CN102909347A - Composite aluminum alloy material - Google Patents
Composite aluminum alloy material Download PDFInfo
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- CN102909347A CN102909347A CN2012104337744A CN201210433774A CN102909347A CN 102909347 A CN102909347 A CN 102909347A CN 2012104337744 A CN2012104337744 A CN 2012104337744A CN 201210433774 A CN201210433774 A CN 201210433774A CN 102909347 A CN102909347 A CN 102909347A
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Abstract
The invention relates to a composite aluminum alloy material. Aluminum alloy liquid at the outer layer is firstly injected to a crystal container to cool at a constant speed, and then injected into the other types of aluminum alloy liquid after the temperature is reduced to 350-450 DEG C, and a dummy ingot device extracts the crystal container at the constant speed after the temperature is reduced to 200-300 DEG C at the constant speed.
Description
Technical field
The present invention relates to casting technology field, particularly relate to a kind of Al-alloy material.
Background technology
No matter the material of use material is how, the existing requirement that basically needs to consider environment for use, but Corrosion Protection must be the problem that should consider, this mainly is because can reduce consumption by Corrosion Protection, increases the life-span.
In field of aluminum alloys, according to the difference of performance, aluminium alloy is divided into rust-preventing aluminum alloy, duralumin, hard alumin ium alloy etc.Such as, the corrosion resistance and good of rust-preventing aluminum alloy and intensity is not high, duralumin, hard alumin ium alloy then intensity is higher but decay resistance not enough.Therefore, in actual use, in order to realize the corrosion resistant high strength that has simultaneously, generally adopt the mode of alclad alloy, can realize like this user's requirement.
Introduced a kind of improvement technical scheme in the Chinese patent 02115163.6, this technical scheme is that the aluminum alloy melt of different performance is injected in the same crystallizer continuously in the mode of separating the mouth of a river, and consecutive solidification strikes up partnership, and is drawn with constant speed by dummy device.Although this technical scheme can realize the aluminium alloy of different performance is adopted disposable casting and has different performances, but this technical scheme has a significantly deficiency, exactly when the aluminium alloy with two kinds of different performances is injected into same crystallizer, local mixing can occur in two kinds of liquid, and not corrosion resistance and inside has high-intensity aluminium alloy of uniform outside can not appear, its main cause is after mixing occurring, can sneak into inhomogeneous low-intensity corrosion resistant aluminum alloy liquid in high-intensity aluminum alloy melt part, cause internal stress inhomogeneous, fracture easily occurs, and enter the carrying out of the high-strength aluminum alloy liquid meeting accelerated corrosion on top layer.Such casting mode can not obviously improve two kinds of performances of aluminium alloy.
Summary of the invention
The objective of the invention is for the deficiencies in the prior art, propose a kind of Al-alloy material, can realize that when disposable casting Al-alloy has different performances simultaneously.
The present invention is achieved through the following technical solutions:
A kind of Al-alloy material, in discontinuous casting cycle, to be positioned at outer field aluminum alloy melt and at first be injected into crystallisation vessel, with temperature-reduction at constant speed, after drop in temperature 350-450 ℃, the aluminum alloy melt of other type of reinjecting continues to pull out crystallisation vessel by dummy device with constant speed with after temperature-reduction at constant speed 200-300 ℃.
For the first time the aluminium alloy of casting is rust-preventing aluminum alloy, and the aluminium alloy of rear casting is a kind of in high-strength aluminum alloy, high tough aluminium alloy, reflectal, the extra super duralumin alloy.
Described temperature-reduction at constant speed speed is 25-30 ℃/minute.
The beneficial effect that the present invention compares with prior art is:
1, the aluminum alloy materials of the present invention's shooting can have the performance of two class aluminium alloys concurrently, particularly has corrosion resistant other premium properties that improves simultaneously aluminium alloy.
2, the aluminum alloy materials that makes of the present invention can reduce processing cost.
The specific embodiment
The below describes embodiments of the invention in detail, and the embodiment that the following describes is exemplary, only is used for explaining the present invention, and can not be interpreted as limitation of the present invention.
A kind of Al-alloy material, in discontinuous casting cycle, for the first time the aluminium alloy of casting is rust-preventing aluminum alloy, the aluminium alloy of rear casting is a kind of in high-strength aluminum alloy, high tough aluminium alloy, reflectal, the extra super duralumin alloy.To be positioned at outer field aluminum alloy melt and at first be injected into crystallisation vessel, with temperature-reduction at constant speed, described temperature-reduction at constant speed speed is 25-30 ℃/minute.After drop in temperature 350-450 ℃, the aluminum alloy melt of other type of reinjecting continues to pull out crystallisation vessel by dummy device with constant speed with after temperature-reduction at constant speed 200-300 ℃.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is defined by the following claims.
Claims (3)
1. Al-alloy material, it is characterized in that: in discontinuous casting cycle, to be positioned at outer field aluminum alloy melt and at first be injected into crystallisation vessel, with temperature-reduction at constant speed, after drop in temperature 350-450 ℃, the aluminum alloy melt of other type of reinjecting continues to pull out crystallisation vessel by dummy device with constant speed with after temperature-reduction at constant speed 200-300 ℃.
2. Al-alloy material according to claim 1 is characterized in that: the aluminium alloy of casting is rust-preventing aluminum alloy for the first time, and the aluminium alloy of rear casting is a kind of in high-strength aluminum alloy, high tough aluminium alloy, reflectal, the extra super duralumin alloy.
3. Al-alloy material according to claim 1, it is characterized in that: described temperature-reduction at constant speed speed is 25-30 ℃/minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104337744A CN102909347A (en) | 2012-10-29 | 2012-10-29 | Composite aluminum alloy material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104337744A CN102909347A (en) | 2012-10-29 | 2012-10-29 | Composite aluminum alloy material |
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| Publication Number | Publication Date |
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| CN102909347A true CN102909347A (en) | 2013-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2012104337744A Pending CN102909347A (en) | 2012-10-29 | 2012-10-29 | Composite aluminum alloy material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414498A (en) * | 2015-11-03 | 2016-03-23 | 虞惠财 | Preparation method of composite aluminum alloy |
| CN106583671A (en) * | 2016-11-23 | 2017-04-26 | 薛亚红 | Composite aluminum alloy material |
| CN114178508A (en) * | 2021-12-13 | 2022-03-15 | 湖南工程学院 | Vacuum casting method of multilayer aluminum-based composite material |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08229664A (en) * | 1994-09-28 | 1996-09-10 | Ks Aluminium Technol Ag | Composite casting cylinder or cylinder block |
| CN2605946Y (en) * | 2002-04-28 | 2004-03-10 | 华南理工大学 | Composite high-strength corrosionproof aluminium alloy |
| CN101279521A (en) * | 2008-05-07 | 2008-10-08 | 华南理工大学 | Laminar compound aluminium alloy material with high intensity and preparation thereof |
| CN101745627A (en) * | 2008-12-18 | 2010-06-23 | 苏州有色金属研究院有限公司 | Multilayer heterogeneity aluminum alloy synchronous compound casting device |
| CN101745628A (en) * | 2008-12-18 | 2010-06-23 | 苏州有色金属研究院有限公司 | Synchronous composite casting method of multi-layer heterogeneous aluminum alloy |
-
2012
- 2012-10-29 CN CN2012104337744A patent/CN102909347A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08229664A (en) * | 1994-09-28 | 1996-09-10 | Ks Aluminium Technol Ag | Composite casting cylinder or cylinder block |
| CN2605946Y (en) * | 2002-04-28 | 2004-03-10 | 华南理工大学 | Composite high-strength corrosionproof aluminium alloy |
| CN101279521A (en) * | 2008-05-07 | 2008-10-08 | 华南理工大学 | Laminar compound aluminium alloy material with high intensity and preparation thereof |
| CN101745627A (en) * | 2008-12-18 | 2010-06-23 | 苏州有色金属研究院有限公司 | Multilayer heterogeneity aluminum alloy synchronous compound casting device |
| CN101745628A (en) * | 2008-12-18 | 2010-06-23 | 苏州有色金属研究院有限公司 | Synchronous composite casting method of multi-layer heterogeneous aluminum alloy |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414498A (en) * | 2015-11-03 | 2016-03-23 | 虞惠财 | Preparation method of composite aluminum alloy |
| CN106583671A (en) * | 2016-11-23 | 2017-04-26 | 薛亚红 | Composite aluminum alloy material |
| CN114178508A (en) * | 2021-12-13 | 2022-03-15 | 湖南工程学院 | Vacuum casting method of multilayer aluminum-based composite material |
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Application publication date: 20130206 |