CN103572109A - Aluminium alloy sheet of automotive body - Google Patents
Aluminium alloy sheet of automotive body Download PDFInfo
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- CN103572109A CN103572109A CN201310517443.3A CN201310517443A CN103572109A CN 103572109 A CN103572109 A CN 103572109A CN 201310517443 A CN201310517443 A CN 201310517443A CN 103572109 A CN103572109 A CN 103572109A
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- aluminum alloy
- alloy plate
- plate materials
- motor car
- aluminium alloy
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Abstract
The invention relates to an aluminium alloy sheet of an automotive body. The aluminium alloy sheet comprises the following components according to weight percent: 0.45%-0.50% of magnesium, 0.8%-0.95% of silicon, 0.08%-0.10% of chromium, 0.20%-0.30% of iron, 0.20%-0.25% of copper, 0.03%-0.05% of titanium, 0.01%-0.02% of vanadium and the balance being Al and inevitable impurities. With the technical scheme, the aluminium alloy sheet has the advantages of low cost, high quality, good formability and good corrosion resistance.
Description
Technical field
The invention belongs to field of aluminum alloys, specifically refer to a kind of composition material that can be used for the aluminum alloy plate materials of body of a motor car.
Background technology
Sheet material for body of a motor car must have high formability and intensity; Therefore, Cold Rolled Sheet Steel is used for to this body of a motor car always.Yet, in order to obtain high fuel efficiency and in order to obtain alleviating of weight, to have used recently aluminum latten.Especially, Al-Mg-Si latten can be suitable for body of a motor car.This be because these not yet to carry out aging heat treatment latten softer and have a for example flexible of higher formability than other material.In addition,, by heating this latten in the operation in baking vanish (bake-painting) operation or other then forming process, can increase the intensity of latten.
In order to improve baking hardenability, flexible and the surface quality of the Aluminium Alloy Plate that is processed into finished sheet, the problem existing is that manufacturing cost is high, because manufacturing the operation of slab by DC casting technique is essential, a large amount of following operations are as required also essential: peeling operation, the operation that homogenizes, hot-rolled process, cold rolling process, process annealing operation, finish to gauge operation and final annealing operation.
Summary of the invention
The object of this invention is to provide a kind of high-quality aluminum alloy thin panel material forms.
The present invention is achieved by the following technical solutions:
A kind of aluminum alloy plate materials that can be used for body of a motor car, its form include by weight percentage the magnesium of 0.45%-0.50%, the chromium of the silicon of 0.8%-0.95%, 0.08%-0.10%, the copper of the iron of 0.20%-0.30%, 0.20%-0.25%, the vanadium of the titanium of 0.03%-0.05% and 0.01%-0.02%, all the other be Al and inevitable impurity.
As further improvement, the described aluminum alloy plate materials that can be used for body of a motor car, it forms and to include by weight percentage 0.43% magnesium, 0.92% silicon, 0.09% chromium, 0.25% iron, 0.22% copper, 0.035% titanium and 0.015% vanadium, and all the other be Al and inevitable impurity.
Described aluminum alloy plate materials has the average crystal grain particle diameter of 10-25 μ m.
The invention has the beneficial effects as follows:
By technical scheme of the present invention, obtain that cost is low, quality is high, forming property is good and the aluminum alloy plate materials of corrosion resistance and good.
Embodiment
Describe by the following examples technical scheme of the present invention in detail, should be understood that, following embodiment is only exemplary, only can be used for explaining and technical scheme of the present invention being described, and can not to be interpreted as is the restriction to technical solution of the present invention.
A kind of aluminum alloy plate materials that can be used for body of a motor car, its form include by weight percentage the magnesium of 0.45%-0.50%, the chromium of the silicon of 0.8%-0.95%, 0.08%-0.10%, the copper of the iron of 0.20%-0.30%, 0.20%-0.25%, the vanadium of the titanium of 0.03%-0.05% and 0.01%-0.02%, all the other be Al and inevitable impurity.Described aluminum alloy plate materials has the average crystal grain particle diameter of 10-25 μ m.
Manufacture is according to the method for aluminum alloy plate materials of the present invention, it comprises following operation: use include by weight percentage the magnesium of 0.45%-0.50%, the chromium of the silicon of 0.8%-0.95%, 0.08%-0.10%, same, the titanium of 0.03-0.05% of the iron of 0.20%-0.30%, 0.20-0.25% and the vanadium of 0.01-0.02%, all the other for Al and inevitably impurity take the molten alloy that said components is bioelement, by continuous casting process, with liquid filling machine, prepare the slab that thickness is 5-15mm.
This slab is batched to rolling; The bar plate cold rolling obtaining is become to thin plate; The thin plate obtaining is carried out to solution heat treatment in the following manner, with the heating rate of 15 ℃/sec-35 ℃/sec by the temperature of this thin plate heating to 530 ℃-560 ℃, then maintain 10-30 minute at this temperature; To the thin plate obtaining carry out 4 ℃/sec of-15 ℃/sec of constant temperature be at the uniform velocity quenched to 180 ℃-220 ℃ after water be quenched to normal temperature; Roll the thin plate obtaining; The thin plate obtaining is maintained to the time of 8-10 hour at the temperature of 85 ℃-95 ℃; Then the thin plate obtaining is naturally cooled to normal temperature.
In following embodiment of the present invention, only difference to some extent on material forms, all the other conditions are identical, therefore in following embodiment, will only introduce the composition of each material.
Embodiment 1
A kind of aluminum alloy plate materials that can be used for body of a motor car, it forms and to include by weight percentage 0.45% magnesium, 0.8% silicon, 0.08% chromium, 0.20% iron, 0.20% copper, 0.03% titanium and 0.01% vanadium, and all the other be Al and inevitable impurity.
Embodiment 2
A kind of aluminum alloy plate materials that can be used for body of a motor car, it forms and to include by weight percentage 0.50% magnesium, 0.95% silicon, 0.10% chromium, 0.30% iron, 0.25% copper, 0.05% titanium and 0.02% vanadium, and all the other be Al and inevitable impurity.
Embodiment 3
A kind of aluminum alloy plate materials that can be used for body of a motor car, it forms and to include by weight percentage 0.43% magnesium, 0.90% silicon, 0.09% chromium, 0.25% iron, 0.21% copper, 0.04% titanium and 0.018% vanadium, and all the other be Al and inevitable impurity.
Embodiment 4
A kind of aluminum alloy plate materials that can be used for body of a motor car, it forms and to include by weight percentage 0.43% magnesium, 0.92% silicon, 0.09% chromium, 0.25% iron, 0.22% copper, 0.035% titanium and 0.015% vanadium, and all the other be Al and inevitable impurity.This embodiment is most preferred embodiment.
Claims (3)
1. an aluminum alloy plate materials that can be used for body of a motor car, it is characterized in that: its form include by weight percentage the magnesium of 0.45%-0.50%, the chromium of the silicon of 0.8%-0.95%, 0.08%-0.10%, same, the titanium of 0.03%-0.05% of the iron of 0.20%-0.30%, 0.20%-0.25% and the vanadium of 0.01%-0.02%, all the other be Al and inevitable impurity.
2. the aluminum alloy plate materials that can be used for body of a motor car according to claim 1, it is characterized in that: described in can be used for the aluminum alloy plate materials of body of a motor car, it forms and to include by weight percentage 0.43% magnesium, 0.92% silicon, 0.09% chromium, 0.25% iron, 0.22% copper, 0.035% titanium and 0.015% vanadium, and all the other be Al and inevitable impurity.
3. the aluminum alloy plate materials that can be used for body of a motor car according to claim 1 and 2, is characterized in that: described aluminum alloy plate materials has the average crystal grain particle diameter of 10-25 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310517443.3A CN103572109A (en) | 2013-10-28 | 2013-10-28 | Aluminium alloy sheet of automotive body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310517443.3A CN103572109A (en) | 2013-10-28 | 2013-10-28 | Aluminium alloy sheet of automotive body |
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| Publication Number | Publication Date |
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| CN103572109A true CN103572109A (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310517443.3A Pending CN103572109A (en) | 2013-10-28 | 2013-10-28 | Aluminium alloy sheet of automotive body |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572110A (en) * | 2013-10-28 | 2014-02-12 | 吴雅萍 | Aluminium alloy sheet of automotive body and preparation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101146922A (en) * | 2005-05-25 | 2008-03-19 | 日本轻金属株式会社 | Aluminum alloy thin plate and its making method |
| JP4237326B2 (en) * | 1999-03-18 | 2009-03-11 | 新日本製鐵株式会社 | Method for producing aluminum alloy sheet excellent in formability and corrosion resistance |
| CN101514436A (en) * | 2007-12-11 | 2009-08-26 | 古河Sky株式会社 | Aluminum alloy sheet for cold press forming, method of manufacturing the same, and cold press forming method for aluminum alloy sheet |
| CN103572110A (en) * | 2013-10-28 | 2014-02-12 | 吴雅萍 | Aluminium alloy sheet of automotive body and preparation method |
-
2013
- 2013-10-28 CN CN201310517443.3A patent/CN103572109A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4237326B2 (en) * | 1999-03-18 | 2009-03-11 | 新日本製鐵株式会社 | Method for producing aluminum alloy sheet excellent in formability and corrosion resistance |
| CN101146922A (en) * | 2005-05-25 | 2008-03-19 | 日本轻金属株式会社 | Aluminum alloy thin plate and its making method |
| CN101514436A (en) * | 2007-12-11 | 2009-08-26 | 古河Sky株式会社 | Aluminum alloy sheet for cold press forming, method of manufacturing the same, and cold press forming method for aluminum alloy sheet |
| CN103572110A (en) * | 2013-10-28 | 2014-02-12 | 吴雅萍 | Aluminium alloy sheet of automotive body and preparation method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572110A (en) * | 2013-10-28 | 2014-02-12 | 吴雅萍 | Aluminium alloy sheet of automotive body and preparation method |
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Application publication date: 20140212 |