CN108588592A - A kind of high-intensity aluminium garden lamp stand pedestal and its processing method - Google Patents
A kind of high-intensity aluminium garden lamp stand pedestal and its processing method Download PDFInfo
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/08—Making alloys containing metallic or non-metallic fibres or filaments by contacting the fibres or filaments with molten metal, e.g. by infiltrating the fibres or filaments placed in a mould
- C22C47/12—Infiltration or casting under mechanical pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/007—Semi-solid pressure die casting
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
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Abstract
The present invention relates to a kind of high-intensity aluminium garden lamp stand pedestal and its processing methods, belong to the processing technique field of electric lighting parts, which is made of aluminium alloy, and the aluminium alloy is by following constituent and its mass percentage composition：Si：0.15 0.3%, Zr：0.01 0.2%, Sc：0.1 0.8%, Mn：0.05 1.5%, Mg：0.02 0.2%, carbon fiber：0.005 0.03%, nano-calcium carbonate：0.003 0.015%, sodium carbonate：0.01 0.1%, calcium chloride：0.05 0.2%, surplus is Al and inevitable impurity；Aluminium alloy component is smelted into aluminium alloy, the casting and forming under semi-solid state, and applying coating, finally obtains the aluminum garden lamp stand pedestal of high intensity, corrosion resistance and excellent in mechanical performance.
Description
Technical field
The present invention relates to a kind of high-intensity aluminium garden lamp stand pedestal and its processing methods, belong to the processing technology of aluminum products
Field.
Background technology
Aluminium alloy is with density is small, specific strength and specific stiffness are higher, corrosion resistance is good and electrical and thermal conductivity is excellent, recycling is held
Easily, the features such as low temperature performance well, it is widely used in the fields such as communications and transportation, aerospace, electronic apparatus.But aluminium alloy is being applied
In often fail because of corrosion, this not only causes heavy economic losses, also usually causes accident.Every year because of corrosion such as metal, equipment
Caused by loss account for the 2%~4% of gross national product.
High-strength aluminum alloy has the characteristics that density is small, intensity is high, processing performance is good and welding performance is excellent, is important
High-strength light structural material.Due to not only having high tensile strength, but also higher toughness and corrosion resistance, high intensity aluminium can be kept
Alloy have boundless application prospect, be widely used in the fields such as aircraft industry and civilian industry, in decades, aluminium and
The application of aluminium alloy is challenged by titanium or titanium alloy and composite material, but it does not have substantially as the status of agent structure material
Change.Many countries are all carrying out the research and development of novel high-strength/tenacity aluminum alloy and its parts in the world, and achieve
Great progress is greatly promoted the application of such material in the industrial production.
Aluminium alloy ignores its corrosion resistance in the prior art during often pursuing high intensity, and improves its corrosion proof mistake
The requirement of high intensity can be ignored in journey again, and the influence factor of alloy property focuses primarily upon alloy raw material group and is grouped as and processes
The selection of method, therefore in order to solve the problems, such as that the prior art is easy to ignore selects suitable alloy compositions to form and processing
Method is particularly important.
Invention content
The purpose of the present invention is being directed to the above-mentioned problems in the prior art, a kind of high intensity, corrosion-resistant and power are provided
Learn aluminum garden lamp stand pedestal of good performance and its processing method.
Object of the invention can be realized by the following technical scheme：A kind of high-intensity aluminium garden lamp stand pedestal, it is described
Aluminum garden lamp stand pedestal be made of aluminium alloy, the aluminium alloy is by following constituent and its mass percentage composition：
Si：0.15-0.3%, Zr：0.01-0.2%, Sc：0.1-0.8%, Mn：0.0 5-1.5%, Mg：0.02-0.2%, carbon fiber：
0.005-0.03%, nano-calcium carbonate：0.003-0.015%, sodium carbonate：0.01-0.1%, calcium chloride：0.05-0.2%, it is remaining
Amount is Al and inevitable impurity.
Sc and Zr are added in the aluminium alloy of aluminum garden lamp stand pedestal of the present invention, Sc can form Al3Sc crystalline phases with Al,
The crystalline phase aluminium alloy deformation in hot procedure can effectively pinning crystal boundary, enable aluminum alloy to remain small grains group
It knits, to significantly improve the recrystallization temperature and thermal stability of aluminium alloy, while the addition of Zr can change Sc in solid solution
Solubility, form new AlScZr phases, significantly refine the size of the phase containing Sc, improve the density of the phase containing Sc, can strong inhibition edge
Brilliant fracture tendency is conducive to the intensity and fracture toughness that improve aluminium alloy.Though the addition of Sc and Zr improves the intensity of aluminium alloy
And toughness, but it is limited to the corrosion resisting property contribution for improving aluminium alloy, therefore the present invention adds Mn, Mg, the two collaboration suppression again
Intercrystalline corrosion is made, the formation of MnAl6 phases is promoted, and MnAl6 phases can not only refine recrystal grain, can also dissolve miscellaneous
Matter iron to reduce corrosion of the iron to aluminium alloy, while promoting Mg5Al8 compound homogeneous precipitations, improves aluminium alloy to many-sided
Corrosion resisting property.And it is additionally added suitable carbon fiber and nanometer in the aluminium alloy of high-intensity aluminium garden lamp stand pedestal of the present invention
Calcium carbonate, the two act synergistically together, and the ordered arrangement for promoting aluminium alloy interior molecules and uniformly diffusion increase substantially aluminum
The intensity of garden lamp stand pedestal and thermostabilization and chemical stability.If the content of carbon fiber is more than 0.03% in the present invention, can promote
The anisotropy for making alloy also brings along larger texture density, and alloy is caused under using state to there is stronger crystallography to knit
Low-alloyed mobility drops in structure, the final mechanical property for influencing alloy, if the amount of nano-calcium carbonate is more than in the same present invention
0.01%, space steric effect enhancing has an adverse effect to cured directionality, and final cured position can be made to exist
Become to disperse very much in entire alloy, this is easy for generating the low-alloyed densification degree of shrinkage defect drop, finally drops low-alloyed
Corrosion resisting property.Sodium carbonate and calcium chloride can drop low-alloyed smelting temperature as composite fluxing agent, not only environmentally friendly but also energy saving,
The impurity and gas in physical-chemical reaction removing alloy can also occur with alloy, increase substantially the yield and corrosion resistance of alloy
Energy.
In above-mentioned aluminum garden lamp stand pedestal, the mass ratio of nano-calcium carbonate and carbon fiber is (0.8-1.5)：1.When two
(it is less than 0.8 when person's mass is smaller：1), the content of nano-calcium carbonate is relatively low, and dispersibility is restricted, and cannot promote carbon
Fiber is dispersed in alloy, and in alloy Local enrichment, causes alloy locally larger texture density, leads to the microcosmic of alloy
Configuration is uneven, and then influences its mechanical property.But (it is more than 1.5 when the two quality is bigger：1), though carbon fiber can be promoted equal
Even dispersion, but excessive nano-calcium carbonate its space steric effect greatly enhances hinders merging for carbon fiber and alloy, and weakens
The effect of carbon fiber in the alloy, while also will produce shrinkage defect and dropping low-alloyed densification degree, and influence the resistance to of alloy
Corrosion.
Second object of the present invention is to provide a kind of processing method of above-mentioned aluminum garden lamp stand pedestal, it is described plus
Work method includes the following steps：
S1, weigh raw material by the ingredient and its mass percent of above-mentioned aluminum garden lamp stand pedestal aluminium alloy, by Si, Zr,
Sc, Mn, Mg, Al, sodium carbonate and calcium chloride are smelted into aluminium alloy 1 in Vltrasonic device；
S2, aluminium alloy 1 is heated up, carbon fiber, nano-calcium carbonate is added while stirring, while being passed through inert gas and obtaining alloy
Liquid 2；
S3, semi-solid alloy liquid is descended into obtain in the stirring of aluminium alloy 2；
S4, semi-solid alloy liquid injection mould punching is cast into obtain aluminum garden lamp stand pedestal semi-finished product；
S5, in aluminum garden lamp stand pedestal surface of semi-finished applying coating liquid, obtain final aluminum garden lamp stand pedestal finished product.
The present invention uses semi-solid alloy liquid processing method, and aluminium alloy generates pressure under rotating excitation field effect in this method
Flowing keeps the dendritic network skeleton being easily formed broken and retains the n on-dendritic gritty texture form disperseed, is suspended in surplus
In extraction raffinate phase, while uniform temperature fields in melt can also be promoted, reduce temperature gradient, while reduce the cooling speed of aluminium alloy
Rate, to promote the transformation of column crystal orientation equiax crystal；And the flowing in aluminium alloy can promote the inclusion floating in melt,
So as to improve the solidified structure of alloy and improve its mechanical property and intensity.In addition, semi-solid alloy liquid processing method institute
Alloy structure obtained is tiny, it is fine and close, be evenly distributed, gross segregation is not present, and stamping press is used during punch forming
It is smaller, it is conducive to extend die life.
Under normal conditions, the chemical property of aluminium is active, and standard electrode potential is low, the surface of the aluminium shape immediately in dry air
The dense oxidation film of Cheng Houyue 1-3nm, corrosion resistance is poor, and hardness is low, wears no resistance, so that aluminium and its alloy product
Comprehensive performance and service life are had a greatly reduced quality, it is therefore desirable to surfacecti proteon processing is carried out to it, and in alloy surface applying coating
It is exactly a kind of simple and effective safeguard measure, coating forms fine and close protective film by curing process and is covered in alloy surface, every
Cesium alloy is chemically reacted with the external world, inhibits that intercrystalline corrosion occurs inside alloy, and then increase substantially the corrosion resistance of alloy
Energy.
In the processing method of above-mentioned aluminum garden lamp stand pedestal, the frequency of ultrasonic wave is in step S1：25-40Hz melts
The temperature of refining is 600-700 DEG C.The equilibrium state that alloy gas system and field trash system can be changed by physics ultrasound, matches
It closes fluxing agent effect the gas and solid inclusions of alloy melt are completely separated out, to improve aluminum garden lamp stand pedestal
Corrosion resistance.Excessively high supersonic frequency is not easy to generate cavity effect with the gas core in aluminium alloy (more than 40Hz) in the present invention,
And big energy caused by ultrasound is converted into thermal energy, and the bulk temperature of aluminium alloy is made to increase and influence its microscopic structures.It crosses
Low supersonic frequency (being less than 25Hz), will not cause any state change of aluminium alloy gas core, not have the effect of removal of impurities degasification.
In the processing method of above-mentioned aluminum garden lamp stand pedestal, 750-850 DEG C will be warming up in aluminium alloy 1.If heating
Temperature is less than 750 DEG C, and carbon fiber, nano-calcium carbonate and aluminium alloy 1 cannot be sufficiently mixed, and warming temperature is higher than 850 DEG C, portion
Pyrolytic occurs for point nano-calcium carbonate, and the gas of generation can hinder the flowing of aluminium alloy, be unfavorable for the formation of alloy crystalline phase and
Cause crystal grain coarse.
In the processing method of above-mentioned aluminum garden lamp stand pedestal, the inert gas is one kind in argon gas, helium
Or two kinds.
In the processing method of above-mentioned aluminum garden lamp stand pedestal, temperature is maintained using thermocouple in 2 whipping process of aluminium alloy
Degree, electric thermo-couple temperature are 500-560 DEG C.In the present invention when electric thermo-couple temperature is less than 500 DEG C, solid rate increases considerably,
During follow-up punch forming, it can not only increase stamping pressure, it is uneven to will also result in alloy distributed mutually.When electric thermo-couple temperature height
When 560 DEG C, solid rate is relatively low, and primary crystal is easy to form dendrite, and reduces the mechanical property of alloy material.
In the processing method of above-mentioned aluminum garden lamp stand pedestal, the stirring is electromagnetic agitation, the electromagnetic agitation
Electric current be 400-480A, frequency 3-6Hz, mixing time 40-60min.When the electric current of magnetic stirrer is less than 400A, frequency
When rate is less than 3Hz, the cooling rate of aluminium alloy is slower, causes solid rate 0.2 or so, and the primary crystal formed at this time is in a manner of dendrite
It grows up, and excessive dendrite forms contiguous network skeleton, loses macroscopical mobility, and then influence the mechanical property of alloy material
Energy.If the electric current of magnetic stirrer is higher than in 480A, frequency is higher than 6Hz, and generated magnetic field intensity is larger, although can hold very much
Dendritic network skeleton easily is smashed, but can also break the crystal phase structure of aluminium alloy formation simultaneously, and the structure for reducing alloy material is steady
It is qualitative.
In the processing method of above-mentioned aluminum garden lamp stand pedestal, the coating solution component and its mass percent are：
Ethyl orthosilicate：25-40%, Ludox：20-50%, nano-titanium dioxide：5-15%, nano silicon dioxide：10-20%, coconut palm
Seed oil diethanolamine of fat acyl：1-3%, polysorbate60：3-5%.In coating solution of the present invention ethyl orthosilicate with Ludox is compound makes
With the two mutually cooperates with, and promotes the precipitation of silicic acid, and silicic acid is the colloidal solution for having certain degree of polymerization, in nanometer titanium dioxide
Under the action of silicon, the auto polymerization ability of silicate solution is significantly promoted, and polymerization forms { Si (OH)4}n, this polymer is with moisture
Continuous evaporation be finally polycondensed into-Si-O-Si-, form coating.But the binding force of the coating and matrix is smaller and chemical stability
Deficiency, therefore the present invention adds nano-titanium dioxide in coating solution, nano-titanium dioxide have good dispersion performance, attached
Put forth effort and chemical stability, the binding force and stability of coating solution can be improved, while it can also adsorb the soda acid in air
Property gas, and reduce corrosion of the pernicious gas to coating in air, further function as the effect of protection alloy substrate.Meanwhile this
Coconut oil fat acyl diethanol amine, polysorbate60 are also added into invention coating solution, coconut oil fat acyl diethanol amine can be complete
It is dissolved in polysorbate60, both as complexed surfactant, collaboration reduces the free energy of alloy surface, allows coating solution and alloy
Matrix preferably contacts, while can also coordinate the stability of nano-titanium dioxide raising coating solution.Lead in coating solution of the present invention
Each component reasonable compatibility is crossed, the corrosion resistance, mechanical property and stability of alloy material are significantly improved.
Compared with prior art, the invention has the advantages that：
1. Zr, Sc, Mn, Mg mutually cooperate with mutual restriction in the present invention, the anti-corrosion of aluminum garden lamp stand pedestal is significantly improved
Performance and mechanical property, while carbon fiber is mutually cooperateed with nano-calcium carbonate, promotes the flowing of alloy phase and having for alloy molecule
Sequence arranges, and aluminum garden lamp stand pedestal obtained is made to have high intensity.Further, sodium carbonate and calcium chloride is compound can not only drop
Impurity and gas in physical-chemical reaction removing alloy can also occur with alloy for low-alloyed smelting temperature, energy saving
While increase substantially the yield and corrosion resisting property of alloy.
2. the present invention uses semi-solid alloy liquid processing method, using ultrasound removal of impurities degasification, and by magnetic fields, make conjunction
The dendrite skeleton structure that golden liquid is formed during solid-liquid transformation is broken, while the quick flowing between aluminium alloy can promote melt
Interior inclusion floating, while improving the solidified structure of alloy to improve its mechanical property and intensity, corrosion resisting property
It significantly improves.
3. coating solution compatibility of the present invention is reasonable, ethyl orthosilicate contracts with Ludox under the action of nano silicon dioxide
Poly-, cooperation nano-titanium dioxide, coconut oil fat acyl diethanol amine, polysorbate60 significantly improve the cohesive force and stabilization of coating solution
Property, make the aluminum garden lamp stand pedestal finally obtained that there is splendid corrosion-resistant, mechanical property and extraneous stability.
Specific implementation mode
The following is specific embodiments of the present invention, and illustrates that technical scheme of the present invention will be further described, but this
Invention is not limited to these examples.
Embodiment 1
A kind of high-intensity aluminium garden lamp stand pedestal is made of aluminium alloy, the aluminium alloy by following constituent and its
Mass percentage composition：Si：0.21%, Zr：0.1%, Sc：0.5%, Mn：0.15%, Mg：0.12%, carbon fiber：
0.009%, nano-calcium carbonate：0.012%, sodium carbonate：0.05%, calcium chloride：0.16%, surplus be Al and inevitably it is miscellaneous
Matter.
Weigh raw material by the ingredient and its mass percent of above-mentioned aluminum garden lamp stand pedestal aluminium alloy, by Si, Zr, Sc,
Mn, Mg, Al, sodium carbonate and calcium chloride are smelted into aluminium alloy 1 in 32Hz Vltrasonic devices at 650 DEG C；Aluminium alloy 1 is warming up to
800 DEG C, carbon fiber, nano-calcium carbonate are added while stirring, while being passed through argon gas and helium obtains aluminium alloy 2；Aluminium alloy 2 is placed in
It on 530 DEG C of thermocouples, and stirs 50min under magnetic stirrer and obtains semi-solid alloy liquid, the electric current of wherein magnetic stirrer is
450A, frequency 5Hz；Semi-solid alloy liquid injection mould punching is cast into obtain aluminum garden lamp stand pedestal semi-finished product；In aluminum
Garden lamp stand pedestal surface of semi-finished applying coating liquid, obtains final aluminum garden lamp stand pedestal finished product, wherein coating solution ingredient and
Its mass percent is：Ethyl orthosilicate：32%, Ludox：35%, nano-titanium dioxide：12%, nano silicon dioxide：
15%, coconut oil fat acyl diethanol amine：2%, polysorbate60：4%.
Embodiment 2
A kind of high-intensity aluminium garden lamp stand pedestal is made of aluminium alloy, the aluminium alloy by following constituent and its
Mass percentage composition：Si：0.25%, Zr：0.08%, Sc：0.3%, Mn：0.8%, Mg：0.16%, carbon fiber：
0.009%, nano-calcium carbonate：0.008%, sodium carbonate：0.04%, calcium chloride：0.08%, surplus be Al and inevitably it is miscellaneous
Matter.
Weigh raw material by the ingredient and its mass percent of above-mentioned aluminum garden lamp stand pedestal aluminium alloy, by Si, Zr, Sc,
Mn, Mg, Al, sodium carbonate and calcium chloride are smelted into aluminium alloy 1 in 35Hz Vltrasonic devices at 630 DEG C；Aluminium alloy 1 is warming up to
820 DEG C, carbon fiber, nano-calcium carbonate are added while stirring, while being passed through helium and obtaining aluminium alloy 2；Aluminium alloy 2 is placed in 540 DEG C
On thermocouple, and stirring 45min under magnetic stirrer and obtain semi-solid alloy liquid, the wherein electric current of magnetic stirrer is 440A,
Frequency is 4Hz；Semi-solid alloy liquid injection mould punching is cast into obtain aluminum garden lamp stand pedestal semi-finished product；In aluminum garden lamp
Bar pedestal surface of semi-finished applying coating liquid, obtains final aluminum garden lamp stand pedestal finished product, wherein coating solution ingredient and its quality
Percentage is：Ethyl orthosilicate：36%, Ludox：30%, nano-titanium dioxide：9%, nano silicon dioxide：18%, coconut
Oil and fat acyl diethanol amine：2.5%, polysorbate60：4.5%.
Embodiment 3
A kind of high-intensity aluminium garden lamp stand pedestal is made of aluminium alloy, the aluminium alloy by following constituent and its
Mass percentage composition：Si：0.18%, Zr：0.18%, Sc：0.7%, Mn：1.1%, Mg：0.06%, carbon fiber：
0.013%, nano-calcium carbonate：0.013%, sodium carbonate：0.08%, calcium chloride：0.16%, surplus be Al and inevitably it is miscellaneous
Matter.
Weigh raw material by the ingredient and its mass percent of above-mentioned aluminum garden lamp stand pedestal aluminium alloy, by Si, Zr, Sc,
Mn, Mg, Al, sodium carbonate and calcium chloride are smelted into aluminium alloy 1 in 28Hz Vltrasonic devices at 660 DEG C；Aluminium alloy 1 is warming up to
780 DEG C, carbon fiber, nano-calcium carbonate are added while stirring, while being passed through argon gas and obtaining aluminium alloy 2；Aluminium alloy 2 is placed in 520 DEG C
On thermocouple, and stirring 55min under magnetic stirrer and obtain semi-solid alloy liquid, the wherein electric current of magnetic stirrer is 470A,
Frequency is 4Hz；Semi-solid alloy liquid injection mould punching is cast into obtain aluminum garden lamp stand pedestal semi-finished product；In aluminum garden lamp
Bar pedestal surface of semi-finished applying coating liquid, obtains final aluminum garden lamp stand pedestal finished product, wherein coating solution ingredient and its quality
Percentage is：Ethyl orthosilicate：28%, Ludox：45.5%, nano-titanium dioxide：7.2%, nano silicon dioxide：13%,
Coconut oil fat acyl diethanol amine：2.5%, polysorbate60：3.8%.
Embodiment 4
A kind of high-intensity aluminium garden lamp stand pedestal is made of aluminium alloy, the aluminium alloy by following constituent and its
Mass percentage composition：Si：0.21%, Zr：0.12%, Sc：0.7%, Mn：1.1%, Mg：0.18%, carbon fiber：
0.007%, nano-calcium carbonate：0.014%, sodium carbonate：0.07%, calcium chloride：0.17%, surplus be Al and inevitably it is miscellaneous
Matter.
Weigh raw material by the ingredient and its mass percent of above-mentioned aluminum garden lamp stand pedestal aluminium alloy, by Si, Zr, Sc,
Mn, Mg, Al, sodium carbonate and calcium chloride are smelted into aluminium alloy 1 in 28Hz Vltrasonic devices at 630 DEG C；Aluminium alloy 1 is warming up to
790 DEG C, carbon fiber, nano-calcium carbonate are added while stirring, while being passed through argon gas and obtaining aluminium alloy 2；Aluminium alloy 2 is placed in 560 DEG C
On thermocouple, and stirring 50min under magnetic stirrer and obtain semi-solid alloy liquid, the wherein electric current of magnetic stirrer is 410A,
Frequency is 4Hz；Semi-solid alloy liquid injection mould punching is cast into obtain aluminum garden lamp stand pedestal semi-finished product；In aluminum garden lamp
Bar pedestal surface of semi-finished applying coating liquid, obtains final aluminum garden lamp stand pedestal finished product, wherein coating solution ingredient and its quality
Percentage is：Ethyl orthosilicate：33.5%, Ludox：38.4%, nano-titanium dioxide：8.5%, nano silicon dioxide：
14.3%, coconut oil fat acyl diethanol amine：2.5%, polysorbate60：3.8%.
Embodiment 5
A kind of high-intensity aluminium garden lamp stand pedestal is made of aluminium alloy, the aluminium alloy by following constituent and its
Mass percentage composition：Si：0.28%, Zr：0.02%, Sc：0.3%, Mn：1.4%, Mg：0.18%, carbon fiber：
0.006%, nano-calcium carbonate：0.004%, sodium carbonate：0.03%, calcium chloride：0.07%, surplus be Al and inevitably it is miscellaneous
Matter.
Weigh raw material by the ingredient and its mass percent of above-mentioned aluminum garden lamp stand pedestal aluminium alloy, by Si, Zr, Sc,
Mn, Mg, Al, sodium carbonate and calcium chloride are smelted into aluminium alloy 1 in 38Hz Vltrasonic devices at 690 DEG C；Aluminium alloy 1 is warming up to
830 DEG C, carbon fiber, nano-calcium carbonate are added while stirring, while being passed through argon gas and obtaining aluminium alloy 2；Aluminium alloy 2 is placed in 550 DEG C
On thermocouple, and stirring 45min under magnetic stirrer and obtain semi-solid alloy liquid, the wherein electric current of magnetic stirrer is 430A,
Frequency is 5Hz；Semi-solid alloy liquid injection mould punching is cast into obtain aluminum garden lamp stand pedestal semi-finished product；In aluminum garden lamp
Bar pedestal surface of semi-finished applying coating liquid, obtains final aluminum garden lamp stand pedestal finished product, wherein coating solution ingredient and its quality
Percentage is：Ethyl orthosilicate：38.4%, Ludox：24.5%, nano-titanium dioxide：13.5%, nano silicon dioxide：
17.5%, coconut oil fat acyl diethanol amine：1.3%, polysorbate60：4.8%.
Embodiment 6
A kind of high-intensity aluminium garden lamp stand pedestal is made of aluminium alloy, the aluminium alloy by following constituent and its
Mass percentage composition：Si：0.15%, Zr：0.2%, Sc：0.8%, Mn：0.05%, Mg：0.2%, carbon fiber：0.018%,
Nano-calcium carbonate：0.015%, sodium carbonate：0.1%, calcium chloride：0.2%, surplus is Al and inevitable impurity.
Weigh raw material by the ingredient and its mass percent of above-mentioned aluminum garden lamp stand pedestal aluminium alloy, by Si, Zr, Sc,
Mn, Mg, Al, sodium carbonate and calcium chloride are smelted into aluminium alloy 1 in 25Hz Vltrasonic devices at 600 DEG C；Aluminium alloy 1 is warming up to
750 DEG C, carbon fiber, nano-calcium carbonate are added while stirring, while being passed through helium and obtaining aluminium alloy 2；Aluminium alloy 2 is placed in 500 DEG C
On thermocouple, and stirring 40min under magnetic stirrer and obtain semi-solid alloy liquid, the wherein electric current of magnetic stirrer is 420A,
Frequency is 3Hz；Semi-solid alloy liquid injection mould punching is cast into obtain aluminum garden lamp stand pedestal semi-finished product；In aluminum garden lamp
Bar pedestal surface of semi-finished applying coating liquid, obtains final aluminum garden lamp stand pedestal finished product, wherein coating solution ingredient and its quality
Percentage is：Ethyl orthosilicate：25%, Ludox：50%, nano-titanium dioxide：5.5%, nano silicon dioxide：13.5%,
Coconut oil fat acyl diethanol amine：3%, polysorbate60：3%.
Embodiment 7
A kind of high-intensity aluminium garden lamp stand pedestal is made of aluminium alloy, the aluminium alloy by following constituent and its
Mass percentage composition：Si：0.25%, Zr：0.05%, Sc：0.3%, Mn：0.15%, Mg：0.04%, carbon fiber：
0.014%, nano-calcium carbonate：0.012%, sodium carbonate：0.08%, calcium chloride：0.05%, surplus be Al and inevitably it is miscellaneous
Matter.
Weigh raw material by the ingredient and its mass percent of above-mentioned aluminum garden lamp stand pedestal aluminium alloy, by Si, Zr, Sc,
Mn, Mg, Al, sodium carbonate and calcium chloride are smelted into aluminium alloy 1 in 36Hz Vltrasonic devices at 620 DEG C；Aluminium alloy 1 is warming up to
770 DEG C, carbon fiber, nano-calcium carbonate are added while stirring, while being passed through helium and obtaining aluminium alloy 2；Aluminium alloy 2 is placed in 530 DEG C
On thermocouple, and stirring 50min under magnetic stirrer and obtain semi-solid alloy liquid, the wherein electric current of magnetic stirrer is 430A,
Frequency is 5Hz；Semi-solid alloy liquid injection mould punching is cast into obtain aluminum garden lamp stand pedestal semi-finished product；In aluminum garden lamp
The common commercially available coating solution of bar pedestal surface of semi-finished coating.
Comparative example 1
This comparative example is differed only in embodiment 1, and aluminum garden lamp stand pedestal aluminium alloy stock does not contain nano-sized carbon
Sour calcium.
Comparative example 2
This comparative example is differed only in embodiment 1, and aluminum garden lamp stand pedestal aluminium alloy stock does not contain nanometer two
Titanium oxide.
Comparative example 3
This comparative example is differed only in embodiment 1, and aluminum garden lamp stand pedestal aluminium alloy stock does not contain nano-sized carbon
Sour calcium and nano-titanium dioxide.
Comparative example 4
This comparative example is differed only in embodiment 1, and aluminum garden lamp stand pedestal aluminium alloy stock does not contain sodium carbonate.
Comparative example 5
This comparative example is differed only in embodiment 1, and aluminum garden lamp stand pedestal aluminium alloy stock does not contain calcium chloride.
Comparative example 6
This comparative example is differed only in embodiment 1, and aluminum garden lamp stand pedestal aluminium alloy stock does not contain sodium carbonate
And calcium chloride.
Comparative example 7
This comparative example is differed only in embodiment 1, the not melting in Vltrasonic device.
Comparative example 8
This comparative example is differed only in embodiment 1, and the casting of aluminum garden lamp stand pedestal is carried out using traditional diamond-making technique
It makes.
Comparative example 9
This comparative example is differed only in embodiment 1, not to aluminum garden lamp stand susceptor surface applying coating liquid.
Result such as 1 institute of table that aluminum garden lamp stand pedestal described in embodiment 1-7 and comparative example 1-9 is tested for the property
Show.
Table 1：Aluminum garden lamp stand pedestal the performance test results in embodiment 1-7 and comparative example 1-9
In summary factor, present invention effect are：Al, Si, Zr, Sc, Mn, Mg, carbon fiber, nano-calcium carbonate,
Sodium carbonate, calcium chloride key component compatibility are reasonable, and carbon fiber coordinates with nano-calcium carbonate, sodium carbonate and calcium chloride synergistic effect
Ultrasonic melting also removes impurity and gas in aluminium alloy while effectively improving the yield of aluminium alloy；Using semi-solid alloy
Liquid processing method keeps the dendrite skeleton structure that aluminium alloy is formed during solid-liquid transformation broken, closes simultaneously under magnetic fields
Quick flowing between golden liquid can promote the inclusion floating in melt；The rational coating solution of compatibility is coated, by the above process
Reasonably combined and collective effect, finally obtained intensity is high, the aluminum garden lamp stand pedestal of corrosion resisting property and good mechanical performance.
This place embodiment is in place of the claimed non-limit of technical scope midrange and in embodiment technology
In scheme to single or multiple technical characteristics it is same replacement be formed by new technical solution, equally all the present invention claims
In the range of protection, and between the parameter that is related to of the present invention program if not otherwise specified, then there is no can not between each other
The unique combinations of replacement.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can do various modifications or supplement to described specific embodiment or substitute by a similar method, but simultaneously
The spirit or beyond the scope defined by the appended claims of the present invention is not deviated by.
It is skilled to this field although present invention has been described in detail and some specific embodiments have been cited
For technical staff, as long as it is obvious that can make various changes or correct without departing from the spirit and scope of the present invention.
Claims (9)
1. a kind of high-intensity aluminium garden lamp stand pedestal, which is characterized in that the aluminum garden lamp stand pedestal is by aluminium alloy system
At the aluminium alloy is by following constituent and its mass percentage composition：Si：0.15-0.3%, Zr：0.01-0.2%,
Sc：0.1-0.8%, Mn：0.0 5-1.5%, Mg：0.02-0.2%, carbon fiber：0.005-0.03%, nano-calcium carbonate：
0.003-0.015%, sodium carbonate：0.01-0.1%, calcium chloride：0.05-0.2%, surplus are Al and inevitable impurity.
2. aluminum garden lamp stand pedestal according to claim 1, which is characterized in that the quality of nano-calcium carbonate and carbon fiber
Than for (0.8-1.5)：1.
3. a kind of processing method of aluminum garden lamp stand pedestal as described in claim 1, which is characterized in that the processing side
Method includes the following steps：
S1. be grouped as by aluminium alloy group as described in the appended claim 1 and weigh raw material, by Si, Zr, Sc, Mn, Mg, Al, sodium carbonate and
Calcium chloride is smelted into aluminium alloy 1 in Vltrasonic device；
S2, aluminium alloy 1 is heated up, carbon fiber, nano-calcium carbonate is added while stirring, while being passed through inert gas and obtaining aluminium alloy 2；
S3, semi-solid alloy liquid is descended into obtain in the stirring of aluminium alloy 2；
S4, semi-solid alloy liquid injection mould punching is cast into obtain aluminum garden lamp stand pedestal semi-finished product；
S5, in aluminum garden lamp stand pedestal surface of semi-finished applying coating liquid, obtain final aluminum garden lamp stand pedestal finished product.
4. the processing method of aluminum garden lamp stand pedestal according to claim 3, which is characterized in that ultrasound dress in step S1
The frequency set is：The temperature of 25-40Hz, melting are 600-700 DEG C.
5. the processing method of aluminum garden lamp stand pedestal according to claim 3, which is characterized in that aluminium alloy 1 heats up
To 750-850 DEG C.
6. the processing method of aluminum garden lamp stand pedestal according to claim 3, which is characterized in that the inert gas
For one or both of argon gas, helium.
7. the processing method of aluminum garden lamp stand pedestal according to claim 3, which is characterized in that the stirring is electricity
Magnetic stirs.
8. the processing method of aluminum garden lamp stand pedestal according to claim 7, which is characterized in that the electromagnetic agitation
Electric current be 400-480A, frequency 3-6Hz, mixing time 40-60min.
9. the processing method of aluminum garden lamp stand pedestal according to claim 3, which is characterized in that the coating solution group
Divide and its mass percent is：Ethyl orthosilicate：25-40%, Ludox：20-50%, nano-titanium dioxide：5-15%, nanometer
Silica：10-20%, coconut oil fat acyl diethanol amine：1-3%, polysorbate60：3-5%.
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