CN115161518A - Anti-bending aluminum alloy section - Google Patents
Anti-bending aluminum alloy section Download PDFInfo
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- CN115161518A CN115161518A CN202210627594.3A CN202210627594A CN115161518A CN 115161518 A CN115161518 A CN 115161518A CN 202210627594 A CN202210627594 A CN 202210627594A CN 115161518 A CN115161518 A CN 115161518A
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/002—Extruding materials of special alloys so far as the composition of the alloy requires or permits special extruding methods of sequences
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- 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
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- 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
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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
- C22C21/003—Alloys based on aluminium containing at least 2.6% of one or more of the elements: tin, lead, antimony, bismuth, cadmium, and titanium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/02—Alloys containing less than 50% by weight of each constituent containing copper
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/06—Alloys containing less than 50% by weight of each constituent containing zinc
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Abstract
The invention belongs to the technical field of aluminum alloy sections, and particularly relates to an anti-bending aluminum alloy section. The invention provides an anti-bending aluminum alloy section, which comprises the following components in percentage by weight: 12.0 to 16.5 percent of Ni12.0 to 22.0 percent of Cr17.0 percent, 4.5 to 5.5 percent of Zns, 1.0 to 1.3 percent of Mgs, 2.2 to 3.0 percent of Tis, 0.1 to 0.2 percent of Cus, 0.1 to 0.2 percent of Mos, 0.05 to 0.1 percent of Cos, 1.8 to 2.2 percent of Nbs, 0.1 to 0.2 percent of Fe, 0.02 to 0.05 percent of Zrs and 0.02 to 0.05 percent of Y. The bending-resistant aluminum alloy section provided by the invention has high structural strength and excellent bending resistance, and the material has the advantages of corrosion resistance and light weight of the conventional aluminum alloy, and also has excellent mechanical properties, so that the bending-resistant aluminum alloy section can be widely applied to various industries such as aviation, aerospace, automobiles, machinery and the like.
Description
Technical Field
The invention belongs to the technical field of aluminum alloy sections, and particularly relates to an anti-bending aluminum alloy section.
Background
The aluminum alloy section has a plurality of unique advantages in the aspects of materials and structures, and along with the rapid development of modern industry in recent years, the aluminum alloy section is more and more widely applied to the industries of aviation, aerospace, automobiles, ships, buildings, chemical engineering and the like. The aluminum alloy has better corrosion resistance compared with steel, the aluminum alloy has better corrosion resistance, especially in high-temperature and high-humidity environment, the surface corrosion resistance of the structure becomes an important factor influencing the service life of the greenhouse, the corrosion resistance of the steel structure is poor, the surface corrosion resistance treatment needs to be carried out periodically, and the aluminum alloy section has stronger corrosion resistance due to the characteristics of the aluminum alloy section and does not need post treatment. The aluminum alloy material has light weight, and the advantage is a decisive factor for material selection in the fields of aviation, aerospace, automobiles and the like which are sensitive to weight. The aluminum alloy material has good processing performance and is easy to be made into various sectional materials. The aluminum alloy has excellent thermoplasticity, can be extruded into various profiles such as thin walls, hollows and the like, and provides basic conditions for optimizing structural design and manufacturing various structural members with rigid bending resistance.
Aluminum alloy profiles are a widely used class of structural materials that have a fundamental importance in the modern industry. The search for a novel aluminum alloy profile material which is higher in strength, lighter in weight and easy to process and manufacture is one of the important directions of basic application research, and has very important and profound influence on promoting the progress of modern industry.
Disclosure of Invention
The invention provides an anti-bending aluminum alloy section, aiming at obtaining an ultrahigh-strength aluminum alloy section which is easy to be practically applied by comprehensively improving the components, the treatment method, the structural design and the like of the aluminum alloy section.
In order to achieve the purpose, the technical scheme of the invention comprises three aspects of components, structure and process control.
Firstly, in terms of components, the components of the bending-resistant aluminum alloy section comprise the following components in percentage by weight:
the balance of Al and other inevitable impurities, the total amount of the other inevitable impurities is less than or equal to 0.15 percent, and any single impurity is less than or equal to 0.03 percent.
Further, more preferable components of the bending-resistant aluminum alloy section are as follows: the weight percentages are as follows:
the balance of Al and other inevitable impurities, the total amount of the other inevitable impurities is less than or equal to 0.10 percent, and any single impurity is less than or equal to 0.03 percent.
Secondly, the bending resistance of the aluminum alloy section can be further improved through the structural design. Specifically, the section of the aluminum alloy section is rectangular on the whole, and a plurality of T-shaped notches are arranged on the periphery of the section.
Furthermore, a first T-shaped notch is formed in one side of the long side of the section, two second T-shaped notches are formed in the side, opposite to the first T-shaped notch, of the section, and one second T-shaped notch is formed in each short side of the section; the cross section of the second T-shaped notch is smaller than that of the first T-shaped notch.
Thirdly, in the aspect of process control, firstly melting raw materials according to weight components and then refining the raw materials to a specified component range; then casting and molding to obtain an aluminum alloy bar; and finally, extruding the aluminum alloy bar from a forming die to obtain the anti-bending aluminum alloy section.
During refining, the furnace temperature is always controlled within the range of 725-735 ℃.
During casting molding, the temperature of the molten aluminum is controlled within the range of 725-735 ℃, and the casting speed is controlled within the range of 60-70 mm/min.
During extrusion molding, the temperature of the aluminum alloy bar is controlled within 490-500 ℃, and the temperature of the die orifice of the extrusion die is controlled within 480-490 ℃.
Has the advantages that: compared with the prior art, the anti-bending aluminum alloy section provided by the invention has the advantages of high structural strength and excellent anti-bending performance, and the material has the advantages of corrosion resistance and light weight of the conventional aluminum alloy and also has excellent mechanical properties. Therefore, the aluminum alloy section has ultrahigh strength on the whole, has excellent comprehensive performance, and is widely applied to various fields of aviation, aerospace, automobiles, machinery and the like.
Drawings
FIG. 1 is a schematic cross-sectional view of an aluminum alloy profile of the present invention.
Detailed Description
The invention is further illustrated by the following specific examples, which are illustrative and intended to illustrate the problem and explain the invention, but not limiting.
Example 1
The bending-resistant aluminum alloy profile comprises the following components in percentage by weight:
the balance of Al and other inevitable impurities, the total amount of the other inevitable impurities is less than or equal to 0.15 percent, and any single impurity is less than or equal to 0.03 percent.
The section of the bending-resistant aluminum alloy section bar of the embodiment is as shown in fig. 1, the section of the section bar is rectangular as a whole, and a plurality of T-shaped notches are arranged on the peripheral side of the section bar. Specifically, a first T-shaped notch is formed in one side of a long side of the section, two second T-shaped notches are formed in the side, opposite to the first T-shaped notch, of the section, and one second T-shaped notch is formed in each short side of the section; the cross-sectional size of the second T-shaped notch is smaller than that of the first T-shaped notch.
The bending-resistant aluminum alloy profile of the embodiment is prepared by the following method: firstly, melting raw materials according to weight components and then refining the raw materials to specified components; then casting and molding to obtain an aluminum alloy bar; and finally, extruding an aluminum alloy bar from a forming die, wherein the section of a die orifice of the extruding die is consistent with that shown in the figure 1, and preparing the bending-resistant aluminum alloy section through a foundation.
During refining, the furnace temperature is controlled in the range of 725-735 ℃ all the time.
During casting molding, the temperature of the molten aluminum is controlled within the range of 725-735 ℃, and the casting speed is controlled within the range of 60-70 mm/min.
During extrusion molding, the temperature of the aluminum alloy bar is controlled within 490-500 ℃, and the temperature of the die orifice of the extrusion die is controlled within 480-490 ℃.
Example 2
The bending-resistant aluminum alloy section comprises the following components in percentage by weight:
the balance of Al and other inevitable impurities, the total amount of the other inevitable impurities is less than or equal to 0.15 percent, and any single impurity is less than or equal to 0.03 percent.
The section of the bending-resistant aluminum alloy section bar of the embodiment is as shown in fig. 1, the section of the section bar is rectangular as a whole, and a plurality of T-shaped notches are arranged on the peripheral side of the section bar. Specifically, a first T-shaped notch is formed in one side of a long side of the section, two second T-shaped notches are formed in the side, opposite to the first T-shaped notch, of the section, and one second T-shaped notch is formed in each short side of the section; the cross-sectional size of the second T-shaped notch is smaller than that of the first T-shaped notch.
The bending-resistant aluminum alloy profile of the embodiment is prepared by the following method: firstly, melting raw materials according to weight components and then refining the raw materials to specified components; then casting and molding to obtain an aluminum alloy bar; and finally, extruding the aluminum alloy bar from a forming die, wherein the section of a die orifice of the extruding die is consistent with that shown in the figure 1, and preparing the bending-resistant aluminum alloy section through a foundation.
During refining, the furnace temperature is always controlled within the range of 725-735 ℃.
During casting molding, the temperature of the molten aluminum is controlled within the range of 725-735 ℃, and the casting speed is controlled within the range of 60-70 mm/min.
During extrusion molding, the temperature of the aluminum alloy bar is controlled within 490-500 ℃, and the temperature of the die orifice of the extrusion die is controlled within 480-490 ℃.
Example 3
The bending-resistant aluminum alloy profile comprises the following components in percentage by weight:
the balance of Al and other inevitable impurities, the total amount of the other inevitable impurities is less than or equal to 0.10 percent, and any single impurity is less than or equal to 0.03 percent.
The section of the bending-resistant aluminum alloy section bar of the embodiment is as shown in fig. 1, the section of the section bar is rectangular as a whole, and a plurality of T-shaped notches are arranged on the peripheral side of the section bar. Specifically, a first T-shaped notch is formed in one side of a long side of the section, two second T-shaped notches are formed in the side, opposite to the first T-shaped notch, of the section, and one second T-shaped notch is formed in each short side of the section; the cross section of the second T-shaped notch is smaller than that of the first T-shaped notch.
The bending-resistant aluminum alloy profile of the embodiment is prepared by the following method: firstly, melting raw materials according to weight components and then refining the raw materials to specified components; then casting and molding to obtain an aluminum alloy bar; and finally, extruding an aluminum alloy bar from a forming die, wherein the section of a die orifice of the extruding die is consistent with that shown in the figure 1, and preparing the bending-resistant aluminum alloy section through a foundation.
During refining, the furnace temperature is controlled in the range of 725-735 ℃ all the time.
During casting molding, the temperature of the molten aluminum is controlled within the range of 725-735 ℃, and the casting speed is controlled within the range of 60-70 mm/min.
During extrusion molding, the temperature of the aluminum alloy bar is controlled within 490-500 ℃, and the temperature of the die orifice of the extrusion die is controlled within 480-490 ℃.
Example 4
The bending-resistant aluminum alloy profile comprises the following components in percentage by weight:
the balance of Al and other inevitable impurities, the total amount of the other inevitable impurities is less than or equal to 0.10 percent, and any single impurity is less than or equal to 0.03 percent.
The section of the bending-resistant aluminum alloy section bar of the embodiment is as shown in fig. 1, the section of the section bar is rectangular as a whole, and a plurality of T-shaped notches are arranged on the peripheral side of the section bar. Specifically, a first T-shaped notch is formed in one side of a long side of the section, two second T-shaped notches are formed in one side opposite to the first T-shaped notch, and one second T-shaped notch is formed in each short side of the section; the cross-sectional size of the second T-shaped notch is smaller than that of the first T-shaped notch.
The bending-resistant aluminum alloy profile of the embodiment is prepared by the following method: firstly, melting raw materials according to weight components and then refining the raw materials to specified components; then casting and molding to obtain an aluminum alloy bar; and finally, extruding an aluminum alloy bar from a forming die, wherein the section of a die orifice of the extruding die is consistent with that shown in the figure 1, and preparing the bending-resistant aluminum alloy section through a foundation.
During refining, the furnace temperature is controlled in the range of 725-735 ℃ all the time.
During casting molding, the temperature of the molten aluminum is controlled within the range of 725-735 ℃, and the casting speed is controlled within the range of 60-70 mm/min.
During extrusion molding, the temperature of the aluminum alloy bar is controlled within 490-500 ℃, and the temperature of the die orifice of the extrusion die is controlled within 480-490 ℃.
Example 5
The bending-resistant aluminum alloy profile comprises the following components in percentage by weight:
the balance of Al and other inevitable impurities, the total amount of the other inevitable impurities is less than or equal to 0.10 percent, and any single impurity is less than or equal to 0.03 percent.
The section of the bending-resistant aluminum alloy section bar of the embodiment is as shown in fig. 1, the section of the section bar is rectangular as a whole, and a plurality of T-shaped notches are arranged on the peripheral side of the section bar. Specifically, a first T-shaped notch is formed in one side of a long side of the section, two second T-shaped notches are formed in the side, opposite to the first T-shaped notch, of the section, and one second T-shaped notch is formed in each short side of the section; the cross-sectional size of the second T-shaped notch is smaller than that of the first T-shaped notch.
The bending-resistant aluminum alloy section of the embodiment is prepared according to the following method: firstly, melting raw materials according to weight components and then refining the raw materials to specified components; then casting and molding to obtain an aluminum alloy bar; and finally, extruding an aluminum alloy bar from a forming die, wherein the section of a die orifice of the extruding die is consistent with that shown in the figure 1, and preparing the bending-resistant aluminum alloy section through a foundation.
During refining, the furnace temperature is controlled in the range of 725-735 ℃ all the time.
During casting molding, the temperature of the molten aluminum is controlled within the range of 725-735 ℃, and the casting speed is controlled within the range of 60-70 mm/min.
During extrusion molding, the temperature of the aluminum alloy bar is controlled within 490-500 ℃, and the temperature of the die orifice of the extrusion die is controlled within 480-490 ℃.
Performance testing
The aluminum alloy sections prepared in the above embodiments were subjected to performance testing according to the national standard GB/T16865-2013 sample and method for tensile test of wrought aluminum, magnesium and alloy products thereof. Specifically, the aluminum alloy shapes produced in the respective examples were cut into standard tensile test pieces, 5 pieces of the samples were taken at different positions in each example, a tensile test was performed at a tensile rate of 2mm/min using a tensile tester, the tensile strength, yield strength and elongation after fracture of the shapes of the respective examples were measured, and the average values of the 5 pieces of the samples were calculated, with the results shown in table 1. The results show that the aluminum alloy material prepared by the embodiment has excellent comprehensive performance.
TABLE 1
The above embodiments are exemplary only, and are intended to illustrate the technical concept and features of the present invention so that those skilled in the art can understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (8)
1. The utility model provides an anti aluminum alloy ex-trusions of buckling which characterized in that: the profile comprises the following components in percentage by weight:
Ni 12.0-16.5%
Cr 17.0-22.0%
Zn 4.5-5.5%
Mg 1.0-1.3%
Ti 2.2-3.0%
Cu 0.1-0.2%
Mo 0.1-0.2%
Co 0.05-0.1%
Nb 1.8-2.2%
Fe 0.1-0.2%
Zr 0.02-0.05%
Y 0.02-0.05%
the balance of Al and other inevitable impurities, the total amount of the other inevitable impurities is less than or equal to 0.15 percent, and any single impurity is less than or equal to 0.03 percent.
2. The bend-resistant aluminum alloy profile of claim 1, wherein: the sectional material comprises the following components in percentage by weight:
Ni 13.2-13.5%
Cr 19.5-20.0%
Zn 4.6-4.9%
Mg 1.2-1.3%
Ti 2.5-2.8%
Cu 0.1-0.2%
Mo 0.1-0.2%
Co 0.05-0.1%
Nb 1.8-2.2%
Fe 0.1-0.2%
Zr 0.02-0.05%
Y 0.02-0.05%
the balance of Al and other inevitable impurities, the total amount of the other inevitable impurities is less than or equal to 0.10 percent, and any single impurity is less than or equal to 0.03 percent.
3. Bend-resistant aluminium alloy profile according to claim 1 or 2, characterized in that: the section of the section bar is rectangular on the whole, and a plurality of T-shaped notches are arranged on the peripheral side of the section bar.
4. The bend-resistant aluminum alloy profile of claim 3, wherein: a first T-shaped notch is formed in one side of the long side of the section, two second T-shaped notches are formed in the side, opposite to the first T-shaped notch, of the section, and one second T-shaped notch is formed in each short side of the section; the cross section of the second T-shaped notch is smaller than that of the first T-shaped notch.
5. The bend-resistant aluminum alloy section bar of claim 3, wherein: the profile is prepared according to the following method: firstly, melting raw materials according to weight components, and refining the raw materials to a specified component range; then casting and molding to obtain an aluminum alloy bar; and finally, extruding the aluminum alloy bar from a forming die to obtain the anti-bending aluminum alloy section.
6. The bend-resistant aluminum alloy profile of claim 5, wherein: during refining, the furnace temperature is controlled in the range of 725-735 ℃ all the time.
7. The bend-resistant aluminum alloy profile of claim 5, wherein: during casting molding, the temperature of the molten aluminum is controlled within the range of 725-735 ℃, and the casting speed is controlled within the range of 60-70 mm/min.
8. The bend-resistant aluminum alloy profile of claim 5, wherein: during extrusion molding, the temperature of the aluminum alloy bar is controlled within 490-500 ℃, and the temperature of the die orifice of the extrusion die is controlled within 480-490 ℃.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104674087A (en) * | 2015-03-20 | 2015-06-03 | 苏州科胜仓储物流设备有限公司 | High-strength anticorrosion aluminum-alloy material and production process thereof |
| CN104789821A (en) * | 2015-03-23 | 2015-07-22 | 苏州市神龙门窗有限公司 | Chromium-containing antirust alloy material and treatment process thereof |
| CN107190182A (en) * | 2017-06-14 | 2017-09-22 | 合肥博创机械制造有限公司 | A kind of aluminum alloy wire and preparation method thereof |
| CN107760940A (en) * | 2017-09-05 | 2018-03-06 | 江苏兴甬铝业科技有限公司 | A kind of preparation technology of aircraft rods and bars of aluminium alloy |
| CN107815565A (en) * | 2016-12-31 | 2018-03-20 | 青岛翰兴知识产权运营管理有限公司 | A kind of preparation method of aluminium alloy door's window profile |
| CN211282493U (en) * | 2019-11-11 | 2020-08-18 | 江苏六维智能物流装备股份有限公司 | Novel section bar for chain conveying rack |
-
2022
- 2022-06-06 CN CN202210627594.3A patent/CN115161518B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104674087A (en) * | 2015-03-20 | 2015-06-03 | 苏州科胜仓储物流设备有限公司 | High-strength anticorrosion aluminum-alloy material and production process thereof |
| CN104789821A (en) * | 2015-03-23 | 2015-07-22 | 苏州市神龙门窗有限公司 | Chromium-containing antirust alloy material and treatment process thereof |
| CN107815565A (en) * | 2016-12-31 | 2018-03-20 | 青岛翰兴知识产权运营管理有限公司 | A kind of preparation method of aluminium alloy door's window profile |
| CN107190182A (en) * | 2017-06-14 | 2017-09-22 | 合肥博创机械制造有限公司 | A kind of aluminum alloy wire and preparation method thereof |
| CN107760940A (en) * | 2017-09-05 | 2018-03-06 | 江苏兴甬铝业科技有限公司 | A kind of preparation technology of aircraft rods and bars of aluminium alloy |
| CN211282493U (en) * | 2019-11-11 | 2020-08-18 | 江苏六维智能物流装备股份有限公司 | Novel section bar for chain conveying rack |
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