CN105695813B - A kind of automotive hub dedicated aluminium alloy ingot and preparation method thereof - Google Patents
A kind of automotive hub dedicated aluminium alloy ingot and preparation method thereof Download PDFInfo
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- CN105695813B CN105695813B CN201610054783.0A CN201610054783A CN105695813B CN 105695813 B CN105695813 B CN 105695813B CN 201610054783 A CN201610054783 A CN 201610054783A CN 105695813 B CN105695813 B CN 105695813B
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- aluminium alloy
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- wheel hub
- ingot
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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
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
- B22D21/02—Casting exceedingly oxidisable non-ferrous metals, e.g. in inert atmosphere
- B22D21/04—Casting aluminium or magnesium
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Continuous Casting (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Tires In General (AREA)
Abstract
The invention discloses a kind of automotive hub dedicated aluminium alloy ingot, the mass percent of each ingredient is respectively：Si1.2~2.0%, Mn0.05~0.2%, Cr0.05~0.1%, Mg1.0~1.8%, Cu0.1~0.15%, Zn0.1~0.3%, Ti0.3~0.8%, Eu0.09~0.18%, La0.09~0.16%, B0.06~0.12%, Sr0.02~0.06%, other metals and nonmetallic impurity element total amount are no more than 0.5%, remaining is Al, and the preparation method of above-mentioned aluminium alloy ingots includes the steps that fusing, refining, stands and cast.The aluminium alloy ingots of the present invention is used for cast aluminium alloy gold wheel hub, tensile strength, yield strength and the elongation percentage of wheel hub are significantly improved both with respect to traditional aluminum alloy wheel hub material, substantially improve the mechanical property of aluminium alloy wheel hub.
Description
Technical field
The present invention relates to aluminium alloy ingots manufacture fields, especially forge automotive hub dedicated aluminium alloy ingot and its preparation side
Method.
Background technology
With the fast development of auto industry, the application of aluminium alloy wheel hub is more and more common.Aluminium alloy wheel hub compares steel wheel hub
There are four big advantages：First, non-load weight is reduced, to improve adherence properties；Second is that improving acceleration and braking；Third, increasing
Rigidity, the inclination of tire or wheel hub when the high rigidity of aluminium wheels significantly reduced curved, this is for being mounted with high-performance wheel
The car of tire is particularly important；Fourth, improve the cooling effect of braking system, in the alloy of aluminium wheels, some metals are inherently
Good heat conductor, so aluminium wheels are conducive to discharge rapidly to reduce due to making caused by high fever by the heat that braking generates
Dynamic failure, and due to aluminium alloy wheel hub can more free moulding, just more can be conducive to air-flow importeding into braking with certain
The moulding effective temperature-reducing of system.But there are also defects for aluminum wheel hub, such as：Aluminium alloy is more crisp, it is easy to small split occurs
Line, and be not easy to be found, intensity is also without steel height.To improve the mechanical property of aluminium alloy wheel hub, from aluminum alloy materials
Start with particularly critical.
Currently, cast aluminium alloy gold wheel hub is generally disposably to cast using A356 aluminiums, and when production aluminium alloy wheel hub
Type is caused, is not reprocessed, the internal organizational structure of metal does not change, and there is a problem of that mechanical performance is relatively low.
Invention content
The present invention provides automotive hub dedicated aluminium alloy ingot and preparation method thereof, the aluminium alloy that aluminium alloy wheel hub is used
Material has carried out rotten and micronization processes, and the mechanical performance to improve aluminium alloy wheel hub provides guarantee.
To achieve the above object, the technical scheme is that：
A kind of automotive hub dedicated aluminium alloy ingot, the mass percent of each ingredient are respectively：Si1.2~2.0%, Mn0.05
~0.2%, Cr0.05~0.1%, Mg1.0~1.8%, Cu0.1~0.15%, Zn0.1~0.3%, Ti0.3~0.8%,
Eu0.09~0.18%, La0.09~0.16%, B0.06~0.12%, Sr0.02~0.06%, other metals and nonmetallic
Impurity element total amount is no more than 0.5%, remaining is Al.
Preferably, the mass percent of each ingredient is respectively in the aluminium alloy ingots：Si1.7%, Mn0.12%,
Cr0.08%, Mg1.4%, Cu0.12%, Zn0.2%, Ti0.5%, Eu0.13%, La0.12%, B0.09%, Sr0.04%,
Other metals and nonmetallic impurity element total amount are no more than 0.5%, remaining is Al.
The preparation method of automotive hub dedicated aluminium alloy ingot, includes the following steps：
(1) it melts：Aluminum feedstock and magnesium, silicon ingredient and coverture are melted to 700~720 DEG C in smelting furnace, then added
Enter other alloying components other than aluminium, magnesium, silicon, is continuously heating to 740~750 DEG C, after alloying element all fusing
Molten aluminium alloy；
(2) it refines：The temperature of molten aluminium alloy is adjusted to 720~730 DEG C, refining agent is added and carries out refining treatment, so
After be warming up to 750-760 DEG C, be passed through argon gas and carry out further refinery by de-gassing, skim after refining；
(3) it stands：Molten aluminium alloy after refining is stood, waits for that molten aluminium alloy temperature is down to 690~710 DEG C；
(4) ingot casting：Casting machine will be passed through through step (3) treated molten aluminium alloy and carry out shape casting, casting process
In, casting speed control is controlled in 0.09~0.14MPa, is finally cast as a diameter of in 70~75mm/min, water pressure of cooling water
45~55cm, it is highly the aluminium alloy ingots finished product of 25~30cm.
The present invention aluminium alloy ingots, Ti, Eu, La element are added during casting, and be aided with Si, Mn, Cr, Mg,
B, the synergistic effect of the other elements such as Sr can play aluminum alloy organization rotten and refining effect, enable aluminum alloy to each position of tissue
Average grain size it is more tiny, be distributed it is each above-mentioned aluminium alloy ingots is uniformly used for cast aluminium alloy gold wheel hub, gained wheel hub it is anti-
Tensile strength, yield strength and elongation percentage are significantly improved both with respect to traditional aluminum alloy wheel hub material, substantially improve aluminium conjunction
The mechanical property of golden wheel hub.
Specific implementation mode
Below in conjunction with specific embodiment, the invention will be further described, but protection scope and application range of the present invention are not
It is limited to following embodiment：
Embodiment 1
Automotive hub dedicated aluminium alloy ingot, the mass percent of each ingredient are respectively：Si1.7%, Mn0.12%,
Cr0.08%, Mg1.4%, Cu0.12%, Zn0.2%, Ti0.5%, Eu0.13%, La0.12%, B0.09%, Sr0.04%,
Other metals and nonmetallic impurity element total amount are no more than 0.5%, remaining is Al.
The preparation method of above-mentioned automotive hub dedicated aluminium alloy ingot, includes the following steps：
(1) it melts：Aluminum feedstock and magnesium, silicon ingredient and coverture are melted to 700~720 DEG C in smelting furnace, then added
Enter other alloying components other than aluminium, magnesium, silicon, is continuously heating to 740~750 DEG C, after alloying element all fusing
Molten aluminium alloy；
(2) it refines：The temperature of molten aluminium alloy is adjusted to 720~730 DEG C, refining agent is added and carries out refining treatment, so
After be warming up to 750-760 DEG C, be passed through argon gas and carry out further refinery by de-gassing, skim after refining；
(3) it stands：Molten aluminium alloy after refining is stood, waits for that molten aluminium alloy temperature is down to 690~710 DEG C；
(4) ingot casting：Casting machine will be passed through through step (3) treated molten aluminium alloy and carry out shape casting, casting process
In, casting speed control is controlled in 0.09~0.14MPa, is finally cast as a diameter of in 70~75mm/min, water pressure of cooling water
45~55cm, it is highly the aluminium alloy ingots finished product of 25~30cm.
Using above-mentioned aluminium alloy ingots, aluminium alloy wheel hub, the aluminum alloy wheel obtained are manufactured by conventional low pressure casting method
Hub finished product, main mechanical properties at ambient temperature are：Tensile strength is 376MPa, yield strength 290MPa, elongation percentage
It is 14.8%.
Embodiment 2
Automotive hub dedicated aluminium alloy ingot, the mass percent of each ingredient be respectively Si1.2%, Mn0.05%,
Cr0.05%, Mg1.0%, Cu0.1%, Zn0.1%, Ti0.3%, Eu0.09%, La0.09%, B0.06%, Sr0.02%,
Other metals and nonmetallic impurity element total amount are no more than 0.5%, remaining is Al.
The preparation method of above-mentioned automotive hub dedicated aluminium alloy ingot, includes the following steps：
(1) it melts：Aluminum feedstock and magnesium, silicon ingredient and coverture are melted to 700~720 DEG C in smelting furnace, then added
Enter other alloying components other than aluminium, magnesium, silicon, is continuously heating to 740~750 DEG C, after alloying element all fusing
Molten aluminium alloy；
(2) it refines：The temperature of molten aluminium alloy is adjusted to 720~730 DEG C, refining agent is added and carries out refining treatment, so
After be warming up to 750-760 DEG C, be passed through argon gas and carry out further refinery by de-gassing, skim after refining；
(3) it stands：Molten aluminium alloy after refining is stood, waits for that molten aluminium alloy temperature is down to 690~710 DEG C；
(4) ingot casting：Casting machine will be passed through through step (3) treated molten aluminium alloy and carry out shape casting, casting process
In, casting speed control is controlled in 0.09~0.14MPa, is finally cast as a diameter of in 70~75mm/min, water pressure of cooling water
45~55cm, it is highly the aluminium alloy ingots finished product of 25~30cm.
Using above-mentioned aluminium alloy ingots, aluminium alloy wheel hub, the aluminum alloy wheel obtained are manufactured by conventional low pressure casting method
Hub finished product, main mechanical properties at ambient temperature are：Tensile strength is 335MPa, yield strength 299MPa, elongation percentage
It is 13.8%.
Embodiment 3
Automotive hub dedicated aluminium alloy ingot, the mass percent of each ingredient are respectively：Si2.0%, Mn0.2%,
Cr0.1%, Mg1.8%, Cu0.3%, Zn0.3%, Ti0.8%, Eu0.18%, La0.16%, B0.12%, Sr0.06%,
His metal and nonmetallic impurity element total amount are no more than 0.5%, remaining is Al.
The preparation method of above-mentioned automotive hub dedicated aluminium alloy ingot, includes the following steps：
(1) it melts：Aluminum feedstock and magnesium, silicon ingredient and coverture are melted to 700~720 DEG C in smelting furnace, then added
Enter other alloying components other than aluminium, magnesium, silicon, is continuously heating to 740~750 DEG C, after alloying element all fusing
Molten aluminium alloy；
(2) it refines：The temperature of molten aluminium alloy is adjusted to 720~730 DEG C, refining agent is added and carries out refining treatment, so
After be warming up to 750-760 DEG C, be passed through argon gas and carry out further refinery by de-gassing, skim after refining；
(3) it stands：Molten aluminium alloy after refining is stood, waits for that molten aluminium alloy temperature is down to 690~710 DEG C；
(4) ingot casting：Casting machine will be passed through through step (3) treated molten aluminium alloy and carry out shape casting, casting process
In, casting speed control is controlled in 0.09~0.14MPa, is finally cast as a diameter of in 70~75mm/min, water pressure of cooling water
45~55cm, it is highly the aluminium alloy ingots finished product of 25~30cm.
Using above-mentioned aluminium alloy ingots, aluminium alloy wheel hub, the aluminum alloy wheel obtained are manufactured by conventional low pressure casting method
Hub finished product, main mechanical properties at ambient temperature are：Tensile strength is 375MPa, yield strength 291MPa, elongation percentage
It is 14.8%.
Claims (1)
1. a kind of automotive hub dedicated aluminium alloy ingot, it is characterised in that：
The mass percent of each ingredient is respectively in the aluminium alloy ingots：Si1.7~2.0%, Mn0.05~0.2%, Cr0.05
~0.1%, Mg1.4~1.8%, Cu0.12~0.15%, Zn0.2~0.3%, Ti0.3~0.8%, Eu0.09~0.18%,
La0.09~0.16%, B0.06~0.12%, Sr0.02~0.06%, other metals and nonmetallic impurity element total amount are not
More than 0.5%, remaining is Al；
The preparation method of the automotive hub dedicated aluminium alloy ingot, includes the following steps：
(1) it melts：Aluminum feedstock and magnesium, silicon ingredient and coverture are melted to 700~720 DEG C in smelting furnace, is then added and removes
Other alloying components except aluminium, magnesium, silicon, are continuously heating to 740~750 DEG C, after alloying element all fusing aluminium closes
Golden melt；
(2) it refines：The temperature of molten aluminium alloy is adjusted to 720~730 DEG C, refining agent is added and carries out refining treatment, then rises
Temperature is passed through argon gas and carries out further refinery by de-gassing, skim after refining to 750-760 DEG C；
(3) it stands：Molten aluminium alloy after refining is stood, waits for that molten aluminium alloy temperature is down to 690~710 DEG C；
(4) ingot casting：Shape casting will be carried out by casting machine through step (3) treated molten aluminium alloy, in casting process, casting
Speed control is made in 70~75mm/min, water pressure of cooling water is controlled in 0.09~0.14MPa, finally it is cast as a diameter of 45~
55cm, it is highly the aluminium alloy ingots finished product of 25~30cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610054783.0A CN105695813B (en) | 2016-01-27 | 2016-01-27 | A kind of automotive hub dedicated aluminium alloy ingot and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610054783.0A CN105695813B (en) | 2016-01-27 | 2016-01-27 | A kind of automotive hub dedicated aluminium alloy ingot and preparation method thereof |
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| CN105695813A CN105695813A (en) | 2016-06-22 |
| CN105695813B true CN105695813B (en) | 2018-08-28 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111394629B (en) * | 2020-03-30 | 2021-06-01 | 北京交通大学 | Aluminum alloy for hub, preparation method and preparation method of hub workpiece |
| CN111996422A (en) * | 2020-08-26 | 2020-11-27 | 烟台市鼎润铝业有限公司 | High-performance aluminum alloy ingot for automobile hub and preparation method of aluminum alloy ingot |
| CN112921215B (en) * | 2021-01-19 | 2022-02-15 | 江苏大学 | A kind of cast-spin and forging-spin-processed aluminum alloy for automobile wheel hub, preparation method, automobile wheel hub and preparation method thereof |
| CN113430407A (en) * | 2021-06-29 | 2021-09-24 | 安徽古月机械制造有限公司 | Method for melting ZL101A aluminum liquid |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2827305A1 (en) * | 2001-07-10 | 2003-01-17 | Pechiney Aluminium | Ductile aluminum alloy destined for casting under pressure of structural and security components for motor vehicles |
| CN1555423A (en) * | 2001-07-25 | 2004-12-15 | �Ѻ͵繤��ʽ���� | Aluminum alloy excellent in machinability, and aluminum alloy material and method for production thereof |
| CN102312135A (en) * | 2010-06-30 | 2012-01-11 | 通用汽车环球科技运作有限责任公司 | Improved y alloy y |
| CN103966478A (en) * | 2013-01-24 | 2014-08-06 | 秦皇岛开发区美铝合金有限公司 | Production technology for aluminium alloy casting rod special for automobile Peugeot hubs |
| CN104651681A (en) * | 2015-03-19 | 2015-05-27 | 广西平果铝合金精密铸件有限公司 | Aluminum alloy automobile hub and preparation method thereof |
-
2016
- 2016-01-27 CN CN201610054783.0A patent/CN105695813B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2827305A1 (en) * | 2001-07-10 | 2003-01-17 | Pechiney Aluminium | Ductile aluminum alloy destined for casting under pressure of structural and security components for motor vehicles |
| CN1555423A (en) * | 2001-07-25 | 2004-12-15 | �Ѻ͵繤��ʽ���� | Aluminum alloy excellent in machinability, and aluminum alloy material and method for production thereof |
| CN102312135A (en) * | 2010-06-30 | 2012-01-11 | 通用汽车环球科技运作有限责任公司 | Improved y alloy y |
| CN103966478A (en) * | 2013-01-24 | 2014-08-06 | 秦皇岛开发区美铝合金有限公司 | Production technology for aluminium alloy casting rod special for automobile Peugeot hubs |
| CN104651681A (en) * | 2015-03-19 | 2015-05-27 | 广西平果铝合金精密铸件有限公司 | Aluminum alloy automobile hub and preparation method thereof |
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Effective date of registration: 20200727 Address after: Room 106, No.4, Shijijiayuan, torch hi tech Industrial Development Zone, Weihai City, Shandong Province Patentee after: Tang Chengshun Address before: 531400 No. 5, Pingguo Industrial Zone, the Guangxi Zhuang Autonomous Region, Baise Patentee before: GUANGXI PINGGUO ALUMINIUM ALLOY PRECISION CASTING Co.,Ltd. |
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