CN111154998A - Aluminum alloy for track - Google Patents
Aluminum alloy for track Download PDFInfo
- Publication number
- CN111154998A CN111154998A CN201811317252.1A CN201811317252A CN111154998A CN 111154998 A CN111154998 A CN 111154998A CN 201811317252 A CN201811317252 A CN 201811317252A CN 111154998 A CN111154998 A CN 111154998A
- Authority
- CN
- China
- Prior art keywords
- aluminum alloy
- percent
- track
- weight
- percentage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/043—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
Abstract
The invention discloses an aluminum alloy for a track, which comprises the following components in percentage by weight: 0.6% -2% of Mg; 1.2% -6% of Si; 0.8% -3% of Cu; 0.05% -0.3% of Fe; 0.2% -0.65% of Mn; 0.05% -0.1% of Ti; 0.1% -0.3% of Zn; 0.2% -0.4% of Ni; the balance of Al and a small amount of impurities. The invention has reasonable formula, and the manufactured aluminum alloy has the characteristics of high strength and high toughness, and meanwhile, the aluminum alloy has light weight, good corrosion resistance, good heat conductivity, high drawing strength, good impact resistance and very high mechanical property, overcomes the defect of easy cracking and effectively prolongs the service life.
Description
Technical Field
The invention relates to the technical field of aluminum alloy, in particular to an aluminum alloy for a track.
Background
Aluminum is the second largest metal material with the second best yield than steel, and is known as universal metal due to good performance, wide application, large demand and low recovery cost. Statistics show that: in the prior 124 industries in China, 113 industries use aluminum products, and the association degree of the industries is up to 91 percent, so that the aluminum industry is one of important prop raw material industries for the sustainable development of national economy.
At present, aluminum alloy is an aluminum alloy material widely adopted by rail transit part manufacturers, while the aluminum alloy produced in China is difficult to meet the use requirements due to poor uniformity and compactness of an anodic oxidation film, and the aluminum alloy is mainly characterized in that after the parts are subjected to surface treatment, the oxidation film is poor in compactness and uniformity, and large-area corrosion occurs rapidly in the use process, so that the parts are scrapped. The import of the alloy needs a long period, and the development of the rail transit industry in China is severely restricted. Therefore, the development of aluminum alloys meeting the practical requirements is urgent.
Therefore, the present invention proposes a new solution to the above-mentioned problems.
Disclosure of Invention
The invention aims to provide the aluminum alloy for the track, which has light weight, strong corrosion resistance and long service life.
The invention is realized by the following technical scheme: an aluminum alloy for a track comprises the following components in percentage by weight: 0.6% -2% of Mg; 1.2% -6% of Si; 0.8% -3% of Cu; 0.05% -0.3% of Fe; 0.2% -0.65% of Mn; 0.05% -0.1% of Ti; 0.1% -0.3% of Zn; 0.2% -0.4% of Ni; the balance of Al and a small amount of impurities.
Further, the composition also comprises the following components in percentage by weight: sc is 0.03% -0.08%; 0.1% -0.3% of Cr; v is 0.03% -0.06%; b is 0.03% -0.05%.
Further, the aluminum alloy is formed by hot extrusion.
The invention has the beneficial effects that: the invention has reasonable formula, and the manufactured aluminum alloy has the characteristics of high strength and high toughness, and meanwhile, the aluminum alloy has light weight, good corrosion resistance, good heat conductivity, high drawing strength, good impact resistance and very high mechanical property, overcomes the defect of easy cracking and effectively prolongs the service life.
Detailed Description
The present invention will be further described with reference to the following examples.
Example 1
An aluminum alloy for a track comprises the following components in percentage by weight: 0.6 percent of Mg; 1.2 percent of Si; 0.8 percent of Cu; 0.05 percent of Fe; 0.2 percent of Mn; 0.05 percent of Ti; 0.1 percent of Zn; 0.2 percent of Ni; sc is 0.03 percent; 0.1 percent of Cr; v0.03%; and B is 0.03 percent.
The balance of Al and a small amount of impurities.
Example 2
An aluminum alloy for a track comprises the following components in percentage by weight: 1.2 percent of Mg; 3% of Si; 2% of Cu; 0.15 percent of Fe0; mn 3 percent; 0.07 percent of Ti; 0.2 percent of Zn; 0.3 percent of Ni; sc 0.05%; 0.2 percent of Cr; v0.04 percent; and B is 0.04 percent.
The balance of Al and a small amount of impurities.
Example 3
An aluminum alloy for a track comprises the following components in percentage by weight: mg 2 percent; 6% of Si; 3% of Cu; 0.3 percent of Fe; 0.65 percent of Mn; 0.1 percent of Ti; 0.3 percent of Zn; 0.4 percent of Ni; sc 0.08%; 0.3 percent of Cr; v0.06%; and B is 0.05 percent.
The balance of Al and a small amount of impurities.
The invention has reasonable formula, and the manufactured aluminum alloy has the characteristics of high strength and high toughness, and meanwhile, the aluminum alloy has light weight, good corrosion resistance, good heat conductivity, high drawing strength, good impact resistance and very high mechanical property, overcomes the defect of easy cracking and effectively prolongs the service life.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, but any modifications or equivalent variations made according to the technical spirit of the present invention are within the scope of the present invention as claimed.
Claims (3)
1. An aluminum alloy for a rail, characterized in that: comprises the following components in percentage by weight: 0.6% -2% of Mg; 1.2% -6% of Si; 0.8% -3% of Cu; 0.05% -0.3% of Fe; 0.2% -0.65% of Mn; 0.05% -0.1% of Ti; 0.1% -0.3% of Zn; 0.2% -0.4% of Ni; the balance of Al and a small amount of impurities.
2. The aluminum alloy for a rail according to claim 1, wherein: the paint also comprises the following components in percentage by weight: sc is 0.03% -0.08%; 0.1% -0.3% of Cr; v is 0.03% -0.06%; b is 0.03% -0.05%.
3. The aluminum alloy for a rail according to claim 1, wherein: the aluminum alloy is formed by hot extrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811317252.1A CN111154998A (en) | 2018-11-07 | 2018-11-07 | Aluminum alloy for track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811317252.1A CN111154998A (en) | 2018-11-07 | 2018-11-07 | Aluminum alloy for track |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111154998A true CN111154998A (en) | 2020-05-15 |
Family
ID=70555077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811317252.1A Pending CN111154998A (en) | 2018-11-07 | 2018-11-07 | Aluminum alloy for track |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111154998A (en) |
-
2018
- 2018-11-07 CN CN201811317252.1A patent/CN111154998A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200515 |
|
| WD01 | Invention patent application deemed withdrawn after publication |