CN110453119A - A kind of anticorrosion antiwear type high intensity electrophoretic aluminium section and its preparation process - Google Patents
A kind of anticorrosion antiwear type high intensity electrophoretic aluminium section and its preparation process Download PDFInfo
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C1/00—Making non-ferrous alloys
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- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/047—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with magnesium as the next major constituent
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- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/14—Producing integrally coloured layers
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- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
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- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/18—After-treatment, e.g. pore-sealing
- C25D11/24—Chemical after-treatment
- C25D11/246—Chemical after-treatment for sealing layers
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- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
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Abstract
The invention discloses a kind of anticorrosion antiwear type high intensity electrophoretic aluminium section and its preparation processes, belong to aluminum profile preparation field, a kind of anticorrosion antiwear type high intensity electrophoretic aluminium section, including following weight percent raw material: Mg0.8-1.2%, Si0.4-0.6%, Ti0.2-0.4%, Fe0.22-0.3%, Cu0.06-0.1%, Zn0.08-0.12%, Cr0.06-0.08%, Mo0.12-0.18%, surplus are Al and inevitable impurity.Preparation process of the invention is simple and effective, and technological operation is convenient and efficient, and the content by rationally controlling Mg, Si, Fe, Cu, Zn, and Al is formed in electrophoretic aluminium section2Cu、Al2CuMg、Mg2Si、MgZn2Equal hardening constituents, strengthen mutually synergistic effect, crystallization of refinement improves crystal grain distribution, improve the performances such as wearability and the corrosion resistance of electrophoretic aluminium section, by the cooperation of Si, Ti, Fe, Cr, Mo, crystal grain is refined, refines the effect of cast sturcture and seam organization, improve recrystallization temperature, the thermal stability of reinforcing material, avoids intercrystalline corrosion, improves its corrosive nature.
Description
Technical field
The present invention relates to aluminum profile preparation technical field, specially a kind of anticorrosion antiwear type high intensity electrophoretic aluminium section and its
Preparation process.
Background technique
Electrophoretic aluminium section, full name electrophoretic painting aluminum profile are referred to by electrophoresis coating technique, in common original aluminum profile
Surface forms the special aluminum profile of one kind of protection by paints and lacquers film, and wherein electrophoresis coating technique needs in electrophoresis groove liquid and to above-mentioned general
Lead to original aluminum profile and is aided with electric current completion.
Aluminum profile industry at present, for since aluminum profile raw material preparation to electrophoretic painting process, lack it is a set of efficiently just
Prompt preparation process, and existing electrophoretic aluminium section is poor in anti-corrosion and wear-resisting performance in the process used.
Summary of the invention
(1) the technical issues of solving
1. technical problems to be solved
Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a kind of anticorrosion antiwear type high intensity electrophoresis aluminium profiles
Material and its preparation process have quick simple process and electrophoretic aluminium section anticorrosion obtained and the good advantage of wear-resisting property, solution
Current aluminum profile industry of having determined lacks a set of efficient and convenient for processing since the preparation of aluminum profile raw material to electrophoretic painting
Preparation process, and the problem that existing electrophoretic aluminium section is poor in anti-corrosion and wear-resisting performance in the process used.
(2) technical solution
To achieve the above object, the invention provides the following technical scheme: a kind of anticorrosion antiwear type high intensity electrophoretic aluminium section, including
Following weight percent raw material: Mg0.8-1.2%, Si0.4-0.6%, Ti0.2-0.4%, Fe0.22-0.3%, Cu0.06-
0.1%, Zn0.08-0.12%, Cr0.06-0.08%, Mo0.12-0.18%, surplus are Al and inevitable impurity.
Preferably, a kind of anticorrosion antiwear type high intensity electrophoretic aluminium section, including following weight percent raw material: Mg0.8%,
Si0.4%, Ti0.2%, Fe0.22%, Cu0.06%, Zn0.08%, Cr0.06%, Mo0.12%, surplus are Al and can not keep away
The impurity exempted from.
Preferably, a kind of anticorrosion antiwear type high intensity electrophoretic aluminium section, including following weight percent raw material: Mg1%,
Si0.5%, Ti0.3%, Fe0.26%, Cu0.08%, Zn0.1%, Cr0.07%, Mo0.14%, surplus are Al and can not keep away
The impurity exempted from.
Preferably, a kind of anticorrosion antiwear type high intensity electrophoretic aluminium section, including following weight percent raw material: Mg1.2%,
Si0.6%, Ti0.4%, Fe0.3%, Cu0.1%, Zn0.12%, Cr0.08%, Mo0.18%, surplus is for Al and unavoidably
Impurity.
Another technical problem to be solved by the present invention is that providing a kind of preparation of anticorrosion antiwear type high intensity electrophoretic aluminium section
Technique, comprising the following steps:
S1, ingredient is carried out by the raw material constituent of aluminum profile, and raw material is added sequentially in casting energy saving furnace, heating mixing
Melting, smelting temperature are 1000-1100 DEG C, obtain melt；
S2, melt is cast into ingot casting, carries out Homogenization Treatments in 550-560 DEG C of heat preservation 6-8h, is subsequently cooled to 410-450 DEG C
After keep the temperature 3-5h, obtain uniform ingot casting, then with extruder extruding and discharging, obtain pre-extrusion embryo material；
S3, the pre-extrusion embryo material that step S2 is obtained is heated to 450-460 DEG C, the aluminum profile of required specification is squeezed into extruder
Substrate, strong wind cooling cooling；
S4, by aluminum profile substrate in the case where being warming up to 140-160 DEG C with the speed of 50-70 DEG C/h, 2-3h is kept the temperature, then with 90-100 DEG C
Speed be warming up to 190-200 DEG C, keep the temperature 4-6h, cool to 170-180 DEG C with the furnace, then come out of the stove and be air-cooled to room temperature；
S5, by step S4 treated aluminum alloy base material using mechanical sand-blast, impacted, carried out at surface sand-blasting with high speed sand flow
Reason, then by treated, aluminum alloy base material successively carries out degreasing, washing, washing, neutralization, washing process, anodic oxidation, water
It washes, electrolytic coloring, obtains aluminum profile to be processed；
S6, the aluminum profile to be processed after colouring in step S5 is washed twice at room temperature, the time washed every time is
20s-50s；
S7, by the aluminum profile after washing be placed at room temperature in pure water slot carry out pure water wash, the time that pure water is washed be 3-5min,
Pure water conductivity is less than 100 μ S/cm；
S8, pure water is washed after aluminum profile be placed in 70-80 DEG C of hot pure water slot progress hot pure water washing, hot pure water washing when
Between be 3-8min, hot pure water conductivity is less than 50 μ S/cm；
S9, hot pure water is washed after aluminum profile washed in being placed on cold rinse bank of the temperature less than 25 DEG C, cold pure water wash when
Between be 3-5min, cold pure water conductivity is less than 50 μ S/cm；
S10, the aluminum profile after the washing of cold pure water is proposed into drip-dry, is placed in the electrophoresis tank equipped with electrophoretic coating and carries out at electrophoresis
Reason, so that the surface of aluminum profile forms electrophoretic paint film, electrophoretic paint film is translucent film layer, and the electrophoretic coating includes light
Paint and delustring paint, the lac varnish and delustring paint ratio are 1:4, the electrophoretic paint film with a thickness of 15-20um；
S11, aluminum profile after electrophoresis is washed twice at room temperature, the time washed every time is 2-3min；
S12, will through step S11, treated that aluminum profile solidifies, solidification temperature is 180-200 DEG C, time 20-25min,
Obtain finished product anticorrosion antiwear type high intensity electrophoretic aluminium section.
Preferably, the cooling of strong wind cooling described in step S3 requires that aluminum profile substrate is cooled to 220 DEG C or less in 1min.
Preferably, during electrophoretic process described in step S10, voltage 130V-150V, time 300-400s, temperature
It is 23-26 DEG C, frequency 25-35Hz.
Preferably, solid content is 5.0-8.0% in the electrophoretic coating, and conductivity is 800-1400 μ s/cm, degree of neutralization
For 0.65-0.90, pH value 7.5-8.5, amine value 3.0:4.0, for acid than being 31:37, amine gram molar ratio is 0.7:0.8.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of anticorrosion antiwear type high intensity electrophoretic aluminium section and its preparation process, tools
It is standby following the utility model has the advantages that
(1) preparation process of the invention is simple and effective, technological operation it is convenient and efficient and prepare resulting electrophoretic aluminium section it is wear-resisting,
Corrosion Protection is good, and the content by rationally controlling Mg, Si, Fe, Cu, Zn in electrophoretic aluminium section, the shape in electrophoretic aluminium section
At Al2Cu、Al2CuMg、Mg2Si、MgZn2Equal hardening constituents, strengthen mutually synergistic effect, and crystallization of refinement improves crystal grain distribution, mentions
The performances such as the high wearability of electrophoretic aluminium section, corrosion resistance, pass through the cooperation of Si, Ti, Fe, Cr, Mo, refine crystal grain, refinement
The effect of cast sturcture and seam organization improves recrystallization temperature, and the thermal stability of reinforcing material avoids intercrystalline corrosion, improves
Its corrosive nature further increases the hardness, intensity and fatigue performance of electrophoretic aluminium section.
(2) in electrophoretic aluminium section preparation process, the homogenizing cast ingot after melting is cast makes its chemical constituents analysis
Tend to uniformly, improve the shape and distribution of the second phase in alloy, improves the plasticity and intensity of swimming aluminum profile, then be squeezed into twice
Required shape specification, compared to one time extrusion molding, more refined using the grain structure of the aluminum profile after extrusion molding twice,
It is more evenly distributed, strengthens phase amount and increase, strengthening effect is more preferable, and wear-resisting and corrosion-resistant performance all increases.
(3) using mechanical sand-blast, the impact of high speed sand flow eliminates As-extruded profile surface defect and squeezes striped, improves
Fatigue resistance solves the greasy dirt for remaining in Surface of profile, natural oxygen by degreasing, neutralization, anodic oxidation and electrolytic coloring
Change film, foreign ion, remove acid ion, improves color developing effect.
(4) using hot pure water ageing substitution nature ageing, hot pure water conductivity is no more than 50,70-80 DEG C of temperature, the time
3-8min, it is bad to solve nature sealing of hole film heat crack resistance, can significantly improve oxidation film hot crackability.
(5) electrophoretic coating is coated in aluminium shape surface using electrophoresis process, it is uniform in the film that aluminium shape surface is formed
Fine and close, smooth glossy, hardness is high, and adhesive force is strong, improves acid and alkali-resistance inoxidizability, makes its barasion coefficient f >=3750g/um,
Rp >=9.0 grade.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical solution in the embodiment of the present invention is clearly and completely retouched
It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Embodiment one:
A kind of anticorrosion antiwear type high intensity electrophoretic aluminium section, including following weight percent raw material: Mg0.8%, Si0.4%,
Ti0.2%, Fe0.22%, Cu0.06%, Zn0.08%, Cr0.06%, Mo0.12%, surplus be Al and inevitably it is miscellaneous
Matter.
A kind of preparation process of anticorrosion antiwear type high intensity electrophoretic aluminium section, comprising the following steps:
S1, ingredient is carried out by the raw material constituent of aluminum profile, and raw material is added sequentially in casting energy saving furnace, heating mixing
Melting, smelting temperature are 1000 DEG C, obtain melt；
S2, melt is cast into ingot casting, carries out Homogenization Treatments in 550 DEG C of heat preservation 6h, keeps the temperature 3h after being subsequently cooled to 410 DEG C,
It obtains uniform ingot casting, then with extruder extruding and discharging, obtains pre-extrusion embryo material；
S3, the pre-extrusion embryo material that step S2 is obtained is heated to 450 DEG C, the aluminum profile base of required specification is squeezed into extruder
Material, strong wind cooling cooling；
S4, by aluminum profile substrate in the case where being warming up to 140 DEG C with the speed of 50 DEG C/h, keep the temperature 2h, then be warming up to 90 DEG C of speed
190 DEG C, 4h is kept the temperature, cools to 170 DEG C with the furnace, then come out of the stove and be air-cooled to room temperature；
S5, by step S4 treated aluminum alloy base material using mechanical sand-blast, impacted, carried out at surface sand-blasting with high speed sand flow
Reason, then by treated, aluminum alloy base material successively carries out degreasing, washing, washing, neutralization, washing process, anodic oxidation, water
It washes, electrolytic coloring, obtains aluminum profile to be processed；
S6, the aluminum profile to be processed after colouring in step S5 is washed twice at room temperature, the time washed every time is
20s；
S7, by the aluminum profile after washing be placed at room temperature in pure water slot carry out pure water wash, the time that pure water is washed be 3min, it is pure
Water conductivity is less than 100 μ S/cm；
S8, pure water is washed after aluminum profile be placed in 70-80 DEG C of hot pure water slot progress hot pure water washing, hot pure water washing when
Between be 3min, hot pure water conductivity is less than 50 μ S/cm；
S9, hot pure water is washed after aluminum profile washed in being placed on cold rinse bank of the temperature less than 25 DEG C, cold pure water wash when
Between be 3min, cold pure water conductivity is less than 50 μ S/cm；
S10, the aluminum profile after the washing of cold pure water is proposed into drip-dry, is placed in the electrophoresis tank equipped with electrophoretic coating and carries out at electrophoresis
Reason, so that the surface of aluminum profile forms electrophoretic paint film, electrophoretic paint film is translucent film layer, electrophoretic coating include gloss paint with
Delustring paint, lac varnish and delustring paint ratio are 1:4, electrophoretic paint film with a thickness of 15um；
S11, aluminum profile after electrophoresis is washed twice at room temperature, the time washed every time is 2min；
S12, will through step S11, treated that aluminum profile solidifies, solidification temperature is 180 DEG C, and time 20min is obtained into
Product anticorrosion antiwear type high intensity electrophoretic aluminium section.
Further, the cooling of step S3 strong wind cooling requires that aluminum profile substrate is cooled to 220 DEG C or less in 1min.
Further, during step S10 electrophoretic process, voltage 130V, time 300s, temperature are 23 DEG C, frequency
For 25Hz.
Further, solid content is 5.0% in electrophoretic coating, and conductivity is 800 μ s/cm, degree of neutralization 0.65, pH value
It is 7.5, amine value 3.0:4.0, for acid than being 31:37, amine gram molar ratio is 0.7:0.8.
Embodiment two:
A kind of anticorrosion antiwear type high intensity electrophoretic aluminium section, including following weight percent raw material: Mg1%, Si0.5%,
Ti0.3%, Fe0.26%, Cu0.08%, Zn0.1%, Cr0.07%, Mo0.14%, surplus are Al and inevitable impurity.
A kind of preparation process of anticorrosion antiwear type high intensity electrophoretic aluminium section, comprising the following steps:
S1, ingredient is carried out by the raw material constituent of aluminum profile, and raw material is added sequentially in casting energy saving furnace, heating mixing
Melting, smelting temperature are 1050 DEG C, obtain melt；
S2, melt is cast into ingot casting, carries out Homogenization Treatments in 555 DEG C of heat preservation 7h, keeps the temperature 4h after being subsequently cooled to 430 DEG C,
It obtains uniform ingot casting, then with extruder extruding and discharging, obtains pre-extrusion embryo material；
S3, the pre-extrusion embryo material that step S2 is obtained is heated to 455 DEG C, the aluminum profile base of required specification is squeezed into extruder
Material, strong wind cooling cooling；
S4, by aluminum profile substrate in the case where being warming up to 150 DEG C with the speed of 65 DEG C/h, keep the temperature 2.5h, then heat up with 95 DEG C of speed
To 195 DEG C, 5h is kept the temperature, cools to 175 DEG C with the furnace, then come out of the stove and be air-cooled to room temperature；
S5, by step S4 treated aluminum alloy base material using mechanical sand-blast, impacted, carried out at surface sand-blasting with high speed sand flow
Reason, then by treated, aluminum alloy base material successively carries out degreasing, washing, washing, neutralization, washing process, anodic oxidation, water
It washes, electrolytic coloring, obtains aluminum profile to be processed；
S6, the aluminum profile to be processed after colouring in step S5 is washed twice at room temperature, the time washed every time is
35s；
S7, by the aluminum profile after washing be placed at room temperature in pure water slot carry out pure water wash, the time that pure water is washed be 4min, it is pure
Water conductivity is less than 100 μ S/cm；
S8, pure water is washed after aluminum profile be placed in 75 DEG C of hot pure water slots progress hot pure water washing, the time of hot pure water washing
For 5.5min, hot pure water conductivity is less than 50 μ S/cm；
S9, hot pure water is washed after aluminum profile washed in being placed on cold rinse bank of the temperature less than 25 DEG C, cold pure water wash when
Between be 4min, cold pure water conductivity is less than 50 μ S/cm；
S10, the aluminum profile after the washing of cold pure water is proposed into drip-dry, is placed in the electrophoresis tank equipped with electrophoretic coating and carries out at electrophoresis
Reason, so that the surface of aluminum profile forms electrophoretic paint film, electrophoretic paint film is translucent film layer, electrophoretic coating include gloss paint with
Delustring paint, lac varnish and delustring paint ratio are 1:4, electrophoretic paint film with a thickness of 17.5um；
S11, aluminum profile after electrophoresis is washed twice at room temperature, the time washed every time is 2.5min；
S12, will through step S11, treated that aluminum profile solidifies, solidification temperature is 190 DEG C, and time 22.5min is obtained
Finished product anticorrosion antiwear type high intensity electrophoretic aluminium section.
Preferably, the cooling of step S3 strong wind cooling requires that aluminum profile substrate is cooled to 220 DEG C or less in 1min.
Preferably, during step S10 electrophoretic process, voltage 140V, time 350s, temperature are 24.5 DEG C, frequency
For 30Hz.
Preferably, solid content is 6.5% in electrophoretic coating, and conductivity is 1100 μ s/cm, and degree of neutralization 0.8, pH value is
8, amine value 3.0:4.0, for acid than being 31:37, amine gram molar ratio is 0.7:0.8.
Embodiment three:
A kind of anticorrosion antiwear type high intensity electrophoretic aluminium section, including following weight percent raw material: Mg1.2%, Si0.6%,
Ti0.4%, Fe0.3%, Cu0.1%, Zn0.12%, Cr0.08%, Mo0.18%, surplus are Al and inevitable impurity.
A kind of preparation process of anticorrosion antiwear type high intensity electrophoretic aluminium section, comprising the following steps:
S1, ingredient is carried out by the raw material constituent of aluminum profile, and raw material is added sequentially in casting energy saving furnace, heating mixing
Melting, smelting temperature are 1100 DEG C, obtain melt；
S2, melt is cast into ingot casting, carries out Homogenization Treatments in 560 DEG C of heat preservation 8h, keeps the temperature 5h after being subsequently cooled to 450 DEG C,
It obtains uniform ingot casting, then with extruder extruding and discharging, obtains pre-extrusion embryo material；
S3, the pre-extrusion embryo material that step S2 is obtained is heated to 460 DEG C, the aluminum profile base of required specification is squeezed into extruder
Material, strong wind cooling cooling；
S4, by aluminum profile substrate in the case where being warming up to 160 DEG C with the speed of 70 DEG C/h, keep the temperature 3h, then be warming up to 100 DEG C of speed
200 DEG C, 6h is kept the temperature, cools to 180 DEG C with the furnace, then come out of the stove and be air-cooled to room temperature；
S5, by step S4 treated aluminum alloy base material using mechanical sand-blast, impacted, carried out at surface sand-blasting with high speed sand flow
Reason, then by treated, aluminum alloy base material successively carries out degreasing, washing, washing, neutralization, washing process, anodic oxidation, water
It washes, electrolytic coloring, obtains aluminum profile to be processed；
S6, the aluminum profile to be processed after colouring in step S5 is washed twice at room temperature, the time washed every time is
50s；
S7, by the aluminum profile after washing be placed at room temperature in pure water slot carry out pure water wash, the time that pure water is washed be 5min, it is pure
Water conductivity is less than 100 μ S/cm；
S8, pure water is washed after aluminum profile be placed in 80 DEG C of hot pure water slots progress hot pure water washing, the time of hot pure water washing
For 8min, hot pure water conductivity is less than 50 μ S/cm；
S9, hot pure water is washed after aluminum profile washed in being placed on cold rinse bank of the temperature less than 25 DEG C, cold pure water wash when
Between be 5min, cold pure water conductivity is less than 50 μ S/cm；
S10, the aluminum profile after the washing of cold pure water is proposed into drip-dry, is placed in the electrophoresis tank equipped with electrophoretic coating and carries out at electrophoresis
Reason, so that the surface of aluminum profile forms electrophoretic paint film, electrophoretic paint film is translucent film layer, electrophoretic coating include gloss paint with
Delustring paint, lac varnish and delustring paint ratio are 1:4, electrophoretic paint film with a thickness of 20um；
S11, aluminum profile after electrophoresis is washed twice at room temperature, the time washed every time is 3min；
S12, will through step S11, treated that aluminum profile solidifies, solidification temperature is 200 DEG C, and time 25min is obtained into
Product anticorrosion antiwear type high intensity electrophoretic aluminium section.
Preferably, the cooling of step S3 strong wind cooling requires that aluminum profile substrate is cooled to 220 DEG C or less in 1min.
Preferably, during step S10 electrophoretic process, voltage 150V, time 400s, temperature are 26 DEG C, and frequency is
35Hz。
Preferably, solid content is 8.0% in electrophoretic coating, and conductivity is 1400 μ s/cm, and degree of neutralization 0.90, pH value is
8.5, amine value 3.0:4.0, for acid than being 31:37, amine gram molar ratio is 0.7:0.8.
The foregoing is intended to be a preferred embodiment of the present invention；But scope of protection of the present invention is not limited thereto.
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
It improves design and is subject to equivalent substitution or change, should be covered by the scope of protection of the present invention.
Claims (8)
1. a kind of anticorrosion antiwear type high intensity electrophoretic aluminium section, it is characterised in that: including following weight percent raw material: Mg0.8-
1.2%, Si0.4-0.6%, Ti0.2-0.4%, Fe0.22-0.3%, Cu0.06-0.1%, Zn0.08-0.12%, Cr0.06-
0.08%, Mo0.12-0.18%, surplus are Al and inevitable impurity.
2. a kind of anticorrosion antiwear type high intensity electrophoretic aluminium section according to claim 1, it is characterised in that: including following heavy
Measure percentage raw material: Mg0.8%, Si0.4%, Ti0.2%, Fe0.22%, Cu0.06%, Zn0.08%, Cr0.06%,
Mo0.12%, surplus are Al and inevitable impurity.
3. a kind of anticorrosion antiwear type high intensity electrophoretic aluminium section according to claim 1, it is characterised in that: including following heavy
Measure percentage raw material: Mg1%, Si0.5%, Ti0.3%, Fe0.26%, Cu0.08%, Zn0.1%, Cr0.07%,
Mo0.14%, surplus are Al and inevitable impurity.
4. a kind of anticorrosion antiwear type high intensity electrophoretic aluminium section according to claim 1, it is characterised in that: including following heavy
Measure percentage raw material: Mg1.2%, Si0.6%, Ti0.4%, Fe0.3%, Cu0.1%, Zn0.12%, Cr0.08%,
Mo0.18%, surplus are Al and inevitable impurity.
5. a kind of preparation process of anticorrosion antiwear type high intensity electrophoretic aluminium section, which comprises the following steps:
S1, ingredient is carried out by the raw material constituent of aluminum profile, and raw material is added sequentially in casting energy saving furnace, heating mixing
Melting, smelting temperature are 1000-1100 DEG C, obtain melt；
S2, melt is cast into ingot casting, carries out Homogenization Treatments in 550-560 DEG C of heat preservation 6-8h, is subsequently cooled to 410-450 DEG C
After keep the temperature 3-5h, obtain uniform ingot casting, then with extruder extruding and discharging, obtain pre-extrusion embryo material；
S3, the pre-extrusion embryo material that step S2 is obtained is heated to 450-460 DEG C, the aluminum profile of required specification is squeezed into extruder
Substrate, strong wind cooling cooling；
S4, by aluminum profile substrate in the case where being warming up to 140-160 DEG C with the speed of 50-70 DEG C/h, 2-3h is kept the temperature, then with 90-100 DEG C
Speed be warming up to 190-200 DEG C, keep the temperature 4-6h, cool to 170-180 DEG C with the furnace, then come out of the stove and be air-cooled to room temperature；
S5, by step S4 treated aluminum alloy base material using mechanical sand-blast, impacted, carried out at surface sand-blasting with high speed sand flow
Reason, then by treated, aluminum alloy base material successively carries out degreasing, washing, washing, neutralization, washing process, anodic oxidation, water
It washes, electrolytic coloring, obtains aluminum profile to be processed；
S6, the aluminum profile to be processed after colouring in step S5 is washed twice at room temperature, the time washed every time is
20s-50s；
S7, by the aluminum profile after washing be placed at room temperature in pure water slot carry out pure water wash, the time that pure water is washed be 3-5min,
Pure water conductivity is less than 100 μ S/cm；
S8, pure water is washed after aluminum profile be placed in 70-80 DEG C of hot pure water slot progress hot pure water washing, hot pure water washing when
Between be 3-8min, hot pure water conductivity is less than 50 μ S/cm；
S9, hot pure water is washed after aluminum profile washed in being placed on cold rinse bank of the temperature less than 25 DEG C, cold pure water wash when
Between be 3-5min, cold pure water conductivity is less than 50 μ S/cm；
S10, the aluminum profile after the washing of cold pure water is proposed into drip-dry, is placed in the electrophoresis tank equipped with electrophoretic coating and carries out at electrophoresis
Reason, so that the surface of aluminum profile forms electrophoretic paint film, electrophoretic paint film is translucent film layer, and the electrophoretic coating includes light
Paint and delustring paint, the lac varnish and delustring paint ratio are 1:4, the electrophoretic paint film with a thickness of 15-20um；
S11, aluminum profile after electrophoresis is washed twice at room temperature, the time washed every time is 2-3min；
S12, will through step S11, treated that aluminum profile solidifies, solidification temperature is 180-200 DEG C, time 20-25min,
Obtain finished product anticorrosion antiwear type high intensity electrophoretic aluminium section.
6. a kind of preparation process of anticorrosion antiwear type high intensity electrophoretic aluminium section according to claim 5, it is characterised in that:
The cooling of strong wind cooling described in step S3 requires that aluminum profile substrate is cooled to 220 DEG C or less in 1min.
7. a kind of preparation process of anticorrosion antiwear type high intensity electrophoretic aluminium section according to claim 5, it is characterised in that:
During electrophoretic process described in step S10, voltage 130V-150V, time 300-400s, temperature are 23-26 DEG C, and frequency is
25-35Hz。
8. a kind of preparation process of anticorrosion antiwear type high intensity electrophoretic aluminium section according to claim 5, it is characterised in that:
Solid content is 5.0-8.0% in the electrophoretic coating, and conductivity is 800-1400 μ s/cm, degree of neutralization 0.65-0.90, pH value
For 7.5-8.5, amine value 3.0:4.0, for acid than being 31:37, amine gram molar ratio is 0.7:0.8.
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