CN110205612A - A kind of aluminum alloy material surface anticorrosion treatment technology - Google Patents
A kind of aluminum alloy material surface anticorrosion treatment technology Download PDFInfo
- Publication number
- CN110205612A CN110205612A CN201910500745.7A CN201910500745A CN110205612A CN 110205612 A CN110205612 A CN 110205612A CN 201910500745 A CN201910500745 A CN 201910500745A CN 110205612 A CN110205612 A CN 110205612A
- Authority
- CN
- China
- Prior art keywords
- aluminum alloy
- alloy material
- dry
- material surface
- alloy materials
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
- C23C22/07—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 phosphates
- C23C22/08—Orthophosphates
-
- 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
- C23C22/78—Pretreatment of the material to be coated
-
- 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
- C23C22/82—After-treatment
Landscapes
- 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)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention is a kind of aluminum alloy material surface anticorrosion treatment technology, comprising the following steps: (1) dust removal process, (2) grinding process, (3) polishing treatment, (4) oil removal treatment, (5) Passivation Treatment, (6) phosphorating treatment, (7) mopping processing.More thoroughly processing first is carried out to aluminum alloy surface in the present invention, then forms phosphating coat in aluminum alloy surface again, so that the phosphating coat that processing obtains is stronger, not easily to fall off, the varnishing on the outside of obtained phosphating coat improves the glossiness of aluminum alloy surface.
Description
Technical field
The present invention relates to corrosive protection of aluminium alloy technical field more particularly to a kind of aluminum alloy material surface anticorrosion treatment technologies.
Background technique
Aluminium and its alloy have higher application value in metallic element, such as: density is small, light weight, good conductivity
Deng just because of these advantages, aluminium and aluminium alloy are widely used in the industrial production.With the hair of modernization industry
Exhibition requires also be continuously improved to the surface treatment of aluminium and aluminium alloy.It is current for carrying out phosphorating treatment basis to aluminum alloy surface
Relatively conventional one of technology in aluminum alloy material surface processing, has many advantages, such as environmental-friendly, and treatment process is simple, but phosphorus
The phosphorization film quality for changing treated aluminum alloy surface is not high, is usually easy to fall off, and the glossiness of aluminum alloy surface can drop
It is low, it is not beautiful enough.
Summary of the invention
The present invention is directed to provide certain guidance for aluminum alloy material surface anticorrosion process, and provide a kind of aluminum alloy materials
Surface preservative treatment technique.
The present invention to achieve the above object, using following technical scheme: a kind of aluminum alloy material surface anticorrosion treatment technology,
The following steps are included:
(1) aluminum alloy materials: being put into ultrasonic cleaning instrument clean first by dust removal process, then uses deionized water
It is put into after aluminum alloy materials are cleaned in drying box dry；
(2) grinding process: the aluminum alloy materials that step (1) is obtained carry out grinding process to surface using angle grinder, according to
It is secondary to sweep one-time surface with the sand paper dish of 80 mesh, 120 mesh and 320 mesh, the oxide layer of aluminum alloy material surface is polished off, is then spent
Ionized water cleaning, and be put into drying box dry；
(3) polishing treatment: the aluminum alloy materials that step (2) obtains are processed by shot blasting surface using polishing wheel, throw
The peripheral speed of halo is 25-35m/s, is then cleaned with deionized water, dry, and fur fragment is put into roller after dry,
Aluminum alloy materials are put into roller and rotate roller, aluminum alloy material surface is wiped；
(4) oil removal treatment: being put into gasoline in oil removing cylinder, and the aluminum alloy materials that step (3) obtains are put into oil removing cylinder
Stirring, is then cleaned with deionized water, and is put into drying box dry；
(5) Passivation Treatment: it is put into nitric acid and sodium nitrite solution in passivation cylinder, the aluminium for then obtaining step (4) closes
Golden material is put into stirring 30-45min in passivation cylinder and stands 2-3h, then takes out aluminum alloy materials and is cleaned with deionized water, and
It is put into drying box dry；
(6) phosphorating treatment: configuration plating solution first, the solvent of plating solution are water, the composition and its mass fraction contained in plating solution
Respectively, 11.3 parts of sodium hypophosphite, 5.2 parts of citric acid, 2.6 parts of phosphoric acid, 4.5 parts of sodium dihydrogen phosphate, then by above-mentioned plating solution
It is put into kettle, and is put into aluminum alloy materials are obtained in step (5) in kettle, after kettle is sealed, 2h is kept at 180 DEG C, then
Cooled to room temperature, the aluminum alloy materials after phosphatization are cleaned with deionized water, and are put into drying box dry；
(7) mopping is handled: by one layer of varnish of aluminum alloy material surface brush after phosphatization obtained in step (6), and being put into
It is dry in drying box.
Particularly, the ultrasonic cleaning time is 1h in step (1), and water temperature is 45 DEG C.
Particularly, step (1), (2), (3), (4), (5), (6) drying temperature be 80 DEG C, drying time 1h.
Particularly, the drying temperature in step (7) is 60 DEG C, drying time 3h.
Particularly, the wiping time in step (3) is 30min.
The beneficial effects of the present invention are: first carrying out more thoroughly processing to aluminum alloy surface in the present invention, then exist again
Aluminum alloy surface forms phosphating coat, so that the phosphating coat that processing obtains is stronger, it is not easily to fall off, on the outside of obtained phosphating coat
Varnishing improves the glossiness of aluminum alloy surface.
Specific embodiment
Below with reference to embodiment, the invention will be further described:
Specific embodiment 1:
A kind of aluminum alloy material surface anticorrosion treatment technology, comprising the following steps:
(1) aluminum alloy materials: being put into ultrasonic cleaning instrument clean first by dust removal process, then uses deionized water
It is put into after aluminum alloy materials are cleaned in drying box dry；
(2) grinding process: the aluminum alloy materials that step (1) is obtained carry out grinding process to surface using angle grinder, according to
It is secondary to sweep one-time surface with the sand paper dish of 80 mesh, 120 mesh and 320 mesh, the oxide layer of aluminum alloy material surface is polished off, is then spent
Ionized water cleaning, and be put into drying box dry；
(3) polishing treatment: the aluminum alloy materials that step (2) obtains are processed by shot blasting surface using polishing wheel, throw
The peripheral speed of halo is 25m/s, is then cleaned with deionized water, dry, fur fragment is put into roller after dry, by aluminium
Alloy material is put into roller and rotates roller and wipes to aluminum alloy material surface；
(4) oil removal treatment: being put into gasoline in oil removing cylinder, and the aluminum alloy materials that step (3) obtains are put into oil removing cylinder
Stirring, is then cleaned with deionized water, and is put into drying box dry；
(5) Passivation Treatment: it is put into nitric acid and sodium nitrite solution in passivation cylinder, the aluminium for then obtaining step (4) closes
Golden material is put into stirring 30min in passivation cylinder and stands 2h, then takes out aluminum alloy materials and is cleaned with deionized water, and is put into dry
It is dry in dry case；
(6) phosphorating treatment: configuration plating solution first, the solvent of plating solution are water, the composition and its mass fraction contained in plating solution
Respectively, 11.3 parts of sodium hypophosphite, 5.2 parts of citric acid, 2.6 parts of phosphoric acid, 4.5 parts of sodium dihydrogen phosphate, then by above-mentioned plating solution
It is put into kettle, and is put into aluminum alloy materials are obtained in step (5) in kettle, after kettle is sealed, 2h is kept at 180 DEG C, then
Cooled to room temperature, the aluminum alloy materials after phosphatization are cleaned with deionized water, and are put into drying box dry；
(7) mopping is handled: by one layer of varnish of aluminum alloy material surface brush after phosphatization obtained in step (6), and being put into
It is dry in drying box.
Particularly, the ultrasonic cleaning time is 1h in step (1), and water temperature is 45 DEG C.
Particularly, step (1), (2), (3), (4), (5), (6) drying temperature be 80 DEG C, drying time 1h.
Particularly, the drying temperature in step (7) is 60 DEG C, drying time 3h.
Particularly, the wiping time in step (3) is 30min.
Specific embodiment 2:
A kind of aluminum alloy material surface anticorrosion treatment technology, comprising the following steps:
(1) aluminum alloy materials: being put into ultrasonic cleaning instrument clean first by dust removal process, then uses deionized water
It is put into after aluminum alloy materials are cleaned in drying box dry；
(2) grinding process: the aluminum alloy materials that step (1) is obtained carry out grinding process to surface using angle grinder, according to
It is secondary to sweep one-time surface with the sand paper dish of 80 mesh, 120 mesh and 320 mesh, the oxide layer of aluminum alloy material surface is polished off, is then spent
Ionized water cleaning, and be put into drying box dry；
(3) polishing treatment: the aluminum alloy materials that step (2) obtains are processed by shot blasting surface using polishing wheel, throw
The peripheral speed of halo is 35m/s, is then cleaned with deionized water, dry, fur fragment is put into roller after dry, by aluminium
Alloy material is put into roller and rotates roller and wipes to aluminum alloy material surface；
(4) oil removal treatment: being put into gasoline in oil removing cylinder, and the aluminum alloy materials that step (3) obtains are put into oil removing cylinder
Stirring, is then cleaned with deionized water, and is put into drying box dry；
(5) Passivation Treatment: it is put into nitric acid and sodium nitrite solution in passivation cylinder, the aluminium for then obtaining step (4) closes
Golden material is put into stirring 45min in passivation cylinder and stands 2-3h, then takes out aluminum alloy materials and is cleaned with deionized water, and is put into
It is dry in drying box；
(6) phosphorating treatment: configuration plating solution first, the solvent of plating solution are water, the composition and its mass fraction contained in plating solution
Respectively, 11.3 parts of sodium hypophosphite, 5.2 parts of citric acid, 2.6 parts of phosphoric acid, 4.5 parts of sodium dihydrogen phosphate, then by above-mentioned plating solution
It is put into kettle, and is put into aluminum alloy materials are obtained in step (5) in kettle, after kettle is sealed, 2h is kept at 180 DEG C, then
Cooled to room temperature, the aluminum alloy materials after phosphatization are cleaned with deionized water, and are put into drying box dry；
(7) mopping is handled: by one layer of varnish of aluminum alloy material surface brush after phosphatization obtained in step (6), and being put into
It is dry in drying box.
Particularly, the ultrasonic cleaning time is 1h in step (1), and water temperature is 45 DEG C.
Particularly, step (1), (2), (3), (4), (5), (6) drying temperature be 80 DEG C, drying time 1h.
Particularly, the drying temperature in step (7) is 60 DEG C, drying time 3h.
Particularly, the wiping time in step (3) is 30min.
Specific embodiment 3:
A kind of aluminum alloy material surface anticorrosion treatment technology, comprising the following steps:
(1) aluminum alloy materials: being put into ultrasonic cleaning instrument clean first by dust removal process, then uses deionized water
It is put into after aluminum alloy materials are cleaned in drying box dry；
(2) grinding process: the aluminum alloy materials that step (1) is obtained carry out grinding process to surface using angle grinder, according to
It is secondary to sweep one-time surface with the sand paper dish of 80 mesh, 120 mesh and 320 mesh, the oxide layer of aluminum alloy material surface is polished off, is then spent
Ionized water cleaning, and be put into drying box dry；
(3) polishing treatment: the aluminum alloy materials that step (2) obtains are processed by shot blasting surface using polishing wheel, throw
The peripheral speed of halo is 30m/s, is then cleaned with deionized water, dry, fur fragment is put into roller after dry, by aluminium
Alloy material is put into roller and rotates roller and wipes to aluminum alloy material surface；
(4) oil removal treatment: being put into gasoline in oil removing cylinder, and the aluminum alloy materials that step (3) obtains are put into oil removing cylinder
Stirring, is then cleaned with deionized water, and is put into drying box dry；
(5) Passivation Treatment: it is put into nitric acid and sodium nitrite solution in passivation cylinder, the aluminium for then obtaining step (4) closes
Golden material is put into stirring 40min in passivation cylinder and stands 3h, then takes out aluminum alloy materials and is cleaned with deionized water, and is put into dry
It is dry in dry case；
(6) phosphorating treatment: configuration plating solution first, the solvent of plating solution are water, the composition and its mass fraction contained in plating solution
Respectively, 11.3 parts of sodium hypophosphite, 5.2 parts of citric acid, 2.6 parts of phosphoric acid, 4.5 parts of sodium dihydrogen phosphate, then by above-mentioned plating solution
It is put into kettle, and is put into aluminum alloy materials are obtained in step (5) in kettle, after kettle is sealed, 2h is kept at 180 DEG C, then
Cooled to room temperature, the aluminum alloy materials after phosphatization are cleaned with deionized water, and are put into drying box dry；
(7) mopping is handled: by one layer of varnish of aluminum alloy material surface brush after phosphatization obtained in step (6), and being put into
It is dry in drying box.
Particularly, the ultrasonic cleaning time is 1h in step (1), and water temperature is 45 DEG C.
Particularly, step (1), (2), (3), (4), (5), (6) drying temperature be 80 DEG C, drying time 1h.
Particularly, the drying temperature in step (7) is 60 DEG C, drying time 3h.
Particularly, the wiping time in step (3) is 30min.
More thoroughly processing first is carried out to aluminum alloy surface in the present invention, then forms phosphatization in aluminum alloy surface again
Film, so that the phosphating coat that processing obtains is stronger, not easily to fall off, the varnishing on the outside of obtained phosphating coat improves aluminium conjunction
The glossiness of gold surface.
The present invention is exemplarily described above, it is clear that present invention specific implementation is not subject to the restrictions described above,
As long as using the various improvement that the inventive concept and technical scheme of the present invention carry out, or not improved directly apply to other fields
It closes, it is within the scope of the present invention.
Claims (5)
1. a kind of aluminum alloy material surface anticorrosion treatment technology, which comprises the following steps:
(1) aluminum alloy materials: being put into ultrasonic cleaning instrument clean first by dust removal process, then uses deionized water by aluminium
It is put into drying box after alloy material cleaning dry；
(2) grinding process: the aluminum alloy materials that step (1) is obtained carry out grinding process to surface using angle grinder, successively use
The sand paper dish of 80 mesh, 120 mesh and 320 mesh sweeps one-time surface, polishes off the oxide layer of aluminum alloy material surface, then uses deionization
Water cleaning, and be put into drying box dry；
(3) polishing treatment: the aluminum alloy materials that step (2) obtains are processed by shot blasting surface using polishing wheel, polishing wheel
Peripheral speed be 25-35m/s, then cleaned with deionized water, it is dry, fur fragment is put into roller after dry, by aluminium
Alloy material is put into roller and rotates roller and wipes to aluminum alloy material surface；
(4) oil removal treatment: being put into gasoline in oil removing cylinder, and the aluminum alloy materials that step (3) obtains are put into stirring in oil removing cylinder,
Then it is cleaned, and is put into drying box dry with deionized water；
(5) Passivation Treatment: it is put into nitric acid and sodium nitrite solution in passivation cylinder, the aluminium alloy material for then obtaining step (4)
Material is put into stirring 30-45min in passivation cylinder and stands 2-3h, then takes out aluminum alloy materials and is cleaned with deionized water, and is put into
It is dry in drying box；
(6) phosphorating treatment: configuration plating solution first, the solvent of plating solution are water, the composition contained in plating solution and its mass fraction difference
For then above-mentioned plating solution is put by 11.3 parts of sodium hypophosphite, 5.2 parts of citric acid, 2.6 parts of phosphoric acid, 4.5 parts of sodium dihydrogen phosphate
It in kettle, and is put into aluminum alloy materials are obtained in step (5) in kettle, after kettle is sealed, 2h is kept at 180 DEG C, it is then natural
It is cooled to room temperature, the aluminum alloy materials after phosphatization are cleaned with deionized water, and are put into drying box dry；
(7) mopping is handled: by one layer of varnish of aluminum alloy material surface brush after phosphatization obtained in step (6), and being put into drying
It is dry in case.
2. a kind of aluminum alloy material surface anticorrosion treatment technology according to claim 1, which is characterized in that in step (1)
The ultrasonic cleaning time is 1h, and water temperature is 45 DEG C.
3. a kind of aluminum alloy material surface anticorrosion treatment technology according to claim 1, which is characterized in that step (1),
(2), (3), (4), (5), (6) drying temperature be 80 DEG C, drying time 1h.
4. a kind of aluminum alloy material surface anticorrosion treatment technology according to claim 1, which is characterized in that in step (7)
Drying temperature be 60 DEG C, drying time 3h.
5. a kind of aluminum alloy material surface anticorrosion treatment technology according to claim 1, which is characterized in that in step (3)
The wiping time be 30min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910500745.7A CN110205612A (en) | 2019-06-11 | 2019-06-11 | A kind of aluminum alloy material surface anticorrosion treatment technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910500745.7A CN110205612A (en) | 2019-06-11 | 2019-06-11 | A kind of aluminum alloy material surface anticorrosion treatment technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110205612A true CN110205612A (en) | 2019-09-06 |
Family
ID=67791853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910500745.7A Withdrawn CN110205612A (en) | 2019-06-11 | 2019-06-11 | A kind of aluminum alloy material surface anticorrosion treatment technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110205612A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114789365A (en) * | 2022-04-06 | 2022-07-26 | 江苏中川通大科技有限公司 | Alloy surface treatment method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060090818A1 (en) * | 2004-10-29 | 2006-05-04 | General Electric Company | Novel non-chrome metal treatment composition |
| EP1101837B1 (en) * | 1999-11-22 | 2008-01-09 | STMicroelectronics S.r.l. | Moisture corrosion inhibitor layer for Al-alloy metallization layers for electronic devices and corresponding manufacturing method |
| CN101812679A (en) * | 2009-02-20 | 2010-08-25 | 江苏省金鑫安防设备有限公司 | Surface treatment process of steel plate |
| CN105986300A (en) * | 2015-03-03 | 2016-10-05 | 天津友鹏永悦工贸有限公司 | Fixing frame for coating bicycle frames |
| CN107201438A (en) * | 2017-06-21 | 2017-09-26 | 合肥博创机械制造有限公司 | A kind of processing technology of color steel |
-
2019
- 2019-06-11 CN CN201910500745.7A patent/CN110205612A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1101837B1 (en) * | 1999-11-22 | 2008-01-09 | STMicroelectronics S.r.l. | Moisture corrosion inhibitor layer for Al-alloy metallization layers for electronic devices and corresponding manufacturing method |
| US20060090818A1 (en) * | 2004-10-29 | 2006-05-04 | General Electric Company | Novel non-chrome metal treatment composition |
| CN101812679A (en) * | 2009-02-20 | 2010-08-25 | 江苏省金鑫安防设备有限公司 | Surface treatment process of steel plate |
| CN105986300A (en) * | 2015-03-03 | 2016-10-05 | 天津友鹏永悦工贸有限公司 | Fixing frame for coating bicycle frames |
| CN107201438A (en) * | 2017-06-21 | 2017-09-26 | 合肥博创机械制造有限公司 | A kind of processing technology of color steel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114789365A (en) * | 2022-04-06 | 2022-07-26 | 江苏中川通大科技有限公司 | Alloy surface treatment method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103949388B (en) | The coating process of automotive hub | |
| CN102877082B (en) | Wax solvent for cleaning magnesium alloy or aluminum alloy workpiece | |
| WO2015026652A1 (en) | Anti-corrosion coating | |
| CN105964510A (en) | Varnish-baking surface coating technology | |
| CN104762622B (en) | A kind of processing method of corronil tubing surface-brightening | |
| CN102312235B (en) | Aqueous rust-carrying steel surface processing antiseptic | |
| CN105772372A (en) | Anti-corrosion method for heat exchanger | |
| CN109609941A (en) | The corrosion-resistant surface processing method of magnesium alloy | |
| CN103789759A (en) | Aluminum alloy spraying pre-treatment process | |
| CN103934174A (en) | Bathroom hardware surface processing method | |
| CN110205612A (en) | A kind of aluminum alloy material surface anticorrosion treatment technology | |
| CN109321906A (en) | A kind of anticorrosion aluminium material and preparation method thereof | |
| CN108505056A (en) | A kind of highly corrosion resistant surface treatment method | |
| CN107345298A (en) | A kind of processing method of bearing ring part phosphatization | |
| CN109909133A (en) | A kind of rubber wood timber antique effect UV coating construction process | |
| CN107876353A (en) | GIS enamel chemical industry skills | |
| CN106881635A (en) | Handware glossing | |
| CN111020605A (en) | Rust removal process for die | |
| CN105543833A (en) | Phosphating method for aluminum alloy surface | |
| CN102534596A (en) | Process for independently protecting surface of metal piece by adopting silane agent | |
| CN110253414A (en) | A kind of copper product processing polished polishing process | |
| CN109294413A (en) | A kind of door and window aluminium section bar surface powder electrostatic coating method | |
| CN101797722A (en) | Method for removing burr of precision parts by injecting chemical solution at high speed | |
| WO2022033192A1 (en) | Method for preparing metal surface chemical conversion film | |
| CN107159531A (en) | A kind of lacquer spraying technique of auto parts |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190906 |