CN117587288A - High-temperature-resistant corrosion-resistant aluminum alloy material and preparation method thereof - Google Patents
High-temperature-resistant corrosion-resistant aluminum alloy material and preparation method thereof Download PDFInfo
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- CN117587288A CN117587288A CN202311457391.5A CN202311457391A CN117587288A CN 117587288 A CN117587288 A CN 117587288A CN 202311457391 A CN202311457391 A CN 202311457391A CN 117587288 A CN117587288 A CN 117587288A
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- 239000000956 alloy Substances 0.000 title claims abstract description 90
- 230000007797 corrosion Effects 0.000 title claims abstract description 38
- 238000005260 corrosion Methods 0.000 title claims abstract description 38
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims abstract description 36
- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 claims abstract description 32
- 229960001545 hydrotalcite Drugs 0.000 claims abstract description 31
- 229910001701 hydrotalcite Inorganic materials 0.000 claims abstract description 31
- 230000033444 hydroxylation Effects 0.000 claims abstract description 23
- 238000005805 hydroxylation reaction Methods 0.000 claims abstract description 23
- 229910001148 Al-Li alloy Inorganic materials 0.000 claims abstract description 15
- JFBZPFYRPYOZCQ-UHFFFAOYSA-N [Li].[Al] Chemical compound [Li].[Al] JFBZPFYRPYOZCQ-UHFFFAOYSA-N 0.000 claims abstract description 15
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 238000010438 heat treatment Methods 0.000 claims description 27
- 239000008367 deionised water Substances 0.000 claims description 26
- 229910021641 deionized water Inorganic materials 0.000 claims description 26
- 238000000227 grinding Methods 0.000 claims description 25
- 238000002156 mixing Methods 0.000 claims description 22
- 238000003756 stirring Methods 0.000 claims description 22
- MFUVDXOKPBAHMC-UHFFFAOYSA-N magnesium;dinitrate;hexahydrate Chemical compound O.O.O.O.O.O.[Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MFUVDXOKPBAHMC-UHFFFAOYSA-N 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 17
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical group O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 16
- 239000000499 gel Substances 0.000 claims description 16
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 15
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 15
- 239000005011 phenolic resin Substances 0.000 claims description 15
- 229920001568 phenolic resin Polymers 0.000 claims description 15
- 229920001169 thermoplastic Polymers 0.000 claims description 15
- 239000004416 thermosoftening plastic Substances 0.000 claims description 15
- 239000011240 wet gel Substances 0.000 claims description 15
- XNDZQQSKSQTQQD-UHFFFAOYSA-N 3-methylcyclohex-2-en-1-ol Chemical compound CC1=CC(O)CCC1 XNDZQQSKSQTQQD-UHFFFAOYSA-N 0.000 claims description 14
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 12
- 239000002904 solvent Substances 0.000 claims description 11
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 10
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 10
- IEMMJPTUSSWOND-UHFFFAOYSA-N lithium;nitrate;trihydrate Chemical compound [Li+].O.O.O.[O-][N+]([O-])=O IEMMJPTUSSWOND-UHFFFAOYSA-N 0.000 claims description 10
- TUUVEPHKJPCZSB-UHFFFAOYSA-L potassium sodium hydrogen carbonate hydroxide Chemical compound [OH-].[Na+].[K+].OC([O-])=O TUUVEPHKJPCZSB-UHFFFAOYSA-L 0.000 claims description 10
- 238000002791 soaking Methods 0.000 claims description 10
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims description 10
- 239000012298 atmosphere Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 8
- 229910052786 argon Inorganic materials 0.000 claims description 7
- 230000004888 barrier function Effects 0.000 claims description 7
- 239000012153 distilled water Substances 0.000 claims description 7
- 230000008014 freezing Effects 0.000 claims description 7
- 238000007710 freezing Methods 0.000 claims description 7
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 7
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 7
- 239000010453 quartz Substances 0.000 claims description 7
- 238000009707 resistance sintering Methods 0.000 claims description 7
- 238000005245 sintering Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 238000009832 plasma treatment Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- DENRZWYUOJLTMF-UHFFFAOYSA-N diethyl sulfate Chemical compound CCOS(=O)(=O)OCC DENRZWYUOJLTMF-UHFFFAOYSA-N 0.000 claims description 5
- 229940008406 diethyl sulfate Drugs 0.000 claims description 5
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 5
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 5
- 238000003892 spreading Methods 0.000 claims description 5
- 230000007480 spreading Effects 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 abstract description 13
- 229910000861 Mg alloy Inorganic materials 0.000 abstract description 10
- 239000002131 composite material Substances 0.000 abstract description 10
- 229910052751 metal Inorganic materials 0.000 abstract description 7
- 239000013078 crystal Substances 0.000 abstract description 6
- 239000004964 aerogel Substances 0.000 abstract description 4
- 238000001354 calcination Methods 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 238000004334 fluoridation Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 239000000843 powder Substances 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 238000010000 carbonizing Methods 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 16
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 239000011777 magnesium Substances 0.000 description 5
- 229910052749 magnesium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- -1 phenolic aldehyde Chemical class 0.000 description 3
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 238000003763 carbonization Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- 230000006911 nucleation Effects 0.000 description 2
- 238000010899 nucleation Methods 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 239000004966 Carbon aerogel Substances 0.000 description 1
- GCPRRNKAVFYVJC-UHFFFAOYSA-N [N+](=O)([O-])[O-].[Li+].[N+](=O)([O-])[O-].[Al+3] Chemical compound [N+](=O)([O-])[O-].[Li+].[N+](=O)([O-])[O-].[Al+3] GCPRRNKAVFYVJC-UHFFFAOYSA-N 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- JNKVOJGVJWRLIK-UHFFFAOYSA-N aluminum;magnesium;dinitrate Chemical compound [Mg+2].[Al+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O JNKVOJGVJWRLIK-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 229910003455 mixed metal oxide Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method 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
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/007—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0209—Multistage baking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0466—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being a non-reacting gas
- B05D3/0473—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being a non-reacting gas for heating, e.g. vapour heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
The invention discloses a high-temperature-resistant corrosion-resistant aluminum alloy material and a preparation method thereof, and relates to the technical field of alloy materials. Compared with the traditional metal powder, the aluminum-magnesium hydrotalcite and aluminum-lithium hydrotalcite are used as raw materials, so that the metal elements can be uniformly dispersed, the complete and good development of alloy crystal forms is facilitated, and alloy crystal grains are refined under the assistance of ultrasonic waves after mixed calcination, so that the strength and corrosion resistance of the aluminum-magnesium composite material are improved; then pressing into a sheet shape, carrying out hydroxylation treatment on one side of the sheet-shaped alloy, then coating phenolic gel between two sheet-shaped aluminum-magnesium alloys, and carbonizing to form an aerogel framework, so that the strength and corrosion resistance of the aluminum-magnesium composite material are improved; and then forming a protective film with low surface energy through fluoridation treatment, so as to prevent the alloy surface from being soaked in corrosive liquid.
Description
Technical Field
The invention relates to the technical field of alloy materials, in particular to a high-temperature-resistant corrosion-resistant aluminum alloy material and a preparation method thereof.
Background
Because the aluminum alloy has the characteristics of low density, good mechanical property, good processability, no toxicity, easy recovery, conductivity, heat conductivity and the like, the aluminum alloy is widely used in the fields of marine industry, chemical industry, aerospace, metal packaging, transportation and the like. Along with the rapid development of aluminum alloy, aluminum alloy has been widely used in automobile hub manufacturing, because automobile hub exposes in the air for a long time, receives the influence of acid rain again, accelerates corrosion aging, still needs to bear certain pressure, therefore needs aluminum alloy to possess better intensity to possess certain corrosion resistance.
Disclosure of Invention
The invention aims to provide a high-temperature-resistant corrosion-resistant aluminum alloy material and a preparation method thereof, so as to solve the problems in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme: the preparation method of the high-temperature-resistant corrosion-resistant aluminum alloy material comprises the following preparation steps:
(1) Mixing magnesium nitrate hexahydrate, aluminum nitrate nonahydrate and sodium bicarbonate, grinding for 1-4 hours at 300-600 rpm, adding distilled water, stirring for 30 minutes at 300-500 rpm, filtering, and drying at 100 ℃ for 12 hours to obtain aluminum-magnesium hydrotalcite;
(2) Mixing lithium nitrate trihydrate and aluminum nitrate nonahydrate, grinding for 40-60 min at 300-600 rpm, adding deionized water, adding potassium hydroxide-sodium carbonate until the pH of the reaction solution is 7-9, continuously grinding for 5-9 h, filtering, washing for 6-8 times with deionized water, and drying at 100 ℃ for 12h to obtain aluminum lithium hydrotalcite;
(3) Mixing aluminum-magnesium hydrotalcite and aluminum-lithium hydrotalcite according to a mass ratio of 2:1-5:1, uniformly stirring, placing in a muffle furnace, heating to 500-550 ℃ at a speed of 10 ℃/min, roasting for 4-6 hours, cooling to 300-350 ℃, placing in an ultrasonic vibration auxiliary resistance sintering furnace, heating to 600-700 ℃ at a speed of 3-7 ℃/min, roasting for 0.5-2 hours under a mixed atmosphere, stamping and forming under a pressure of 30-100 t, and sintering for 30-50 minutes under a pressure of 10MPa at a temperature of 400-450 ℃ to obtain a sheet alloy material with a thickness of 0.2-1.5 mm;
(4) Spreading a sheet alloy material on quartz glass, placing the quartz glass on a lower polar plate in pulse dielectric barrier discharge low-temperature plasma equipment, introducing argon and water vapor for 3-5 min according to a flow ratio of 4:1, and starting a generator to treat for 30-60 s to obtain a hydroxyl alloy material;
(5) Mixing thermoplastic phenolic resin and a solvent according to a mass ratio of 1:6-1:9, stirring at 60-90 rpm for 30-60 min, adding p-toluenesulfonic acid with a mass of 0.01-0.03 times that of the thermoplastic phenolic resin and diethyl sulfate with a mass of 0.01-0.03 times that of the thermoplastic phenolic resin, uniformly stirring, reacting at 80 ℃ for 24-48 h to obtain wet gel, placing the wet gel in a solvent with a mass of 3-7 times that of the wet gel, soaking for 4d, and replacing the solvent once a day to obtain phenolic gel;
(6) Uniformly smearing phenolic gel on one side of a hydroxylation alloy material subjected to plasma treatment, wherein the thickness is 0.5-2.0 mm, covering another piece of hydroxylation alloy material, putting the hydroxylation alloy material into a refrigerator, freezing for 24-48 h, putting the hydroxylation alloy material into a quartz boat, heating to 350-450 ℃ at 5-10 ℃/min under nitrogen atmosphere, preserving heat for 3-5 h, heating to 550-650 ℃ at the same speed, preserving heat for 1-2 h to obtain an intermediate, putting the intermediate into a hydrofluoric acid solution with the mass of 100 times of the intermediate and at 60 ℃, soaking for 5-10 min, taking out, washing for 6-8 times by using deionized water, and drying at 100 ℃ for 8h to obtain the high-temperature-resistant corrosion-resistant aluminum alloy material.
Further, the grinding ball material ratio in the steps (1) and (2) is 10:1-40:1, and the grinding medium is zirconia balls with the diameter of 10mm and the diameter of 6 mm.
Further, in the step (1), the mass ratio of the magnesium nitrate hexahydrate, the aluminum nitrate nonahydrate, the sodium bicarbonate and the distilled water is 6:4:1:12-15:4:1:37.5.
Further, in the step (2), the mass ratio of potassium hydroxide to sodium carbonate in the potassium hydroxide-sodium carbonate is 1.2:1.
Further, in the step (2), the mass ratio of the lithium nitrate trihydrate to the aluminum nitrate nonahydrate to the deionized water is 1:5:5-1:8:9.
Further, the power of the ultrasonic wave in the step (3) is 600W, and the frequency is 22kHz.
Further, the flow ratio of the hydrogen to the argon in the mixed atmosphere in the step (3) is 1:19.
Further, in the step (4), the voltage in the pulse dielectric barrier discharge low-temperature plasma equipment is 4kV, the pulse width is 300ns, the frequency is 1kHz, and the positive pulse interval and the negative pulse interval are 2 mu s.
Further, the solvent in the step (5) is one or more of ethanol or n-propanol.
Further, the mass ratio of hydrofluoric acid to deionized water in the hydrofluoric acid solution in the step (6) is 0.23:200.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the magnesium nitrate-aluminum nitrate mixture and the aluminum nitrate-lithium nitrate are respectively mechanically grinded to prepare the aluminum magnesium hydrotalcite and the aluminum lithium hydrotalcite, the aluminum magnesium hydrotalcite and the aluminum lithium hydrotalcite are taken as raw materials, so that metal elements are uniformly dispersed, the alloy crystal form is complete and good, magnesium and aluminum elements form magnesium oxide and aluminum oxide through mixed calcination, meanwhile, the hydrotalcite structure is destroyed, so that lithium elements enter mixed metal oxide, the interaction of magnesium and lithium atoms promotes the micro-alloying of aluminum and magnesium, the strength and corrosion resistance of the aluminum magnesium composite material are improved, then the calcination temperature is further improved, the magnesium oxide and the aluminum oxide are reduced and alloyed, alloy grains are refined under the assistance of ultrasonic waves, the alloy grains are in a high-speed vibration state in the crystallization process, the agglomeration is reduced, the uniform nucleation of the alloy grains is promoted, and the improvement of the strength and corrosion resistance of the aluminum magnesium composite material are facilitated; then pressing the aluminum-magnesium alloy into a sheet-shaped structure, carrying out hydroxylation treatment, coating phenolic aldehyde gel between the two sheet-shaped aluminum-magnesium alloys, and forming hydrogen bonding between the phenolic aldehyde gel and the aluminum-magnesium alloy, so that the phenolic aldehyde gel is tightly adhered to the surface of the aluminum-magnesium alloy, and drying and carbonizing the aluminum-magnesium alloy to form a carbon aerogel intermediate skeleton, so that the strength and toughness of the aluminum-magnesium composite material are improved, and carbide reinforcing phases are formed at the interface of the aluminum-magnesium alloy and the aerogel in the carbonization process, so that the strength of the aluminum-magnesium composite material is improved, and the corrosion resistance of the aluminum alloy material is also improved; and then forming a protective film with low surface energy through fluoridation treatment, so as to prevent the alloy surface from being soaked in corrosive liquid.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
In order to more clearly illustrate the method provided by the invention, the following examples are used for describing the detailed description, and the test methods of each index of the high-temperature-resistant and corrosion-resistant aluminum alloy material manufactured in the following examples are as follows:
corrosion resistance: the acetate mist test was performed with reference to GB/T10125 for the examples and comparative examples of the same area size at 35℃and at a pH of 3.2, and the time for starting corrosion of the alloy material surface was recorded.
Intensity: the tensile strength was tested with reference to GB/T228 for the same sized examples and comparative examples.
Example 1
(1) Mixing magnesium nitrate hexahydrate, aluminum nitrate nonahydrate and sodium bicarbonate according to a mass ratio of 6:4:1, grinding for 1h at a ball-material ratio of 10:1 and 300rpm, wherein a grinding medium is zirconia balls with a diameter of 10mm and a diameter of 6mm, adding distilled water with a mass of 2 times that of the magnesium nitrate hexahydrate, stirring for 30min at 300rpm, filtering, and drying at 100 ℃ for 12h to obtain aluminum-magnesium hydrotalcite;
(2) Mixing lithium nitrate trihydrate and aluminum nitrate nonahydrate according to a mass ratio of 1:5, grinding for 40min at a ball material ratio of 10:1 and 300rpm, wherein a grinding medium is zirconia balls with a diameter of 10mm and a diameter of 6mm, adding deionized water with a mass of 5 times that of the lithium nitrate trihydrate, adding potassium hydroxide-sodium carbonate until the pH value of a reaction solution is 7, continuously grinding for 5h at a mass ratio of 1.2:1 of potassium hydroxide and sodium carbonate in the potassium hydroxide-sodium carbonate, filtering, washing for 6 times by using the deionized water, and drying for 12h at 100 ℃ to obtain aluminum lithium hydrotalcite;
(3) Mixing aluminum-magnesium hydrotalcite and aluminum-lithium hydrotalcite according to a mass ratio of 2:1, uniformly stirring, placing in a muffle furnace, heating to 500 ℃ at 10 ℃/min, roasting for 4 hours, cooling to 300 ℃, placing in an ultrasonic vibration auxiliary resistance sintering furnace, heating to 600 ℃ at 3 ℃/min, roasting for 0.5 hour under the condition of mixed atmosphere, power of 600W and frequency of 22kHz, forming by stamping under the pressure of 30t, and sintering for 30 minutes under the pressure of 400 ℃ and the pressure of 10MPa to obtain a sheet alloy material with the thickness of 0.2 mm;
(4) Spreading a sheet alloy material on quartz glass, placing the quartz glass on a lower polar plate in pulse dielectric barrier discharge low-temperature plasma equipment, introducing argon and water vapor for 3min according to a flow ratio of 4:1, starting a generator, and treating for 30s under the conditions of 4kV voltage, 300ns pulse width, 1kHz frequency and 2 mu s positive and negative pulse interval to obtain a hydroxyl alloy material;
(5) Mixing thermoplastic phenolic resin and ethanol according to a mass ratio of 1:6, stirring at 60rpm for 30min, adding p-toluenesulfonic acid with a mass of 0.01 times that of the thermoplastic phenolic resin and diethyl sulfate with a mass of 0.01 times that of the thermoplastic phenolic resin, uniformly stirring, reacting at 80 ℃ for 24h to obtain wet gel, placing the wet gel in ethanol with a mass of 3 times that of the wet gel, soaking for 4d, and replacing a solvent once a day to obtain phenolic gel;
(6) Uniformly smearing phenolic gel on one side of a hydroxylation alloy material subjected to plasma treatment, wherein the thickness is 0.5mm, covering another piece of hydroxylation alloy material, putting the hydroxylation alloy material into a refrigerator, freezing for 24 hours, putting the hydroxylation alloy material into a quartz boat, heating to 350 ℃ at a speed of 5 ℃/min under a nitrogen atmosphere, preserving heat for 3 hours, heating to 550 ℃ at the same speed, preserving heat for 1 hour to obtain an intermediate, putting the intermediate into a hydrofluoric acid solution with the mass of 100 times of the intermediate and at 60 ℃, wherein the mass ratio of hydrofluoric acid to deionized water in the hydrofluoric acid solution is 0.23:200, immersing for 5 minutes, taking out, washing for 6 times by deionized water, and drying at 100 ℃ for 8 hours to obtain the high-temperature-resistant and corrosion-resistant aluminum alloy material.
Example 2
(1) Mixing magnesium nitrate hexahydrate, aluminum nitrate nonahydrate and sodium bicarbonate according to the mass ratio of 10.5:4:1, grinding for 2.5 hours at the ball-material ratio of 30:1 and 450rpm, wherein the grinding medium is zirconia balls with the diameter of 10mm and the diameter of 6mm, adding distilled water with the mass of 2.25 times that of the magnesium nitrate hexahydrate, stirring for 30 minutes at 400rpm, filtering, and drying at 100 ℃ for 12 hours to obtain aluminum-magnesium hydrotalcite;
(2) Mixing lithium nitrate trihydrate and aluminum nitrate nonahydrate according to a mass ratio of 1:6.5, grinding for 50min at a ball material ratio of 30:1 and 450rpm, wherein a grinding medium is zirconia balls with a diameter of 10mm and a diameter of 6mm, adding deionized water with a mass of 7 times that of the lithium nitrate trihydrate, adding potassium hydroxide-sodium carbonate until the pH value of a reaction solution is 8, continuously grinding for 7h at a mass ratio of 1.2:1 of potassium hydroxide and sodium carbonate in the potassium hydroxide-sodium carbonate, filtering, washing for 7 times by using the deionized water, and drying for 12h at 100 ℃ to obtain aluminum lithium hydrotalcite;
(3) Mixing aluminum-magnesium hydrotalcite and aluminum-lithium hydrotalcite according to a mass ratio of 3.5:1, uniformly stirring, placing in a muffle furnace, heating to 525 ℃ at 10 ℃/min, roasting for 5 hours, cooling to 325 ℃, placing in an ultrasonic vibration auxiliary resistance sintering furnace, heating to 650 ℃ at 5 ℃/min, roasting for 1.2 hours under a mixed atmosphere with a power of 600W and a frequency of 22kHz, stamping and forming under a pressure of 65t, and sintering for 40 minutes under a pressure of 10MPa at 425 ℃ to obtain a sheet alloy material with a thickness of 0.9 mm;
(4) Spreading a sheet alloy material on quartz glass, placing the quartz glass on a lower polar plate in pulse dielectric barrier discharge low-temperature plasma equipment, introducing argon and water vapor for 4min according to a flow ratio of 4:1, starting a generator, and treating for 45s under the conditions of 4kV voltage, 300ns pulse width, 1kHz frequency and 2 mu s positive and negative pulse interval to obtain a hydroxyl alloy material;
(5) Mixing thermoplastic phenolic resin and ethanol according to a mass ratio of 1:7.5, stirring at 75rpm for 45min, adding p-toluenesulfonic acid with the mass of 0.02 times of the thermoplastic phenolic resin and diethyl sulfate with the mass of 0.02 times of the thermoplastic phenolic resin, uniformly stirring, reacting at 80 ℃ for 36h to obtain wet gel, placing the wet gel in ethanol with the mass of 5 times of the wet gel, soaking for 4d, and replacing a solvent once a day to obtain phenolic gel;
(6) Uniformly smearing phenolic gel on one side of a hydroxylation alloy material subjected to plasma treatment, wherein the thickness is 1.2mm, covering another piece of hydroxylation alloy material, putting into a refrigerator, freezing for 36h, putting into a quartz boat, heating to 400 ℃ at 7 ℃/min under nitrogen atmosphere, preserving heat for 4h, heating to 600 ℃ at the same speed, preserving heat for 1.5h to obtain an intermediate, putting the intermediate into a hydrofluoric acid solution with the mass of 100 times of the intermediate and 60 ℃ at the temperature of 60 ℃, wherein the mass ratio of hydrofluoric acid to deionized water in the hydrofluoric acid solution is 0.23:200, soaking for 7min, taking out, washing with deionized water for 7 times, and drying at 100 ℃ for 8h to obtain the high-temperature-resistant corrosion-resistant aluminum alloy material.
Example 3
(1) Mixing magnesium nitrate hexahydrate, aluminum nitrate nonahydrate and sodium bicarbonate according to a mass ratio of 15:4:1, grinding for 4 hours at a ball-to-material ratio of 40:1 and 600rpm, wherein a grinding medium is zirconia balls with a diameter of 10mm and a diameter of 6mm, adding distilled water with a mass of 2.5 times that of the magnesium nitrate hexahydrate, stirring for 30 minutes at 500rpm, filtering, and drying at 100 ℃ for 12 hours to obtain aluminum-magnesium hydrotalcite;
(2) Mixing lithium nitrate trihydrate and aluminum nitrate nonahydrate according to a mass ratio of 1:8, grinding for 60min at a ball material ratio of 40:1 and 600rpm, wherein a grinding medium is zirconia balls with a diameter of 10mm and a diameter of 6mm, adding deionized water with a mass of 9 times that of the lithium nitrate trihydrate, adding potassium hydroxide-sodium carbonate until the pH value of a reaction solution is 9, continuously grinding for 9h at a mass ratio of 1.2:1 of potassium hydroxide and sodium carbonate in the potassium hydroxide-sodium carbonate, filtering, washing for 8 times by using the deionized water, and drying for 12h at 100 ℃ to obtain aluminum lithium hydrotalcite;
(3) Mixing aluminum-magnesium hydrotalcite and aluminum-lithium hydrotalcite according to a mass ratio of 5:1, uniformly stirring, placing in a muffle furnace, heating to 550 ℃ at 10 ℃/min, roasting for 6 hours, cooling to 350 ℃, placing in an ultrasonic vibration auxiliary resistance sintering furnace, heating to 700 ℃ at 7 ℃/min, roasting for 2 hours under a mixed atmosphere with a power of 600W and a frequency of 22kHz, stamping and forming under a pressure of 100t, and sintering for 50 minutes under a pressure of 10MPa at 450 ℃ to obtain a sheet alloy material with a thickness of 1.5 mm;
(4) Spreading a sheet alloy material on quartz glass, placing the quartz glass on a lower polar plate in pulse dielectric barrier discharge low-temperature plasma equipment, introducing argon and water vapor for 5min according to a flow ratio of 4:1, starting a generator, and treating for 60s under the conditions of 4kV voltage, 300ns pulse width, 1kHz frequency and 2 mu s positive and negative pulse interval to obtain a hydroxyl alloy material;
(5) Mixing thermoplastic phenolic resin and n-propanol according to a mass ratio of 1:9, stirring at 90rpm for 60min, adding p-toluenesulfonic acid with the mass of 0.03 times that of the thermoplastic phenolic resin and diethyl sulfate with the mass of 0.03 times that of the thermoplastic phenolic resin, uniformly stirring, reacting at 80 ℃ for 48h to obtain wet gel, placing the wet gel in the n-propanol with the mass of 7 times that of the wet gel, soaking for 4d, and replacing a solvent once a day to obtain phenolic gel;
(6) Uniformly smearing phenolic gel on one side of a hydroxylation alloy material subjected to plasma treatment, covering the other piece of hydroxylation alloy material with the thickness of 2mm, putting the hydroxylation alloy material into a refrigerator, freezing for 48 hours, putting the material into a quartz boat, heating to 450 ℃ at 10 ℃/min under nitrogen atmosphere, preserving heat for 5 hours, heating to 650 ℃ at the same speed, preserving heat for 2 hours to obtain an intermediate, putting the intermediate into a hydrofluoric acid solution with the mass of 100 times of the intermediate and at 60 ℃, wherein the mass ratio of hydrofluoric acid to deionized water in the hydrofluoric acid solution is 0.23:200, immersing for 10 minutes, taking out, washing with deionized water for 8 times, and drying at 100 ℃ for 8 hours to obtain the high-temperature-resistant corrosion-resistant aluminum alloy material.
Comparative example 1
Comparative example 1 differs from example 2 in that there is no step (2), step (3) is changed to: the aluminum-magnesium hydrotalcite is placed in a muffle furnace, heated to 525 ℃ at 10 ℃/min, baked for 5 hours, cooled to 325 ℃, then placed in an ultrasonic vibration auxiliary resistance sintering furnace, heated to 650 ℃ at 5 ℃/min, baked for 1.2 hours under the mixed atmosphere with the power of 600W and the frequency of 22kHz, stamped and formed under the pressure of 65t and sintered for 40 minutes at 425 ℃ and the pressure of 10MPa, and the sheet alloy material with the thickness of 0.9mm is obtained. The rest of the procedure is the same as in example 2.
Comparative example 2
Comparative example 2 differs from example 2 in that there are no steps (1), (2), step (3) being changed to: mixing aluminum powder, magnesium powder and lithium powder according to a mass ratio of 2:1:0.5, uniformly stirring, placing in a muffle furnace, heating to 525 ℃ at 10 ℃/min, roasting for 5 hours, cooling to 325 ℃, placing in an ultrasonic vibration auxiliary resistance sintering furnace, heating to 650 ℃ at 5 ℃/min, roasting for 1.2 hours under a mixed atmosphere with a power of 600W and a frequency of 22kHz, stamping and forming under a pressure of 65t, and sintering for 40 minutes under a pressure of 10MPa at 425 ℃ to obtain a sheet alloy material with a thickness of 0.9 mm. The rest of the procedure is the same as in example 2.
Comparative example 3
Comparative example 3 differs from example 2 in that step (3) was different, and step (3) was changed to: mixing aluminum-magnesium hydrotalcite and aluminum-lithium hydrotalcite according to a mass ratio of 3.5:1, uniformly stirring, placing in a muffle furnace, heating to 525 ℃ at 10 ℃/min, roasting for 5 hours, stamping and forming under 65t pressure, and sintering for 40 minutes at 425 ℃ under 10MPa to obtain the sheet alloy material with the thickness of 0.9 mm. The rest of the procedure is the same as in example 2.
Comparative example 4
Comparative example 4 differs from example 2 in that step (4) is omitted and step (6) is changed to: uniformly smearing phenolic gel on one side of a sheet alloy material, covering the other sheet alloy material with the thickness of 1.2mm, putting the sheet alloy material into a refrigerator, freezing for 36 hours, putting the sheet alloy material into a quartz boat, heating to 400 ℃ at the speed of 7 ℃/min under nitrogen atmosphere, preserving heat for 4 hours, heating to 600 ℃ at the same speed, preserving heat for 1.5 hours to obtain an intermediate, putting the intermediate into a hydrofluoric acid solution with the mass of 100 times of the intermediate and the mass ratio of hydrofluoric acid to deionized water being 0.23:200, soaking for 7 minutes, taking out, washing for 7 times by deionized water, and drying for 8 hours at the temperature of 100 ℃ to obtain the high-temperature-resistant corrosion-resistant aluminum alloy material. The rest of the procedure is the same as in example 2.
Comparative example 5
Comparative example 5 differs from example 2 in that step (5) is omitted and step (6) is changed to: placing the hydroxyl alloy material in a hydrofluoric acid solution with the mass ratio of hydrofluoric acid to deionized water of 0.23:200 and the mass ratio of 60 ℃ which is 100 times that of the hydroxyl alloy material, soaking for 7min, taking out, washing with deionized water for 7 times, and drying at 100 ℃ for 8h to obtain the high-temperature-resistant corrosion-resistant aluminum alloy material. The rest of the procedure is the same as in example 2.
Comparative example 6
Comparative example 6 differs from example 2 in that step (6) was changed to: uniformly smearing phenolic gel on one side of the hydroxylation alloy material subjected to plasma treatment, wherein the thickness is 1.2mm, covering the other piece of hydroxylation alloy material, putting the hydroxylation alloy material into a refrigerator, freezing for 36h, putting the hydroxylation alloy material into a quartz boat, heating to 400 ℃ at 7 ℃/min under nitrogen atmosphere, preserving heat for 4h, heating to 600 ℃ at the same speed, and preserving heat for 1.5h to obtain the high-temperature-resistant corrosion-resistant aluminum alloy material. The rest of the procedure is the same as in example 2.
Effect example
The results of the performance analysis of the high temperature resistant and corrosion resistant aluminum alloy materials employing examples 1 to 3 of the present invention and comparative examples 1 to 6 are given in table 1 below.
TABLE 1
As can be found from the comparison of experimental data of the embodiment and the comparative example, the invention takes the aluminum-magnesium hydrotalcite and the aluminum-lithium hydrotalcite as raw materials, compared with the traditional metal powder, the invention can lead metal elements to be uniformly dispersed, is beneficial to the complete and good development of alloy crystal forms, thereby enhancing the strength of alloy materials, and after mixed calcination, lithium elements enter mixed metal, the interaction of magnesium and lithium atoms promotes the micro-alloying of aluminum and magnesium, is beneficial to the improvement of the strength and corrosion resistance of aluminum-magnesium composite materials, and then, under the assistance of ultrasonic waves, alloy crystal grains are refined, are in a high-speed vibration state in the crystallization process, reduce agglomeration, promote the uniform nucleation growth of the alloy crystal grains, and are beneficial to the improvement of the strength and corrosion resistance of the aluminum-magnesium composite materials; then phenolic gel is coated between the flaky aluminum-magnesium alloy, and the flaky aluminum-magnesium alloy is carbonized to form an aerogel intermediate skeleton, so that the strength and toughness of the aluminum-magnesium composite material are improved, and a carbide reinforcing phase is formed at the interface of the aluminum-magnesium alloy and the aerogel in the carbonization process, so that the strength of the aluminum-magnesium composite material is improved, and the corrosion resistance of the aluminum alloy material is also improved; and then forming a protective film with low surface energy through fluoridation treatment, so as to prevent the alloy surface from being soaked in corrosive liquid.
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. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The preparation method of the high-temperature-resistant corrosion-resistant aluminum alloy material is characterized by comprising the following preparation steps:
(1) Mixing magnesium nitrate hexahydrate, aluminum nitrate nonahydrate and sodium bicarbonate, grinding for 1-4 hours at 300-600 rpm, adding distilled water, stirring for 30 minutes at 300-500 rpm, filtering, and drying at 100 ℃ for 12 hours to obtain aluminum-magnesium hydrotalcite;
(2) Mixing lithium nitrate trihydrate and aluminum nitrate nonahydrate, grinding for 40-60 min at 300-600 rpm, adding deionized water, adding potassium hydroxide-sodium carbonate until the pH of the reaction solution is 7-9, continuously grinding for 5-9 h, filtering, washing for 6-8 times with deionized water, and drying at 100 ℃ for 12h to obtain aluminum lithium hydrotalcite;
(3) Mixing aluminum-magnesium hydrotalcite and aluminum-lithium hydrotalcite according to a mass ratio of 2:1-5:1, uniformly stirring, placing in a muffle furnace, heating to 500-550 ℃ at a speed of 10 ℃/min, roasting for 4-6 hours, cooling to 300-350 ℃, placing in an ultrasonic vibration auxiliary resistance sintering furnace, heating to 600-700 ℃ at a speed of 3-7 ℃/min, roasting for 0.5-2 hours under a mixed atmosphere, stamping and forming under a pressure of 30-100 t, and sintering for 30-50 minutes under a pressure of 10MPa at a temperature of 400-450 ℃ to obtain a sheet alloy material with a thickness of 0.2-1.5 mm;
(4) Spreading a sheet alloy material on quartz glass, placing the quartz glass on a lower polar plate in pulse dielectric barrier discharge low-temperature plasma equipment, introducing argon and water vapor for 3-5 min according to a flow ratio of 4:1, and starting a generator to treat for 30-60 s to obtain a hydroxyl alloy material;
(5) Mixing thermoplastic phenolic resin and a solvent according to a mass ratio of 1:6-1:9, stirring at 60-90 rpm for 30-60 min, adding p-toluenesulfonic acid with a mass of 0.01-0.03 times that of the thermoplastic phenolic resin and diethyl sulfate with a mass of 0.01-0.03 times that of the thermoplastic phenolic resin, uniformly stirring, reacting at 80 ℃ for 24-48 h to obtain wet gel, placing the wet gel in a solvent with a mass of 3-7 times that of the wet gel, soaking for 4d, and replacing the solvent once a day to obtain phenolic gel;
(6) Uniformly smearing phenolic gel on one side of a hydroxylation alloy material subjected to plasma treatment, wherein the thickness is 0.5-2.0 mm, covering another piece of hydroxylation alloy material, putting the hydroxylation alloy material into a refrigerator, freezing for 24-48 h, putting the hydroxylation alloy material into a quartz boat, heating to 350-450 ℃ at 5-10 ℃/min under nitrogen atmosphere, preserving heat for 3-5 h, heating to 550-650 ℃ at the same speed, preserving heat for 1-2 h to obtain an intermediate, putting the intermediate into a hydrofluoric acid solution with the mass of 100 times of the intermediate and at 60 ℃, soaking for 5-10 min, taking out, washing for 6-8 times by using deionized water, and drying at 100 ℃ for 8h to obtain the high-temperature-resistant corrosion-resistant aluminum alloy material.
2. The method for preparing the high-temperature-resistant corrosion-resistant aluminum alloy material according to claim 1, wherein the grinding ball material ratio in the steps (1) and (2) is 10:1-40:1, and the grinding medium is zirconia balls with the diameter of 10mm and the diameter of 6 mm.
3. The method for preparing the high-temperature-resistant and corrosion-resistant aluminum alloy material according to claim 1, wherein in the step (1), the mass ratio of magnesium nitrate hexahydrate, aluminum nitrate nonahydrate, sodium bicarbonate and distilled water is 6:4:1:12-15:4:1:37.5.
4. The method for preparing a high-temperature-resistant corrosion-resistant aluminum alloy material according to claim 1, wherein the mass ratio of potassium hydroxide to sodium carbonate in the potassium hydroxide-sodium carbonate in the step (2) is 1.2:1.
5. The method for preparing the high-temperature-resistant and corrosion-resistant aluminum alloy material according to claim 1, wherein the mass ratio of the lithium nitrate trihydrate to the aluminum nitrate nonahydrate to the deionized water in the step (2) is 1:5:5-1:8:9.
6. The method for preparing a high temperature resistant and corrosion resistant aluminum alloy material according to claim 1, wherein the ultrasonic wave in the step (3) has a power of 600W and a frequency of 22kHz.
7. The method for preparing a high temperature resistant and corrosion resistant aluminum alloy material according to claim 1, wherein the flow ratio of hydrogen to argon in the mixed atmosphere in the step (3) is 1:19.
8. The method for preparing the high-temperature-resistant and corrosion-resistant aluminum alloy material according to claim 1, wherein in the step (4), the voltage in the pulse dielectric barrier discharge low-temperature plasma equipment is 4kV, the pulse width is 300ns, the frequency is 1kHz, and the positive pulse interval and the negative pulse interval are 2 mu s.
9. The method for preparing a high temperature and corrosion resistant aluminum alloy material according to claim 1, wherein the solvent in the step (5) is one or more of ethanol or n-propanol.
10. The method for preparing a high temperature resistant and corrosion resistant aluminum alloy material according to claim 1, wherein the mass ratio of hydrofluoric acid to deionized water in the hydrofluoric acid solution in step (6) is 0.23:200.
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