CN106756314A - A kind of aluminium alloy for having decoration and electromagnetic protection effect concurrently and preparation method thereof - Google Patents
A kind of aluminium alloy for having decoration and electromagnetic protection effect concurrently and preparation method thereof Download PDFInfo
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- CN106756314A CN106756314A CN201610992820.2A CN201610992820A CN106756314A CN 106756314 A CN106756314 A CN 106756314A CN 201610992820 A CN201610992820 A CN 201610992820A CN 106756314 A CN106756314 A CN 106756314A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/0408—Light metal alloys
- C22C1/0416—Aluminium-based alloys
-
- C—CHEMISTRY; METALLURGY
- 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
-
- 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
- C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
- C25D11/08—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used containing inorganic acids
-
- 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
- C25D11/18—After-treatment, e.g. pore-sealing
Abstract
The invention discloses a kind of aluminum alloy materials for having decoration and electromagnetic protection effect concurrently and preparation method thereof.The aluminium alloy material material formula includes alloy element Al, Si, Mg, Cu, Fe, and the ingredient requirement of each alloying element is the pure element powder that purity is more than 99%, and is by weight percentage：Si 0.25 ~ 0.35%, Mg 0.5 ~ 0.7%, Fe≤0.15%, Cu≤0.07%, balance of Al, each component sum is 100%.Alloying ingredient is 10 μm of copper powders, 2 μm of aluminium powders, 20 μm of magnesium powders, 6 ~ 9 μm of silica flours and 2 ~ 3 μm of iron powders.The alloy preparation method includes the steps such as dispensing, grinding, sintering, heat treatment, extruding, solid solution, timeliness, anodic oxidation, spraying, coloring.The present invention completes the operation one continuous line such as the dispensing of aluminium alloy, making, coating microwave defense material, coloring, has saved intermediate step, reduces production cost, and disposably produce the aluminum alloy materials for having decorative effect and electromagnetic protection function concurrently.
Description
Technical field
The invention belongs to technical field of novel materials, and in particular to a kind of aluminium alloy for having decoration and electromagnetic protection effect concurrently
And preparation method thereof.
Background technology
Aluminium is a kind of argenteous metal, only 2.79/cm low with density3, about steel, copper or brass density (
Respectively 7.839/cm3, 8.939/cm3) 1/3.The features such as electric conductivity and thermal conductivity are good, plasticity is high, corrosion resistance is good, aluminium
Surface there is the reflectivity of height, radiation energy, visible ray, radiant heat and electric wave effectively can be reflected by aluminium, and anodic oxygen
Change and the surface of dark anodic oxidation can be reflexive, or absorbefacient, the aluminium after polishing is in wavelength model very wide
There is excellent reflectivity, thus the purposes with various decorative uses and with reflection function in enclosing.The chemical property of aluminium
Vivaciously, easily combined with oxygen in atmosphere, surface forms the firm aluminum oxide film of one layer of densification, can protect inner layer metal not followed by
Continuous oxidation, therefore have fabulous stability in an atmosphere.Reserves of the aluminium in the Nature are enriched very much, content of the aluminium in the earth's crust
It is 7.45%, is only second to oxygen and silicon, the reserves of China's bauxite are also at the forefront in the world, proved reserves has 6.3 hundred million tons, and it
It is a kind of metal with very strong reproducibility, its " green life power " is available for lasting performance.
Because the hardness of fine aluminium is smaller, so be difficult to be used as structural material, in order to make full use of aluminium other are excellent
Benign energy, improves the mechanical strength of aluminium, typically by other metal ingredients are added, generates different types of aluminium alloy.Existing
In generation life, aluminium and aluminium alloy have been widely used in various industries.
Aluminium alloy has advantages below：
(1) density is small：Density is small to be had very much for the vehicles such as aerospace craft, ship, vehicle and building lightweight
Benefit, in communications and transportation, can greatly reduce oil consumption, while portage and processing charges can also be saved, reduces cost, industry,
The application in the fields such as construction industry, civilian industry is more and more extensive.
(2) good corrosion resistance, weatherability：Aluminium and aluminium alloy can form one layer of hard and fine and close, tool in an atmosphere
There is the oxide-film of good corrosion energy, be surface-treated by anodic oxidation, electrophoretic coating, powder spray etc., can further carry
The corrosion resistance of aluminium high.
(3) good machinability and dicoration：Aluminium alloy has good plasticity, can be processed into all size, shape
The product of shape, the film layer of heterogeneity, different colours can be generated by surface treatment, with good dicoration.
(4) good thermal conductivity：The thermal conductivity of aluminium alloy is about the 50.6% of copper, and this is to manufacture heat exchanger, steaming
Hair device, heating electrical appliance, cooking utensils, and the cylinder cap of automobile are highly beneficial with radiator.
(5) good malleability：Aluminium alloy can be forged into intensity high, shape and forging various in style, they
The range of choice of final part forging design standard is very wide in range.
(6) good solderability：Aluminium alloy can be connected with method miscellaneous, including melting welding, electric resistance welding, hard solder, soft
Weldering, bonding and the such as mechanical means of riveting and bolt etc.
(7) high recyclability：With primary aluminium alloy almost without difference, this point closes aluminium to the characteristic of secondary aluminium alloy
Favorite of the gold as environmentalist, the feature of environmental protection is fairly good.
(8) aluminium alloy has specific strength high, specific stiffness, fracture toughness and fatigue strength, replaces ferrous materials big with it
The big weight for mitigating zero component, increases the stability of structure.As a kind of structural timber, in liquid missile, carrier rocket
It is used widely with aircraft, it is also quite varied in other sector applications.
(9) special aluminum alloy has high resistivity, and these alloys can be used in the motor such as high torque (HT).
Electromagnetic shielding is the effect for producing decay to electromagnetic wave using electromagnetic shield, and it is various that reduction electromagnetic radiation brings
Adverse effect and harm.It it has been now mobile phone, computer popularization epoch, in order to prevent various commercial plants and civil electrical equipment
Due to the harm that Electromagnetic Interference is produced, and prevent the secret caused by leakage of information to be ravesdropping, be using electromangnetic spectrum
It is very necessary.
With developing rapidly for information-intensive society and widely using for e-machine, urban human occupies spacing electromagnetic radiation density and gets over
Come bigger.Electronic product and technology also bring harm simultaneously while bringing huge convenient.It is mainly manifested in electricity
Magnetic radiation not only produces interference to e-machine, e-machine malfunction is occurred, influences the normal work of machine, or even occur tight
Weight accident and harm, can also produce information leakage, serious information security issue occur.In addition, research shows, for a long time in electromagnetism
Working Life under radiation condition, can also cause harm to the physical and mental health of people.Therefore, WHO is by electromagnetism spoke
The fourth-largest pollution being classified as after after water, air, noxious waste pollution is penetrated, electromagnetic radiation protection also has become in the world very
The hot research problem of concern.
The principle of electromagnetic wave absorbent material is incident electromagnetic wave can be absorbed in material internal, and be transformed into heat energy.
Its mechanism of absorption mainly has following three kinds：One is that resistive absorbs, and this absorbing material has certain electric conductivity, makees in electromagnetic wave
Under, there is electron motion in inside, when internal crystal framework resistance is overcome, the mutual conversion of electric energy and heat energy, electromagnetism wave energy occur
Amount is absorbed；Two is that dielectricity absorbs, and under high-frequency electromagnetic field action, originally the material internal dispersate of insulation is due to electricity for material
Hold and inductive effect produces electric conductivity, overcome impedance, produce electronics flowing, wave frequency is higher, and effect is more notable, and electricity occurs
Can be absorbed with the mutual conversion of heat energy, electromagnetic wave energy；Three is that magnetic absorbs, and mainly using magnetic material, it is internal quite
In there is numerous tiny magnets, internal magnets direction changes will have the regular hour to postpone, and produce resistance, be equivalent to resistance and show
As, there is the mutual conversion of electric energy and heat energy, electromagnetic wave energy is absorbed.
With the high frequency and internationalization of industrial products, the application of electromangnetic spectrum also becomes increasingly to be necessary, separately
Outward, the reliability and cost requirement for shielding product also can be further strict.On the one hand, each industrial enterprise all is seeking to reduce
Equipment investment, on the other hand, to the shield technology for buildings in general it is necessary to consider reduces cost in order to popularization and application
Problem.
Now, the electromagnetic wave absorb of sheet-type partly put into it is actually used, as already explained, for typically building
Build the occasion that thing etc. considers application shield technology, it is necessary to which the particular mask object to mobile phone etc. is shielded.Therefore, using thin
Template electromagnetic wave absorb, not exclusively shields（Reflection）Electromagnetic wave, and be to prevent electromagnetic wave from inside to outside or from outside to inside
A kind of method that leakage is taken.
However, this sheet-type electromagnetic wave absorb there are still some drawbacks.Due to using upper inconvenience and cost
The reasons such as costliness, it is impossible in building field large-scale application.And to shielding electromagnetic waves efficiency also than relatively low, it is impossible to adapt to people
To the protection requirements of electromagnetic radiation.
The content of the invention
In order to overcome existing sheet-type electromagnetic wave absorb to exist high cost, absorption efficiency is relatively low the problems such as, this hair
It is bright that a kind of aluminum alloy materials for having decoration and electromagnetic protection effect concurrently and preparation method thereof are provided.The material has dicoration
By force, the advantages of low cost, electromagnetic absorption efficiency high, can be applied to building field etc. needs to decorate on a large scale and electromagnetic protection
Occasion, the preparation method simplifies production flow from principle formula, refining, treatment, shaping one continuous line, shortens life
The product cycle.
To realize above-mentioned target, the present invention uses following technical scheme：
A kind of aluminium alloy material material formula, it is characterised in that alloying element is Al, Si, Mg, Cu, Fe, the raw material of each alloying element
It is required that being the pure element powder that purity is more than 99%, and it is by weight percentage：Si 0.25 ~ 0.35%, Mg 0.5 ~
0.7%, Fe≤0.15%, Cu≤0.07%, balance of Al, each component sum is 100%.Alloying ingredient is 10 μm of copper powders, 2 μ
M aluminium powders, 20 μm of magnesium powders, 6 ~ 9 μm of silica flours and 2 ~ 3 μm of iron powders.
A kind of aluminium alloy preparation method for having decoration and electromagnetic protection effect concurrently, comprises the following steps：
1）Dispensing：Alloy raw material, Si 0.25 ~ 0.35%, Mg 0.5 ~ 0.7%, Fe≤0.15%, Cu are configured according to following component
≤ 0.07%, balance of Al, each component sum are 100%；Wherein, Al, Si, Mg, Cu, Fe are the pure element of purity more than 99%
Powder, alloying ingredient is 10 μm of copper powders, 2 μm of aluminium powders, 20 μm of magnesium powders, 6 ~ 9 μm of Si powder and 2 ~ 3 μm of iron powders.
2）Grinding：Element powders are on light-duty ball mill with 180 revs/min of speed ball milling 24h.
3）Sintering：Compound material body carries out cryogenic high pressure vacuum heating-press sintering in vacuum sintering funace, and vacuum≤
0.01Pa, sintering temperature is 560 DEG C, and sintering time is 5h, and sintering pressure is 100MPa,
4）Heat treatment：High temperature solid solution heat treatment is carried out to the sintered body using cryogenic high pressure vacuum heating-press sintering, temperature is 650
DEG C, vacuum≤0.01Pa, sintering time 15h.
5）Extruding：By hot extrusion, extruding front mold preheating temperature is 485 DEG C to sample after sintering, and extrusion ratio is 4：1~
15 ：1, extruding rate is 1.5m/min.
6）Solid solution：Extrusion carries out one-level solid solution 2h at 470 DEG C, and 485 DEG C of two grades of solid solution 3h are warming up to afterwards.
7）Timeliness：Extrusion in room temperature water of quenching, then carries out one-level timeliness after two grades of solid solutions are completed at 120 DEG C
24h, is warming up to 180 DEG C of secondary time effect 2h, is cooled to 120 DEG C of three-step aging 24h.
8）Cleaning overlay film：Coating protective film after workpiece surface is cleaned；
9）Blasting treatment：Blasting treatment is carried out to workpiece surface so that the part diaphragm of workpiece surface is grit blasted to be taken away, and
Workpiece surface leaves pit；
10）First time anodic oxidation：Workpiece is placed in acid tank liquor carries out anodic oxidation；
11）Cleaning：Workpiece is washed to PH values neutral；
12）Coating electromagnetic-wave absorbent：After implementing plasma surface treatment to workpiece, spray or dip-coating electromagnetic-wave absorbent,
Then the low temperature drying below 90 degrees Celsius；
13）Sealing of hole：Workpiece is soaked in hole sealing agent, 90-100 degrees Celsius of temperature, soak time 20-40 minutes, hole sealing agent
Concentration 5-10g/l；
14）Coloring：Workpiece is positioned in oxidation cylinder and soaks coloring；
15）It is cleaned and dried：Finally workpiece is cleaned, is dried.
Wherein, step 8）Described in diaphragm be Parafilm, the Parafilm by atoleine, solid paraffin lysate or
Both persons are formed after arbitrarily being spontaneously dried than the dilute solution with solvent in workpiece surface；
Step 10）The acid tank liquor that middle first time anodic oxidation is used is the sulfuric acid of concentration 100-300g/l, and temperature keeps
22-29 degrees Celsius, anodizing time is 30-50 minutes, and oxidation voltage is 10-15V；
Step 12）Middle electromagnetic-wave absorbent is water nano Fe3O4 Slurry, water nano Fe3O4Slurry solids quality percentage
Than being 4%-35%, surfactant is polyethylene glycol, and its mass percent is 0.5%-3.5%；
Step 13）Described in hole sealing agent be nickel hole sealing agent；
Step 14）The middle colorant concentration for using is 12-20g/l, 30-45 degrees Celsius of temperature, coloration time 3-5 minutes.
The advantages of the present invention are：By the dispensing of aluminium alloy, making, coating microwave defense material, coloring etc.
Operation one continuous line completes, and has saved intermediate step, reduces production cost, and disposably produce and have decorative effect and electricity concurrently
The aluminum alloy materials of magnetic safeguard function.
Specific embodiment
With reference to embodiment, the invention will be further described.
Embodiment
A kind of aluminium alloy material material formula, it is characterised in that alloying element be Al, Si, Mg, Cu, Fe, each alloying element
Ingredient requirement is the pure element powder that purity is more than 99%, and is by weight percentage：Si 0. 35%, Mg 0.6%, Fe
0.12%, Cu 0.07%, balance of Al, each component sum are 100%.Alloying ingredient be 10 μm of copper powders, 2 μm of aluminium powders, 20 μm
Magnesium powder, 6 ~ 9 μm of silica flours and 2 ~ 3 μm of iron powders.
A kind of aluminium alloy preparation method for having decoration and electromagnetic protection effect concurrently, comprises the following steps：
1）Dispensing：Alloy raw material, Si 0. 35%, Mg 0.6%, Fe 0.12%, Cu 0.07%, surplus are configured according to following component
It is Al, each component sum is 100%；Wherein, Al, Si, Mg, Cu, Fe are the pure element powder of purity more than 99%, alloying ingredient
It is 10 μm of copper powders, 2 μm of aluminium powders, 20 μm of magnesium powders, 6 ~ 9 μm of Si powder and 2 ~ 3 μm of iron powders.
2）Grinding：Element powders are on light-duty ball mill with 180 revs/min of speed ball milling 24h.
3）Sintering：Compound material body carries out cryogenic high pressure vacuum heating-press sintering in vacuum sintering funace, and vacuum≤
0.01Pa, sintering temperature is 560 DEG C, and sintering time is 5h, and sintering pressure is 100MPa,
4）Heat treatment：High temperature solid solution heat treatment is carried out to the sintered body using cryogenic high pressure vacuum heating-press sintering, temperature is 650
DEG C, vacuum≤0.01Pa, sintering time 15h.
5）Extruding：By hot extrusion, extruding front mold preheating temperature is 485 DEG C to sample after sintering, and extrusion ratio is 8：1,
Extruding rate is 1.5m/min.
6）Solid solution：Extrusion carries out one-level solid solution 2h at 470 DEG C, and 485 DEG C of two grades of solid solution 3h are warming up to afterwards.
7）Timeliness：Extrusion in room temperature water of quenching, then carries out one-level timeliness after two grades of solid solutions are completed at 120 DEG C
24h, is warming up to 180 DEG C of secondary time effect 2h, is cooled to 120 DEG C of three-step aging 24h.
8）Cleaning overlay film：Coating protective film after workpiece surface is cleaned；
9）Blasting treatment：Blasting treatment is carried out to workpiece surface so that the part diaphragm of workpiece surface is grit blasted to be taken away, and
Workpiece surface leaves pit；
10）First time anodic oxidation：Workpiece is placed in acid tank liquor carries out anodic oxidation；
11）Cleaning：Workpiece is washed to PH values neutral；
12）Coating electromagnetic-wave absorbent：After implementing plasma surface treatment to workpiece, spray or dip-coating electromagnetic-wave absorbent,
Then the low temperature drying below 90 degrees Celsius；
13）Sealing of hole：Workpiece is soaked in hole sealing agent, 95 degrees Celsius of temperature, soak time 30 minutes, sealing of hole agent concentration 7g/l
；
14）Coloring：Workpiece is positioned in oxidation cylinder and soaks coloring；
15）It is cleaned and dried：Finally workpiece is cleaned, is dried.
Wherein, step 8）Described in diaphragm be Parafilm, the Parafilm by atoleine spontaneously dry after in workpiece
Surface is formed；
Step 10）The acid tank liquor that middle first time anodic oxidation is used is the sulfuric acid of concentration 200g/l, and temperature holding 25 is Celsius
Degree, anodizing time is 40 minutes, and oxidation voltage is 12V；
Step 12）Middle electromagnetic-wave absorbent is water nano Fe3O4 Slurry, water nano Fe3O4Slurry solids quality percentage
Than being 15%, surfactant is polyethylene glycol, and its mass percent is 2%；
Step 13）Described in hole sealing agent be nickel hole sealing agent；
Step 14）The middle colorant concentration for using is 15g/l, 35 degrees Celsius of temperature, coloration time 5 minutes.
Finally it should be noted that：Obviously, above-described embodiment is only intended to clearly illustrate example of the present invention, and simultaneously
The non-restriction to implementation method.For those of ordinary skill in the field, can also do on the basis of the above description
Go out the change or variation of other multi-forms.There is no need and unable to be exhaustive to all of implementation method.And thus drawn
Among the obvious change or variation stretched out are still in protection scope of the present invention.
Claims (7)
1. a kind of aluminium alloy material material formula, it is characterised in that：The alloying element is Al, Si, Mg, Cu, Fe, each alloying element
Ingredient requirement be pure element powder that purity is more than 99%, and be by weight percentage：Si 0.25 ~ 0.35%, Mg
0.5 ~ 0.7%, Fe≤0.15%, Cu≤0.07%, balance of Al, each component sum is 100%；Alloying ingredient is 10 μm of copper
Powder, 2 μm of aluminium powders, 20 μm of magnesium powders, 6 ~ 9 μm of silica flours and 2 ~ 3 μm of iron powders.
2. it is a kind of to have the aluminium alloy preparation method decorated with electromagnetic protection effect concurrently, it is characterised in that the preparation method includes
Following steps：
1）Dispensing：Alloy raw material, Si 0.25 ~ 0.35%, Mg 0.5 ~ 0.7%, Fe≤0.15%, Cu are configured according to following component
≤ 0.07%, balance of Al, each component sum are 100%；Wherein, Al, Si, Mg, Cu, Fe are the pure element of purity more than 99%
Powder, alloying ingredient is 10 μm of copper powders, 2 μm of aluminium powders, 20 μm of magnesium powders, 6 ~ 9 μm of Si powder and 2 ~ 3 μm of iron powders；
2）Grinding：Element powders are on light-duty ball mill with 180 revs/min of speed ball milling 24h；
3）Sintering：Compound material body carries out cryogenic high pressure vacuum heating-press sintering in vacuum sintering funace, and vacuum≤
0.01Pa, sintering temperature is 560 DEG C, and sintering time is 5h, and sintering pressure is 100MPa；
4）Heat treatment：High temperature solid solution heat treatment is carried out to the sintered body using cryogenic high pressure vacuum heating-press sintering, temperature is 650
DEG C, vacuum≤0.01Pa, sintering time 15h；
5）Extruding：By hot extrusion, extruding front mold preheating temperature is 485 DEG C to sample after sintering, and extrusion ratio is 4：1~15 ：
1, extruding rate is 1.5m/min；
6）Solid solution：Extrusion carries out one-level solid solution 2h at 470 DEG C, and 485 DEG C of two grades of solid solution 3h are warming up to afterwards；
7）Timeliness：Extrusion in room temperature water of quenching, then carries out one-level timeliness 24h after two grades of solid solutions are completed at 120 DEG C, rises
Temperature is cooled to 120 DEG C of three-step aging 24h to 180 DEG C of secondary time effect 2h；
8）Cleaning overlay film：Coating protective film after workpiece surface is cleaned；
9）Blasting treatment：Blasting treatment is carried out to workpiece surface so that the part diaphragm of workpiece surface is grit blasted to be taken away, and
Workpiece surface leaves pit；
10）First time anodic oxidation：Workpiece is placed in acid tank liquor carries out anodic oxidation；
11）Cleaning：Workpiece is washed to PH values neutral；
12）Coating electromagnetic-wave absorbent：After implementing plasma surface treatment to workpiece, spray or dip-coating electromagnetic-wave absorbent,
Then the low temperature drying below 90 degrees Celsius；
13）Sealing of hole：Workpiece is soaked in hole sealing agent, 90-100 degrees Celsius of temperature, soak time 20-40 minutes, hole sealing agent
Concentration 5-10g/l；
14）Coloring：Workpiece is positioned in oxidation cylinder and soaks coloring；
15）It is cleaned and dried：Finally workpiece is cleaned, is dried.
It is 3. a kind of as claimed in claim 2 to have the aluminium alloy preparation method decorated with electromagnetic protection effect concurrently, it is characterised in that：
Step 8）Described in diaphragm be Parafilm, the Parafilm is by atoleine, solid paraffin lysate or the two any ratio
Formed in workpiece surface after being spontaneously dried with the dilute solution of solvent.
It is 4. a kind of as claimed in claim 2 to have the aluminium alloy preparation method decorated with electromagnetic protection effect concurrently, it is characterised in that：
Step 10）The acid tank liquor that middle first time anodic oxidation is used is the sulfuric acid of concentration 100-300g/l, and temperature keeps 22-29
Degree Celsius, anodizing time is 30-50 minutes, and oxidation voltage is 10-15V.
It is 5. a kind of as claimed in claim 2 to have the aluminium alloy preparation method decorated with electromagnetic protection effect concurrently, it is characterised in that：
Step 12）Middle electromagnetic-wave absorbent is water nano Fe3O4Slurry, water nano Fe3O4Slurry solids mass percent is
4%-35%, surfactant is polyethylene glycol, and its mass percent is 0.5%-3.5%.
It is 6. a kind of as claimed in claim 2 to have the aluminium alloy preparation method decorated with electromagnetic protection effect concurrently, it is characterised in that：
Step 13）Described in hole sealing agent be nickel hole sealing agent.
It is 7. a kind of as claimed in claim 2 to have the aluminium alloy preparation method decorated with electromagnetic protection effect concurrently, it is characterised in that：
Step 14）The middle colorant concentration for using is 12-20g/l, 30-45 degrees Celsius of temperature, coloration time 3-5 minutes.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108193098A (en) * | 2017-12-28 | 2018-06-22 | 池州市安安精工铝业有限公司 | A kind of high-strength aluminum-magnesium alloy for bike rack component |
| CN111155156A (en) * | 2019-12-27 | 2020-05-15 | 广州市中海达测绘仪器有限公司 | Surface treatment process for aluminum profile |
| CN112899594A (en) * | 2021-02-24 | 2021-06-04 | 东莞冠熹精密五金制品有限公司 | 7003 forging process for aluminum series material |
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| JPH10226857A (en) * | 1997-02-19 | 1998-08-25 | Aisin Keikinzoku Kk | Brightness aluminum alloy for extrusion excellent in surface property |
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| CN103194776A (en) * | 2013-03-25 | 2013-07-10 | 东莞旭光五金氧化制品有限公司 | Manufacturing method for aluminum-based electromagnetic absorption plate |
| CN103205611A (en) * | 2013-03-27 | 2013-07-17 | 成都阳光铝制品有限公司 | Aluminum alloy suitable for producing industrial aluminum strip plates and production process of aluminum alloy |
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| CN108193098A (en) * | 2017-12-28 | 2018-06-22 | 池州市安安精工铝业有限公司 | A kind of high-strength aluminum-magnesium alloy for bike rack component |
| CN111155156A (en) * | 2019-12-27 | 2020-05-15 | 广州市中海达测绘仪器有限公司 | Surface treatment process for aluminum profile |
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Application publication date: 20170531 |