CN116640968A - Efficient casting aluminum bar for aluminum profile and preparation method thereof - Google Patents
Efficient casting aluminum bar for aluminum profile and preparation method thereof Download PDFInfo
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- CN116640968A CN116640968A CN202310623461.3A CN202310623461A CN116640968A CN 116640968 A CN116640968 A CN 116640968A CN 202310623461 A CN202310623461 A CN 202310623461A CN 116640968 A CN116640968 A CN 116640968A
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 91
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 238000005266 casting Methods 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims description 28
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical class [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 81
- 239000007822 coupling agent Substances 0.000 claims abstract description 78
- OJMOMXZKOWKUTA-UHFFFAOYSA-N aluminum;borate Chemical compound [Al+3].[O-]B([O-])[O-] OJMOMXZKOWKUTA-UHFFFAOYSA-N 0.000 claims abstract description 68
- 238000011282 treatment Methods 0.000 claims abstract description 58
- 150000001875 compounds Chemical class 0.000 claims abstract description 53
- 239000007788 liquid Substances 0.000 claims abstract description 40
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000002994 raw material Substances 0.000 claims abstract description 33
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 21
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 18
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 18
- 239000011651 chromium Substances 0.000 claims abstract description 18
- 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 claims abstract description 18
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 18
- 229910052718 tin Inorganic materials 0.000 claims abstract description 18
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims description 84
- 239000000243 solution Substances 0.000 claims description 66
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 46
- 239000011863 silicon-based powder Substances 0.000 claims description 40
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 239000007864 aqueous solution Substances 0.000 claims description 26
- 238000002156 mixing Methods 0.000 claims description 25
- 238000001816 cooling Methods 0.000 claims description 24
- 238000007493 shaping process Methods 0.000 claims description 21
- 238000003723 Smelting Methods 0.000 claims description 18
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 18
- 150000002910 rare earth metals Chemical class 0.000 claims description 18
- 229920001661 Chitosan Polymers 0.000 claims description 16
- VQEHIYWBGOJJDM-UHFFFAOYSA-H lanthanum(3+);trisulfate Chemical compound [La+3].[La+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O VQEHIYWBGOJJDM-UHFFFAOYSA-H 0.000 claims description 15
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 14
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 239000008367 deionised water Substances 0.000 claims description 14
- 229910021641 deionized water Inorganic materials 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 14
- 238000005406 washing Methods 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 10
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 9
- 239000011734 sodium Substances 0.000 claims description 9
- 229910052708 sodium Inorganic materials 0.000 claims description 9
- 235000010413 sodium alginate Nutrition 0.000 claims description 9
- 239000000661 sodium alginate Substances 0.000 claims description 9
- 229940005550 sodium alginate Drugs 0.000 claims description 9
- -1 sodium alkyl sulfonate Chemical class 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 8
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 7
- SNAMIIGIIUQQSP-UHFFFAOYSA-N bis(6-methylheptyl) hydrogen phosphate Chemical compound CC(C)CCCCCOP(O)(=O)OCCCCCC(C)C SNAMIIGIIUQQSP-UHFFFAOYSA-N 0.000 claims description 7
- 239000007853 buffer solution Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000008055 phosphate buffer solution Substances 0.000 claims description 7
- ZNCPFRVNHGOPAG-UHFFFAOYSA-L sodium oxalate Chemical compound [Na+].[Na+].[O-]C(=O)C([O-])=O ZNCPFRVNHGOPAG-UHFFFAOYSA-L 0.000 claims description 7
- 229940039790 sodium oxalate Drugs 0.000 claims description 7
- 239000011135 tin Substances 0.000 claims description 7
- 238000013329 compounding Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 229910045601 alloy Inorganic materials 0.000 abstract description 7
- 239000000956 alloy Substances 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 5
- 239000011159 matrix material Substances 0.000 abstract description 3
- 230000002195 synergetic effect Effects 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 8
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 239000012747 synergistic agent Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical class O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000009725 powder blending Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000000126 substance Substances 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
- C22C21/003—Alloys based on aluminium containing at least 2.6% of one or more of the elements: tin, lead, antimony, bismuth, cadmium, and titanium
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
The invention relates to the technical field of casting aluminum bars, and in particular discloses a high-efficiency casting aluminum bar for aluminum profiles, which comprises the following raw materials in parts by weight: 65-70 parts of aluminum, 2-5 parts of nickel, 1-3 parts of manganese, 1-3 parts of chromium, 2-4 parts of tin, 3-7 parts of modified silicon powder synergist and 75-85 parts of aluminum borate whisker modified compound coupling agent treatment liquid. According to the invention, the whisker structure of the aluminum borate whisker is matched with the coupling agent compound agent to be subjected to interface treatment, and meanwhile, the aluminum borate whisker is distributed on the alloy bar matrix through the synergistic improvement of the coordination synergist composed of the raw materials such as nano titanium dioxide, so that the strength and toughness performance of the alloy are obviously improved, the corrosion resistance effect of the product is optimized, and the use efficiency of the product is improved.
Description
Technical Field
The invention relates to the technical field of cast aluminum bars, in particular to a high-efficiency cast aluminum bar for aluminum profiles and a preparation method thereof.
Background
Aluminum alloys are the most widely used class of nonferrous metal structural materials in industry, and have been used in a large number in the aerospace, automotive, mechanical manufacturing, marine and chemical industries. The industrial economy is rapidly developed, and the requirements for aluminum alloy welded structural parts are increased, so that the weldability of aluminum alloy is studied deeply. Aluminum alloys are currently the most widely used alloys.
Chinese patent document CN111733342a discloses a smelting process of a fusion cast aluminum bar for aluminum profile, comprising the following steps; step one, material preparation: step two, smelting raw materials: step three, refining: step four, extrusion molding: cooling the smelting furnace to 420-450 ℃, feeding the smelted furnace into an extruder, and extruding an aluminum bar through the extruder to form an aluminum profile; step five, cooling: naturally ventilating the obtained aluminum profile for 30-50min, and rapidly cooling by an air cooler; step six, subsequent treatment: mechanically polishing the aluminum profile on a polishing machine to obtain an existing fused cast aluminum bar; the raw materials adopted by the aluminum melting and casting bar are relatively existing, the smelting process is relatively conventional, the strength and toughness of the prepared product are difficult to coordinate and improve, and the strength and toughness coordinate and integrate optimization is a technical research point of the invention.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a high-efficiency casting aluminum bar for aluminum profiles and a preparation method thereof, so as to solve the problems in the background art.
The invention solves the technical problems by adopting the following technical scheme:
the invention provides a high-efficiency casting aluminum bar for aluminum profiles, which comprises the following raw materials in parts by weight:
65-70 parts of aluminum, 2-5 parts of nickel, 1-3 parts of manganese, 1-3 parts of chromium, 2-4 parts of tin, 3-7 parts of modified silicon powder synergist and 75-85 parts of aluminum borate whisker modified compound coupling agent treatment liquid.
Preferably, the high-efficiency casting aluminum bar comprises the following raw materials in parts by weight:
67.5 parts of aluminum, 3.5 parts of nickel, 2 parts of manganese, 2 parts of chromium, 3 parts of tin, 5 parts of modified silicon powder synergist and 80 parts of aluminum borate whisker modified compound coupling agent treatment solution.
Preferably, the preparation method of the modified silicon powder co-regulator comprises the following steps:
placing silicon powder into hydrochloric acid solution with the weight being 2-3 times that of the silicon powder, adding sodium alkyl sulfonate with the weight being 5-10% of the total weight of the silicon powder and chitosan water solution with the weight being 1-5% of the total weight of the silicon powder, and uniformly stirring to obtain silicon powder liquid;
s02: adding lanthanum sulfate into sodium alginate solution with the mass fraction of 10-15% according to the weight ratio of 1:5, then adding phosphoric acid buffer solution with the total weight of 5-10% of the total weight of the lanthanum sulfate, and uniformly stirring to obtain rare earth blending solution;
s03: stirring the rare earth blending liquid and the silicon powder liquid according to the weight ratio of 1:5 for reaction treatment, stirring, washing with water and drying to obtain the modified silicon powder co-regulator.
Preferably, the mass fraction of the hydrochloric acid solution is 3-5%; the mass fraction of the chitosan aqueous solution is 10-20%.
Preferably, the pH of the phosphate buffer solution is 5.0-6.0.
Preferably, the stirring speed of the stirring reaction treatment of the S03 is 350-400r/min, the stirring time is 10-20min, and the stirring temperature is 45-55 ℃.
Preferably, the preparation method of the aluminum borate whisker modified compound coupling agent treatment fluid comprises the following steps:
s11: adding a coupling agent KH560 into a sodium oxalate aqueous solution with the mass fraction of 2-5% which is 3-4 times that of the coupling agent KH560, then adding cerium nitrate with the total amount of 1-5% of the coupling agent KH560, and stirring fully to obtain a coupling agent compound agent;
s12: the weight ratio of the aluminum borate whisker is 1:7, adding the aluminum borate whisker into deionized water, then adding hydrochloric acid to adjust the pH value to 5.0, then adding a coupling agent compounding agent accounting for 10-20% of the total amount of the aluminum borate whisker, and stirring fully;
s13: and finally adding a coordination synergist accounting for 1-5% of the total amount of the aluminum borate whisker, and stirring fully to obtain the aluminum borate whisker modified compound coupling agent treatment liquid.
Preferably, the coordination synergist comprises the following raw materials in parts by weight: 2-5 parts of nano titanium dioxide, 1-3 parts of diisooctyl phosphate, 10-15 parts of deionized water and 1-3 parts of sulfuric acid aqueous solution.
Preferably, the mass fraction of the sulfuric acid aqueous solution is 5-10%.
The invention also provides a preparation method of the high-efficiency casting aluminum bar for the aluminum profile, which comprises the following steps:
step one: sequentially adding the aluminum, nickel, manganese, chromium, tin and modified silicon powder coordinator raw materials into the aluminum borate whisker modified compound coupling agent treatment liquid, stirring and mixing uniformly, and then washing and drying;
step two: smelting until smelting is completed, and finally, feeding the mixture into a shaping die for cooling shaping; in the cooling and shaping process, a hot extruder is adopted to extrude at the pressure of 10MPa, and the extrusion temperature is 110-120 ℃;
step three: then heat treating at 320-340 deg.C for 10-15min, then heating to 410-420 deg.C at 1-5 deg.C/min, continuously preserving heat for 5-10min, and finally air cooling to room temperature.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, aluminum and other raw materials are adopted for the fused and cast aluminum rod, the modified silicon powder is proportioned to prepare the synergistic agent, the silicon powder is subjected to activation performance through hydrochloric acid, sodium alkyl sulfonate and other active raw materials, and the chitosan aqueous solution is added, so that the surface interfacial effect of the silicon powder can be enhanced, the modified silicon powder is subjected to intervention modification after being dispersed through sodium alginate solution, the interfacial effect of the silicon powder in the aluminum rod is improved, the strength and toughness of the aluminum rod are improved, the whisker structure of the aluminum borate whisker is matched with the coupling agent to be subjected to interfacial treatment, and meanwhile, the coordinated synergist composed of nano titanium dioxide and other raw materials is synergistically improved, the aluminum borate whisker is distributed on an alloy rod matrix, the strength and toughness performance of an alloy are obviously improved, the corrosion resistance effect of the product is optimized, and the use efficiency of the product is improved.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The high-efficiency casting aluminum bar for the aluminum profile comprises the following raw materials in parts by weight:
65-70 parts of aluminum, 2-5 parts of nickel, 1-3 parts of manganese, 1-3 parts of chromium, 2-4 parts of tin, 3-7 parts of modified silicon powder synergist and 75-85 parts of aluminum borate whisker modified compound coupling agent treatment liquid.
The high-efficiency casting aluminum bar comprises the following raw materials in parts by weight:
67.5 parts of aluminum, 3.5 parts of nickel, 2 parts of manganese, 2 parts of chromium, 3 parts of tin, 5 parts of modified silicon powder synergist and 80 parts of aluminum borate whisker modified compound coupling agent treatment solution.
The preparation method of the modified silicon powder co-regulator in the embodiment comprises the following steps:
s01: placing silicon powder into 2-3 times of hydrochloric acid solution, then adding 5-10% of sodium alkyl sulfonate and 1-5% of chitosan water solution into the silicon powder, and uniformly stirring to obtain silicon powder liquid;
s02: adding lanthanum sulfate into sodium alginate solution with the mass fraction of 10-15% according to the weight ratio of 1:5, then adding phosphoric acid buffer solution with the total amount of 5-10% of the lanthanum sulfate, and uniformly stirring to obtain rare earth blending solution;
s03: stirring the rare earth blending liquid and the silicon powder liquid according to the weight ratio of 1:5 for reaction treatment, stirring, washing with water and drying to obtain the modified silicon powder co-regulator.
The mass fraction of the hydrochloric acid solution in the embodiment is 3-5%; the mass fraction of the chitosan aqueous solution is 10-20%.
The pH of the phosphate buffer solution of this example was 5.0-6.0.
The stirring speed of the stirring reaction treatment of S03 in the embodiment is 350-400r/min, the stirring time is 10-20min, and the stirring temperature is 45-55 ℃.
The preparation method of the aluminum borate whisker modified compound coupling agent treatment solution comprises the following steps:
s11: adding a coupling agent KH560 into a sodium oxalate aqueous solution with the mass fraction of 2-5% which is 3-4 times that of the coupling agent KH560, then adding cerium nitrate with the total amount of 1-5% of the coupling agent KH560, and stirring fully to obtain a coupling agent compound agent;
s12: the weight ratio of the aluminum borate whisker is 1:7, adding the aluminum borate whisker into deionized water, then adding hydrochloric acid to adjust the pH value to 5.0, then adding a coupling agent compounding agent accounting for 10-20% of the total amount of the aluminum borate whisker, and stirring fully;
s13: and finally adding a coordination synergist accounting for 1-5% of the total amount of the aluminum borate whisker, and stirring fully to obtain the aluminum borate whisker modified compound coupling agent treatment liquid.
The coordination synergist of the embodiment comprises the following raw materials in parts by weight: 2-5 parts of nano titanium dioxide, 1-3 parts of diisooctyl phosphate, 10-15 parts of deionized water and 1-3 parts of sulfuric acid aqueous solution.
The mass fraction of the sulfuric acid aqueous solution of this example is 5-10%.
The preparation method of the high-efficiency casting aluminum bar for the aluminum profile comprises the following steps:
step one: sequentially adding the aluminum, nickel, manganese, chromium, tin and modified silicon powder coordinator raw materials into the aluminum borate whisker modified compound coupling agent treatment liquid, stirring and mixing uniformly, and then washing and drying;
step two: smelting until smelting is completed, and finally, feeding the mixture into a shaping die for cooling shaping; in the cooling and shaping process, a hot extruder is adopted to extrude at the pressure of 10MPa, and the extrusion temperature is 110-120 ℃;
step three: then heat treating at 320-340 deg.C for 10-15min, then heating to 410-420 deg.C at 1-5 deg.C/min, continuously preserving heat for 5-10min, and finally air cooling to room temperature.
Example 1.
The high-efficiency casting aluminum bar for the aluminum profile comprises the following raw materials in parts by weight:
65 parts of aluminum, 2 parts of nickel, 1 part of manganese, 1 part of chromium, 2 parts of tin, 3 parts of modified silicon powder synergist and 75 parts of aluminum borate whisker modified compound coupling agent treatment solution.
The preparation method of the modified silicon powder co-regulator in the embodiment comprises the following steps:
s01: placing silicon powder into a hydrochloric acid solution with the concentration of 2 times, adding sodium alkyl sulfonate with the concentration of 5% of the total silicon powder and a chitosan water solution with the concentration of 1% into the solution, and uniformly stirring the mixture to obtain silicon powder liquid;
s02: adding lanthanum sulfate into sodium alginate solution with the mass fraction of 10% according to the weight ratio of 1:5, then adding phosphoric acid buffer solution with the total amount of 5% of lanthanum sulfate, and uniformly stirring to obtain rare earth blending solution;
s03: stirring the rare earth blending liquid and the silicon powder liquid according to the weight ratio of 1:5 for reaction treatment, stirring, washing with water and drying to obtain the modified silicon powder co-regulator.
The mass fraction of the hydrochloric acid solution of this example was 3%; the mass fraction of the chitosan aqueous solution is 10%.
The pH of the phosphate buffer solution of this example was 5.0.
The stirring speed of the stirring reaction treatment in S03 of this example was 350r/min, the stirring time was 10min, and the stirring temperature was 45 ℃.
The preparation method of the aluminum borate whisker modified compound coupling agent treatment solution comprises the following steps:
s11: adding a coupling agent KH560 into a sodium oxalate aqueous solution with the mass fraction of 2% which is 3 times that of the coupling agent KH560, then adding cerium nitrate with the total amount of 1% of the coupling agent KH560, and stirring fully to obtain a coupling agent compound agent;
s12: the weight ratio of the aluminum borate whisker is 1:7, adding the coupling agent compound agent accounting for 10% of the total amount of the aluminum borate whisker into deionized water, adding hydrochloric acid to adjust the pH value to 5.0, and stirring fully;
s13: and finally adding a coordinated synergist accounting for 1% of the total amount of the aluminum borate whisker, and stirring fully to obtain an aluminum borate whisker modified compound coupling agent treatment solution.
The coordination synergist of the embodiment comprises the following raw materials in parts by weight: 2 parts of nano titanium dioxide, 1 part of diisooctyl phosphate, 10 parts of deionized water and 1 part of sulfuric acid aqueous solution.
The mass fraction of the aqueous sulfuric acid solution of this example was 5%.
The preparation method of the high-efficiency casting aluminum bar for the aluminum profile comprises the following steps:
step one: sequentially adding the aluminum, nickel, manganese, chromium, tin and modified silicon powder coordinator raw materials into the aluminum borate whisker modified compound coupling agent treatment liquid, stirring and mixing uniformly, and then washing and drying;
step two: smelting until smelting is completed, and finally, feeding the mixture into a shaping die for cooling shaping; in the cooling and shaping process, a hot extruder is adopted to extrude at the pressure of 10MPa, and the extrusion temperature is 110 ℃;
step three: and then heat-treating at 320 ℃ for 10min, then heating to 410 ℃ at a speed of 1 ℃/min, continuously preserving heat for 5min, and finally air-cooling to room temperature.
Example 2.
The high-efficiency casting aluminum bar for the aluminum profile comprises the following raw materials in parts by weight:
70 parts of aluminum, 5 parts of nickel, 3 parts of manganese, 3 parts of chromium, 4 parts of tin, 7 parts of modified silicon powder synergist and 85 parts of aluminum borate whisker modified compound coupling agent treatment solution.
The preparation method of the modified silicon powder co-regulator in the embodiment comprises the following steps:
s01: placing silicon powder into 3 times of hydrochloric acid solution, then adding 10% of sodium alkyl sulfonate and 5% of chitosan water solution into the silicon powder, and uniformly stirring to obtain silicon powder liquid;
s02: adding lanthanum sulfate into sodium alginate solution with the mass fraction of 15% according to the weight ratio of 1:5, then adding phosphoric acid buffer solution with the total amount of 10% of lanthanum sulfate, and uniformly stirring to obtain rare earth blending solution;
s03: stirring the rare earth blending liquid and the silicon powder liquid according to the weight ratio of 1:5 for reaction treatment, stirring, washing with water and drying to obtain the modified silicon powder co-regulator.
The mass fraction of the hydrochloric acid solution in this example is 5%; the mass fraction of the chitosan aqueous solution is 20%.
The pH of the phosphate buffer solution of this example was 6.0.
The stirring speed of the stirring reaction treatment in S03 of this example was 400r/min, the stirring time was 20min, and the stirring temperature was 55 ℃.
The preparation method of the aluminum borate whisker modified compound coupling agent treatment solution comprises the following steps:
s11: adding a coupling agent KH560 into a sodium oxalate aqueous solution with the mass fraction of 5% which is 4 times that of the coupling agent KH560, then adding cerium nitrate with the total amount of 1-5% of the coupling agent KH560, and stirring fully to obtain a coupling agent compound agent;
s12: the weight ratio of the aluminum borate whisker is 1:7, adding the coupling agent compound agent accounting for 20% of the total amount of the aluminum borate whisker into deionized water, adding hydrochloric acid to adjust the pH to 5.0, and stirring fully;
s13: and finally adding a coordination synergist accounting for 5% of the total amount of the aluminum borate whisker, and stirring fully to obtain an aluminum borate whisker modified compound coupling agent treatment solution.
The coordination synergist of the embodiment comprises the following raw materials in parts by weight: 5 parts of nano titanium dioxide, 3 parts of diisooctyl phosphate, 15 parts of deionized water and 3 parts of sulfuric acid aqueous solution.
The mass fraction of the aqueous sulfuric acid solution of this example was 10%.
The preparation method of the high-efficiency casting aluminum bar for the aluminum profile comprises the following steps:
step one: sequentially adding the aluminum, nickel, manganese, chromium, tin and modified silicon powder coordinator raw materials into the aluminum borate whisker modified compound coupling agent treatment liquid, stirring and mixing uniformly, and then washing and drying;
step two: smelting until smelting is completed, and finally, feeding the mixture into a shaping die for cooling shaping; in the cooling and shaping process, a hot extruder is adopted to extrude at the pressure of 10MPa, and the extrusion temperature is 120 ℃;
step three: then heat-treating at 340 deg.C for 15min, then heating to 420 deg.C at 5 deg.C/min, continuously preserving heat for 10min, and finally air-cooling to room temperature.
Example 3.
The high-efficiency casting aluminum bar for the aluminum profile comprises the following raw materials in parts by weight:
67.5 parts of aluminum, 3.5 parts of nickel, 2 parts of manganese, 2 parts of chromium, 3 parts of tin, 5 parts of modified silicon powder synergist and 80 parts of aluminum borate whisker modified compound coupling agent treatment solution.
The preparation method of the modified silicon powder co-regulator in the embodiment comprises the following steps:
s01: placing silicon powder into a hydrochloric acid solution with the concentration of 2.5 times, adding sodium alkyl sulfonate with the concentration of 7.5% of the total silicon powder and a chitosan water solution with the concentration of 3% into the solution, and uniformly stirring the mixture to obtain silicon powder liquid;
s02: adding lanthanum sulfate into a sodium alginate solution with the mass fraction of 12.5% according to the weight ratio of 1:5, then adding a phosphoric acid buffer solution with the total amount of 7.5% of the lanthanum sulfate, and uniformly stirring to obtain a rare earth blending solution;
s03: stirring the rare earth blending liquid and the silicon powder liquid according to the weight ratio of 1:5 for reaction treatment, stirring, washing with water and drying to obtain the modified silicon powder co-regulator.
The mass fraction of the hydrochloric acid solution of this example was 4%; the mass fraction of the chitosan aqueous solution is 15%.
The pH of the phosphate buffer solution of this example was 5.5.
The stirring speed of the stirring reaction treatment in S03 of this example was 370r/min, the stirring time was 15min, and the stirring temperature was 50 ℃.
The preparation method of the aluminum borate whisker modified compound coupling agent treatment solution comprises the following steps:
s11: adding a coupling agent KH560 into a sodium oxalate aqueous solution with the mass fraction of 3.5% which is 3.5 times that of the coupling agent KH560, then adding cerium nitrate with the total amount of 3% of the coupling agent KH560, and stirring fully to obtain a coupling agent compound agent;
s12: the weight ratio of the aluminum borate whisker is 1:7, adding the coupling agent compound agent accounting for 15% of the total amount of the aluminum borate whisker into deionized water, adding hydrochloric acid to adjust the pH value to 5.0, and stirring fully;
s13: and finally adding a coordinated synergist accounting for 3% of the total amount of the aluminum borate whisker, and stirring fully to obtain an aluminum borate whisker modified compound coupling agent treatment solution.
The coordination synergist of the embodiment comprises the following raw materials in parts by weight: 3 parts of nano titanium dioxide, 2 parts of diisooctyl phosphate and 12.5 parts of deionized water and 2 parts of sulfuric acid aqueous solution.
The mass fraction of the aqueous sulfuric acid solution of this example was 7.5%.
The preparation method of the high-efficiency casting aluminum bar for the aluminum profile comprises the following steps:
step one: sequentially adding the aluminum, nickel, manganese, chromium, tin and modified silicon powder coordinator raw materials into the aluminum borate whisker modified compound coupling agent treatment liquid, stirring and mixing uniformly, and then washing and drying;
step two: smelting until smelting is completed, and finally, feeding the mixture into a shaping die for cooling shaping; in the cooling and shaping process, a hot extruder is adopted to extrude at the pressure of 10MPa, and the extrusion temperature is 115 ℃;
step three: and then heat-treating at 330 ℃ for 12.5min, then heating to 415 ℃ at the speed of 3 ℃/min, continuously preserving heat for 7.5min, and finally air-cooling to room temperature.
Example 4.
The high-efficiency casting aluminum bar for the aluminum profile comprises the following raw materials in parts by weight:
67 parts of aluminum, 3 parts of nickel, 2 parts of manganese, 2 parts of chromium, 3 parts of tin, 4 parts of modified silicon powder synergist and 76 parts of aluminum borate whisker modified compound coupling agent treatment solution.
The preparation method of the modified silicon powder co-regulator in the embodiment comprises the following steps:
s01: placing silicon powder into a hydrochloric acid solution with the concentration of 2 times, adding sodium alkyl sulfonate with the concentration of 5-10% of the total silicon powder and a chitosan water solution with the concentration of 2% into the solution, and uniformly stirring the mixture to obtain silicon powder liquid;
s02: adding lanthanum sulfate into a sodium alginate solution with the mass fraction of 12% according to the weight ratio of 1:5, then adding a phosphoric acid buffer solution with the total amount of 6% of the lanthanum sulfate, and uniformly stirring to obtain a rare earth blending solution;
s03: stirring the rare earth blending liquid and the silicon powder liquid according to the weight ratio of 1:5 for reaction treatment, stirring, washing with water and drying to obtain the modified silicon powder co-regulator.
The mass fraction of the hydrochloric acid solution of this example was 4%; the mass fraction of the chitosan aqueous solution is 12%.
The pH of the phosphate buffer solution of this example was 5.5.
The stirring speed of the stirring reaction treatment in S03 of this example was 360r/min, the stirring time was 12min, and the stirring temperature was 47 ℃.
The preparation method of the aluminum borate whisker modified compound coupling agent treatment solution comprises the following steps:
s11: adding a coupling agent KH560 into 3.5 times of 3% sodium oxalate aqueous solution by mass, then adding cerium nitrate accounting for 2% of the total amount of the coupling agent KH560, and stirring thoroughly to obtain a coupling agent compound agent;
s12: the weight ratio of the aluminum borate whisker is 1:7, adding the coupling agent compound agent accounting for 12% of the total amount of the aluminum borate whisker into deionized water, adding hydrochloric acid to adjust the pH value to 5.0, and stirring fully;
s13: and finally adding a coordinated synergist accounting for 2% of the total amount of the aluminum borate whisker, and stirring fully to obtain an aluminum borate whisker modified compound coupling agent treatment solution.
The coordination synergist of the embodiment comprises the following raw materials in parts by weight: 3 parts of nano titanium dioxide, 2 parts of diisooctyl phosphate, 12 parts of deionized water and 2 parts of sulfuric acid aqueous solution.
The mass fraction of the aqueous sulfuric acid solution of this example was 6%.
The preparation method of the high-efficiency casting aluminum bar for the aluminum profile comprises the following steps:
step one: sequentially adding the aluminum, nickel, manganese, chromium, tin and modified silicon powder coordinator raw materials into the aluminum borate whisker modified compound coupling agent treatment liquid, stirring and mixing uniformly, and then washing and drying;
step two: smelting until smelting is completed, and finally, feeding the mixture into a shaping die for cooling shaping; in the cooling and shaping process, a hot extruder is adopted to extrude at the pressure of 10MPa, and the extrusion temperature is 115 ℃;
step three: then heat-treating at 325 deg.C for 12min, then heating to 412 deg.C at 2 deg.C/min, continuously preserving heat for 6min, and finally air-cooling to room temperature.
Comparative example 1.
Unlike example 3, no modified silica powder synergist was added.
Comparative example 2.
The difference from example 3 is that the modified silicon powder co-regulator is replaced by silicon powder.
Comparative example 3.
The difference from example 3 is that the rare earth blending liquid is not added in the preparation of the modified silicon powder blending agent.
Comparative example 4.
The difference from example 3 is that the treatment solution of the aluminum borate whisker modified compound coupling agent is not adopted for treatment.
Comparative example 5.
The difference from example 3 is that no coordination synergist is added into the aluminum borate whisker modified compound coupling agent treatment solution.
Comparative example 6.
The difference from example 3 is that the coupling agent compound agent is not added into the aluminum borate whisker modified compound coupling agent treatment solution.
The results of the performance measurements of examples 1-4 and comparative examples 1-6 are as follows
From examples 1 to 4 and comparative examples 1 to 6,
the product of the example 3 has excellent tensile strength and elongation after break, and also has excellent performance after being treated by sodium hydroxide solution, and the product has strong corrosion resistance and stability;
the product performance is obviously deteriorated without adding modified silicon powder synergist and adopting aluminum borate whisker modified compound coupling agent treatment liquid treatment, and the product performance are matched to have synergistic effect;
the modified silicon powder synergistic agent is replaced by silicon powder, rare earth blending liquid is not added in the preparation of the modified silicon powder synergistic agent, the corrosion resistance performance stability of the product is prone to deterioration, meanwhile, the rare earth blending liquid is not added in the preparation of the modified silicon powder synergistic agent, the coupling agent compounding agent is not added in the aluminum borate whisker modified compound coupling agent treatment liquid, and the performance of the product is deteriorated;
the coupling agent compound agent and the rare earth blending solution are matched, so that the performance of the product has a synergistic effect, and the modification effect of the aluminum borate whisker modified compound coupling agent treatment solution on the product is enhanced;
the silicon powder is activated by the active raw materials such as hydrochloric acid, sodium alkyl sulfonate and the like, the surface interfacial effect of the silicon powder can be enhanced by adding the chitosan aqueous solution, the modified silicon powder is subjected to interventional modification after being dispersed by the sodium alginate solution through lanthanum sulfate, the interfacial effect of the silicon powder in an aluminum rod is improved, the strength and toughness of the aluminum rod are improved, the whisker structure of the aluminum borate whisker is matched with a coupling agent compound agent to be subjected to interfacial treatment, and meanwhile, the coordinated synergist composed of the raw materials such as nano titanium dioxide is improved in a coordinated manner, the aluminum borate whisker is distributed on an alloy bar matrix, the strength and toughness performance of the alloy are obviously improved, the corrosion resistance effect of the product is optimized, and the service efficiency of the product is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. The efficient casting aluminum bar for the aluminum profile is characterized by comprising the following raw materials in parts by weight:
65-70 parts of aluminum, 2-5 parts of nickel, 1-3 parts of manganese, 1-3 parts of chromium, 2-4 parts of tin, 3-7 parts of modified silicon powder synergist and 75-85 parts of aluminum borate whisker modified compound coupling agent treatment liquid.
2. The efficient casting aluminum bar for aluminum profiles according to claim 1, wherein the efficient casting aluminum bar comprises the following raw materials in parts by weight:
67.5 parts of aluminum, 3.5 parts of nickel, 2 parts of manganese, 2 parts of chromium, 3 parts of tin, 5 parts of modified silicon powder synergist and 80 parts of aluminum borate whisker modified compound coupling agent treatment solution.
3. The efficient casting aluminum bar for aluminum profiles according to claim 1, wherein the preparation method of the modified silicon powder co-regulator is as follows:
s01: placing silicon powder into hydrochloric acid solution with the weight being 2-3 times that of the silicon powder, adding sodium alkyl sulfonate with the weight being 5-10% of the total weight of the silicon powder and chitosan water solution with the weight being 1-5% of the total weight of the silicon powder, and uniformly stirring to obtain silicon powder liquid;
s02: adding lanthanum sulfate into sodium alginate solution with the mass fraction of 10-15% according to the weight ratio of 1:5, then adding phosphoric acid buffer solution with the total weight of 5-10% of the total weight of the lanthanum sulfate, and uniformly stirring to obtain rare earth blending solution;
s03: stirring the rare earth blending liquid and the silicon powder liquid according to the weight ratio of 1:5 for reaction treatment, stirring, washing with water and drying to obtain the modified silicon powder co-regulator.
4. A high-efficiency casting aluminum bar for aluminum profiles according to claim 3, wherein the mass fraction of the hydrochloric acid solution is 3-5%; the mass fraction of the chitosan aqueous solution is 10-20%.
5. A high efficiency molten aluminum bar for aluminum profiles as defined in claim 3, wherein the pH of the phosphate buffer solution is 5.0-6.0.
6. The high-efficiency casting aluminum bar for aluminum profiles according to claim 3, wherein the stirring speed of the stirring reaction treatment of S03 is 350-400r/min, the stirring time is 10-20min, and the stirring temperature is 45-55 ℃.
7. The efficient casting aluminum bar for aluminum profiles, as claimed in claim 1, is characterized in that the preparation method of the aluminum borate whisker modified compound coupling agent treatment fluid is as follows:
s11: adding a coupling agent KH560 into a sodium oxalate aqueous solution with the mass fraction of 2-5% which is 3-4 times that of the coupling agent KH560, then adding cerium nitrate with the total amount of 1-5% of the coupling agent KH560, and stirring fully to obtain a coupling agent compound agent;
s12: the weight ratio of the aluminum borate whisker is 1:7, adding the aluminum borate whisker into deionized water, then adding hydrochloric acid to adjust the pH value to 5.0, then adding a coupling agent compounding agent accounting for 10-20% of the total amount of the aluminum borate whisker, and stirring fully;
s13: and finally adding a coordination synergist accounting for 1-5% of the total amount of the aluminum borate whisker, and stirring fully to obtain the aluminum borate whisker modified compound coupling agent treatment liquid.
8. The efficient casting aluminum bar for aluminum profiles as claimed in claim 7, wherein the coordination and synergism agent comprises the following raw materials in parts by weight: 2-5 parts of nano titanium dioxide, 1-3 parts of diisooctyl phosphate, 10-15 parts of deionized water and 1-3 parts of sulfuric acid aqueous solution.
9. The high-efficiency casting aluminum bar for aluminum profiles according to claim 8, wherein the mass fraction of the sulfuric acid aqueous solution is 5-10%.
10. A method for producing a high-efficiency melt-cast aluminum rod for aluminum profiles as defined in any one of claims 1 to 9, comprising the steps of:
step one: sequentially adding the aluminum, nickel, manganese, chromium, tin and modified silicon powder coordinator raw materials into the aluminum borate whisker modified compound coupling agent treatment liquid, stirring and mixing uniformly, and then washing and drying;
step two: smelting until smelting is completed, and finally, feeding the mixture into a shaping die for cooling shaping; in the cooling and shaping process, a hot extruder is adopted to extrude at the pressure of 10MPa, and the extrusion temperature is 110-120 ℃;
step three: then heat treating at 320-340 deg.C for 10-15min, then heating to 410-420 deg.C at 1-5 deg.C/min, continuously preserving heat for 5-10min, and finally air cooling to room temperature.
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| CN1786250A (en) * | 2005-12-09 | 2006-06-14 | 哈尔滨工业大学 | ZnAl2O4 coated aluminium borate whister reinforced aluminium base or magnesium base composite meterial and its preparation method |
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