thicker stainless steel of welding, aluminium and aluminium alloy.But, use extraordinary electric welding in treating processes, can produce high temperature, and its spent cost is also higher relatively, does not meet Financial cost.
Therefore, the utility model is to propose a kind of weldable base material, can effectively improve the problem points in the technology before being present in.
The utility model content
The utility model provides a kind of weldable base material, and the welding base material costs an arm and a leg in the prior art to solve, and can't use in a large number; Copper base material low price but its easy oxidation and quite heavy are used limited; The aluminium base surface is exposed to the alumina layer (Al2O3) that forms in the air, makes aluminium welding difficulty higher, hinders welding; Use extraordinary electric welding in treating processes, can produce high temperature, and its spent cost is also higher relatively, does not meet the economic dispatch problem.
Main purpose of the present utility model is that a kind of weldable base material is being provided, its be utilize electronics for the effect of person (electron donor), can weld other metal materials easily on the aluminium surface.
Another purpose of the present utility model is that a kind of weldable base material is being provided, its be with low price, material is light, electroconductibility is good, thermal conductivity is good and be easy to weld and the advantage of whole welding, two-sided welding, has economic worth, and can adopt general welding technique to finish, easy to operate, cost is low.
For achieving the above object, weldable base material of the present utility model includes an aluminium base, its surface each not the bond atom be combined with respectively an electronics for and the person, form a protective membrane with this, prevent that aluminium surface from generating alumina layer.
Compared with prior art, the utlity model has following advantage:
The utility model provides a kind of weldable base material, have low price, material is slim and graceful, the good thermal conductivity of electroconductibility is good and be easy to weld and the advantage of whole welding, two-sided welding, have economic worth, and can adopt general welding technique to finish, easy to operate, cost is low.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is formed with the synoptic diagram of tin layer for aluminium machine material of the present utility model surface.
The main element nomenclature is as follows:
10 weldable base materials, 12 aluminium bases
14 electronics supply and person's 16 tin layers
Embodiment
Because being exposed in the air, the aluminium base surface can form the highly stable alumina layer (Al2O3) of one deck, make aluminium or its alloy welding difficulty higher, therefore, the utility model tie up to utilize electronics for the aluminium bond on person and aluminium base surface, therefore the aluminium of avoiding the aluminium base surface can prevent effectively that in interacting with oxygen the aluminium surface from generating alumina layer.
Fig. 1 is a structural representation of the present utility model; see also shown in Figure 1; weldable base material 10 of the present utility model includes an aluminium base 12; its material can be aluminium, aluminium alloy, aluminum magnesium alloy or magnalium; have most not atoms of bond key on aluminium base 12 surfaces; each not the bond key be combined with respectively an electronics for and person 14, with as a protective membrane.Wherein, Fig. 1 illustrates the bond relation with diatomic, but in addition, this electronics is for also can be monatomic with the person or the ginseng atom.The utility model is after aluminium base 12 surfaces form protective membrane, and the tin of can burn-oning thereon easily comprises pure tin, slicker solder, no slicker solder, tin alloy.Certainly, before scolding tin, also need go up soldering flux or add soldering flux.
Wherein, above-mentioned electronics supplies to supply and the person for the electronics that contains V family with the person, for example: nitrogen, phosphorus, arsenic, antimony, bismuth; Or the electronics that contains VI family supplies and the person, for example: sulphur, selenium, tellurium, polonium; Or the electronics that contains VII family supplies and the person, for example: fluorine, chlorine, bromine, iodine; Or the electronics that contains two keys or ginseng key supplies and the person, for example: alkenes (Alkene), alkyne series (alkyne), benzene (benzene) or aromatic series (aromatic); Or be that the electronics that contains carboxyl (carboxy) supplies and the person, for example: aldehydes or ketone; Or the electronics that contains hydroxy (OH) supplies and the person.In addition, this electronics is for also comprising organic misfit thing with the person, for example: ethylenediamine tetraacetic acid (EDTA) (EDTA).Or even the electronics of above blending ratio supplies and the person.
As shown in Figure 2; aluminium base 12 surfaces through bond have electronics for person 14 after, the effect of this protective membrane of reason, the directly large-area tin layer 16 that is formed with on weldable base material 10 surfaces; and do not have the problem that is difficult for adhering to, and can reach the effect of whole welding or two-sided welding.
The utility model mainly be utilize electronics for the effect of person (electron donor), can weld tin or other metal materials on the aluminium surface easily, and can adopt general welding technique can finish (being type of heating), easy to operate, cost is low.Moreover, improved the material behavior of aluminium base because of the utility model, make its can be simultaneously with low price, material is light, electroconductibility is good, thermal conductivity is good and the advantage that is easy to weld, quite economically valuable is used more extensive.
More than disclosed only be several specific embodiment of the present utility model, still, the utility model is not limited thereto, any those skilled in the art can think variation all should fall into protection domain of the present utility model.
Claims (14)
1, a kind of weldable base material is characterized in that, comprising: an aluminium base, the not bond atom of described substrate surface are to supply and the person in conjunction with electronics, to form a protective membrane.
2, weldable base material according to claim 1 is characterized in that, can form at least one tin layer on described aluminium base.
3, as weldable base material as described in the claim 2, it is characterized in that described tin layer is pure tin, slicker solder, no slicker solder or tin alloy.
4, weldable base material according to claim 1 is characterized in that described aluminium base is aluminium, aluminium alloy, aluminum magnesium alloy or magnalium.
5, weldable base material according to claim 1 is characterized in that, described electronics for the person be the electronics that contains V family for and the person.
6, weldable base material according to claim 1 is characterized in that, described electronics for the person be the electronics that contains VI family for and the person.
7, weldable base material according to claim 1 is characterized in that, described electronics for the person be the electronics that contains VII family for and the person.
8, weldable base material according to claim 1 is characterized in that, described electronics is for, diatomic monatomic for containing with the person, ginseng atom, or the electronics confession and the person of two key or ginseng key.
9, as weldable base material as described in the claim 8, it is characterized in that, described electronics for the person be alkenes, alkyne series, benzene, aromatic series.
10, weldable base material according to claim 1 is characterized in that, described electronics for the person be carboxylic electronics confession and person.
11, as weldable base material as described in the claim 10, it is characterized in that, described electronics for the person be aldehydes, ketone.
12, weldable base material according to claim 1 is characterized in that, described electronics for the person be the electronics that contains hydroxy for and the person.
13, weldable base material according to claim 1 is characterized in that, described electronics for the person be the supplier of organic compound institute.
14, as weldable base material as described in the claim 13, it is characterized in that described organic compound is an ethylenediamine tetraacetic acid (EDTA).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203058476U CN201176458Y (en) | 2007-11-22 | 2007-11-22 | Weldable aluminium base material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203058476U CN201176458Y (en) | 2007-11-22 | 2007-11-22 | Weldable aluminium base material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201176458Y true CN201176458Y (en) | 2009-01-07 |
Family
ID=40216474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203058476U Expired - Fee Related CN201176458Y (en) | 2007-11-22 | 2007-11-22 | Weldable aluminium base material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201176458Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108436212A (en) * | 2018-06-04 | 2018-08-24 | 哈尔滨沃丁科技开发有限公司 | The welding method of aluminium alloy panel |
-
2007
- 2007-11-22 CN CNU2007203058476U patent/CN201176458Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108436212A (en) * | 2018-06-04 | 2018-08-24 | 哈尔滨沃丁科技开发有限公司 | The welding method of aluminium alloy panel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090107 Termination date: 20101122 |