CN105002542A - Aluminum or aluminum alloy surface nanoscale treatment process - Google Patents
Aluminum or aluminum alloy surface nanoscale treatment process Download PDFInfo
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- CN105002542A CN105002542A CN201510425672.1A CN201510425672A CN105002542A CN 105002542 A CN105002542 A CN 105002542A CN 201510425672 A CN201510425672 A CN 201510425672A CN 105002542 A CN105002542 A CN 105002542A
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Abstract
The invention provides an aluminum or aluminum alloy surface nanoscale treatment process. The aluminum or aluminum alloy surface nanoscale treatment process includes the following steps that firstly, aluminum or aluminum alloy is placed in a sulfuric acid solution with the 190 g/L concentration, temperature is kept at 18-22 DEG C, voltage is kept at 17.5 V, and oxidation is conducted for 12-15 minutes; secondly, washing is conducted twice; thirdly, the aluminum or aluminum alloy is placed in a stain remover with the 160 ml/L concentration and the 9-11 PH and immersed for 5-7 minutes at normal temperature; fourthly, washing is conducted twice; fifthly, the aluminum or aluminum alloy is placed in a pore-expanding agent with the 400 ml/l concentration and the 9-11 PH and immersed for 5-7 minutes at normal temperature; sixthly, washing is conducted twice; seventhly, the aluminum or aluminum alloy is placed in a binding agent with the 300 ml/L concentration and the 9-11 PH and immersed for 5-7 minutes at normal temperature; eighthly, washing is conducted twice; and ninthly, the aluminum or aluminum alloy is dried for 10 minutes at the temperature of 65 DEG C. Surface pores of the prepared aluminum or aluminum alloy are uniform, and excellent micro-pore-expanding property and strong viscosity are achieved. When the aluminum or aluminum alloy prepared through the process is subjected to a next injection molding procedure, the binding force of the aluminum or aluminum alloy and plastic particles is extremely strong, firmness is greatly improved, and the drawing force is strong.
Description
Technical field
The present invention relates to technical field of material surface treatment, especially a kind of aluminum or aluminum alloy nano surface level treatment process.
Background technology
In recent years in the development of levels of metal matrix material, aluminum or aluminum alloy matrix material has lightweight, that thermal expansion is little, thermostability is high, the excellent feature such as conduction, heat conduction makes it obtain developing particularly rapidly.
And in order to provide the bonding strength of aluminum or aluminum alloy surface attachments, usually need to process its surface, traditional way adopts phosphatization, the mode of passivation, by the method for chemical solution immersion treatment, metallic surface is corroded, not only reach and metallic surface to be protected but also effects on surface goes out good fortune to improve the object of nano level aluminum or aluminum alloy and dirt settling bonding strength, the uneven surface that these methods obtain is uneven irregular, only be applicable to madder simple protection, its surface of aluminum or aluminum alloy after this method process is lower with dirt settling bonding strength, less robust, drawing force is not high.
Therefore, prior art needs to be improved and improves.
Summary of the invention
For the deficiencies in the prior art part, the object of this invention is to provide a kind of aluminum or aluminum alloy nano surface level treatment process.
For achieving the above object, the technical solution adopted in the present invention is:
A kind of aluminum or aluminum alloy nano surface level treatment process, comprises the following steps:
One, being put into by aluminum or aluminum alloy containing concentration is the sulphuric acid soln of 190g/L, and temperature keeps 18-22 DEG C, and be oxidized 12-15 minute under voltage 17.5V, the oxide thickness wherein on nano level aluminum or aluminum alloy must not more than 10u;
Two, aluminum or aluminum alloy step one obtained is through twice washing;
Three, the aluminum or aluminum alloy that step 2 obtains being put into concentration is in the stain remover of 160ml/L, PH9-11, soaks 5-7 minute at normal temperatures;
Four, aluminum or aluminum alloy step 3 obtained is through twice washing;
Five, the aluminum or aluminum alloy that step 4 obtains being put into concentration is in the expanding agent of 400ml/L, PH9-11, soaks 5-7 minute at normal temperatures;
Six, aluminum or aluminum alloy step 5 obtained is through twice washing;
Seven, the aluminum or aluminum alloy that step 6 obtains being put into concentration is in the binding agent of 300ml/L, PH9-11, soaks 5-7 minute at normal temperatures;
Eight, aluminum or aluminum alloy step 7 obtained is through twice washing;
Nine, aluminum or aluminum alloy step 8 obtained is dried 10 minutes at 65 DEG C.
Preferably, described stain remover is the mixture of female powder, 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid sodium, trolamine, Trisodium Citrate, metasilicate pentahydrate sodium, urotropine, oxysuccinic acid, sodium lauryl sulphate, and all the other are water.
Preferably, described expanding agent is the mixture of tetrasodium ethylenediamine tetraacetate, sodium acetate, sodium carbonate, oxysuccinic acid, sodium lauryl sulphate, and all the other are water.
Preferably, described binding agent is the mixture of tetrasodium ethylenediamine tetraacetate, metasilicate pentahydrate sodium, sodium carbonate, polyvinyl alcohol, disodium ethylene diamine tetraacetate, and all the other are water.
The surface pore of the nano level aluminum or aluminum alloy that the present invention makes is even, has excellent micro-reaming and strong viscosity.The aluminum or aluminum alloy made through above-mentioned technique is carrying out next step injection step, and the bonding force of itself and plastic pellet is extremely strong, and soundness promotes greatly, and drawing force is high.
Embodiment
In following described embodiment, if no special instructions, under normal temperature, generally refer to 0-35 DEG C.
The present invention is described in further detail to provide embodiment below:
Embodiment 1: a kind of aluminum or aluminum alloy nano surface level treatment process, comprises the following steps:
One, being put into by aluminum or aluminum alloy containing concentration is the sulphuric acid soln of 190g/L, and temperature keeps 20 DEG C, and be oxidized 14 minutes under voltage 17.5V, the oxide thickness wherein on nano level aluminum or aluminum alloy is 8u;
Two, aluminum or aluminum alloy step one obtained is through twice washing;
Three, the aluminum or aluminum alloy that step 2 obtains being put into concentration is 160ml/L, in the stain remover of PH10, soak 6 minutes at normal temperatures, described stain remover is the mixture of female powder, 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid sodium, trolamine, Trisodium Citrate, metasilicate pentahydrate sodium, urotropine, oxysuccinic acid, sodium lauryl sulphate, and all the other are water;
Four, aluminum or aluminum alloy step 3 obtained is through twice washing;
Five, the aluminum or aluminum alloy that step 4 obtains being put into concentration is 400ml/L, in the expanding agent of PH10, soak 6 minutes at normal temperatures, described expanding agent is the mixture of tetrasodium ethylenediamine tetraacetate, sodium acetate, sodium carbonate, oxysuccinic acid, sodium lauryl sulphate, and all the other are water;
Six, aluminum or aluminum alloy step 5 obtained is through twice washing;
Seven, the aluminum or aluminum alloy that step 6 obtains being put into concentration is 300ml/L, in the binding agent of PH10, soak 6 minutes at normal temperatures, described binding agent is the mixture of tetrasodium ethylenediamine tetraacetate, metasilicate pentahydrate sodium, sodium carbonate, polyvinyl alcohol, disodium ethylene diamine tetraacetate, and all the other are water;
Eight, aluminum or aluminum alloy step 7 obtained is through twice washing;
Nine, aluminum or aluminum alloy step 8 obtained is dried 10 minutes at 65 DEG C.
Implement 2: a kind of aluminum or aluminum alloy nano surface level treatment process, comprises the following steps:
One, being put into by aluminum or aluminum alloy containing concentration is the sulphuric acid soln of 190g/L, and temperature keeps 22 DEG C, and be oxidized 15 minutes under voltage 17.5V, the oxide thickness wherein on nano level aluminum or aluminum alloy is 9u;
Two, nano level aluminum or aluminum alloy step one obtained is through twice washing;
Three, the aluminum or aluminum alloy that step 2 obtains being put into concentration is 160ml/L, in the stain remover of PH11, soak 7 minutes at normal temperatures, described stain remover is the mixture of female powder, 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid sodium, trolamine, Trisodium Citrate, metasilicate pentahydrate sodium, urotropine, oxysuccinic acid, sodium lauryl sulphate, and all the other are water;
Four, aluminum or aluminum alloy step 3 obtained is through twice washing;
Five, the aluminum or aluminum alloy that step 4 obtains being put into concentration is 400ml/L, in the expanding agent of PH11, soak 7 minutes at normal temperatures, state the mixture that expanding agent is tetrasodium ethylenediamine tetraacetate, sodium acetate, sodium carbonate, oxysuccinic acid, sodium lauryl sulphate, all the other are water;
Six, aluminum or aluminum alloy step 5 obtained is through twice washing;
Seven, the aluminum or aluminum alloy that step 6 obtains being put into concentration is 300ml/L, in the binding agent of PH11, soak 7 minutes at normal temperatures, described binding agent is the mixture of tetrasodium ethylenediamine tetraacetate, metasilicate pentahydrate sodium, sodium carbonate, polyvinyl alcohol, disodium ethylene diamine tetraacetate, and all the other are water;
Eight, aluminum or aluminum alloy step 7 obtained is through twice washing;
Nine, aluminum or aluminum alloy step 8 obtained is dried 10 minutes at 65 DEG C.
Make aluminum or aluminum alloy through above-described embodiment, its surface is extremely strong with the bonding strength of dirt settling, and soundness promotes greatly, and drawing force is up to 3400N/ ㎝
2.
Claims (4)
1. an aluminum or aluminum alloy nano surface level treatment process, is characterized in that, comprise the following steps:
One, being put into by aluminum or aluminum alloy containing concentration is the sulphuric acid soln of 190g/L, and temperature keeps 18-22 DEG C, and be oxidized 12-15 minute under voltage 17.5V, the oxide thickness wherein on nano level aluminum or aluminum alloy must not more than 10u;
Two, aluminum or aluminum alloy step one obtained is through twice washing;
Three, the aluminum or aluminum alloy that step 2 obtains being put into concentration is in the stain remover of 160ml/L, PH9-11, soaks 5-7 minute at normal temperatures;
Four, aluminum or aluminum alloy step 3 obtained is through twice washing;
Five, the aluminum or aluminum alloy that step 4 obtains being put into concentration is in the expanding agent of 400ml/L, PH9-11, soaks 5-7 minute at normal temperatures;
Six, aluminum or aluminum alloy step 5 obtained is through twice washing;
Seven, the aluminum or aluminum alloy that step 6 obtains being put into concentration is in the binding agent of 300ml/L, PH9-11, soaks 5-7 minute at normal temperatures;
Eight, aluminum or aluminum alloy step 7 obtained is through twice washing;
Nine, aluminum or aluminum alloy step 8 obtained is dried 10 minutes at 65 DEG C.
2. aluminum or aluminum alloy nano surface level treatment process as claimed in claim 1, it is characterized in that, described stain remover is the mixture of female powder, 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid sodium, trolamine, Trisodium Citrate, metasilicate pentahydrate sodium, urotropine, oxysuccinic acid, sodium lauryl sulphate, and all the other are water.
3. aluminum or aluminum alloy nano surface level treatment process as claimed in claim 1, it is characterized in that, described expanding agent is the mixture of tetrasodium ethylenediamine tetraacetate, sodium acetate, sodium carbonate, oxysuccinic acid, sodium lauryl sulphate, and all the other are water.
4. aluminum or aluminum alloy nano surface level treatment process as claimed in claim 1, it is characterized in that, described binding agent is the mixture of tetrasodium ethylenediamine tetraacetate, metasilicate pentahydrate sodium, sodium carbonate, polyvinyl alcohol, disodium ethylene diamine tetraacetate, and all the other are water.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510425672.1A CN105002542A (en) | 2015-07-20 | 2015-07-20 | Aluminum or aluminum alloy surface nanoscale treatment process |
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| CN201510425672.1A CN105002542A (en) | 2015-07-20 | 2015-07-20 | Aluminum or aluminum alloy surface nanoscale treatment process |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106435590A (en) * | 2016-09-28 | 2017-02-22 | 东莞市米纳德金属表面处理材料有限公司 | Stainless steel surface nanoscale treatment technology |
| CN106757094A (en) * | 2016-12-07 | 2017-05-31 | 江西瑞思博化工有限公司 | Aluminum mobile phone battery cover whitens agent and preparation method thereof |
| CN106995933A (en) * | 2017-05-23 | 2017-08-01 | 四川爱斯兰特门窗科技有限公司 | Effectively combine the production technology of aluminium and plastics |
| CN107034507A (en) * | 2016-12-20 | 2017-08-11 | 深圳市新合富力科技有限公司 | 7 series alloys process of surface treatment |
| CN110983405A (en) * | 2019-11-20 | 2020-04-10 | 福建永强力加动力设备有限公司 | Treating agent applied to internal metal parts of internal combustion engine and preparation method thereof |
| CN111455428A (en) * | 2019-12-27 | 2020-07-28 | 重庆会通科技有限公司 | Aluminum alloy micro-pore-expanding agent and surface treatment method of aluminum alloy material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03226592A (en) * | 1990-01-30 | 1991-10-07 | Asahi Tec Corp | Aluminum product and its production |
| CN103451701A (en) * | 2012-05-28 | 2013-12-18 | 比亚迪股份有限公司 | Surface treated metal and surface treatment method thereof and metal resin complex and preparation method of metal resin complex |
-
2015
- 2015-07-20 CN CN201510425672.1A patent/CN105002542A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03226592A (en) * | 1990-01-30 | 1991-10-07 | Asahi Tec Corp | Aluminum product and its production |
| CN103451701A (en) * | 2012-05-28 | 2013-12-18 | 比亚迪股份有限公司 | Surface treated metal and surface treatment method thereof and metal resin complex and preparation method of metal resin complex |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106435590A (en) * | 2016-09-28 | 2017-02-22 | 东莞市米纳德金属表面处理材料有限公司 | Stainless steel surface nanoscale treatment technology |
| CN106757094A (en) * | 2016-12-07 | 2017-05-31 | 江西瑞思博化工有限公司 | Aluminum mobile phone battery cover whitens agent and preparation method thereof |
| CN107034507A (en) * | 2016-12-20 | 2017-08-11 | 深圳市新合富力科技有限公司 | 7 series alloys process of surface treatment |
| CN106995933A (en) * | 2017-05-23 | 2017-08-01 | 四川爱斯兰特门窗科技有限公司 | Effectively combine the production technology of aluminium and plastics |
| CN110983405A (en) * | 2019-11-20 | 2020-04-10 | 福建永强力加动力设备有限公司 | Treating agent applied to internal metal parts of internal combustion engine and preparation method thereof |
| CN111455428A (en) * | 2019-12-27 | 2020-07-28 | 重庆会通科技有限公司 | Aluminum alloy micro-pore-expanding agent and surface treatment method of aluminum alloy material |
| CN111455428B (en) * | 2019-12-27 | 2022-01-21 | 重庆会通科技有限公司 | Aluminum alloy micro-pore-expanding agent and surface treatment method of aluminum alloy material |
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Application publication date: 20151028 |