CN108441712A - A kind of high-weatherability aluminium alloy extrusions and its production technology - Google Patents
A kind of high-weatherability aluminium alloy extrusions and its production technology Download PDFInfo
- Publication number
- CN108441712A CN108441712A CN201810183485.0A CN201810183485A CN108441712A CN 108441712 A CN108441712 A CN 108441712A CN 201810183485 A CN201810183485 A CN 201810183485A CN 108441712 A CN108441712 A CN 108441712A
- Authority
- CN
- China
- Prior art keywords
- parts
- aluminium alloy
- alloy extrusions
- weatherability
- aluminium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000838 Al alloy Inorganic materials 0.000 title description 81
- 238000001125 extrusion Methods 0.000 title description 37
- 238000004519 manufacturing process Methods 0.000 title description 10
- 238000005516 engineering process Methods 0.000 title description 6
- 239000002994 raw material Substances 0.000 description 21
- 229910052782 aluminium Inorganic materials 0.000 description 20
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 18
- 239000004411 aluminium Substances 0.000 description 15
- 230000003647 oxidation Effects 0.000 description 15
- 238000007254 oxidation reaction Methods 0.000 description 15
- 238000010438 heat treatment Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 13
- 239000000843 powder Substances 0.000 description 13
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 9
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 9
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 9
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 9
- 238000000137 annealing Methods 0.000 description 9
- 229910052787 antimony Inorganic materials 0.000 description 9
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 9
- 229910052797 bismuth Inorganic materials 0.000 description 9
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 9
- 238000005266 casting Methods 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 9
- 239000010949 copper Substances 0.000 description 9
- 229910052742 iron Inorganic materials 0.000 description 9
- 239000011777 magnesium Substances 0.000 description 9
- 229910052749 magnesium Inorganic materials 0.000 description 9
- 229910052702 rhenium Inorganic materials 0.000 description 9
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 description 9
- 239000010703 silicon Substances 0.000 description 9
- 229910052710 silicon Inorganic materials 0.000 description 9
- 239000010936 titanium Substances 0.000 description 9
- 229910052719 titanium Inorganic materials 0.000 description 9
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 9
- 229910052721 tungsten Inorganic materials 0.000 description 9
- 239000010937 tungsten Substances 0.000 description 9
- 239000011701 zinc Substances 0.000 description 9
- 229910052725 zinc Inorganic materials 0.000 description 9
- 229910052726 zirconium Inorganic materials 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 8
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 8
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 8
- 238000002844 melting Methods 0.000 description 8
- 230000008018 melting Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 238000004321 preservation Methods 0.000 description 7
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 229910017083 AlN Inorganic materials 0.000 description 4
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 235000013162 Cocos nucifera Nutrition 0.000 description 4
- 244000060011 Cocos nucifera Species 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 4
- 229960000892 attapulgite Drugs 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 4
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000010903 husk Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000000395 magnesium oxide Substances 0.000 description 4
- 229910052863 mullite Inorganic materials 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 229910052625 palygorskite Inorganic materials 0.000 description 4
- 239000001103 potassium chloride Substances 0.000 description 4
- 235000011164 potassium chloride Nutrition 0.000 description 4
- 238000002791 soaking Methods 0.000 description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 description 4
- 230000001550 time effect Effects 0.000 description 4
- 238000010792 warming Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 241000254158 Lampyridae Species 0.000 description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 235000013312 flour Nutrition 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000005275 alloying Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007590 electrostatic spraying Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000010436 fluorite Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Extrusion Of Metal (AREA)
Abstract
The invention discloses a kind of high-weatherability aluminium alloy extrusions, include the raw material of following parts by weight：79.2 90.6 parts of aluminium, 0.5 1 parts of copper, 0.5 1 parts of manganese, 1.2 4 parts of magnesium, 0.2 0.7 parts of zinc, 12 parts of silicon, 12 parts of titanium, 12 parts of iron, 0.3 0.8 parts of zirconium, 36 parts of tungsten, 0.1 0.3 parts of bismuth, 0.3 0.5 parts of antimony, 0.3 0.5 parts of rhenium.The invention also discloses a kind of production technologies of high-weatherability aluminium alloy extrusions, include the following steps：Dispensing melting is cast, annealing, and two-step method heat treatment squeezes, timeliness, cold treatment, oxidation.The advantage of the invention is that：By being added adjustment proportioning by a certain percentage to each alloying element, to improve the weatherability of aluminium alloy extrusions, a kind of aluminium alloy extrusions of high-weatherability is finally obtained；In addition, the simple production process of the aluminium alloy extrusions, period are short, efficient, it is suitable for large-scale production.
Description
Technical field
The present invention relates to aluminium alloy extrusions technical field more particularly to a kind of high-weatherability aluminium alloy extrusions and its production works
Skill.
Background technology
Since aluminium alloy section structure intensity is big, it is light-weight, easy to make the features such as, it has also become it is a kind of at present widely used
Structure and decorative material, but since based on one metallic aluminium of aluminum alloy base material, chemical property is active, and there are this to be easy to aoxidize
The problems such as, the deficiencies of also resulting in aluminium alloy extrusions there is easy to wear, oxidation stains, cause aluminium alloy extrusions weather resistance compared with
Difference, therefore at present in aluminium alloy extrusions production, often using by method that aluminium alloy extrusions is surface-treated come gram
Clothes are above insufficient, and currently used surface treatment method has：Anodic oxidation, electrostatic spraying, electrophoretic coating and fluorocarbon-sprayed etc. several
Kind, although the problems such as these methods can improve aluminium alloy extrusions easy to wear, oxidation stain to a certain extent, simultaneously there is also
Many deficiencies, it is easy to wear and oxidizable since aluminium alloy extrusions material does not change after face coat is impaired
The deficiencies of it is still fairly obvious.
Therefore, it is badly in need of researching and developing a kind of new high-weatherability aluminium alloy extrusions at present.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of high-weatherability aluminium alloy extrusions and its lifes
Production. art.
The present invention is achieved by the following technical solutions：A kind of high-weatherability aluminium alloy extrusions, including following parts by weight
Several raw materials：79.2-90.6 parts of aluminium, 0.5-1 parts of copper, 0.5-1 parts of manganese, 1.2-4 parts of magnesium, 0.2-0.7 parts of zinc, 1-2 parts of silicon, titanium 1-
2 parts, 1-2 parts of iron, 0.3-0.8 parts of zirconium, 3-6 parts of tungsten, 0.1-0.3 parts of bismuth, 0.3-0.5 parts of antimony, 0.3-0.5 parts of rhenium.
One of preferred embodiment as the present invention, includes the raw material of following parts by weight：85.05 parts of aluminium, 0.75 part of copper, manganese
0.75 part, 2.5 parts of magnesium, 0.45 part of zinc, 1.5 parts of silicon, 1.5 parts of titanium, 1.5 parts of iron, 0.5 part of zirconium, 4.5 parts of tungsten, 0.2 part of bismuth, antimony 0.4
Part, 0.4 part of rhenium.
One of preferred embodiment as the present invention, includes the raw material of following parts by weight：87.65 parts of aluminium, 0.6 part of copper, manganese
0.6 part, 2 parts of magnesium, 0.3 part of zinc, 1.2 parts of silicon, 1.2 parts of titanium, 1.2 parts of iron, 0.4 part of zirconium, 4 parts of tungsten, 0.15 part of bismuth, 0.35 part of antimony,
0.35 part of rhenium.
One of preferred embodiment as the present invention, includes the raw material of following parts by weight：82.55 parts of aluminium, 0.8 part of copper, manganese
0.8 part, 3 parts of magnesium, 0.6 part of zinc, 1.8 parts of silicon, 1.8 parts of titanium, 1.8 parts of iron, 0.7 part of zirconium, 5 parts of tungsten, 0.25 part of bismuth, 0.45 part of antimony,
0.45 part of rhenium.
A kind of technique producing above-mentioned high-weatherability aluminium alloy extrusions, includes the following steps：
(1) dispensing and melting：The raw material for weighing above-mentioned parts by weight respectively carries out dispensing, then smelting furnace is added in each raw material
It is interior, it is warming up to furnace charge and starts softening when staying, spread the covering of last layer coverture to molten surface, after furnace charge is completely melt, take off
Go out surface scum, it is 700-750 DEG C to keep melting in-furnace temperature, and high melt 5-7h obtains molten aluminium alloy；
(2) it casts：Obtained molten aluminium alloy is cast as casting rod, cuts into stub, removes the oxide skin on its surface, obtains
To aluminium alloy cast ingot；
(3) it anneals：Obtained aluminium alloy cast ingot is subjected to homogenizing annealing 21-24h；
(4) two-step method is heat-treated：Aluminium alloy cast ingot is subjected to double-stage heating, aluminium alloy cast ingot is heated to 300-350 DEG C
1-1.5h is kept the temperature, after air-cooled, continues to be heated to 450-500 DEG C of heat preservation 2.5-3.5h, the aluminium alloy cast ingot that obtains that treated；
(5) it squeezes：Aluminium alloy cast ingot after heat treatment is squeezed to obtain aluminium alloy extrusions by section mould for aluminium alloy；
(6) timeliness：To aluminium alloy extrusions carry out level-one ageing treatment, temperature be 430-500 DEG C, time 50-120min, so
Afterwards by after its water cooling to room temperature, then secondary time effect heat treatment is carried out, temperature is 150-200 DEG C, time 2-12h, then is air-cooled to room
Temperature obtains timeliness proximate matter；
(7) cold treatment：By in 15-25min after the aluminium alloy extrusions after timeliness again solution hardening, it is placed in liquid nitrogen and carries out
Cold treatment, wherein cold treatment temperature is (- 200)-(- 185) DEG C, soaking time 15-45min；
(8) oxidation processes：It puts the profile into sulfuric acid solution, using aluminium section bar as anode, pure aluminum plate is cathode, production oxidation
Film.
As one of the preferred embodiment of the present invention, in the step (1), coverture by following parts by weight coverture raw material
It mixes：9 parts of sodium carbonate, 4 parts of potassium chloride, 5 parts of glass powder, 6 parts of schmigel, 8 parts of Fluorspar Powder, 3 parts of coconut husk powdered carbon, aluminium nitride
6 parts, 5 parts of magnesia powder, 8 parts of mullite powder, 4 parts of attapulgite.
In temperature it is 700- by obtained molten aluminium alloy in the step (2) as one of the preferred embodiment of the present invention
720 DEG C, casting speed is cast as casting rod under conditions of being 70-85mm/min, cuts into the stub that length is 500-600mm,
The oxide skin for removing its surface, obtains aluminium alloy cast ingot.
As one of preferred embodiment of the invention, in the step (3), it is in annealing temperature by obtained aluminium alloy cast ingot
Homogenizing annealing 21-24h is carried out under conditions of 460-475 DEG C.
One of preferred embodiment as the present invention, in the step (5), it is 300-320 DEG C that mold, which is first preheating to temperature,
Aluminium alloy cast ingot after heat treatment is squeezed by section mould for aluminium alloy, it is 450-480 DEG C to squeeze temperature, extruding force 320-
330KN obtains aluminium alloy extrusions.
One of preferred embodiment as the present invention, in the step (8), puts the profile into the sulfuric acid solution for 150g/L
In, using aluminium section bar as anode, pure aluminum plate is cathode, and the average thickness for producing oxidation film is 3-5 μm.
The present invention compared with prior art the advantages of be：Matched by being added adjustment by a certain percentage to each alloying element
Than to improve the weatherability of aluminium alloy extrusions, finally obtaining a kind of aluminium alloy extrusions of high-weatherability；In addition, the aluminium alloy
The simple production process of proximate matter, period are short, efficient, are suitable for large-scale production.
Specific implementation mode
It elaborates below to the embodiment of the present invention, the present embodiment is carried out lower based on the technical solution of the present invention
Implement, gives detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementation
Example.
Embodiment 1
A kind of high-weatherability aluminium alloy extrusions of the present embodiment, includes the raw material of following parts by weight：90.6 parts of aluminium, copper
0.5 part, 0.5 part of manganese, 1.2 parts of magnesium, 0.2 part of zinc, 1 part of silicon, 1 part of titanium, 1 part of iron, 0.3 part of zirconium, 3 parts of tungsten, 0.1 part of bismuth, antimony 0.3
Part, 0.3 part of rhenium.
Embodiment 2
A kind of high-weatherability aluminium alloy extrusions of the present embodiment, includes the raw material of following parts by weight：79.2 parts of aluminium, copper 1
Part, 1 part of manganese, 4 parts of magnesium, 0.7 part of zinc, 2 parts of silicon, 2 parts of titanium, 2 parts of iron, 0.8 part of zirconium, 6 parts of tungsten, 0.3 part of bismuth, 0.5 part of antimony, rhenium 0.5
Part.
Embodiment 3
A kind of high-weatherability aluminium alloy extrusions of the present embodiment, includes the raw material of following parts by weight：85.05 parts of aluminium, copper
0.75 part, 0.75 part of manganese, 2.5 parts of magnesium, 0.45 part of zinc, 1.5 parts of silicon, 1.5 parts of titanium, 1.5 parts of iron, 0.5 part of zirconium, 4.5 parts of tungsten, bismuth
0.2 part, 0.4 part of antimony, 0.4 part of rhenium.
Embodiment 4
A kind of high-weatherability aluminium alloy extrusions of the present embodiment, includes the raw material of following parts by weight：87.65 parts of aluminium, copper
0.6 part, 0.6 part of manganese, 2 parts of magnesium, 0.3 part of zinc, 1.2 parts of silicon, 1.2 parts of titanium, 1.2 parts of iron, 0.4 part of zirconium, 4 parts of tungsten, 0.15 part of bismuth, antimony
0.35 part, 0.35 part of rhenium.
Embodiment 5
A kind of high-weatherability aluminium alloy extrusions of the present embodiment, includes the raw material of following parts by weight：82.55 parts of aluminium, copper
0.8 part, 0.8 part of manganese, 3 parts of magnesium, 0.6 part of zinc, 1.8 parts of silicon, 1.8 parts of titanium, 1.8 parts of iron, 0.7 part of zirconium, 5 parts of tungsten, 0.25 part of bismuth, antimony
0.45 part, 0.45 part of rhenium.
Embodiment 6
A kind of production technology of high-weatherability aluminium alloy extrusions of the present embodiment, includes the following steps：
(1) dispensing and melting：The raw material for weighing parts by weight in above-described embodiment respectively carries out dispensing, then each raw material is added
Enter in smelting furnace, be warming up to furnace charge and start softening when staying, the covering of last layer coverture is spread to molten surface, when furnace charge is completely molten
After change, surface scum is clawed, it is 700 DEG C to keep melting in-furnace temperature, and high melt 5h obtains molten aluminium alloy；Wherein, it covers
Agent is mixed by the coverture raw material of following parts by weight：9 parts of sodium carbonate, 4 parts of potassium chloride, 5 parts of glass powder, 6 parts of schmigel, firefly
8 parts of mountain flour, 3 parts of coconut husk powdered carbon, 6 parts of aluminium nitride, 5 parts of magnesia powder, 8 parts of mullite powder, 4 parts of attapulgite；
(2) it casts：By obtained molten aluminium alloy temperature be 700 DEG C, casting speed be 70mm/min under conditions of cast
Casting rod is caused, the stub that length is 500mm is cut into, removes the oxide skin on its surface, obtain aluminium alloy cast ingot.
(3) it anneals：Obtained aluminium alloy cast ingot is subjected to homogenizing annealing 21h under conditions of annealing temperature is 460 DEG C；
(4) two-step method is heat-treated：Aluminium alloy cast ingot is subjected to double-stage heating, aluminium alloy cast ingot is heated to 300 DEG C of heat preservations
1h after air-cooled, continues to be heated to 450 DEG C of heat preservation 2.5h, the aluminium alloy cast ingot that obtains that treated；
(5) it squeezes：It is 300 DEG C that mold, which is first preheating to temperature, and the aluminium alloy cast ingot after heat treatment is passed through aluminium alloy type
Material mold squeezes, and it is 450 DEG C to squeeze temperature, and extruding force 320KN obtains aluminium alloy extrusions；
(6) timeliness：Level-one ageing treatment is carried out to aluminium alloy extrusions, temperature is 430 DEG C, time 50min, then by its water
After being cooled to room temperature, then secondary time effect heat treatment is carried out, temperature is 150 DEG C, time 2h, then is air-cooled to room temperature and obtains timeliness proximate matter；
(7) cold treatment：In 15min after aluminium alloy extrusions after timeliness again solution hardening, will be placed in liquid nitrogen carry out it is cold
Processing, wherein cold treatment temperature is -200 DEG C, soaking time 15min；
(8) oxidation processes：It puts the profile into the sulfuric acid solution for 150g/L, using aluminium section bar as anode, pure aluminum plate is the moon
Pole produces oxidation film, and the average thickness of oxidation film is 3 μm.
Embodiment 7
A kind of production technology of high-weatherability aluminium alloy extrusions of the present embodiment, includes the following steps：
(1) dispensing and melting：The raw material for weighing parts by weight in above-described embodiment respectively carries out dispensing, then each raw material is added
Enter in smelting furnace, be warming up to furnace charge and start softening when staying, the covering of last layer coverture is spread to molten surface, when furnace charge is completely molten
After change, surface scum is clawed, it is 750 DEG C to keep melting in-furnace temperature, and high melt 7h obtains molten aluminium alloy；Wherein, it covers
Agent is mixed by the coverture raw material of following parts by weight：9 parts of sodium carbonate, 4 parts of potassium chloride, 5 parts of glass powder, 6 parts of schmigel, firefly
8 parts of mountain flour, 3 parts of coconut husk powdered carbon, 6 parts of aluminium nitride, 5 parts of magnesia powder, 8 parts of mullite powder, 4 parts of attapulgite；
(2) it casts：By obtained molten aluminium alloy temperature be 720 DEG C, casting speed be 85mm/min under conditions of cast
Casting rod is caused, the stub that length is 600mm is cut into, removes the oxide skin on its surface, obtain aluminium alloy cast ingot.
(3) it anneals：Obtained aluminium alloy cast ingot is subjected to homogenizing annealing for 24 hours under conditions of annealing temperature is 475 DEG C；
(4) two-step method is heat-treated：Aluminium alloy cast ingot is subjected to double-stage heating, aluminium alloy cast ingot is heated to 350 DEG C of heat preservations
1.5h after air-cooled, continues to be heated to 500 DEG C of heat preservation 3.5h, the aluminium alloy cast ingot that obtains that treated；
(5) it squeezes：It is 320 DEG C that mold, which is first preheating to temperature, and the aluminium alloy cast ingot after heat treatment is passed through aluminium alloy type
Material mold squeezes, and it is 480 DEG C to squeeze temperature, and extruding force 330KN obtains aluminium alloy extrusions；
(6) timeliness：Level-one ageing treatment is carried out to aluminium alloy extrusions, temperature is 500 DEG C, time 120min, then by it
After water cooling to room temperature, then secondary time effect heat treatment is carried out, temperature is 200 DEG C, time 12h, then is air-cooled to acting type when room temperature obtains
Material；
(7) cold treatment：In 25min after aluminium alloy extrusions after timeliness again solution hardening, will be placed in liquid nitrogen carry out it is cold
Processing, wherein cold treatment temperature is -185 DEG C, soaking time 45min；
(8) oxidation processes：It puts the profile into the sulfuric acid solution for 150g/L, using aluminium section bar as anode, pure aluminum plate is the moon
Pole produces oxidation film, and the average thickness of oxidation film is 5 μm.
Embodiment 8
A kind of production technology of high-weatherability aluminium alloy extrusions of the present embodiment, includes the following steps：
(1) dispensing and melting：The raw material for weighing parts by weight in above-described embodiment respectively carries out dispensing, then each raw material is added
Enter in smelting furnace, be warming up to furnace charge and start softening when staying, the covering of last layer coverture is spread to molten surface, when furnace charge is completely molten
After change, surface scum is clawed, it is 720 DEG C to keep melting in-furnace temperature, and high melt 6h obtains molten aluminium alloy；Wherein, it covers
Agent is mixed by the coverture raw material of following parts by weight：9 parts of sodium carbonate, 4 parts of potassium chloride, 5 parts of glass powder, 6 parts of schmigel, firefly
8 parts of mountain flour, 3 parts of coconut husk powdered carbon, 6 parts of aluminium nitride, 5 parts of magnesia powder, 8 parts of mullite powder, 4 parts of attapulgite；
(2) it casts：By obtained molten aluminium alloy temperature be 710 DEG C, casting speed be 80mm/min under conditions of cast
Casting rod is caused, the stub that length is 550mm is cut into, removes the oxide skin on its surface, obtain aluminium alloy cast ingot.
(3) it anneals：Obtained aluminium alloy cast ingot is subjected to homogenizing annealing 22h under conditions of annealing temperature is 470 DEG C；
(4) two-step method is heat-treated：Aluminium alloy cast ingot is subjected to double-stage heating, aluminium alloy cast ingot is heated to 325 DEG C of heat preservations
1.2h after air-cooled, continues to be heated to 480 DEG C of heat preservation 3h, the aluminium alloy cast ingot that obtains that treated；
(5) it squeezes：It is 310 DEG C that mold, which is first preheating to temperature, and the aluminium alloy cast ingot after heat treatment is passed through aluminium alloy type
Material mold squeezes, and it is 470 DEG C to squeeze temperature, and extruding force 325KN obtains aluminium alloy extrusions；
(6) timeliness：Level-one ageing treatment is carried out to aluminium alloy extrusions, temperature is 460 DEG C, time 85min, then by its water
After being cooled to room temperature, then secondary time effect heat treatment is carried out, temperature is 175 DEG C, time 7h, then is air-cooled to room temperature and obtains timeliness proximate matter；
(7) cold treatment：In 20min after aluminium alloy extrusions after timeliness again solution hardening, will be placed in liquid nitrogen carry out it is cold
Processing, wherein cold treatment temperature is -190 DEG C, soaking time 30min；
(8) oxidation processes：It puts the profile into the sulfuric acid solution for 150g/L, using aluminium section bar as anode, pure aluminum plate is the moon
Pole produces oxidation film, and the average thickness of oxidation film is 4 μm.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of high-weatherability aluminium alloy extrusions, which is characterized in that include the raw material of following parts by weight：79.2-90.6 parts of aluminium,
0.5-1 parts of copper, 0.5-1 parts of manganese, 1.2-4 parts of magnesium, 0.2-0.7 parts of zinc, 1-2 parts of silicon, 1-2 parts of titanium, 1-2 parts of iron, zirconium 0.3-0.8
Part, 3-6 parts of tungsten, 0.1-0.3 parts of bismuth, 0.3-0.5 parts of antimony, 0.3-0.5 parts of rhenium.
2. high-weatherability aluminium alloy extrusions according to claim 1, which is characterized in that include the original of following parts by weight
Material：85.05 parts of aluminium, 0.75 part of copper, 0.75 part of manganese, 2.5 parts of magnesium, 0.45 part of zinc, 1.5 parts of silicon, 1.5 parts of titanium, 1.5 parts of iron, zirconium 0.5
Part, 4.5 parts of tungsten, 0.2 part of bismuth, 0.4 part of antimony, 0.4 part of rhenium.
3. high-weatherability aluminium alloy extrusions according to claim 1, which is characterized in that include the original of following parts by weight
Material：87.65 parts of aluminium, 0.6 part of copper, 0.6 part of manganese, 2 parts of magnesium, 0.3 part of zinc, 1.2 parts of silicon, 1.2 parts of titanium, 1.2 parts of iron, 0.4 part of zirconium, tungsten
4 parts, 0.15 part of bismuth, 0.35 part of antimony, 0.35 part of rhenium.
4. high-weatherability aluminium alloy extrusions according to claim 1, which is characterized in that include the original of following parts by weight
Material：82.55 parts of aluminium, 0.8 part of copper, 0.8 part of manganese, 3 parts of magnesium, 0.6 part of zinc, 1.8 parts of silicon, 1.8 parts of titanium, 1.8 parts of iron, 0.7 part of zirconium, tungsten
5 parts, 0.25 part of bismuth, 0.45 part of antimony, 0.45 part of rhenium.
5. a kind of technique producing the claims 1-4 any one of them high-weatherability aluminium alloy extrusions, which is characterized in that
Include the following steps：
(1) dispensing and melting：The raw material for weighing above-mentioned parts by weight respectively carries out dispensing, then each raw material is added in smelting furnace,
It is warming up to furnace charge and starts softening when staying, spread the covering of last layer coverture to molten surface, after furnace charge is completely melt, claw table
Face dross, it is 700-750 DEG C to keep melting in-furnace temperature, and high melt 5-7h obtains molten aluminium alloy；
(2) it casts：Obtained molten aluminium alloy is cast as casting rod, cuts into stub, removes the oxide skin on its surface, obtains aluminium
Alloy cast ingot；
(3) it anneals：Obtained aluminium alloy cast ingot is subjected to homogenizing annealing 21-24h；
(4) two-step method is heat-treated：Aluminium alloy cast ingot is subjected to double-stage heating, aluminium alloy cast ingot is heated to 300-350 DEG C of heat preservation
1-1.5h after air-cooled, continues to be heated to 450-500 DEG C of heat preservation 2.5-3.5h, the aluminium alloy cast ingot that obtains that treated；
(5) it squeezes：Aluminium alloy cast ingot after heat treatment is squeezed to obtain aluminium alloy extrusions by section mould for aluminium alloy；
(6) timeliness：Level-one ageing treatment is carried out to aluminium alloy extrusions, temperature is 430-500 DEG C, time 50-120min, then will
After its water cooling to room temperature, then secondary time effect heat treatment is carried out, temperature is 150-200 DEG C, time 2-12h, then is air-cooled to room temperature and obtains
Then acting type material；
(7) cold treatment：By in 15-25min after the aluminium alloy extrusions after timeliness again solution hardening, it is placed in liquid nitrogen and carries out cold place
Reason, wherein cold treatment temperature is (- 200)-(- 185) DEG C, soaking time 15-45min；
(8) oxidation processes：It puts the profile into sulfuric acid solution, using aluminium section bar as anode, pure aluminum plate is cathode, produces oxidation film.
6. the production technology of high-weatherability aluminium alloy extrusions according to claim 5, which is characterized in that the step (1)
In, coverture is mixed by the coverture raw material of following parts by weight：9 parts of sodium carbonate, 4 parts of potassium chloride, 5 parts of glass powder, corundum
6 parts of powder, 8 parts of Fluorspar Powder, 3 parts of coconut husk powdered carbon, 6 parts of aluminium nitride, 5 parts of magnesia powder, 8 parts of mullite powder, 4 parts of attapulgite.
7. the production technology of high-weatherability aluminium alloy extrusions according to claim 5, which is characterized in that the step (2)
In, by obtained molten aluminium alloy temperature be 700-720 DEG C, casting speed be 70-85mm/min under conditions of be cast as
Casting rod cuts into the stub that length is 500-600mm, removes the oxide skin on its surface, obtain aluminium alloy cast ingot.
8. the production technology of high-weatherability aluminium alloy extrusions according to claim 5, which is characterized in that the step (3)
In, obtained aluminium alloy cast ingot is subjected to homogenizing annealing 21-24h under conditions of annealing temperature is 460-475 DEG C.
9. the production technology of high-weatherability aluminium alloy extrusions according to claim 5, which is characterized in that the step (5)
In, it is 300-320 DEG C that mold, which is first preheating to temperature, and the aluminium alloy cast ingot after heat treatment is squeezed by section mould for aluminium alloy
Pressure, it is 450-480 DEG C to squeeze temperature, and extruding force 320-330KN obtains aluminium alloy extrusions.
10. the production technology of high-weatherability aluminium alloy extrusions according to claim 5, which is characterized in that the step (8)
In, it puts the profile into the sulfuric acid solution for 150g/L, using aluminium section bar as anode, pure aluminum plate is cathode, produces the flat of oxidation film
Equal thickness is 3-5 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810183485.0A CN108441712A (en) | 2018-03-06 | 2018-03-06 | A kind of high-weatherability aluminium alloy extrusions and its production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810183485.0A CN108441712A (en) | 2018-03-06 | 2018-03-06 | A kind of high-weatherability aluminium alloy extrusions and its production technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108441712A true CN108441712A (en) | 2018-08-24 |
Family
ID=63193725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810183485.0A Pending CN108441712A (en) | 2018-03-06 | 2018-03-06 | A kind of high-weatherability aluminium alloy extrusions and its production technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108441712A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110373575A (en) * | 2019-08-07 | 2019-10-25 | 安庆市泽烨新材料技术推广服务有限公司 | A kind of cable aluminium alloy and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0489427A1 (en) * | 1990-12-05 | 1992-06-10 | Sumitomo Metal Industries, Ltd. | Surface-coated aluminum material |
| CN102978472A (en) * | 2012-11-09 | 2013-03-20 | 安徽欣意电缆有限公司 | Al-Fe-Bi-RE aluminum alloy, and preparation method and power cable thereof |
| CN103103424A (en) * | 2013-03-06 | 2013-05-15 | 东北轻合金有限责任公司 | Manufacturing method of aviation aluminum alloy profiles |
| CN104962765A (en) * | 2015-06-12 | 2015-10-07 | 浙江米皇铝业股份有限公司 | High-weather-resistance aluminum alloy profile |
-
2018
- 2018-03-06 CN CN201810183485.0A patent/CN108441712A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0489427A1 (en) * | 1990-12-05 | 1992-06-10 | Sumitomo Metal Industries, Ltd. | Surface-coated aluminum material |
| CN102978472A (en) * | 2012-11-09 | 2013-03-20 | 安徽欣意电缆有限公司 | Al-Fe-Bi-RE aluminum alloy, and preparation method and power cable thereof |
| CN103103424A (en) * | 2013-03-06 | 2013-05-15 | 东北轻合金有限责任公司 | Manufacturing method of aviation aluminum alloy profiles |
| CN104962765A (en) * | 2015-06-12 | 2015-10-07 | 浙江米皇铝业股份有限公司 | High-weather-resistance aluminum alloy profile |
Non-Patent Citations (2)
| Title |
|---|
| 孙志敏 等: "《铝及铝合金加工技术》", 31 December 2013, 冶金工业出版社 * |
| 王祝堂: "《变形铝合金热处理工艺》", 31 December 2011, 中南大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110373575A (en) * | 2019-08-07 | 2019-10-25 | 安庆市泽烨新材料技术推广服务有限公司 | A kind of cable aluminium alloy and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108441711A (en) | A kind of anticorrosion aluminium ally section and its production technology | |
| CN103484736B (en) | Strong 6000 line aluminium alloys of a kind of superelevation and preparation method thereof | |
| CN106222501B (en) | A kind of electronic product casing extruding aluminium alloy and its manufacture method | |
| CN106521268B (en) | Aluminum alloy for consumer electronics shell and preparation method and application thereof | |
| CN105397045B (en) | The casting and rolling device and casting-rolling method of a kind of aluminum alloy slab | |
| CN104745902B (en) | High strength Al-Mg-Si-Cu alloy for bicycles and processing technology thereof | |
| CN104726753A (en) | Preparation method of aluminum alloy section for doors/windows | |
| CN109266885B (en) | One kind is containing 6063 aluminium alloy of strontium and preparation method thereof | |
| CN109504884A (en) | Polynary a small amount of high-strength plasticity magnesium alloy and its heavy reduction short flow process | |
| CN108396206A (en) | A kind of Al-Mg-Zn aluminium alloy welding wires and preparation method thereof | |
| CN106282695A (en) | A kind of 6061 aluminium alloys of doped with rare-earth elements yttrium and preparation method thereof | |
| CN109881031A (en) | A kind of production method of 7072 alloy blank | |
| CN108359860A (en) | A kind of high heat conduction aluminium alloy extrusions and its production technology | |
| CN103710601B (en) | A kind of hot rolling magnesium-zinc alloy thin plate and preparation method thereof | |
| CN105018765A (en) | Titanium-zinc alloy and fabrication method of titanium-zinc alloy plate | |
| CN104404326A (en) | 7A85 aluminium alloy hot-top casting process and 7A85 aluminium alloy ingot | |
| CN111690855A (en) | Aluminum alloy extrusion material for bearing block and manufacturing method thereof | |
| CN108441712A (en) | A kind of high-weatherability aluminium alloy extrusions and its production technology | |
| CN104561638B (en) | A kind of Al2O3The preparation method of dispersed and strengthened copper-based composite material | |
| CN103725943B (en) | Magnesium alloy sheet and preparation method thereof | |
| CN108118223A (en) | A kind of high-strength low-density bcc structures magnesium lithium alloy bar and preparation method thereof | |
| CN105950913A (en) | High-strength high-plasticity Zn-Cu-Ti alloy and preparation method thereof | |
| CN107805733B (en) | A kind of multi-component high-conductivity beryllium bronze alloy and its preparation method | |
| CN110438378A (en) | A kind of 2 line aluminium alloy melting and casting methods | |
| CN109207753A (en) | A kind of heat-insulating bridge-cut-off aluminum alloy doors and windows section bar processing technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180824 |
|
| RJ01 | Rejection of invention patent application after publication |