CN115572864B - Special alloy aluminum profile for threshold beam 6082TS and processing technology thereof - Google Patents
Special alloy aluminum profile for threshold beam 6082TS and processing technology thereof Download PDFInfo
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- CN115572864B CN115572864B CN202211065034.XA CN202211065034A CN115572864B CN 115572864 B CN115572864 B CN 115572864B CN 202211065034 A CN202211065034 A CN 202211065034A CN 115572864 B CN115572864 B CN 115572864B
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- 239000000956 alloy Substances 0.000 title claims abstract description 24
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 23
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 23
- 238000012545 processing Methods 0.000 title description 11
- 238000005516 engineering process Methods 0.000 title description 8
- 238000010791 quenching Methods 0.000 claims abstract description 14
- 230000000171 quenching effect Effects 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000003595 mist Substances 0.000 claims abstract description 10
- 239000004615 ingredient Substances 0.000 claims abstract description 3
- 238000001125 extrusion Methods 0.000 claims description 20
- 238000007689 inspection Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- 230000032683 aging Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 238000009432 framing Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 claims description 4
- 238000010183 spectrum analysis Methods 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 6
- 238000011056 performance test Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
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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
-
- 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
-
- 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
- C22F1/02—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working in inert or controlled atmosphere or vacuum
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Body Structure For Vehicles (AREA)
- Extrusion Of Metal (AREA)
Abstract
The invention discloses an automobile threshold beam 6082TS special alloy aluminum profile which comprises the following ingredients in parts by weight: si:0.8-1.2%; fe:0.1-0.2%; cu:0.1-0.3%; mn:0.5-0.6%; mg:0.8-0.95%; zn is less than or equal to 0.1 percent; cr is less than or equal to 0.1 percent; ti is less than or equal to 0.1 percent; the balance being Al. The invention adopts the alloy formula, adopts a quenching mode to form strong wind and strengthen large water mist up and down, and combines the preparation process of the invention, so that the mechanical properties can be optimized, and the production requirements can be met.
Description
Technical Field
The invention relates to the technical field of automobile threshold beams, in particular to an automobile threshold beam 6082TS special alloy aluminum profile and a processing technology thereof.
Background
With the development of the automobile manufacturing industry in China, the automobile body part aims at pursuing high strength and high precision, and meanwhile, a plurality of thin-wall profiles with complex shapes and multiple cavities exist, so that the requirements on strength and size are high. In an automobile body structure, the energy absorption characteristic of a threshold beam in the side collision process of an automobile has an important relation with the safety of the automobile body, and has an important influence on the structural strength and rigidity of the whole automobile.
The aluminum alloy materials used for producing the threshold beams at present have higher requirements on tensile strength, bending strength and elongation percentage, but the existing alloys cannot meet the requirements, so that aiming at the problems, a special alloy of the automobile threshold beam 6082TS and an automobile threshold beam processing technology are needed.
Disclosure of Invention
In view of the above, the invention discloses a special alloy aluminum profile of a car threshold beam 6082TS and a processing technology thereof, which can effectively solve the problems existing in the prior art.
In order to achieve the purpose, the technical scheme of the invention is to provide the special alloy aluminum profile of the automobile threshold beam 6082TS, which comprises the following ingredients in parts by weight: si:0.8-1.2%; fe:0.1-0.2%; cu:0.1-0.3%; mn:0.5-0.6%; mg:0.8-0.95%; zn is less than or equal to 0.1 percent; cr is less than or equal to 0.1 percent; ti is less than or equal to 0.1 percent; the balance being Al.
Further, si:0.95-1.0%; fe:0.12-0.18%; cu:0.2-0.24%; mn:0.52-0.57%; mg:0.85-0.9%; zn is less than or equal to 0.05%; cr is less than or equal to 0.05%; ti is less than or equal to 0.05%; the balance being Al.
Further, the Fe content is 0.15%.
Further, si:0.97%; fe:0.15%; cu:0.22%; mn:0.54%; mg:0.87%; zn:0.035%; cr:0.035%; ti:0.035%; the balance of Al
A processing technology of a special alloy aluminum profile of an automobile threshold beam 6082TS comprises the following processing steps in sequence: casting aluminum bars according to alloy components, spectral analysis and inspection, extrusion molding, on-line quenching, stretching and straightening, sawing and framing, artificial aging, mechanical property inspection, finish sawing, finished product inspection and packaging and warehousing.
Further, in the extrusion molding process, the temperature of an extrusion cylinder is 410-430 ℃, the temperature of a die is 480-500 ℃, and the heating time of the die is 4-8 hours; the temperature of the aluminum bar is 485-490 ℃, the extrusion feeding speed is 2.0mm/s, the extrusion discharging speed is 2.2-2.3mm/s, and the outlet temperature is 530-550 ℃.
Furthermore, the online quenching mode is strong wind and up-down reinforced large water mist.
Further, the stretching ratio is 0.5% -0.6%.
Further, the diameter of the aluminum bar is 278mm.
The invention has the advantages and beneficial effects that: the invention adopts the alloy formula, adopts a quenching mode to form strong wind and strengthen large water mist up and down, and combines the preparation process of the invention, so that the mechanical properties can be optimized, and the production requirements can be met.
Detailed Description
The following describes the invention in further detail with reference to examples. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
Preparation of automobile threshold beam
Examples:
a processing technology of a special alloy aluminum profile of an automobile threshold beam 6082TS comprises the following processing steps in sequence: according to the embodiment, the alloy component is cast into an aluminum rod, spectral analysis inspection, extrusion molding, on-line quenching, stretching and straightening, sawing and framing, artificial aging, mechanical property inspection, fine sawing, finished product inspection and packaging and warehousing.
Wherein, in the extrusion molding process of example 1-example 13, the temperature of the extrusion cylinder is 420 ℃, the temperature of the die is 490 ℃, and the heating time of the die is 6 hours; the temperature of the aluminum bar is 485 ℃, the extrusion feeding speed is 2.0mm/s, the extrusion discharging speed is 2.2mm/s, the outlet temperature is 540 ℃, the stretching rate is 0.5%, and the diameter of the aluminum bar is 278mm.
The alloy composition is as follows, wherein the weight units of the components are percent.
In examples 1 to 13, the on-line quenching mode is strong wind and up-down strong water mist.
| Si | Fe | Cu | Mn | Mg | Zn | Cr | Ti | Al | |
| Example 1 | 0.8 | 0.2 | 0.1 | 0.6 | 0.8 | 0.1 | 0.1 | 0.1 | Allowance of |
| Example 2 | 1.2 | 0.1 | 0.3 | 0.5 | 0.95 | 0.1 | 0.1 | 0.1 | Allowance of |
| Example 3 | 0.95 | 0.18 | 0.2 | 0.57 | 0.85 | 0.1 | 0.1 | 0.1 | Allowance of |
| Example 4 | 0.95 | 0.18 | 0.2 | 0.57 | 0.85 | 0.05 | 0.05 | 0.05 | Allowance of |
| Example 5 | 0.95 | 0.15 | 0.2 | 0.57 | 0.85 | 0.05 | 0.05 | 0.05 | Allowance of |
| Example 6 | 1.0 | 0.12 | 0.24 | 0.52 | 0.9 | 0.1 | 0.1 | 0.1 | Allowance of |
| Example 7 | 1.0 | 0.12 | 0.24 | 0.52 | 0.9 | 0.05 | 0.05 | 0.05 | Allowance of |
| Example 8 | 1.0 | 0.15 | 0.24 | 0.52 | 0.9 | 0.05 | 0.05 | 0.05 | Allowance of |
| Example 9 | 0.97 | 0.15 | 0.22 | 0.54 | 0.87 | 0.1 | 0.1 | 0.1 | Allowance of |
| Example 10 | 0.97 | 0.15 | 0.22 | 0.54 | 0.87 | 0.08 | 0.08 | 0.08 | Allowance of |
| Example 11 | 0.97 | 0.15 | 0.22 | 0.54 | 0.87 | 0.05 | 0.05 | 0.05 | Allowance of |
| Example 12 | 0.97 | 0.15 | 0.22 | 0.54 | 0.87 | 0.035 | 0035 | 0.035 | Allowance of |
| Example 13 | 0.97 | 0.15 | 0.22 | 0.54 | 0.87 | 0.01 | 0.01 | 0.01 | Allowance of |
Control group:
a processing technology of a special alloy aluminum profile of an automobile threshold beam 6082TS comprises the following processing steps in sequence: according to the embodiment, the alloy component is cast into an aluminum rod, spectral analysis inspection, extrusion molding, on-line quenching, stretching and straightening, sawing and framing, artificial aging, mechanical property inspection, fine sawing, finished product inspection and packaging and warehousing.
Wherein, in the extrusion forming process, the temperature of the extrusion cylinder is 420 ℃, the temperature of the die is 490 ℃ and the heating time of the die is 6 hours; the temperature of the aluminum bar is 485 ℃, the extrusion feeding speed is 2.0mm/s, the extrusion discharging speed is 2.2mm/s, the outlet temperature is 540 ℃, the stretching rate is 0.5%, and the diameter of the aluminum bar is 278mm.
The alloy components described in example 12 were used in the control groups 1-3 to prepare aluminum alloys, which were quenched as follows:
| quenching mode | |
| Control group 1 | Strong wind |
| Control group 2 | Water and its preparation method |
| Control group 3 | Up-down reinforced large water mist |
| Example 12 | Strong wind + up-down reinforced large water mist |
(II) Performance test
1. Example Performance test results
The alloy formula described in the embodiment 12 is adopted, and meanwhile, the quenching mode is strong wind and up-down reinforced large water mist, and the mechanical properties of the alloy can be optimized by combining the preparation process disclosed by the application, so that the production requirements can be met.
2. To verify the performance of the control group 1-control group 3 aluminum alloys for the aluminum alloys in the different quench regimes, the results are given in the following table:
as can be seen from the above performance test data of the aluminum alloys of example 12 and comparative examples 1 to 3, the quenching method using strong wind and up-and-down strong water mist has the best effect, and it can be seen that the quenching method using strong wind and up-and-down strong water mist is beneficial to improving the mechanical properties of the aluminum alloy.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (2)
1. The special alloy aluminum profile of the automobile threshold beam 6082TS is characterized by comprising the following ingredients in percentage by weight: si:0.97%; fe:0.15%; cu:0.22%; mn:0.54%; mg:0.87%; zn:0.035%; cr:0.035%; ti:0.035%; the balance of Al;
the method comprises the following steps of: casting an aluminum rod according to alloy components, performing spectral analysis and inspection, performing extrusion molding, performing online quenching, stretching and straightening, sawing and framing, performing artificial aging, performing mechanical property inspection, performing fine sawing, performing finished product inspection and packaging, and warehousing;
in the extrusion molding process, the temperature of an extrusion cylinder is 420 ℃, the temperature of a die is 490 ℃, and the heating time of the die is 6 hours; the temperature of the aluminum bar is 485 ℃, the extrusion feeding speed is 2.0mm/s, the extrusion discharging speed is 2.2mm/s, the outlet temperature is 540 ℃, and the stretching rate is 0.5%;
the on-line quenching mode is strong wind and up-down reinforced large water mist.
2. The special alloy aluminum profile for the automobile threshold beam 6082TS according to claim 1, wherein the aluminum rod diameter is 278mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211065034.XA CN115572864B (en) | 2022-09-01 | 2022-09-01 | Special alloy aluminum profile for threshold beam 6082TS and processing technology thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211065034.XA CN115572864B (en) | 2022-09-01 | 2022-09-01 | Special alloy aluminum profile for threshold beam 6082TS and processing technology thereof |
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| CN115572864A CN115572864A (en) | 2023-01-06 |
| CN115572864B true CN115572864B (en) | 2023-12-26 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2807448A1 (en) * | 2000-09-19 | 2001-10-12 | Pechiney Rhenalu | Aircraft fuselage structural elements production from a tempered rolled, spun or forged aluminum-silicon-magnesium alloy |
| CN104073689A (en) * | 2013-03-29 | 2014-10-01 | 株式会社神户制钢所 | Aluminum alloy forged material for automobile and method for manufacturing the same |
| CN112375945A (en) * | 2020-10-23 | 2021-02-19 | 江阴中奕达轻合金科技有限公司 | 6061 alloy aluminum profile for extruding new energy automobile battery tray and processing technology thereof |
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2022
- 2022-09-01 CN CN202211065034.XA patent/CN115572864B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2807448A1 (en) * | 2000-09-19 | 2001-10-12 | Pechiney Rhenalu | Aircraft fuselage structural elements production from a tempered rolled, spun or forged aluminum-silicon-magnesium alloy |
| CN104073689A (en) * | 2013-03-29 | 2014-10-01 | 株式会社神户制钢所 | Aluminum alloy forged material for automobile and method for manufacturing the same |
| CN112375945A (en) * | 2020-10-23 | 2021-02-19 | 江阴中奕达轻合金科技有限公司 | 6061 alloy aluminum profile for extruding new energy automobile battery tray and processing technology thereof |
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| CN115572864A (en) | 2023-01-06 |
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