CN105862018A - Surface treatment technology for corrosion-resistance aluminum alloy material - Google Patents
Surface treatment technology for corrosion-resistance aluminum alloy material Download PDFInfo
- Publication number
- CN105862018A CN105862018A CN201610328841.4A CN201610328841A CN105862018A CN 105862018 A CN105862018 A CN 105862018A CN 201610328841 A CN201610328841 A CN 201610328841A CN 105862018 A CN105862018 A CN 105862018A
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- Prior art keywords
- aluminum alloy
- corrosion
- alloy material
- surface treatment
- resistance
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/24—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds
- C23C22/32—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing hexavalent chromium compounds containing also pulverulent metals
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- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention discloses a surface treatment technology for a corrosion-resistance aluminum alloy material. The surface treatment technology includes the following steps that firstly, acid pickling is conducted on the aluminum alloy material, and a surface oxide layer is removed; a corrosion-resistance coating is arranged on the surface of the aluminum alloy material obtained after the surface oxide layer is removed in a hot-dip coating manner, and the corrosion-resistance coating is formed by mixing zinc powder, nickel powder and chromic acid; and the aluminum alloy material obtained after hot-dip coating is put into a pipeline with the temperature ranging from 150 DEG C to 250 DEG C, heat insulation is conducted for 30 min to 50 min, then the aluminum alloy material is taken out and naturally cooled to the room temperature, and the corrosion-resistance aluminum alloy material is obtained. By means of the above manner, the corrosion-resistance performance, the acid-resistance performance and other performance of the aluminum alloy material can be greatly improved through the surface treatment technology, and the service life of the aluminum alloy material is greatly prolonged.
Description
Technical field
The present invention relates to a kind of process of surface treatment, particularly to the process of surface treatment of a kind of anticorrosion aluminium material.
Background technology
Along with aluminium alloy is with aluminum as matrix element, being subsequently adding the alloy of one or more alloying elements composition, the density of aluminium alloy is low, but strength ratio is higher, and there are excellent electric conductivity, heat conductivity and corrosion stability etc. so that aluminum alloy materials has obtained relatively broad application in every profession and trade.
Along with aluminum alloy materials research is goed deep into, existing aluminum alloy materials kind is more, the performance of various aluminum alloy materials there is also larger difference, and present stage requires scarce higher for the decay resistance of aluminum alloy materials, the decay resistance the most how improving aluminum alloy materials becomes current urgent problem.
Summary of the invention
The technical problem that present invention mainly solves is to provide the process of surface treatment of a kind of anticorrosion aluminium material, it is possible to the performance such as corrosion-resistant, acidproof of aluminum alloy materials is greatly improved, the service life of aluminum alloy materials is greatly improved.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is: provides the process of surface treatment of a kind of anticorrosion aluminium material, comprises the steps:
(1), first to aluminum alloy materials carry out pickling, remove surface oxide layer；
(2) aluminum alloy material surface hot dip one corrosion-resistant finishes, after removing surface oxide layer, described corrosion-resistant finishes is mixed by zinc powder, nikel powder and chromic acid；
(3), by the aluminum alloy materials after hot dip put into temperature be 150-250 DEG C between pipeline, insulation 30-50min after take out, naturally cool to room temperature, obtain anticorrosion aluminium material.
In a preferred embodiment of the present invention, in described step (1), pickling uses concentration to be the salpeter solution of 1.8%.
In a preferred embodiment of the present invention, the hot dip temperature in described step (2) is 200-300 DEG C.
In a preferred embodiment of the present invention, in described corrosion-resistant finishes, the quality proportioning of each composition is particularly as follows: the content of described zinc powder is 60%, and the content of described nikel powder is 25%, and the content of described chromic acid is 15%.
The invention has the beneficial effects as follows: the process of surface treatment of the present invention a kind of anticorrosion aluminium material can be greatly improved the performance such as corrosion-resistant, acidproof of aluminum alloy materials, and the service life of aluminum alloy materials is greatly improved.
Detailed description of the invention
Below presently preferred embodiments of the present invention is described in detail, so that advantages and features of the invention can be easier to be readily appreciated by one skilled in the art, thus protection scope of the present invention is made apparent clear and definite defining.
Embodiments of the invention include:
The process of surface treatment of a kind of anticorrosion aluminium material, comprises the steps:
(1), first to aluminum alloy materials carry out pickling, the salpeter solution of pickle site concentration 1.8%, remove surface oxide layer；
(2), aluminum alloy material surface hot dip one corrosion-resistant finishes after removing surface oxide layer, the temperature of described hot dip is 200-300 DEG C, described corrosion-resistant finishes is mixed by zinc powder, nikel powder and chromic acid, in described corrosion-resistant finishes, the quality proportioning of each composition is particularly as follows: the content of described zinc powder is 60%, the content of described nikel powder is 25%, and the content of described chromic acid is 15%；
(3), by the aluminum alloy materials after hot dip put into temperature be 150-250 DEG C between pipeline, insulation 30-50min after take out, naturally cool to room temperature, obtain anticorrosion aluminium material.
Being different from prior art, the process of surface treatment of the present invention a kind of anticorrosion aluminium material is by using by the way of hot dip corrosion-resistant finishes, it is possible to the performance such as corrosion-resistant, acidproof of aluminum alloy materials is greatly improved, the service life of aluminum alloy materials is greatly improved.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the invention content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in the scope of patent protection of the present invention.
Claims (4)
1. the process of surface treatment of an anticorrosion aluminium material, it is characterised in that comprise the steps:
(1), first to aluminum alloy materials carry out pickling, remove surface oxide layer；
(2) aluminum alloy material surface hot dip one corrosion-resistant finishes, after removing surface oxide layer, described corrosion-resistant finishes is mixed by zinc powder, nikel powder and chromic acid；
(3), by the aluminum alloy materials after hot dip put into temperature be 150-250 DEG C between pipeline, insulation 30-50min after take out, naturally cool to room temperature, obtain anticorrosion aluminium material.
The process of surface treatment of anticorrosion aluminium material the most according to claim 1, is characterised by, in described step (1), pickling uses concentration to be the salpeter solution of 1.8%.
The process of surface treatment of anticorrosion aluminium material the most according to claim 1, it is characterised in that the hot dip temperature in described step (2) is 200-300 DEG C.
The process of surface treatment of anticorrosion aluminium material the most according to claim 1, it is characterized in that, in described corrosion-resistant finishes, the quality proportioning of each composition is particularly as follows: the content of described zinc powder is 60%, and the content of described nikel powder is 25%, and the content of described chromic acid is 15%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610328841.4A CN105862018A (en) | 2016-05-18 | 2016-05-18 | Surface treatment technology for corrosion-resistance aluminum alloy material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610328841.4A CN105862018A (en) | 2016-05-18 | 2016-05-18 | Surface treatment technology for corrosion-resistance aluminum alloy material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105862018A true CN105862018A (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610328841.4A Pending CN105862018A (en) | 2016-05-18 | 2016-05-18 | Surface treatment technology for corrosion-resistance aluminum alloy material |
Country Status (1)
| Country | Link |
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| CN (1) | CN105862018A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106317996A (en) * | 2016-08-26 | 2017-01-11 | 常熟中德重机有限公司 | Surface treatment process of parallel-broken-line multilayer rope winding drum |
| CN112871953A (en) * | 2020-12-24 | 2021-06-01 | 东海县宏巨金属材料有限公司 | Oxide layer removing device for waste aluminum recovery and implementation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1277640A (en) * | 1998-12-01 | 2000-12-20 | 浦项综合制铁株式会社 | Surface-treated steel sheet for fuel tanks and method of fabricating same |
| CN102560309A (en) * | 2012-02-13 | 2012-07-11 | 山东泰丰节能新材料有限公司 | Method for preparing nanometer composite hot galvanizing coat of steel plate |
-
2016
- 2016-05-18 CN CN201610328841.4A patent/CN105862018A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1277640A (en) * | 1998-12-01 | 2000-12-20 | 浦项综合制铁株式会社 | Surface-treated steel sheet for fuel tanks and method of fabricating same |
| CN102560309A (en) * | 2012-02-13 | 2012-07-11 | 山东泰丰节能新材料有限公司 | Method for preparing nanometer composite hot galvanizing coat of steel plate |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106317996A (en) * | 2016-08-26 | 2017-01-11 | 常熟中德重机有限公司 | Surface treatment process of parallel-broken-line multilayer rope winding drum |
| CN106317996B (en) * | 2016-08-26 | 2019-10-22 | 常熟中德重机有限公司 | A kind of process of surface treatment of parallel fold lines multilayer around rope reel |
| CN112871953A (en) * | 2020-12-24 | 2021-06-01 | 东海县宏巨金属材料有限公司 | Oxide layer removing device for waste aluminum recovery and implementation method thereof |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160817 |