CN106868484A - High heat conduction aluminum alloy material surface processing method - Google Patents
High heat conduction aluminum alloy material surface processing method Download PDFInfo
- Publication number
- CN106868484A CN106868484A CN201710040693.0A CN201710040693A CN106868484A CN 106868484 A CN106868484 A CN 106868484A CN 201710040693 A CN201710040693 A CN 201710040693A CN 106868484 A CN106868484 A CN 106868484A
- Authority
- CN
- China
- Prior art keywords
- aluminium alloy
- seconds
- rinsing bowl
- degree
- lifting
- 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.)
- Pending
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
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/12—Light metals
- C23G1/125—Light metals aluminium
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
- C23G1/22—Light metals
-
- 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
- C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
- C23C2222/10—Use of solutions containing trivalent chromium but free of hexavalent chromium
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (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)
Abstract
A kind of high heat conduction aluminum alloy material surface processing method, comprises the following steps：（1）Upper extension；（2）Alkali cleaning and washing；Aluminium alloy is put into after being soaked 30 60 seconds in alkaline bath and lifted, placed into after lifting in rinsing bowl, taken out after carrying 25 times up and down in rinsing bowl；（3）Oil removing and washing：Aluminium alloy is put into after being soaked 120 180 seconds in degreasing tank and lifted, be put into rinsing bowl after lifting, taken out after carrying 25 times up and down in rinsing bowl；（4）Environmental protection bleaching；Aluminium alloy is put into environmentally friendly bleaching cistern, is lifted after being soaked 40 120 seconds in environmentally friendly bleaching cistern；（5）Dedusting；Aluminium alloy is put into after being soaked 10 40 seconds in ash-pit and lifted, placed into after lifting in rinsing bowl, taken out after carrying 25 times up and down in rinsing bowl；（6）Trivalent chromium passivation；Aluminium alloy is put into trivalent chromium passivation groove and is soaked；（7）Baking；Aluminium alloy is put into baking box baking；The present invention has the more preferable advantage of resistant to elevated temperatures, salt spray resistance.
Description
Technical field
The present invention relates to the technical field of surface of alloy, especially high heat conduction aluminum alloy material surface processing method.
Background technology
Aluminium alloy is inevitably oxidized during various heat treatments, machining, transport and keeping, produces
The uneven oxide layer of a raw thickness, meanwhile, various oil pollutions and some other impurity of absorption are also easily subject to, therefore in life
, it is necessary to process the surface of aluminium alloy, at present, main method is by surface to aluminum alloy surface in product manufacturing process
Treatment liquid medicine treatment carrys out the oxidation of impedance material surface, but in the application, existing surface treatment liquid medicine handling process is also deposited
There is problems with：1st, have that die casting density is bad, there is stomata on surface in itself due to magnesium alloy, crossed surface treatment liquid medicine it
Afterwards, the salt spray resistance of aluminium alloy and resistance to overlength delay antioxygenic property all cannot normally ensure；2nd, in process of surface treatment,
Existing passivation liquid medicine non-refractory, surface skin membrane easily ruptures under the high temperature conditions, and during plated film, passivation
Time is too short to cause salt spray resistance poor, so as to influence salt resistance fog effect, passivation time is long, can cause surface skin membrane
Turn blue, influence the outward appearance of aluminium alloy.
The content of the invention
In order to overcome above mentioned problem, the present invention to provide a kind of resistant to elevated temperatures, salt spray resistance more preferable high heat conduction to society
Aluminum alloy material surface processing method.
The technical scheme is that：A kind of high heat conduction aluminum alloy material surface processing method is provided, is comprised the following steps：
（1）Upper extension；Classified and carried out mark, upper extension to aluminium alloy；
（2）Alkali cleaning and washing；Aluminium alloy is put into alkali and takes off agent content for 8-12%, free alkalinity are that 40 degree of -50 degree, temperature are 40
Immersion lifts after 30-60 second in DEG C -50 DEG C of alkaline bath, during stop places into rinsing bowl for 2-5 seconds after lifting, in the rinsing bowl on
Under carry and take out after 2-5 times；
（3）Oil removing and washing：Aluminium alloy is put into cleaning agent content to be soaked in 8%-12%, the degreasing tank that temperature is 75 DEG C -85 DEG C
Bubble lifts after 120-180 seconds, during stop places into rinsing bowl for 2-5 seconds after lifting, is taken after carrying 2-5 times up and down in rinsing bowl
Go out；
（4）Environmental protection bleaching；It is that 300 degree of -400 degree, temperature are 5 DEG C -15 DEG C and are contained in environmentally friendly bleaching that aluminium alloy is put into acidity
In bleaching agent stoste in groove, lift after being soaked 40-120 seconds in environmentally friendly bleaching cistern；
（5）Dedusting；It is that 1500 degree of -1600 degree, temperature are 5 DEG C -15 DEG C and are contained in ash-pit that aluminium alloy is put into acidity
In dedusting agent stoste, lift after going to be soaked 10-40 seconds in ash-pit, during stop places into rinsing bowl for 2-5 seconds after lifting, washing
Taken out after carrying 2-5 times in groove up and down；
（6）Trivalent chromium passivation；By aluminium alloy be put into trivalent chromium passivation agent content for 8%-12%, pH be 4-4.5, temperature be 15 DEG C-
Immersion lifts after 80-120 second in 25 DEG C of trivalent chromium passivation groove, during stop places into rinsing bowl for 2-5 seconds after lifting, in rinsing bowl
In carry up and down and take out after 2-5 times；
（7）Baking；Aluminium alloy is put into baking box, is toasted 10-18 minutes under the conditions of 140 DEG C -160 DEG C.
As improvement of the present invention, the step（2）Alkali cleaning and washing can be processed with aluminium deoxidation and replaced：By aluminium alloy
Aluminium deoxidizer content is put into for 8-12%, acidity are 25 degree of -45 degree, the interior immersion 60-180 of aluminium deoxidation groove that temperature is 15 DEG C -25 DEG C
Lift after second, during stop places into rinsing bowl for 2-5 seconds after lifting, taken out after carrying 2-5 times up and down in rinsing bowl.
As improvement of the present invention, also comprise the following steps：
（8）Full inspection is packed；To be hung under aluminium alloy, full inspection, packaging.
The present invention has carried out the treatment of multiple steps due to the surface to aluminium alloy, in particular by trivalent chromium passivation
Agent is passivated so that the resistance to elevated temperatures of the sample after processed by the invention is more preferable, while salt spray resistance can also be guaranteed；Cause
This, the present invention has the more preferable advantage of resistant to elevated temperatures, salt spray resistance.
Brief description of the drawings
Shown in Fig. 1 be one embodiment of the present invention process chart.
Specific embodiment
In the description of the invention, it is to be understood that " " center ", " on " in term, D score, "front", "rear", " left side ",
The orientation or position relationship of instructions such as " right sides " are, based on orientation shown in the drawings or position relationship, to be for only for ease of and describe this hair
Bright and simplified description, must be with specific orientation, with specific orientation rather than the device or element for indicating or imply meaning
Construction and operation, therefore be not considered as limiting the invention.Additionally, term " first ", " second " are only used for describing purpose,
And it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " company
Connect ", " connected " should be interpreted broadly, for example, it may be being fixedly connected, or dismantling connection, or be integrally connected；Can be with
It is to mechanically connect, or electrically connect；Can be joined directly together, or be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
The concrete meaning of invention.Additionally, in the description of the invention, unless otherwise indicated, " multiple ", " some " be meant that two or
Two or more.
Referring first to Fig. 1, Fig. 1 is a kind of process chart of the implementation method in the present invention.
Embodiment 1
A kind of high heat conduction aluminum alloy material surface processing method, comprises the following steps：
（1）Upper extension；Classified and carried out mark to aluminium alloy, upper extension is often hung 9 and gone here and there, often string 30-40 parts；
（2）Alkali cleaning and washing；It is the alkali cleaning that 8%, free alkalinity is 40 degree, temperature is 40 DEG C that aluminium alloy is put into the de- agent content of alkali
Immersion lifts after 30 seconds in groove, is stopped 2 seconds after lifting, and preferably places into water after the tank liquor that aluminium alloy takes up falls into alkaline bath
In washing trough, taken out after carrying 2 times up and down in rinsing bowl by aluminium alloy, in the present embodiment, the de- agent of the alkali is that conventional alkali takes off
Agent, such as HCX-356B alkali take off agent, belong to prior art, commercially available on the market, no longer repeat one by one herein；
（3）Oil removing and washing：It is in degreasing tank that 8%, temperature is 75 DEG C after immersion 120 seconds that aluminium alloy is put into cleaning agent content
Lift, during stop places into rinsing bowl for 2 seconds after lifting, preferably place into water after the tank liquor that aluminium alloy takes up falls into degreasing tank
In washing trough, taken out after carrying 2 times up and down in rinsing bowl by aluminium alloy, in the present embodiment, that the cleaning agent is selected is GU-
116 cleaning agents, or GU-114 cleaning agents, both cleaning agents are all commercially available on the market, are no longer repeated one by one herein；
（4）Environmental protection bleaching；Aluminium alloy is put into the bleaching agent being contained in environmentally friendly bleaching cistern that acidity is 300 degree, temperature is 5 DEG C
In stoste, immersion lifts after 40 seconds in the environmentally friendly bleaching cistern, treats that tank liquor that aluminium alloy takes up falls into environmentally friendly bleaching cistern inside groove laggard
Row next process；
（5）Dedusting；Aluminium alloy is put into the dedusting agent stoste being contained in ash-pit that acidity is 1500 degree, temperature is 5 DEG C,
Lift after going to be soaked 10 seconds in ash-pit, stopped after lifting in placing within 2 seconds rinsing bowl, after carrying 2 times up and down in rinsing bowl
Take out；
（6）Trivalent chromium passivation；It is that 8%, pH is that the trivalent chromium that 4, temperature is 15 DEG C is blunt that aluminium alloy is put into trivalent chromium passivation agent content
Change immersion in groove to lift after 80 seconds, during stop places into rinsing bowl for 2 seconds after lifting, preferably treat that the tank liquor that aluminium alloy takes up falls into
Placed into after trivalent chromium passivation groove in rinsing bowl, taken out after carrying 2 times up and down in rinsing bowl by aluminium alloy, in the present embodiment,
What the trivalent chromium passivator was selected is GU-604 passivator, and GU-604 passivator is commercially available on the market；
（7）Baking；Aluminium alloy is put into baking box, is toasted 10 minutes under the conditions of 140 DEG C.
In the present invention, the step（2）Alkali cleaning and washing can be processed with aluminium deoxidation and replaced：Aluminium alloy is put into aluminium deoxidation
Agent content is that immersion lifts after 60 seconds in 8%, acidity is 25 degree, temperature is 15 DEG C aluminium deoxidation groove, is stopped after lifting and put again for 2 seconds
Enter in rinsing bowl, taken out after carrying 2 times up and down in rinsing bowl.
In the present invention, also comprise the following steps：
（8）Full inspection is packed；Aluminium alloy is removed from hanger, being placed in full inspection table top carries out full inspection, and non-defective unit is loaded into packing case
Middle packaging, defective products is fitted into defective product box, and rower of going forward side by side shows isolation.
Embodiment 2
A kind of high heat conduction aluminum alloy material surface processing method, comprises the following steps：
（1）Upper extension；Classified and carried out mark to aluminium alloy, upper extension is often hung 9 and gone here and there, often string 30-40 parts；
（2）Alkali cleaning and washing；It is the alkali cleaning that 12%, free alkalinity is 50 degree, temperature is 50 DEG C that aluminium alloy is put into the de- agent content of alkali
Immersion lifts after 60 seconds in groove, is stopped 5 seconds after lifting, and preferably places into water after the tank liquor that aluminium alloy takes up falls into alkaline bath
In washing trough, taken out after carrying 5 times up and down in rinsing bowl by aluminium alloy, in the present embodiment, the de- agent of the alkali is that conventional alkali takes off
Agent, such as HCX-356B alkali take off agent, belong to prior art, commercially available on the market, no longer repeat one by one herein；
（3）Oil removing and washing：It is in degreasing tank that 12%, temperature is 85 DEG C after immersion 180 seconds that aluminium alloy is put into cleaning agent content
Lift, during stop places into rinsing bowl for 5 seconds after lifting, preferably place into water after the tank liquor that aluminium alloy takes up falls into degreasing tank
In washing trough, taken out after carrying 5 times up and down in rinsing bowl by aluminium alloy, in the present embodiment, that the cleaning agent is selected is GU-
116 cleaning agents, or GU-114 cleaning agents, both cleaning agents are all commercially available on the market, are no longer repeated one by one herein；
（4）Environmental protection bleaching；Aluminium alloy is put into the bleaching being contained in environmentally friendly bleaching cistern that acidity is 400 degree, temperature is 15 DEG C
In agent stoste, lift after being soaked 120 seconds in environmentally friendly bleaching cistern, after the tank liquor that aluminium alloy takes up falls into environmentally friendly bleaching cistern inside groove
Carry out next process；
（5）Dedusting；Aluminium alloy is put into the dedusting agent stoste being contained in ash-pit that acidity is 1600 degree, temperature is 15 DEG C
In, lift after going to be soaked 40 seconds in ash-pit, during stop places into rinsing bowl for 5 seconds after lifting, carry up and down in rinsing bowl 5 times
After take out；
（6）Trivalent chromium passivation；It is that 12%, pH is trivalent that 4.5, temperature is 25 DEG C that aluminium alloy is put into trivalent chromium passivation agent content
Immersion lifts after 120 seconds in chromium passivating groove, during stop places into rinsing bowl for 5 seconds after lifting, preferably treats the groove that aluminium alloy takes up
Liquid is fallen into after trivalent chromium passivation groove in placing into rinsing bowl, is taken out after carrying 5 times up and down in rinsing bowl by aluminium alloy, this implementation
In example, what the trivalent chromium passivator was selected is GU-604 passivator, and GU-604 passivator is commercially available on the market；
（7）Baking；Aluminium alloy is put into baking box, is toasted 18 minutes under the conditions of 160 DEG C.
In the present invention, the step（2）Alkali cleaning and washing can be processed with aluminium deoxidation and replaced：Aluminium alloy is put into aluminium deoxidation
Agent content is that immersion lifts after 180 seconds in 12%, acidity is 45 degree, temperature is 25 DEG C aluminium deoxidation groove, and 5 seconds are stopped after lifting again
It is put into rinsing bowl, is taken out after carrying 5 times up and down in rinsing bowl.
In the present invention, also comprise the following steps：
（8）Full inspection is packed；Aluminium alloy is removed from hanger, being placed in full inspection table top carries out full inspection, and non-defective unit is loaded into packing case
Middle packaging, defective products is fitted into defective product box, and rower of going forward side by side shows isolation.
Experiment
Aluminium alloy after being processed through embodiment 1 and the operation of embodiment 2 carries out salt spray resistance test and resistance to elevated temperatures is tested.
First, high temperature resistant experiment.
The sample and control sample 1 that are processed through embodiment 1, embodiment 2 are placed in high-temperature baking case and are tested, adjusted
The temperature of baking box is saved, sample is observed, the skin covering of the surface for recording sample starts the temperature for rupture occur, test result such as table 1 below.
Test result analysis：As shown in Table 1, the skin covering of the surface of the sample of embodiment 1 and the sample of embodiment 2 starts rupture occur
Temperature will be significantly larger than control sample 1, it is seen then that relative to control sample 1, by the sample of embodiment 1 of PROCESS FOR TREATMENT of the invention
The resistance to elevated temperatures of product and the sample of embodiment 2 is more preferable.
2nd, salt spray resistance test
The sample and control sample 2 that are processed through embodiment 1, embodiment 2 are placed in salt spray test chamber and are tested, 35
DEG C, at identical conditions through identical experimental liquid-artificial sea water continuously to the sample of embodiment 1, the sample of embodiment 2 and control
Sample 2 carries out spraying 20h, then observes embodiment 1, embodiment 2 and control sample 2, and the phenomenon that will be observed is recorded in table 3.
The formula of artificial sea water is as shown in table 2 below
The test specimen corrosion phenomenon of table 3 is recorded：
Test result analysis：
As seen from the above table, on the whole, the sample of embodiment 1 and the sample of embodiment 2 occur corrosion phenomenon time will than control
Sample 2 is slow, that is, embodiment 1 and the sample of embodiment 2 are more resistant to corrosion；It is existing that corrosion occur in the sample of embodiment 1 and the sample of embodiment 2
As rear, the degree of corrosion is also lighter than control sample 2, it is seen then that relative to control sample 2, the sample of embodiment 1 in the present invention and
The ability of the samples against corrosion of embodiment 2 is stronger, i.e., salt spray resistance is more preferable.
Control sample 1 and control sample 2 are all the aluminium alloys processed through process of surface treatment of the prior art, can be
Buy on the market.
Claims (3)
1. a kind of high heat conduction aluminum alloy material surface processing method, it is characterised in that：Comprise the following steps：
（1）Upper extension；Classified and carried out mark, upper extension to aluminium alloy；
（2）Alkali cleaning and washing；Aluminium alloy is put into alkali and takes off agent content for 8-12%, free alkalinity are that 40 degree of -50 degree, temperature are 40
Immersion lifts after 30-60 second in DEG C -50 DEG C of alkaline bath, during stop places into rinsing bowl for 2-5 seconds after lifting, in the rinsing bowl on
Under carry and take out after 2-5 times；
（3）Oil removing and washing：Aluminium alloy is put into cleaning agent content to be soaked in 8%-12%, the degreasing tank that temperature is 75 DEG C -85 DEG C
Bubble lifts after 120-180 seconds, during stop places into rinsing bowl for 2-5 seconds after lifting, is taken after carrying 2-5 times up and down in rinsing bowl
Go out；
（4）Environmental protection bleaching；It is that 300 degree of -400 degree, temperature are 5 DEG C -15 DEG C and are contained in environmentally friendly bleaching that aluminium alloy is put into acidity
In bleaching agent stoste in groove, lift after being soaked 40-120 seconds in environmentally friendly bleaching cistern；
（5）Dedusting；It is that 1500 degree of -1600 degree, temperature are 5 DEG C -15 DEG C and are contained in ash-pit that aluminium alloy is put into acidity
In dedusting agent stoste, lift after going to be soaked 10-40 seconds in ash-pit, during stop places into rinsing bowl for 2-5 seconds after lifting, washing
Taken out after carrying 2-5 times in groove up and down；
（6）Trivalent chromium passivation；By aluminium alloy be put into trivalent chromium passivation agent content for 8%-12%, pH be 4-4.5, temperature be 15 DEG C-
Immersion lifts after 80-120 second in 25 DEG C of trivalent chromium passivation groove, during stop places into rinsing bowl for 2-5 seconds after lifting, in rinsing bowl
In carry up and down and take out after 2-5 times；
（7）Baking；Aluminium alloy is put into baking box, is toasted 10-18 minutes under the conditions of 140 DEG C -160 DEG C.
2. a kind of high heat conduction aluminum alloy material surface processing method according to claim 1, it is characterised in that：The step
（2）Alkali cleaning and washing can be processed with aluminium deoxidation and replaced：By aluminium alloy be put into aluminium deoxidizer content for 8-12%, acidity be 25 degree-
45 degree, in the aluminium deoxidation groove that temperature is 15 DEG C -25 DEG C immersion lift after 60-180 second, stop places into washing in 2-5 seconds after lifting
In groove, taken out after carrying 2-5 times up and down in rinsing bowl.
3. a kind of high heat conduction aluminum alloy material surface processing method according to claim 1, it is characterised in that：（8）Full inspection
Packaging；To be hung under aluminium alloy, full inspection, packaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710040693.0A CN106868484A (en) | 2017-01-20 | 2017-01-20 | High heat conduction aluminum alloy material surface processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710040693.0A CN106868484A (en) | 2017-01-20 | 2017-01-20 | High heat conduction aluminum alloy material surface processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106868484A true CN106868484A (en) | 2017-06-20 |
Family
ID=59158488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710040693.0A Pending CN106868484A (en) | 2017-01-20 | 2017-01-20 | High heat conduction aluminum alloy material surface processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106868484A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111549365A (en) * | 2020-04-30 | 2020-08-18 | 广州上仕工程管理有限公司 | Surface treatment process for aluminum product |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101358341A (en) * | 2008-09-11 | 2009-02-04 | 洪泽县云飞电镀厂 | Environment protection type processing method of chromium-free chemistry conversion film on aluminum and aluminum alloy surface |
| JP4856802B2 (en) * | 1999-03-31 | 2012-01-18 | 日本表面化学株式会社 | Metal surface treatment method |
| CN102912338A (en) * | 2012-10-18 | 2013-02-06 | 王宏 | Aluminium alloy trivalent chromium passivation solution as well as preparation method and passivation technology thereof |
| CN102965654A (en) * | 2012-12-16 | 2013-03-13 | 况金权 | High-salt-fog-resistance aluminum product passivator and preparation method thereof |
| CN103805984A (en) * | 2012-11-09 | 2014-05-21 | 重庆长安工业(集团)有限责任公司 | Aluminum alloy chemical film forming process |
| CN105420714A (en) * | 2015-11-25 | 2016-03-23 | 广东致卓精密金属科技有限公司 | Method for preparing high-corrosion-resistance aluminum alloy trivalent chromium composite conversion coating |
-
2017
- 2017-01-20 CN CN201710040693.0A patent/CN106868484A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4856802B2 (en) * | 1999-03-31 | 2012-01-18 | 日本表面化学株式会社 | Metal surface treatment method |
| CN101358341A (en) * | 2008-09-11 | 2009-02-04 | 洪泽县云飞电镀厂 | Environment protection type processing method of chromium-free chemistry conversion film on aluminum and aluminum alloy surface |
| CN102912338A (en) * | 2012-10-18 | 2013-02-06 | 王宏 | Aluminium alloy trivalent chromium passivation solution as well as preparation method and passivation technology thereof |
| CN103805984A (en) * | 2012-11-09 | 2014-05-21 | 重庆长安工业(集团)有限责任公司 | Aluminum alloy chemical film forming process |
| CN102965654A (en) * | 2012-12-16 | 2013-03-13 | 况金权 | High-salt-fog-resistance aluminum product passivator and preparation method thereof |
| CN105420714A (en) * | 2015-11-25 | 2016-03-23 | 广东致卓精密金属科技有限公司 | Method for preparing high-corrosion-resistance aluminum alloy trivalent chromium composite conversion coating |
Non-Patent Citations (1)
| Title |
|---|
| 胡如南等编著: "《实用镀铬技术 第2版》", 31 May 2013 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111549365A (en) * | 2020-04-30 | 2020-08-18 | 广州上仕工程管理有限公司 | Surface treatment process for aluminum product |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102719785B (en) | Production technology of preprocessing copper-clad steel wire matrix | |
| CN102747350B (en) | Gold, silver coating surface protective agent | |
| CN106868484A (en) | High heat conduction aluminum alloy material surface processing method | |
| CN101942682A (en) | Process and special equipment for plating copper on special steel piece with deep/blind hole | |
| CN101100755B (en) | Acid pickling method of copper pipe for automobile oil cooler | |
| CN108950447A (en) | A kind of metal works zincincation | |
| JP5826739B2 (en) | Management method of protective film forming agent | |
| CN110565036A (en) | hot-dip galvanizing production method for electric power iron tower connecting piece with uniform surface zinc layer thickness | |
| JP5663840B2 (en) | Hot-dip galvanized steel pipe and method for producing hot-dip galvanized steel pipe | |
| CN106086952A (en) | The rack plating method of trivalent coloured silk zinc | |
| CN210394533U (en) | Cleaning device | |
| JP5559479B2 (en) | Hot-dip galvanized steel pipe and method for producing hot-dip galvanized steel pipe | |
| JP5617170B2 (en) | Hot-dip galvanized steel pipe and method for producing hot-dip galvanized steel pipe | |
| JP5476651B2 (en) | Hot-dip galvanized steel pipe and method for producing hot-dip galvanized material | |
| CN106894011A (en) | Antioxidant magnesium alloy surface treatment process high | |
| JP2009221604A (en) | Hot dip galvanized steel tube and manufacturing method of hot dip galvanized material | |
| CN105986279A (en) | Pickling process of steel wire | |
| JPS624879A (en) | Steel sheet coated with sn-base multilayered film and having superior corrosion resistance, weldability and paintability and its manufacture | |
| CN110029378B (en) | Gradient color electroplating method and electronic equipment | |
| JPWO2016167343A1 (en) | Steel plate for container and method for producing steel plate for container | |
| CN101088361A (en) | Making process of honeyed tomato | |
| CN102367583A (en) | Nickel plating process for molybdenum parts | |
| CN112289479B (en) | Electromagnetic shielding aluminum-magnesium alloy cable and production process thereof | |
| KR101464115B1 (en) | Tin-plated steel sheet and method for producing same | |
| CN110117800B (en) | Electrotinning treatment process |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170620 |