CN105401019A - Preparation method of corrosion-resistant aluminum alloy - Google Patents
Preparation method of corrosion-resistant aluminum alloy Download PDFInfo
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- CN105401019A CN105401019A CN201510786760.4A CN201510786760A CN105401019A CN 105401019 A CN105401019 A CN 105401019A CN 201510786760 A CN201510786760 A CN 201510786760A CN 105401019 A CN105401019 A CN 105401019A
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Abstract
The invention provides a preparation method of corrosion-resistant aluminum alloy. The preparation method of the corrosion-resistant aluminum alloy comprises the steps that zinc powder, magnesium powder, silicon powder, an iron block, a rhenium ingot, a titanium ingot, boron powder, a copper block, an indium ingot, chrome powder and a cerium ingot are smelted, so that liquid alloy is obtained; argon is sprayed by means of an argon tank, so that a nano-modificator is evenly dispersed and distributed in the liquid alloy for modification treatment; then a compound stabilizer is added; refining and deoxidization are conducted; pouring is conducted; a casting is obtained through casting forming and cleaning; the casting is preheated and reheated and is subjected to heat preservation; then pre-cooling treatment, quenching treatment and tempering treatment are conducted on the casting in clear water; and the corrosion-resistant aluminum alloy is obtained after the casting is cooled to the indoor temperature. The tensile strength of the obtained aluminum alloy is improved by 0.7%, the yield strength of the obtained aluminum alloy is improved by 6.1%, the ductility of the obtained aluminum alloy is improved by 10.8%, the impact toughness of the obtained aluminum alloy is improved by 17.9%, and the hardness of the obtained aluminum alloy is improved by HRC0.3. The aluminum alloy prepared through the method has excellent corrosion resistance.
Description
Technical field
The present invention relates to a kind of preparation method of aluminium alloy, particularly relate to a kind of preparation method of anticorrosion aluminium alloy.
Background technology
At present, since the mankind start metal smelting and use metal products, corrosion of metal and protection question are also just together.Corrosion of metal is huge to the loss that society causes.According to statistics, the metal that people smelt out every year about has 1/10 to be damaged by corrosion, and being equivalent to about has the smeltery of 1/10 to do idle work because of the existence of corrosion every year; And the destruction of the metal products that the metal that 1/10 is damaged by corrosion brings disaster to, its loss will be far longer than the value of metal itself; And the loss of the shut-down caused thus, stopping production and personal injury is difficult to the appraisal especially.So metallic corrosion and protection question cause the great attention of people.Aluminium zinc is a kind of novel anticorrosion material, is mainly used in the coating of metallic surface, compares with fine aluminium coating with pure zinc, it has adhesivity after being coated with strong, wear resistance and erosion resistance better, the features such as workability is superior, thus obtain and apply comparatively widely, and become the focus of people's research.
Summary of the invention
For solving the technical problem existed in background technology, the present invention proposes a kind of preparation method of anticorrosion aluminium alloy, and the Aluminum alloy tensile intensity obtained improves 0.7%, yield strength improves 6.1%, unit elongation improves 10.8%, and impelling strength improves 17.9%, and hardness improves HRC0.3; There is excellent Corrosion Protection.
The preparation method of a kind of anticorrosion aluminium alloy that the present invention proposes, comprises the steps:
S1, zinc powder, magnesium powder, silica flour, iron block, rhenium ingot, titanium ingot, boron powder, copper billet, indium ingot, chromium powder and cerium ingot are carried out melting, obtain aluminium alloy, utilize argon tanks to jet argon gas, nanometer alterant even dispersion is distributed in aluminium alloy and carries out Metamorphism treatment;
S2, the aluminium alloy crossed through Metamorphism treatment in S1 add one package stabilizer, then refinement and deoxidation, detect, aluminium alloy comprises following component by weight percentage: Zn4-8%, Mg3-5%, Si2-4%, Fe1-3%, Re0.5-1.5%, Ti1-1.5%, B1.5-2.5%, Cu5-8%, In0.2-0.8%, Cr0.1-0.5%, Ce0.1-0.2%; Surplus is aluminium and inevitable impurity;
S3, pour into a mould obtaining aluminium alloy in S2, through casting, cleaning, obtains foundry goods, by foundry goods at 950-1050 DEG C of preheating 35-45min, reheat 40-45min, insulation 2-3h, then in clear water, carry out precooling treatment, the time of precooling treatment is 3-4min, and the temperature of clear water is 37-42 DEG C;
S4, the foundry goods after precooling treatment in S3 is put into salt brine solution carry out quench treatment, the temperature of quench treatment is 760-780 DEG C, the time of quench treatment is 4-7min, foundry goods after quench treatment is warming up to 180-210 DEG C and carries out temper, the time of temper is 5-6h, obtains anticorrosion aluminium alloy after cool to room temperature.
Preferably, in S1, by adding in smelting furnace after zinc powder and the mixing of magnesium powder, at 720-750 DEG C, after zinc powder and magnesium powder are molten into liquid state, add silica flour, iron block, rhenium ingot, titanium ingot, boron powder, copper billet, indium ingot, chromium powder and cerium ingot and carrying out melting, obtaining aluminium alloy.
Preferably, the nanometer alterant in S1 is one or more compositions in TiN, SiC, TiC, WN, VN, AlN.
Preferably, the one package stabilizer in S2 is mixed by weight for 1-3:2-5 by methanesulfonic tin and 2-mercaptobenzothiazole.
Preferably, the aluminium alloy in S2 comprises following component by weight percentage: Zn5-7%, Mg3.5-4.5%, Si2.5-3.5%, Fe1.5-2.5%, Re0.8-1.2%, Ti1.1-1.4%, B1.8-2.2%, Cu6-7%, In0.3-0.7%, Cr0.2-0.4%, Ce0.12-0.18%; Surplus is aluminium and inevitable impurity.
Preferably, the aluminium alloy in S2 comprises following component by weight percentage: Zn6%, Mg4%, Si3%, Fe2%, Re1.0%, Ti1.25%, B2.0%, Cu6.5%, In0.5%, Cr0.3%, Ce0.15%; Surplus is aluminium and inevitable impurity.
Preferably, in S3, pour into a mould obtaining aluminium alloy in S2, through casting, cleaning, obtain foundry goods, by foundry goods at 980-1020 DEG C of preheating 38-42min, reheat 41-44min, insulation 2.2-2.8h, then in clear water, carry out precooling treatment, the time of precooling treatment is 3.2-3.8min, and the temperature of clear water is 38-41 DEG C;
Preferably, in S4, foundry goods after precooling treatment in S3 is put into salt brine solution and carries out quench treatment, the temperature of quench treatment is 765-775 DEG C, the time of quench treatment is 5-6min, foundry goods after quench treatment is warming up to 190-200 DEG C and carries out temper, the time of temper is 5.2-5.8h, obtains anticorrosion aluminium alloy after cool to room temperature.
In the present invention, aluminium alloy after melting is carried out the Metamorphism treatment of nanometer alterant, the nanometer forming core formed in aluminium alloy with nano-scale and high surface particle and nanometer alterant particle dispersion are evenly distributed on matrix, it has high rigidity, high-melting-point, high temperature resistant, the feature that size is little and dispersity is high, the core amounts of forming core is increased in crystallisation process, decrease grain-size, refinement crystal grain, dispersion hardening in the high surface of nanometer alterant and crystal grain thinning process, effectively raise hardness and the toughness of aluminium alloy, break the corresponding relation that aluminium alloy hardness in strengthening process improves inevitable toughness decline, contrast with high manganese and low chromium alloy wear-resisting ball of the prior art, as-heat-treated condition toughness improves 10-80%, grain refining can be made to some wear-resisting alloy steels, a crystal grains fine 1-2 rank, tensile strength improves 0.7%, yield strength improves 6.1%, unit elongation improves 10.8%, impelling strength improves 17.9%, hardness improves HRC0.3.In the present invention, by adding the one package stabilizer be made up of methanesulfonic tin and 2-mercaptobenzothiazole, effectively can improve the stability of each metallographic phase in aluminium alloy, effectively improve hardness and the toughness of aluminium alloy.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail; should understand; embodiment is only for illustration of the present invention, instead of for limiting the present invention, any amendment, equivalent replacement etc. made on basis of the present invention is all in protection scope of the present invention.
Embodiment 1
The preparation method of a kind of anticorrosion aluminium alloy that the present invention proposes, comprises the steps:
S1, will zinc powder and magnesium powder mixing after add in smelting furnace, at 735 DEG C, after zinc powder and magnesium powder are molten into liquid state, add silica flour, iron block, rhenium ingot, titanium ingot, boron powder, copper billet, indium ingot, chromium powder and cerium ingot and carry out melting, obtain aluminium alloy, utilize argon tanks winding-up argon gas, TiN even dispersion is distributed in aluminium alloy and carries out Metamorphism treatment;
S2, the aluminium alloy crossed through Metamorphism treatment in S1 add one package stabilizer, then refinement and deoxidation, detect, aluminium alloy comprises following component by weight percentage: Zn6%, Mg4%, Si3%, Fe2%, Re1.0%, Ti1.25%, B2.0%, Cu6.5%, In0.5%, Cr0.3%, Ce0.15%; Surplus is aluminium and inevitable impurity;
S3, pour into a mould obtaining aluminium alloy in S2, through casting, cleaning, obtains foundry goods, by foundry goods at 1000 DEG C of preheating 40min, reheat 42.5min, insulation 2.5h, then in clear water, carry out precooling treatment, the time of precooling treatment is 3.5min, and the temperature of clear water is 39.5 DEG C;
S4, the foundry goods after precooling treatment in S3 is put into salt brine solution carry out quench treatment, the temperature of quench treatment is 770 DEG C, the time of quench treatment is 5.5min, foundry goods after quench treatment is warming up to 195 DEG C and carries out temper, the time of temper is 5.5h, obtains anticorrosion aluminium alloy after cool to room temperature.
In S2, one package stabilizer is mixed by weight for 2:3.5 by methanesulfonic tin and 2-mercaptobenzothiazole.
Embodiment 2
The preparation method of a kind of anticorrosion aluminium alloy that the present invention proposes, comprises the steps:
S1, will zinc powder and magnesium powder mixing after add in smelting furnace, at 720 DEG C, after zinc powder and magnesium powder are molten into liquid state, add silica flour, iron block, rhenium ingot, titanium ingot, boron powder, copper billet, indium ingot, chromium powder and cerium ingot and carry out melting, obtain aluminium alloy, utilize argon tanks winding-up argon gas, SiC even dispersion is distributed in aluminium alloy and carries out Metamorphism treatment;
S2, the aluminium alloy crossed through Metamorphism treatment in S1 add one package stabilizer, then refinement and deoxidation, detect, aluminium alloy comprises following component by weight percentage: Zn4%, Mg5%, Si2%, Fe3%, Re0.5%, Ti1.5%, B1.5%, Cu8%, In0.2%, Cr0.5%, Ce0.1%; Surplus is aluminium and inevitable impurity;
S3, pour into a mould obtaining aluminium alloy in S2, through casting, cleaning, obtains foundry goods, by foundry goods at 950 DEG C of preheating 45min, reheat 40min, insulation 3h, then in clear water, carry out precooling treatment, the time of precooling treatment is 3min, and the temperature of clear water is 42 DEG C;
S4, the foundry goods after precooling treatment in S3 is put into salt brine solution carry out quench treatment, the temperature of quench treatment is 760 DEG C, the time of quench treatment is 7min, foundry goods after quench treatment is warming up to 180 DEG C and carries out temper, the time of temper is 6h, obtains anticorrosion aluminium alloy after cool to room temperature.
In S2, one package stabilizer is mixed by weight for 1:5 by methanesulfonic tin and 2-mercaptobenzothiazole.
Embodiment 3
The preparation method of a kind of anticorrosion aluminium alloy that the present invention proposes, comprises the steps:
S1, will zinc powder and magnesium powder mixing after add in smelting furnace, at 750 DEG C, after zinc powder and magnesium powder are molten into liquid state, add silica flour, iron block, rhenium ingot, titanium ingot, boron powder, copper billet, indium ingot, chromium powder and cerium ingot and carry out melting, obtain aluminium alloy, utilize argon tanks winding-up argon gas, TiC even dispersion is distributed in aluminium alloy and carries out Metamorphism treatment;
S2, the aluminium alloy crossed through Metamorphism treatment in S1 add one package stabilizer, then refinement and deoxidation, detect, aluminium alloy comprises following component by weight percentage: Zn8%, Mg3%, Si4%, Fe1%, Re1.5%, Ti1%, B2.5%, Cu5%, In0.8%, Cr0.1%, Ce0.2%; Surplus is aluminium and inevitable impurity;
S3, pour into a mould obtaining aluminium alloy in S2, through casting, cleaning, obtains foundry goods, by foundry goods at 1050 DEG C of preheating 35min, reheat 45min, insulation 2h, then in clear water, carry out precooling treatment, the time of precooling treatment is 4min, and the temperature of clear water is 37 DEG C;
S4, the foundry goods after precooling treatment in S3 is put into salt brine solution carry out quench treatment, the temperature of quench treatment is 780 DEG C, the time of quench treatment is 4min, foundry goods after quench treatment is warming up to 210 DEG C and carries out temper, the time of temper is 5h, obtains anticorrosion aluminium alloy after cool to room temperature.
In S2, one package stabilizer is mixed by weight for 3:2 by methanesulfonic tin and 2-mercaptobenzothiazole.
Embodiment 4
The preparation method of a kind of anticorrosion aluminium alloy that the present invention proposes, comprises the steps:
S1, will zinc powder and magnesium powder mixing after add in smelting furnace, at 725 DEG C, after zinc powder and magnesium powder are molten into liquid state, add silica flour, iron block, rhenium ingot, titanium ingot, boron powder, copper billet, indium ingot, chromium powder and cerium ingot and carry out melting, obtain aluminium alloy, utilize argon tanks winding-up argon gas, WN even dispersion is distributed in aluminium alloy and carries out Metamorphism treatment;
S2, the aluminium alloy crossed through Metamorphism treatment in S1 add one package stabilizer, then refinement and deoxidation, detect, aluminium alloy comprises following component by weight percentage: Zn5%, Mg4.5%, Si2.5%, Fe2.5%, Re0.8%, Ti1.4%, B1.8%, Cu7%, In0.3%, Cr0.4%, Ce0.12%; Surplus is aluminium and inevitable impurity;
S3, pour into a mould obtaining aluminium alloy in S2, through casting, cleaning, obtains foundry goods, by foundry goods at 980 DEG C of preheating 42min, reheat 41min, insulation 2.8h, then in clear water, carry out precooling treatment, the time of precooling treatment is 3.2min, and the temperature of clear water is 41 DEG C;
S4, the foundry goods after precooling treatment in S3 is put into salt brine solution carry out quench treatment, the temperature of quench treatment is 765 DEG C, the time of quench treatment is 6min, foundry goods after quench treatment is warming up to 190 DEG C and carries out temper, the time of temper is 5.8h, obtains anticorrosion aluminium alloy after cool to room temperature.
In S2, one package stabilizer is mixed by weight for 1.5:4 by methanesulfonic tin and 2-mercaptobenzothiazole.
Embodiment 5
The preparation method of a kind of anticorrosion aluminium alloy that the present invention proposes, comprises the steps:
S1, will zinc powder and magnesium powder mixing after add in smelting furnace, at 745 DEG C, after zinc powder and magnesium powder are molten into liquid state, add silica flour, iron block, rhenium ingot, titanium ingot, boron powder, copper billet, indium ingot, chromium powder and cerium ingot and carry out melting, obtain aluminium alloy, utilize argon tanks winding-up argon gas, VN even dispersion is distributed in aluminium alloy and carries out Metamorphism treatment;
S2, the aluminium alloy crossed through Metamorphism treatment in S1 add one package stabilizer, then refinement and deoxidation, detect, aluminium alloy comprises following component by weight percentage: Zn7%, Mg3.5%, Si3.5%, Fe1.5%, Re1.2%, Ti1.1%, B2.2%, Cu6%, In0.7%, Cr0.2%, Ce0.18%; Surplus is aluminium and inevitable impurity;
S3, pour into a mould obtaining aluminium alloy in S2, through casting, cleaning, obtains foundry goods, by foundry goods at 1020 DEG C of preheating 38min, reheat 44min, insulation 2.2h, then in clear water, carry out precooling treatment, the time of precooling treatment is 3.8min, and the temperature of clear water is 38 DEG C;
S4, the foundry goods after precooling treatment in S3 is put into salt brine solution carry out quench treatment, the temperature of quench treatment is 775 DEG C, the time of quench treatment is 5min, foundry goods after quench treatment is warming up to 200 DEG C and carries out temper, the time of temper is 5.2h, obtains anticorrosion aluminium alloy after cool to room temperature.
In S2, one package stabilizer is mixed by weight for 2.5:3 by methanesulfonic tin and 2-mercaptobenzothiazole.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (8)
1. a preparation method for anticorrosion aluminium alloy, is characterized in that, comprises the steps:
S1, zinc powder, magnesium powder, silica flour, iron block, rhenium ingot, titanium ingot, boron powder, copper billet, indium ingot, chromium powder and cerium ingot are carried out melting, obtain aluminium alloy, utilize argon tanks to jet argon gas, nanometer alterant even dispersion is distributed in aluminium alloy and carries out Metamorphism treatment;
S2, the aluminium alloy crossed through Metamorphism treatment in S1 add one package stabilizer, then refinement and deoxidation, detect, aluminium alloy comprises following component by weight percentage: Zn4-8%, Mg3-5%, Si2-4%, Fe1-3%, Re0.5-1.5%, Ti1-1.5%, B1.5-2.5%, Cu5-8%, In0.2-0.8%, Cr0.1-0.5%, Ce0.1-0.2%; Surplus is aluminium and inevitable impurity;
S3, to pour into a mould obtaining aluminium alloy in S2, through casting, cleaning, obtains foundry goods, by foundry goods at 950-1050 DEG C of preheating 35-45min, reheat 40-45min, insulation 2-3h, then carries out precooling treatment in clear water, the time of precooling treatment is 3-4min, the foundry goods of the Wen Lihou of clear water is put into salt brine solution and is carried out quench treatment, and the temperature of quench treatment is 760-780 DEG C, and the time of quench treatment is 4-7min degree is 37-42 DEG C;
S4, by precooling place in S3, the foundry goods after quench treatment is warming up to 180-210 DEG C and carries out temper, the time of temper is 5-6h, obtains anticorrosion aluminium alloy after cool to room temperature.
2. the preparation method of anticorrosion aluminium alloy according to claim 1, it is characterized in that, in S1, to add in smelting furnace after zinc powder and the mixing of magnesium powder, at 720-750 DEG C, after zinc powder and magnesium powder are molten into liquid state, add silica flour, iron block, rhenium ingot, titanium ingot, boron powder, copper billet, indium ingot, chromium powder and cerium ingot and carry out melting, obtain aluminium alloy.
3. the preparation method of anticorrosion aluminium alloy according to claim 1 and 2, is characterized in that, the nanometer alterant in S1 is one or more compositions in TiN, SiC, TiC, WN, VN, AlN.
4. the preparation method of the anticorrosion aluminium alloy according to any one of claim 1-3, is characterized in that, the one package stabilizer in S2 is mixed by weight for 1-3:2-5 by methanesulfonic tin and 2-mercaptobenzothiazole.
5. the preparation method of the anticorrosion aluminium alloy according to any one of claim 1-4, it is characterized in that, the aluminium alloy in S2 comprises following component by weight percentage: Zn5-7%, Mg3.5-4.5%, Si2.5-3.5%, Fe1.5-2.5%, Re0.8-1.2%, Ti1.1-1.4%, B1.8-2.2%, Cu6-7%, In0.3-0.7%, Cr0.2-0.4%, Ce0.12-0.18%; Surplus is aluminium and inevitable impurity.
6. the preparation method of the anticorrosion aluminium alloy according to any one of claim 1-5, it is characterized in that, the aluminium alloy in S2 comprises following component by weight percentage: Zn6%, Mg4%, Si3%, Fe2%, Re1.0%, Ti1.25%, B2.0%, Cu6.5%, In0.5%, Cr0.3%, Ce0.15%; Surplus is aluminium and inevitable impurity.
7. the preparation method of the anticorrosion aluminium alloy according to any one of claim 1-6, is characterized in that, in S3, pour into a mould obtaining aluminium alloy in S2, through casting, cleaning, obtains foundry goods, by foundry goods at 980-1020 DEG C of preheating 38-42min, reheat 41-44min, insulation 2.2-2.8h, then carries out precooling treatment in clear water, the time of precooling treatment is 3.2-3.8min, and the temperature of clear water is 38-41 DEG C.
8. the preparation method of the anticorrosion aluminium alloy according to any one of claim 1-7, it is characterized in that, in S4, foundry goods after precooling treatment in S3 is put into salt brine solution and carries out quench treatment, the temperature of quench treatment is 765-775 DEG C, and the time of quench treatment is 5-6min, the foundry goods after quench treatment is warming up to 190-200 DEG C and carries out temper, the time of temper is 5.2-5.8h, obtains anticorrosion aluminium alloy after cool to room temperature.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110724856A (en) * | 2019-12-04 | 2020-01-24 | 浙江机电职业技术学院 | Corrosion-resistant composite metal material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100580A (en) * | 1985-04-01 | 1986-08-20 | 南京工学院 | But anti-corrosion, light color development aluminium diecast alloy |
| CN1656240A (en) * | 2002-06-24 | 2005-08-17 | 克里斯铝轧制品有限公司 | Method for producing a high strength Al-Zn-Mg-Cu alloy |
-
2015
- 2015-11-14 CN CN201510786760.4A patent/CN105401019A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100580A (en) * | 1985-04-01 | 1986-08-20 | 南京工学院 | But anti-corrosion, light color development aluminium diecast alloy |
| CN1656240A (en) * | 2002-06-24 | 2005-08-17 | 克里斯铝轧制品有限公司 | Method for producing a high strength Al-Zn-Mg-Cu alloy |
Non-Patent Citations (1)
| Title |
|---|
| 肖立隆 等: "《铝合金铸造、挤压生产管棒型材》", 31 October 2013 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110724856A (en) * | 2019-12-04 | 2020-01-24 | 浙江机电职业技术学院 | Corrosion-resistant composite metal material and preparation method thereof |
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Inventor after: Dong Qiongqiong Inventor before: Li Zhengyuan |
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Effective date of registration: 20161215 Address after: 230601, Hefei economic and Technological Development Zone, Anhui, stone road, No. 339, No. 22, Venus commercial building, floor two, 2006 Applicant after: Hefei Yi Yuanxin Material Co., Ltd. Address before: Hefei City, Anhui province water 230000 Yangjiang Road, building 6 seasons flowers Lang Yunyuan block C Room 601 Applicant before: HEFEI BIAOBING KAIJI NEW MATERIALS CO., LTD. |
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