CN108677130A - A kind of processing method for aluminium alloy face layer - Google Patents
A kind of processing method for aluminium alloy face layer Download PDFInfo
- Publication number
- CN108677130A CN108677130A CN201810395720.0A CN201810395720A CN108677130A CN 108677130 A CN108677130 A CN 108677130A CN 201810395720 A CN201810395720 A CN 201810395720A CN 108677130 A CN108677130 A CN 108677130A
- Authority
- CN
- China
- Prior art keywords
- base material
- aluminum alloy
- alloy base
- tetrafluoroethene
- hardening oxidation
- 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.)
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Classifications
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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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/02—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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/10—Oxidising
- C23C8/12—Oxidising using elemental oxygen or ozone
-
- 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/80—After-treatment
Abstract
An embodiment of the present invention provides a kind of processing methods for aluminium alloy face layer, which is characterized in that and the method applies to the surface of aluminum alloy base material, including：Pass through the surface of aluminum alloy base material described in hardening oxidation process；Sealing pores are carried out to the surface of the aluminum alloy base material Jing Guo hardening oxidation process by tetrafluoroethene.Using the above method, by hardening oxidation technique layer oxide film is formed on the surface of aluminum alloy base material, and sealing pores are carried out to the hole on the surface of aluminum alloy base material by tetrafluoroethene, to while improving aluminum alloy base material case hardness, reduce the friction coefficient on aluminum alloy base material surface.
Description
Technical field
The present invention relates to for aluminium alloy face layer processing technology field, more particularly to it is a kind of for aluminium alloy face layer
Processing method.
Background technology
Aluminium alloy as the present age a kind of very important industrial raw materials, should be widely used in multiple fields it
In.
In the prior art, it is hardening oxidation for the processing mode of aluminum alloy surface, by the way of hardening oxidation
Aluminum alloy surface is managed, will produce diameter is about 10 nanoscales, the intensive pore that depth is about 0.05mm, this is because hard
During matter aluminium oxide alloy surface, the anode oxidation process of aluminum alloy surface can cause aluminium alloy itself generation cellular
Pore, so aluminum alloy surface friction coefficient can be caused, and, aluminum alloy junction resultant force (surface tension) is larger.
Invention content
In view of the above problems, it is proposed that the embodiment of the present invention overcoming the above problem or at least partly in order to provide one kind
A kind of processing method for aluminium alloy face layer to solve the above problems.
To solve the above-mentioned problems, described the embodiment of the invention discloses a kind of processing method for aluminium alloy face layer
Approach application in the surface of aluminum alloy base material, including：
Pass through the surface of aluminum alloy base material described in hardening oxidation process；
Sealing pores are carried out to the surface of the aluminum alloy base material Jing Guo hardening oxidation process by tetrafluoroethene.
Preferably, described by including the step of the surface of aluminum alloy base material described in hardening oxidation process：
The surface of the aluminum alloy base material is handled by degreasing process；
By the surface for neutralizing aluminum alloy base material described in process；
The surface of the aluminum alloy base material is handled by oxidation technology；
Clean the surface of the aluminum alloy base material.
Preferably, the step of surface that the aluminum alloy base material is handled by degreasing process includes：
Acid solution is configured, or, aqueous slkali；
Using the acid solution, or, the aqueous slkali removes the grease on the surface of the aluminum alloy base material.
Preferably, described by including the step of the surface of aluminum alloy base material described in neutralization process：
Judge whether the solution of the grease on the surface for removing the aluminum alloy base material is acid solution；
If so, neutralizing the solution for removing the grease on the surface of the aluminum alloy base material using aqueous slkali.
Preferably, described by including the step of the surface of aluminum alloy base material described in neutralization process：
Judge whether the solution of the grease on the surface for removing the aluminum alloy base material is aqueous slkali；
If so, neutralizing the solution for removing the grease on the surface of the aluminum alloy base material using acid solution.
Preferably, the step of surface that the aluminum alloy base material is handled by oxidation technology includes：
It will be statically placed in air by the aluminum alloy base material for neutralizing process, make the aluminium alloy by neutralizing process
The surface autoxidation of base material.
Preferably, the surface of the aluminum alloy base material by hardening oxidation process has stomata, described to pass through four
The step of vinyl fluoride carries out sealing pores to the surface of the aluminum alloy base material Jing Guo hardening oxidation process include：
It configures and heats the tetrafluoroethene mixture with tetrafluoroethene particle；
The aluminum alloy base material by hardening oxidation process is soaked in the tetrafluoroethene mixture；
After the tetrafluoroethene particle in the tetrafluoroethene mixture is filled up completely the stomata, by the aluminium by impregnating
Alloy base material is pulled out.
Preferably, the diameter of the tetrafluoroethene particle is equal to or less than 10 nanometers.
Preferably, it before the step of described by the surface of aluminum alloy base material described in hardening oxidation process, also wraps
It includes：
Using fused alumina zirconia abrasive material, the oxide skin on the surface of the aluminum alloy base material is removed by blasting treatment.
Preferably, the surface of the aluminum alloy base material Jing Guo hardening oxidation process is carried out by tetrafluoroethene described
After the step of sealing pores, further include：
The surface of the aluminum alloy base material of the sealing pores is passed through in grinding
The embodiment of the present invention includes following advantages：
The embodiment of the present invention is used in practical applications, it can be by hardening oxidation technique on the surface of aluminum alloy base material
Layer oxide film is formed, and sealing pores are carried out to the hole on the surface of aluminum alloy base material by tetrafluoroethene, to improve
While aluminum alloy base material case hardness, the friction coefficient on aluminum alloy base material surface is reduced.
Description of the drawings
Fig. 1 is a kind of step flow chart of processing method embodiment for aluminium alloy face layer of the present invention.
Specific implementation mode
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is described in further detail.
Referring to Fig.1, a kind of step flow chart of processing method embodiment for aluminium alloy face layer of the present invention is shown,
It can specifically include following steps：
Step 101, pass through the surface of aluminum alloy base material described in hardening oxidation process；
In embodiments of the present invention, may include following sub-step by the surface of hardening oxidation process aluminum alloy base material
Suddenly：
S11 handles the surface of the aluminum alloy base material by degreasing process；
In the specific implementation, the embodiment of the present invention can handle the aluminium alloy base by degreasing process in the following way
The surface of material：
Acid solution is first configured, or, aqueous slkali, then using the acid solution configured, or, aqueous slkali removes aluminum alloy base material
Surface grease.
In a preferred embodiment of the invention, aluminum alloy base material can also be put into ultrasonic equipment, by super
Sound wave to carry out pre- degreasing and main degreasing to aluminum alloy base material.
The surface that S12 passes through aluminum alloy base material described in neutralization process；
In the specific implementation, the embodiment of the present invention can be come in the following way by neutralizing process aluminum alloy base material
Surface：
First judge that the solution of the grease on the surface for removing the aluminum alloy base material is acid solution or aqueous slkali, if with
It is judged as acid solution in the solution of the grease on the surface for removing the aluminum alloy base material, then uses aqueous slkali to neutralize for removing
The solution of the grease on the surface of the aluminum alloy base material, if being used to remove the solution quilt of the grease on the surface of the aluminum alloy base material
It is determined as aqueous slkali, then uses the solution of the grease on surface of the acid solution neutralization for removing the aluminum alloy base material.
S13 handles the surface of the aluminum alloy base material by oxidation technology；
In embodiments of the present invention, can be made by neutralizing process by the way that aluminum alloy base material to be statically placed in air
Aluminum alloy base material surface autoxidation.
S14 cleans the surface of the aluminum alloy base material.
In the concrete realization, the embodiment of the present invention can wash with water the surface of aluminum alloy base material, and removal remains in aluminium conjunction
The solution for removing grease on the surface of auri material.
In another preferred embodiment of the invention, on the surface by hardening oxidation process aluminum alloy base material
Before step, fused alumina zirconia abrasive material can be first used, the oxide skin on the surface of aluminum alloy base material is removed by blasting treatment.
In practical applications, it is power that compressed air, which may be used, in the embodiment of the present invention, to form high velocity spray beam by zirconium
Corundum abrasive high speed, which is ejected into, need to handle workpiece surface, and the oxide skin for enabling aluminum alloy to the surface of base material falls off, so that aluminium closes
The surface of auri material is formed by oxide thickness evenly by hardening oxidation.
Step 102, sealing of hole is carried out to the surface of the aluminum alloy base material Jing Guo hardening oxidation process by tetrafluoroethene
Processing.
In the concrete realization, the surface of the aluminum alloy base material in the embodiment of the present invention hardening oxidation formed oxidation film it
Afterwards, diameter can be formed on the oxidation film is about 10 nanometers, and the porosity that depth is about 0.05mm, the embodiment of the present invention can lead to
It crosses tetrafluoroethene and sealing pores is carried out to these porosities.
It in embodiments of the present invention, can be in the following way by tetrafluoroethene to by hardening oxidation process
The surface of aluminum alloy base material carries out sealing pores：
The tetrafluoroethene mixture for configuring the tetrafluoroethene particle for having diameter less than or equal to 10 nanometers, is heated to
After 80 DEG C, the aluminum alloy base material Jing Guo hardening oxidation process is soaked in tetrafluoroethene mixture, when tetrafluoroethene is mixed
After tetrafluoroethene particle in conjunction object completely fills porosity, it will be pulled out by the aluminum alloy base material impregnated.
In practical applications, the embodiment of the present invention can be applied to the making of military project material, for example, the connection of telescope
Axis, because polemoscope often applies in the environment for more disliking summary, if wanting the normal use in disliking the environment omited
The surface of polemoscope, connecting shaft must have the features such as high rigidity and low-friction coefficient, so, implement through the invention
The surface of aluminum alloy base material handled by example is suitable for manufacturing the connecting shaft of polemoscope.
The present invention another preferred embodiment in, by tetrafluoroethene to the aluminium Jing Guo hardening oxidation process
After the surface of alloy base material carries out the step of sealing pores, can also to the surface of the aluminum alloy base material by sealing pores into
Row grinding.
In the concrete realization, the surface of the aluminum alloy base material of the embodiment of the present invention by hardening oxidation and sealing pores it
Afterwards, being attached to the thickness of the oxidation film on its surface can increase, also, the thickness amplification is uncontrollable, so needing to by sealing
The surface of the aluminum alloy base material of hole processing is ground so that the thickness of oxidation film each section is unified, and meets and produced
The making requirement for oxide thickness in journey.
For example, during making the connecting shaft of polemoscope using aluminium alloy, when completion is to aluminium alloy connecting shaft
Sealing pores after, need to carry out plane lapping to the planar section of connecting shaft, the circular inner hole part of connecting shaft is carried out in
Circle grinding carries out cylindrical lapping so that the integral diameter of aluminium alloy connecting shaft meets production specification to the cambered surface outside connecting shaft.
The embodiment of the present invention is used in practical applications, it can be by hardening oxidation technique on the surface of aluminum alloy base material
Layer oxide film is formed, and sealing pores are carried out to the hole on the surface of aluminum alloy base material by tetrafluoroethene, to improve
While aluminum alloy base material case hardness, the friction coefficient on aluminum alloy base material surface is reduced.
It should be noted that for embodiment of the method, for simple description, therefore it is all expressed as a series of action group
It closes, but those skilled in the art should understand that, the embodiment of the present invention is not limited by the described action sequence, because according to
According to the embodiment of the present invention, certain steps can be performed in other orders or simultaneously.Secondly, those skilled in the art also should
Know, embodiment described in this description belongs to preferred embodiment, and the involved action not necessarily present invention is implemented
Necessary to example.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also include other elements that are not explicitly listed, or further include for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device including the element.
It above to a kind of processing method for aluminium alloy face layer provided by the present invention, is described in detail, herein
In apply specific case principle and implementation of the present invention are described, the explanation of above example is only intended to sides
Assistant solves the method and its core concept of the present invention；Meanwhile for those of ordinary skill in the art, think of according to the present invention
Think, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as pair
The limitation of the present invention.
Claims (10)
1. a kind of processing method for aluminium alloy face layer, which is characterized in that the method applies to the surface of aluminum alloy base material,
Including：
Pass through the surface of aluminum alloy base material described in hardening oxidation process；
Sealing pores are carried out to the surface of the aluminum alloy base material Jing Guo hardening oxidation process by tetrafluoroethene.
2. according to the method described in claim 1, it is characterized in that, described pass through aluminium alloy base described in hardening oxidation process
The step of surface of material includes：
The surface of the aluminum alloy base material is handled by degreasing process；
By the surface for neutralizing aluminum alloy base material described in process；
The surface of the aluminum alloy base material is handled by oxidation technology；
Clean the surface of the aluminum alloy base material.
3. according to the method described in claim 2, it is characterized in that, described handle the aluminum alloy base material by degreasing process
The step of surface includes：
Acid solution is configured, or, aqueous slkali；
Using the acid solution, or, the aqueous slkali removes the grease on the surface of the aluminum alloy base material.
4. according to the method described in claim 2, it is characterized in that, described by neutralizing aluminum alloy base material described in process
The step of surface includes：
Judge whether the solution of the grease on the surface for removing the aluminum alloy base material is acid solution；
If so, neutralizing the solution for removing the grease on the surface of the aluminum alloy base material using aqueous slkali.
5. according to the method described in claim 2, it is characterized in that, described by neutralizing aluminum alloy base material described in process
The step of surface includes：
Judge whether the solution of the grease on the surface for removing the aluminum alloy base material is aqueous slkali；
If so, neutralizing the solution for removing the grease on the surface of the aluminum alloy base material using acid solution.
6. according to the method described in claim 2, it is characterized in that, described handle the aluminum alloy base material by oxidation technology
The step of surface includes：
It will be statically placed in air by the aluminum alloy base material for neutralizing process, make the aluminum alloy base material by neutralizing process
Surface autoxidation.
7. according to the method described in claim 1, it is characterized in that, the aluminum alloy base material by hardening oxidation process
Surface have stomata, it is described that the surface of the aluminum alloy base material Jing Guo hardening oxidation process is sealed by tetrafluoroethene
Hole handle the step of include：
It configures and heats the tetrafluoroethene mixture with tetrafluoroethene particle；
The aluminum alloy base material by hardening oxidation process is soaked in the tetrafluoroethene mixture；
After the tetrafluoroethene particle in the tetrafluoroethene mixture is filled up completely the stomata, by the aluminium alloy by impregnating
Base material is pulled out.
8. the method according to the description of claim 7 is characterized in that the diameter of the tetrafluoroethene particle is received equal to or less than 10
Rice.
9. according to the method described in claim 1, it is characterized in that, passing through aluminium alloy described in hardening oxidation process described
Before the step of surface of base material, further include：
Using fused alumina zirconia abrasive material, the oxide skin on the surface of the aluminum alloy base material is removed by blasting treatment.
10. according to the method described in claim 1, it is characterized in that, it is described by tetrafluoroethene to pass through hardening oxidation work
After the step of surface of the aluminum alloy base material of skill processing carries out sealing pores, further include：
The surface of the aluminum alloy base material of the sealing pores is passed through in grinding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810395720.0A CN108677130A (en) | 2018-04-27 | 2018-04-27 | A kind of processing method for aluminium alloy face layer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810395720.0A CN108677130A (en) | 2018-04-27 | 2018-04-27 | A kind of processing method for aluminium alloy face layer |
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