CN105543588A - Special aluminum alloy ingot for casting hubs and preparation method of aluminum alloy ingot - Google Patents
Special aluminum alloy ingot for casting hubs and preparation method of aluminum alloy ingot Download PDFInfo
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- CN105543588A CN105543588A CN201510953859.9A CN201510953859A CN105543588A CN 105543588 A CN105543588 A CN 105543588A CN 201510953859 A CN201510953859 A CN 201510953859A CN 105543588 A CN105543588 A CN 105543588A
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- 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
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
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- Organic Chemistry (AREA)
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Abstract
The invention discloses a special aluminum alloy ingot for casting hubs. The special aluminum alloy ingot comprises the following components in percentages by mass: 0.3-0.5% of Si, 0.05-0.2% of Mn, 0.05-0.1% of Cr, 2.0-2.8% of Mg, 0.1-0.3% of Cu, 0.1-0.3% of Zn, 0.3-0.8% of Ti, 0.05-0.2% of Sb, 0.1-0.2% of Zr, 0.2-0.6% of La, not greater than 0.5% of the sum of other metal and non-metallic impurity elements, and the balance of Al. The preparation method of the aluminum alloy ingot comprises the following steps: melting, refining, standing and casting. A rare earth element is added in the aluminum alloy ingot disclosed by the invention, modification and refining effects on the tissue of an aluminum alloy can be achieved, so that the mechanical property of the aluminum alloy is improved, and improvement of the mechanical performance of an aluminum alloy hub is guaranteed.
Description
Technical field
The present invention relates to aluminum alloy ingot manufacture field, particularly a kind of casting hub dedicated aluminium alloy ingot and preparation method thereof.
Background technology
Wheel hub is a vitals of automobile, and its quality directly has influence on performance and the aesthetic measure of automotive performance.The production technique of automotive hub, very strict to the performance requriements of its boss material, the wheel hub produced, not only requires to have good rotoflector performance, but also must have excellent impelling strength and good wear resisting property etc.In recent years, its wheel hub major part of superior automobile both domestic and external adopts aluminum alloy materials to make.
The quality of aluminum alloy materials is the big factors affecting wheel hub quality, what conventional cast wheel hub generally adopted at present is A356 aluminium, and be disposable casting when producing aluminium alloy wheel hub, do not reprocess, the internal organizational structure of metal does not change, and there is the problem that mechanical property is lower.
Summary of the invention
The invention provides a kind of casting hub dedicated aluminium alloy ingot and preparation method thereof, rotten and thinning processing have been carried out, for the mechanical property improving aluminium alloy wheel hub provides guarantee to the aluminum alloy materials that aluminium alloy wheel hub adopts.
For achieving the above object, technical scheme of the present invention is:
A kind of casting hub dedicated aluminium alloy ingot, the mass percent of each composition is respectively: Si0.3 ~ 0.5%, Mn0.05 ~ 0.2%, Cr0.05 ~ 0.1%, Mg2.0 ~ 2.8%%, Cu0.1 ~ 0.3%, Zn0.1 ~ 0.3%, Ti0.3 ~ 0.8%, Sb0.05 ~ 0.2%, Zr0.1 ~ 0.2%, La0.2 ~ 0.6%, other metals and nonmetallic impurity element total amount are no more than 0.5%, and all the other are Al.
Preferably, in described aluminum alloy ingot, the mass percent of each composition is respectively: Si0.4%, Mn0.1%, Cr0.08%, Mg2.4%, Cu0.2%, Zn0.2%, Ti0.6%, Sb0.12%, Zr0.15%, La0.4%, other metals and nonmetallic impurity element total amount are no more than 0.5%, and all the other are Al.
A preparation method for casting hub dedicated aluminium alloy ingot, comprises the following steps:
(1) melt: aluminum feedstock and magnesium, silicon composition and insulating covering agent are melted to 700 ~ 720 DEG C in smelting furnace, then other alloying constituents except aluminium, magnesium, silicon are added, continue to be warming up to 740 ~ 750 DEG C, after alloying element all melts, obtain molten aluminium alloy;
(2) refining: the temperature of molten aluminium alloy is adjusted to 720 ~ 740 DEG C, adds refining agent and carries out refining treatment, be then warming up to 750-760 DEG C, passes into argon gas and carries out further refinery by de-gassing, skim after refining;
(3) leave standstill: the molten aluminium alloy after refining is left standstill, treats that molten aluminium alloy temperature is down to 690 ~ 710 DEG C;
(4) ingot casting: the molten aluminium alloy after step (3) process is carried out shape casting by casting machine, in castingprocesses, casting speed controls at 70 ~ 75mm/min, water pressure of cooling water controls at 0.09 ~ 0.14MPa, is finally cast as diameter and is 45 ~ 55cm, is highly the aluminum alloy ingot finished product of 25 ~ 30cm.
Aluminum alloy ingot of the present invention, Sb, Zr, La element is added in the process of casting, and be aided with the synergy of other elements such as Si, Mn, Cr, Mg, Cu, rotten and refining effect can be played to aluminum alloy organization, thus obtain the high aluminum alloy ingot of density, improve the mechanical property of aluminium alloy, for the mechanical property improving aluminium alloy wheel hub provides guarantee.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described, but protection scope of the present invention and range of application are not limited to following examples:
Embodiment 1
A kind of casting hub dedicated aluminium alloy ingot, the mass percent of each composition is respectively: Si0.4%, Mn0.1%, Cr0.08%, Mg2.4%, Cu0.2%, Zn0.2%, Ti0.6%, Sb0.12%, Zr0.15%, La0.4%, other metals and nonmetallic impurity element total amount are no more than 0.5%, and all the other are Al.
The preparation method of above-mentioned casting hub dedicated aluminium alloy ingot, comprises the following steps:
(1) melt: aluminum feedstock and magnesium, silicon composition and insulating covering agent are melted to 700 ~ 720 DEG C in smelting furnace, then other alloying constituents except aluminium, magnesium, silicon are added, continue to be warming up to 740 ~ 750 DEG C, after alloying element all melts, obtain molten aluminium alloy;
(2) refining: the temperature of molten aluminium alloy is adjusted to 720 ~ 740 DEG C, adds refining agent and carries out refining treatment, be then warming up to 750-760 DEG C, passes into argon gas and carries out further refinery by de-gassing, skim after refining;
(3) leave standstill: the molten aluminium alloy after refining is left standstill, treats that molten aluminium alloy temperature is down to 690 ~ 710 DEG C;
(4) ingot casting: the molten aluminium alloy after step (3) process is carried out shape casting by casting machine, in castingprocesses, casting speed controls at 70 ~ 75mm/min, water pressure of cooling water controls at 0.09 ~ 0.14MPa, is finally cast as diameter and is 45 ~ 55cm, is highly the aluminum alloy ingot finished product of 25 ~ 30cm.
Adopt above-mentioned aluminum alloy ingot, manufacture aluminium alloy wheel hub by the low pressure casting method of routine, the aluminium alloy wheel hub finished product obtained, Main Mechanical is at ambient temperature: tensile strength is 328MPa, and yield strength is 250MPa, and unit elongation is 15.0%.Embodiment 2
A kind of casting hub dedicated aluminium alloy ingot, the mass percent of each composition is respectively: Si0.3%, Mn0.05%, Cr0.05%, Mg2.0%, Cu0.1%, Zn0.1%, Ti0.3%, Sb0.05%, Zr0.1%, La0.2%, other metals and nonmetallic impurity element total amount are no more than 0.5%, and all the other are Al.
The preparation method of above-mentioned casting hub dedicated aluminium alloy ingot, comprises the following steps:
(1) melt: aluminum feedstock and magnesium, silicon composition and insulating covering agent are melted to 700 ~ 720 DEG C in smelting furnace, then other alloying constituents except aluminium, magnesium, silicon are added, continue to be warming up to 740 ~ 750 DEG C, after alloying element all melts, obtain molten aluminium alloy;
(2) refining: the temperature of molten aluminium alloy is adjusted to 720 ~ 740 DEG C, adds refining agent and carries out refining treatment, be then warming up to 750-760 DEG C, passes into argon gas and carries out further refinery by de-gassing, skim after refining;
(3) leave standstill: the molten aluminium alloy after refining is left standstill, treats that molten aluminium alloy temperature is down to 690 ~ 710 DEG C;
(4) ingot casting: the molten aluminium alloy after step (3) process is carried out shape casting by casting machine, in castingprocesses, casting speed controls at 70 ~ 75mm/min, water pressure of cooling water controls at 0.09 ~ 0.14MPa, is finally cast as diameter and is 45 ~ 55cm, is highly the aluminum alloy ingot finished product of 25 ~ 30cm.
Adopt above-mentioned aluminum alloy ingot, manufacture aluminium alloy wheel hub by the low pressure casting method of routine, the aluminium alloy wheel hub finished product obtained, Main Mechanical is at ambient temperature: tensile strength is 302MPa, and yield strength is 220MPa, and unit elongation is 13.8%.Embodiment 3
A kind of casting hub dedicated aluminium alloy ingot, the mass percent of each composition is respectively: Si0.5%, Mn0.2%, Cr0.1%, Mg2.8%, Cu0.3%, Zn0.3%, Ti0.8%, Sb0.2%, Zr0.2%, La0.6%, other metals and nonmetallic impurity element total amount are no more than 0.5%, and all the other are Al.
The preparation method of above-mentioned casting hub dedicated aluminium alloy ingot, comprises the following steps:
(1) melt: aluminum feedstock and magnesium, silicon composition and insulating covering agent are melted to 700 ~ 720 DEG C in smelting furnace, then other alloying constituents except aluminium, magnesium, silicon are added, continue to be warming up to 740 ~ 750 DEG C, after alloying element all melts, obtain molten aluminium alloy;
(2) refining: the temperature of molten aluminium alloy is adjusted to 720 ~ 740 DEG C, adds refining agent and carries out refining treatment, be then warming up to 750-760 DEG C, passes into argon gas and carries out further refinery by de-gassing, skim after refining;
(3) leave standstill: the molten aluminium alloy after refining is left standstill, treats that molten aluminium alloy temperature is down to 690 ~ 710 DEG C;
(4) ingot casting: the molten aluminium alloy after step (3) process is carried out shape casting by casting machine, in castingprocesses, casting speed controls at 70 ~ 75mm/min, water pressure of cooling water controls at 0.09 ~ 0.14MPa, is finally cast as diameter and is 45 ~ 55cm, is highly the aluminum alloy ingot finished product of 25 ~ 30cm.
Adopt above-mentioned aluminum alloy ingot, manufacture aluminium alloy wheel hub by the low pressure casting method of routine, the aluminium alloy wheel hub finished product obtained, Main Mechanical is at ambient temperature: tensile strength is 326MPa, and yield strength is 249MPa, and unit elongation is 14.9%.
Claims (3)
1. a casting hub dedicated aluminium alloy ingot, is characterized in that:
In described aluminum alloy ingot, the mass percent of each composition is respectively: Si0.3 ~ 0.5%, Mn0.05 ~ 0.2%, Cr0.05 ~ 0.1%, Mg2.0 ~ 2.8%, Cu0.1 ~ 0.3%, Zn0.1 ~ 0.3%, Ti0.3 ~ 0.8%, Sb0.05 ~ 0.2%, Zr0.1 ~ 0.2%, La0.2 ~ 0.6%, other metals and nonmetallic impurity element total amount are no more than 0.5%, and all the other are Al.
2. casting hub dedicated aluminium alloy ingot according to claim 1, is characterized in that:
In described aluminum alloy ingot, the mass percent of each composition is respectively: Si0.4%, Mn0.1%, Cr0.08%, Mg2.4%, Cu0.2%, Zn0.2%, Ti0.6%, Sb0.12%, Zr0.15%, La0.4%, other metals and nonmetallic impurity element total amount are no more than 0.5%, and all the other are Al.
3. the preparation method of casting hub dedicated aluminium alloy ingot according to claim 1 and 2, is characterized in that comprising the following steps:
(1) melt: aluminum feedstock and magnesium, silicon composition and insulating covering agent are melted to 700 ~ 720 DEG C in smelting furnace, then other alloying constituents except aluminium, magnesium, silicon are added, continue to be warming up to 740 ~ 750 DEG C, after alloying element all melts, obtain molten aluminium alloy;
(2) refining: the temperature of molten aluminium alloy is adjusted to 720 ~ 740 DEG C, adds refining agent and carries out refining treatment, be then warming up to 750-760 DEG C, passes into argon gas and carries out further refinery by de-gassing, skim after refining;
(3) leave standstill: the molten aluminium alloy after refining is left standstill, treats that molten aluminium alloy temperature is down to 690 ~ 710 DEG C;
(4) ingot casting: the molten aluminium alloy after step (3) process is carried out shape casting by casting machine, in castingprocesses, casting speed controls at 70 ~ 75mm/min, water pressure of cooling water controls at 0.09 ~ 0.14MPa, is finally cast as diameter and is 45 ~ 55cm, is highly the aluminum alloy ingot finished product of 25 ~ 30cm.
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| CN201510953859.9A CN105543588A (en) | 2015-12-18 | 2015-12-18 | Special aluminum alloy ingot for casting hubs and preparation method of aluminum alloy ingot |
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| CN201510953859.9A CN105543588A (en) | 2015-12-18 | 2015-12-18 | Special aluminum alloy ingot for casting hubs and preparation method of aluminum alloy ingot |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106111917A (en) * | 2016-06-24 | 2016-11-16 | 芜湖黄燕实业有限公司 | High intensity wheel hub and preparation method thereof |
| CN106435300A (en) * | 2016-11-10 | 2017-02-22 | 长沙淮石新材料科技有限公司 | Anti-corrosive reinforced rare earth aluminum alloy |
| CN113369446A (en) * | 2021-06-04 | 2021-09-10 | 安徽拓普勒汽车科技有限公司 | Preparation method of automobile hub |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5669345A (en) * | 1979-11-01 | 1981-06-10 | Kobe Steel Ltd | High-toughness high-strength al alloy cast product |
| JPS56169745A (en) * | 1980-05-31 | 1981-12-26 | Kobe Steel Ltd | A -mg base alloy |
| CN101643869A (en) * | 2009-09-04 | 2010-02-10 | 河池学院 | High strength automobile aluminium alloy wheel rim |
| CN102477507A (en) * | 2010-11-29 | 2012-05-30 | 秦皇岛开发区美铝合金有限公司 | Preparation method of aluminum alloy casting rod special for hub of load truck |
| CN103060635A (en) * | 2013-01-10 | 2013-04-24 | 宁波江北奇宇特种轮毂有限公司 | Three-sheet aluminum-alloy forged hub material |
| CN104046859A (en) * | 2014-06-26 | 2014-09-17 | 龙口市丛林铝材有限公司 | Grain-refined extruded aluminum alloy tubular product with large wall thickness and preparation method thereof |
| CN104630574A (en) * | 2015-02-02 | 2015-05-20 | 安徽省斯特嘉汽车零部件有限公司 | Preparation method of boron carbide reinforced 6061 aluminum alloy hub |
-
2015
- 2015-12-18 CN CN201510953859.9A patent/CN105543588A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5669345A (en) * | 1979-11-01 | 1981-06-10 | Kobe Steel Ltd | High-toughness high-strength al alloy cast product |
| JPS56169745A (en) * | 1980-05-31 | 1981-12-26 | Kobe Steel Ltd | A -mg base alloy |
| CN101643869A (en) * | 2009-09-04 | 2010-02-10 | 河池学院 | High strength automobile aluminium alloy wheel rim |
| CN102477507A (en) * | 2010-11-29 | 2012-05-30 | 秦皇岛开发区美铝合金有限公司 | Preparation method of aluminum alloy casting rod special for hub of load truck |
| CN103060635A (en) * | 2013-01-10 | 2013-04-24 | 宁波江北奇宇特种轮毂有限公司 | Three-sheet aluminum-alloy forged hub material |
| CN104046859A (en) * | 2014-06-26 | 2014-09-17 | 龙口市丛林铝材有限公司 | Grain-refined extruded aluminum alloy tubular product with large wall thickness and preparation method thereof |
| CN104630574A (en) * | 2015-02-02 | 2015-05-20 | 安徽省斯特嘉汽车零部件有限公司 | Preparation method of boron carbide reinforced 6061 aluminum alloy hub |
Non-Patent Citations (1)
| Title |
|---|
| 李念奎等: "《铝合金材料及其热处理技术》", 31 January 2014, 冶金工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106111917A (en) * | 2016-06-24 | 2016-11-16 | 芜湖黄燕实业有限公司 | High intensity wheel hub and preparation method thereof |
| CN106435300A (en) * | 2016-11-10 | 2017-02-22 | 长沙淮石新材料科技有限公司 | Anti-corrosive reinforced rare earth aluminum alloy |
| CN106435300B (en) * | 2016-11-10 | 2018-07-31 | 长沙淮石新材料科技有限公司 | A kind of anti-corrosion rare earth aluminium alloy strengthened |
| CN113369446A (en) * | 2021-06-04 | 2021-09-10 | 安徽拓普勒汽车科技有限公司 | Preparation method of automobile hub |
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Application publication date: 20160504 |