CN111455237A - High-strength aluminum alloy conductor for automobile cable - Google Patents
High-strength aluminum alloy conductor for automobile cable Download PDFInfo
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- CN111455237A CN111455237A CN202010270750.6A CN202010270750A CN111455237A CN 111455237 A CN111455237 A CN 111455237A CN 202010270750 A CN202010270750 A CN 202010270750A CN 111455237 A CN111455237 A CN 111455237A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C21/00—Alloys based on aluminium
- C22C21/06—Alloys based on aluminium with magnesium as the next major constituent
- C22C21/08—Alloys based on aluminium with magnesium as the next major constituent with silicon
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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
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
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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
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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
- C22F1/05—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 of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
- H01B1/023—Alloys based on aluminium
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/02—Stranding-up
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Abstract
The invention relates to a high-strength aluminum alloy conductor for an automobile cable, which comprises the following components in percentage by mass: 0.35 to 0.65 percent of Si, 0.1 to 0.5 percent of Fe, less than 0.1 percent of Cu, 0.4 to 0.7 percent of Mg, B: 0.01 to 0.03 percent of the total content of the impurities, 0.02 to 0.03 percent of Re, less than 0.03 percent of single impurities, less than 0.1 percent of the total content of the impurities and the balance of aluminum. According to the technical scheme, the tensile strength of the aluminum alloy cable conductor for the automobile is improved, the conductivity of pure aluminum is good, but the strength is low. The aluminum alloy has high strength but poor conductivity, and the invention has both conductivity and strength. The technical scheme expands the application range of the aluminum alloy cable on the automobile, and the control line, the signal line, the high-voltage line and the like can be applied; the scheme solves the possibility of replacing copper with aluminum, and reduces the manufacturing cost of the automobile cable.
Description
Technical Field
The invention relates to an aluminum alloy conductor, in particular to a high-strength aluminum alloy conductor for an automobile cable, and belongs to the technical field of conductors for automobile cables and manufacturing methods thereof.
Background
The rapid development of Chinese economy and the improvement of the living standard of people promote the development of the automobile industry in China. Along with the increasingly fierce competition of the automobile industry, one of the automobile development directions is light and will be more and more emphasized by automobile manufacturers, steel is replaced by aluminum, copper is replaced by aluminum, the trend of the inevitable development of light and automobile is formed, and the application of aluminum to automobile manufacturing parts such as automobile structural parts, automobile cables, automobile hubs and the like is started in the early 90 s of the last century in Japan. Most of the automobiles in the market currently adopt copper wires as conductors, and the adoption of a novel aluminum conductor to replace copper has become a necessary direction from the development, and the following defects exist in the process of replacing copper wires with aluminum alloy wires at present: the conductivity of the electrical aluminum is only 50% -60% of that of pure copper, and the aluminum and aluminum alloy have low strength and poor impact strength. The conductivity of the high-strength aluminum alloy is lower than 50% of that of pure copper, and the strength of the high-conductivity aluminum is lower than 50% of that of the pure copper, which seriously affects the application of aluminum and the aluminum alloy, so that a new scheme for solving the technical problems is urgently needed.
Disclosure of Invention
The invention provides a high-strength aluminum alloy conductor for an automobile cable and a manufacturing method thereof aiming at the problems in the prior art. The aluminum alloy has high strength but poor conductivity, and the invention has both conductivity and strength.
In order to achieve the purpose, the technical scheme of the invention is that the high-strength aluminum alloy conductor for the automobile cable is characterized by comprising the following components in percentage by mass: 0.35 to 0.65 percent of Si, 0.1 to 0.5 percent of Fe, less than 0.1 percent of Cu, 0.4 to 0.7 percent of Mg, B: 0.01 to 0.03 percent of the total content of the impurities, 0.02 to 0.03 percent of Re, less than 0.03 percent of single impurities, less than 0.1 percent of the total content of the impurities and the balance of aluminum.
As an improvement of the invention, the aluminum alloy conductor is formed by stranding 0.3mm aluminum alloy monofilaments.
As an improvement of the invention, the aluminum alloy soft structure conductor is formed by stranding aluminum alloy monofilaments which are subjected to heat treatment. The conductivity of the aluminum alloy monofilament is not lower than 57% IACS, the elongation is not lower than 6%, and the tensile strength is not lower than 160 Mpa.
The preparation method of the high-strength aluminum alloy conductor for the automobile cable comprises the following steps:
step 1) producing an aluminum alloy wire rod by using the components;
step 2) drawing the obtained aluminum alloy wire rod to obtain an aluminum alloy monofilament with the diameter of 0.3 mm;
step 3) carrying out heat treatment on the obtained aluminum alloy monofilament to obtain the required performance of the aluminum alloy monofilament;
step 4) using monofilaments meeting performance requirements to perform stranding of a plurality of conductors, wherein the cross section of each conductor is 0.5mm2_240mm2。
As an improvement of the invention, the main process in the step 1) is as follows: aluminum ingot-smelting-alloying-online refining-casting-rolling-aluminum alloy wire rod.
As an improvement of the invention, in the step 1), the temperature of the aluminum water is controlled to be 710-740 ℃, and the sodium-free refining agent mixed argon is introduced into the bottom of the aluminum water and dragged back and forth for 10 minutes. The alloying process is as follows: the temperature in the furnace is controlled between 710 ℃ and 740 ℃, and quantitative aluminum-boron alloy, aluminum-rare earth alloy and magnesium ingot are added. The content of boron is controlled to be 0.01-0.03%; the content of rare earth components is controlled to be 0.02-0.03 percent, and the content of magnesium is controlled to be 0.4-0.7 percent. The online refining process comprises the following steps: adopting a double-chamber online degassing device, refining with argon, controlling argon pressure at 0.2-0.7 Mpa and flow at 1m3/hr-3m3Argon is adopted for degassing, and the diffusivity of hydrogen is utilized to introduce high temperature into the aluminum liquidPure inert gas forms small bubbles, free hydrogen can diffuse into the bubbles of the inert gas and carry out aluminum liquid along with the rising of the bubbles of the inert gas, so that the degassing effect is achieved, the hydrogen content is effectively controlled to be 0.12ml/100g of aluminum by adopting double-chamber degassing, and the wire drawing performance and the processing performance of the aluminum alloy wire rod are improved.
As a modification of the present invention, in the step 3), the heat treatment process is as follows: the method comprises the steps of adopting a monofilament online heat treatment process, controlling the temperature and cooling to enable the aluminum alloy monofilament with the specified component content to reach required performance parameters, using an online annealing device, heating the pipe to be 3 meters in length, controlling the temperature to be 300-370 ℃, enabling the aluminum wire to pass through the heating pipe for about 1 minute, and cooling the aluminum wire by deionized water for about 30 seconds.
As a modification of the present invention, in the step 4), the twisting: the round compacted aluminum alloy stranded conductor is formed using one or two stranding operations. The performance parameter requirements of the aluminum alloy cable for the automobile are met under the condition that the monofilaments are not damaged.
Compared with the prior art, the invention has the advantages that 1) the technical scheme improves the tensile strength of the aluminum alloy cable conductor for the automobile, the pure aluminum has good conductivity but low strength, the aluminum alloy has high strength but poor conductivity, and the invention gives consideration to both conductivity and strength performance and extensibility; 2) the technical scheme expands the application range of the aluminum alloy cable on the automobile, and the control line, the signal line, the high-voltage line and the like can be applied; 3) the scheme solves the possibility of replacing copper with aluminum, and reduces the manufacturing cost of the automobile cable; 4) the blending of chemical components and the proportion of the content of each element in the technical scheme determine the performance index, the boronizing treatment and the rare earth treatment of the aluminum alloy wire rod, and the conductivity and the extension performance of the aluminum alloy wire rod are improved; 5) the in-furnace treatment process in the scheme comprises the following steps: refining by argon and a refining agent to obtain a pure aluminum melt to the maximum extent; 6) the technical scheme comprises double-chamber online refining: adopting a double-chamber online degassing device, refining with argon, controlling argon pressure at 0.2-0.7 Mpa and flow at 1m3/hr-3m3Removal by argonAnd gas is introduced into the aluminum liquid by utilizing the diffusivity of hydrogen to form small bubbles, and free hydrogen is diffused into the bubbles of the inert gas and is taken out of the aluminum liquid along with the rising of the bubbles of the inert gas, so that the degassing effect is achieved. The hydrogen content is effectively controlled to be 0.12ml/100g aluminum by adopting double-chamber degassing, so that the wire drawing performance and the processing performance of the aluminum alloy wire rod are improved; 7) the online heat treatment process of the scheme comprises the following steps: and (3) using an online annealing device, heating the tube to 3 meters in length, controlling the temperature to be 300-370 ℃, enabling the aluminum wire to pass through the heating tube for about 1 minute, and cooling the aluminum wire by using deionized water for about 30 seconds.
Drawings
FIG. 1 is a schematic view of an aluminum alloy wire.
In the figure: 1. 0.3mm high strength aluminum alloy monofilament.
The specific implementation mode is as follows:
the invention will now be described and explained with reference to specific embodiments for the purpose of enhancing an understanding of the invention.
Example 1: a high-strength aluminum alloy conductor for automobile cables comprises the following components in percentage by mass:
0.36 percent of Si, 0.12 percent of Fe, less than 0.1 percent of Cu, 0.4 percent of Mg, B: 0.012 percent, 0.022 percent of Re, less than 0.03 percent of single impurity, less than 0.1 percent of total impurity and the balance of aluminum;
the preparation method comprises the following steps:
step 1) producing an aluminum alloy wire rod by using the components;
step 2) drawing the obtained aluminum alloy wire rod to obtain an aluminum alloy monofilament with the diameter of 0.3 mm;
step 3) carrying out heat treatment on the obtained aluminum alloy monofilament to obtain the required performance of the aluminum alloy monofilament;
step 4) using monofilaments meeting performance requirements to perform stranding of a plurality of conductors, wherein the cross section of each conductor is 0.5mm2_240mm2。
The main process in the step 1) is as follows: the method comprises the steps of aluminum ingot smelting, alloying, online refining, casting, rolling and aluminum alloy wire rod, wherein in the step, the temperature of aluminum water is controlled to be 710-740 ℃, sodium-free refining agent mixed argon is introduced into the bottom of the aluminum water and dragged back and forth for 10 minutes. The alloying process is as follows: the temperature in the furnace is controlled between 710 ℃ and 740 ℃, and quantitative aluminum-boron alloy, aluminum-rare earth alloy and magnesium ingot are added. The content of boron is controlled to be 0.01-0.03%; the content of rare earth components is controlled to be 0.02-0.03 percent, and the content of magnesium is controlled to be 0.4-0.7 percent. The online refining process comprises the following steps: adopting a double-chamber online degassing device, refining by using argon, controlling the argon pressure at 0.2-0.7 Mpa and the flow at 1m3/hr-3m3/hr, degassing by using argon, introducing high-purity inert gas into the aluminum liquid by utilizing the diffusibility of hydrogen to form small bubbles, diffusing free hydrogen into the bubbles of the inert gas, and taking out the aluminum liquid along with the rising of the bubbles of the inert gas to achieve the degassing effect. The hydrogen content is effectively controlled to be 0.12ml/100g aluminum by adopting double-chamber degassing, and the wire drawing performance and the processing performance of the aluminum alloy wire rod are improved. In the step 3), the heat treatment process is as follows: the monofilament online heat treatment process is adopted, and the aluminum alloy monofilament with the specified component content achieves the required performance parameters through the control of temperature and cooling. And (3) using an online annealing device, heating the tube to 3 meters in length, controlling the temperature to be 300-370 ℃, enabling the aluminum wire to pass through the heating tube for about 1 minute, and cooling the aluminum wire by using deionized water for about 30 seconds. In the step 4), twisting: the round compacted aluminum alloy stranded conductor is formed using one or two stranding operations. The performance parameter requirements of the aluminum alloy cable for the automobile are met under the condition that the monofilaments are not damaged.
The properties for preparing 0.3mm aluminum alloy monofilaments are as follows:
tensile strength: 162.3Mpa, elongation 9.4%; resistivity 0.029976 omega mm2/m。
Example 2: a high-strength aluminum alloy conductor for automobile cables comprises the following components in percentage by mass:
0.45 percent of Si, 0.32 percent of Fe, less than 0.1 percent of Cu, 0.48 percent of Mg, B: 0.014%, 0.024% of Re, less than 0.03% of single impurity, less than 0.1% of total impurity and the balance of aluminum.
The preparation method comprises the following steps:
step 1) producing an aluminum alloy wire rod by using the components;
step 2) drawing the obtained aluminum alloy wire rod to obtain an aluminum alloy monofilament with the diameter of 0.3 mm;
step 3) carrying out heat treatment on the obtained aluminum alloy monofilament to obtain the required performance of the aluminum alloy monofilament;
step 4) using monofilaments meeting performance requirements to perform stranding of a plurality of conductors, wherein the cross section of each conductor is 0.5mm2_240mm2。
The main process in the step 1) is as follows: the method comprises the following steps of aluminum ingot smelting, alloying, online refining, casting, rolling and aluminum alloy wire rod, wherein in the step, the temperature of molten aluminum is controlled to be 710-740 ℃, sodium-free refining agent mixed argon is introduced into the bottom of the molten aluminum and dragged back and forth for 10 minutes, and the alloying process is as follows: the temperature in the furnace is controlled between 710 ℃ and 740 ℃, and quantitative aluminum-boron alloy, aluminum-rare earth alloy and magnesium ingot are added. The content of boron is controlled to be 0.01-0.03%; the content of rare earth components is controlled to be 0.02-0.03 percent, and the content of magnesium is controlled to be 0.4-0.7 percent. The online refining process comprises the following steps: adopting a double-chamber online degassing device, refining by using argon, controlling the argon pressure at 0.2-0.7 Mpa and the flow at 1m3/hr-3m3/hr, degassing by using argon, introducing high-purity inert gas into the aluminum liquid by utilizing the diffusibility of hydrogen to form small bubbles, diffusing free hydrogen into the bubbles of the inert gas, and taking out the aluminum liquid along with the rising of the bubbles of the inert gas to achieve the degassing effect. The hydrogen content is effectively controlled to be 0.12ml/100g aluminum by adopting double-chamber degassing, the wire drawing performance and the processing performance of the aluminum alloy wire rod are improved, and in the step 3), the heat treatment process is as follows: the monofilament online heat treatment process is adopted, and the aluminum alloy monofilament with the specified component content achieves the required performance parameters through the control of temperature and cooling. Using an online annealing device, heating the tube to be 3 meters in length, controlling the temperature to be 300-370 ℃, enabling the aluminum wire to pass through the heating tube for about 1 minute, cooling the aluminum wire by using deionized water for about 30 seconds, and in the step 4), stranding: the round compacted aluminum alloy stranded conductor is formed using one or two stranding operations. The performance parameter requirements of the aluminum alloy cable for the automobile are met under the condition that the monofilaments are not damaged.
The properties for preparing 0.3mm aluminum alloy monofilaments are as follows:
tensile strength: 165.5Mpa, elongation 8.5%; resistivity 0.030006 omega mm2/m。
Example 3: a high-strength aluminum alloy conductor for automobile cables comprises the following components in percentage by mass: 00.60% of Si, 0.5% of Fe, less than 0.1% of Cu, 0.6% of Mg, B: 0.02 percent, 0.025 percent of Re, less than 0.03 percent of single impurity, less than 0.1 percent of total amount of impurity and the balance of aluminum.
The preparation method comprises the following steps:
step 1) producing an aluminum alloy wire rod by using the components;
step 2) drawing the obtained aluminum alloy wire rod to obtain an aluminum alloy monofilament with the diameter of 0.3 mm;
step 3) carrying out heat treatment on the obtained aluminum alloy monofilament to obtain the required performance of the aluminum alloy monofilament;
step 4) using monofilaments meeting performance requirements to perform stranding of a plurality of conductors, wherein the cross section of each conductor is 0.5mm2_240mm2。
The main process in the step 1) is as follows: the method comprises the steps of aluminum ingot smelting, alloying, online refining, casting, rolling and aluminum alloy wire rod, wherein in the step, the temperature of aluminum water is controlled to be 710-740 ℃, sodium-free refining agent mixed argon is introduced into the bottom of the aluminum water and dragged back and forth for 10 minutes. The alloying process is as follows: the temperature in the furnace is controlled between 710 ℃ and 740 ℃, and quantitative aluminum-boron alloy, aluminum-rare earth alloy and magnesium ingot are added. The content of boron is controlled to be 0.01-0.03%; the content of rare earth components is controlled to be 0.02-0.03 percent, and the content of magnesium is controlled to be 0.4-0.7 percent. The online refining process comprises the following steps: adopting a double-chamber online degassing device, refining by using argon, controlling the argon pressure at 0.2-0.7 Mpa and the flow at 1m3/hr-3m3/hr, degassing by using argon, introducing high-purity inert gas into the aluminum liquid by utilizing the diffusibility of hydrogen to form small bubbles, diffusing free hydrogen into the bubbles of the inert gas, and taking out the aluminum liquid along with the rising of the bubbles of the inert gas to achieve the degassing effect. The hydrogen content is effectively controlled to be 0.12ml/100g aluminum by adopting double-chamber degassing, and the wire drawing performance and the processing performance of the aluminum alloy wire rod are improved. In the step 3), the heat treatment process is as follows: the monofilament online heat treatment process is adopted, and the aluminum alloy monofilament with the specified component content achieves the required performance parameters through the control of temperature and cooling. And (3) using an online annealing device, heating the tube to 3 meters in length, controlling the temperature to be 300-370 ℃, enabling the aluminum wire to pass through the heating tube for about 1 minute, and cooling the aluminum wire by using deionized water for about 30 seconds. In the step 4), twisting: the round compacted aluminum alloy stranded conductor is formed using one or two stranding operations. The performance parameter requirements of the aluminum alloy cable for the automobile are met under the condition that the monofilaments are not damaged.
The properties for preparing 0.3mm aluminum alloy monofilaments are as follows:
tensile strength: 174.4Mpa and elongation of 7 percent; resistivity 0.030143 omega mm2/m。
It should be noted that the above-mentioned embodiments are not intended to limit the scope of the present invention, and all equivalent modifications and substitutions based on the above-mentioned technical solutions are within the scope of the present invention as defined in the claims.
Claims (8)
1. The high-strength aluminum alloy conductor for the automobile cable is characterized by comprising the following components in percentage by mass: 0.35 to 0.65 percent of Si, 0.1 to 0.5 percent of Fe, less than 0.1 percent of Cu, 0.4 to 0.7 percent of Mg, B: 0.01 to 0.03 percent of the total content of the impurities, 0.02 to 0.03 percent of Re, less than 0.03 percent of single impurities, less than 0.1 percent of the total content of the impurities and the balance of aluminum.
2. The high-strength aluminum alloy conductor for automobile cables as claimed in claim 1, wherein the aluminum alloy conductor is formed by stranding 0.3mm aluminum alloy monofilaments.
3. The high-strength aluminum alloy conductor for automobile cables as claimed in claim 2, wherein the aluminum alloy conductor is formed by stranding heat-treated aluminum alloy filaments, the conductivity of the aluminum alloy filaments is not less than 57% IACS, the elongation is not less than 6%, and the tensile strength is not less than 160 Mpa.
4. The preparation method of the high-strength aluminum alloy conductor for the automobile cable is characterized by comprising the following steps of:
step 1) producing an aluminum alloy wire rod by using the components;
step 2) drawing the obtained aluminum alloy wire rod to obtain an aluminum alloy monofilament with the diameter of 0.3 mm;
step 3) carrying out heat treatment on the obtained aluminum alloy monofilament to obtain the required performance of the aluminum alloy monofilament;
step 4) using monofilaments meeting performance requirements to perform stranding of a plurality of conductors, wherein the cross section of each conductor is 0.5mm2_240mm2。
5. The method for preparing a high-strength aluminum alloy conductor for automobile cables as claimed in claim 4, wherein the main process in step 1) is as follows: aluminum ingot-smelting-alloying-online refining-casting-rolling-aluminum alloy wire rod.
6. The high-strength aluminum alloy conductor for automobile cables as claimed in claim 5, wherein in the step 1), the smelting process is as follows: controlling the temperature of the molten aluminum at 710-740 ℃, introducing argon mixed with a sodium-free refining agent into the bottom of the molten aluminum, dragging back and forth for 10 minutes, wherein the alloying process is as follows: controlling the temperature in the furnace between 710 and 740 ℃, adding quantitative aluminum-boron alloy, aluminum-rare earth alloy and magnesium ingot, and controlling the content of boron components between 0.01 and 0.03 percent; the content of rare earth components is controlled to be 0.02-0.03 percent, and the content of magnesium is controlled to be 0.4-0.7 percent; the online refining process comprises the following steps: adopting a double-chamber online degassing device, refining with argon, controlling argon pressure at 0.2-0.7 Mpa and flow at 1m3/hr-3m3Argon is adopted for degassing, high-purity inert gas is introduced into the aluminum liquid by utilizing the diffusivity of hydrogen to form small bubbles, free hydrogen is diffused into the bubbles of the inert gas and taken out of the aluminum liquid along with the rising of the bubbles of the inert gas to achieve the degassing effect, double-chamber degassing is adopted to effectively control the hydrogen content to be 0.12ml/100g of aluminum, the wire drawing performance of the aluminum alloy wire rod is improved, and the wire drawing performance is improved when the aluminum alloy wire rod is addedAnd (4) the workability.
7. The high-strength aluminum alloy conductor for automobile cables as claimed in claim 6, wherein in the step 3),
the heat treatment process is as follows: the method comprises the steps of adopting a monofilament online heat treatment process, controlling the temperature and cooling to enable the aluminum alloy monofilament with the specified component content to reach required performance parameters, using an online annealing device, heating the pipe to be 3 meters in length, controlling the temperature to be 300-370 ℃, enabling the aluminum wire to pass through the heating pipe for about 1 minute, and cooling the aluminum wire by deionized water for about 30 seconds.
8. The high-strength aluminum alloy conductor for automobile cables as claimed in claim 7, wherein in the step 4), the step of twisting: the round compacted aluminum alloy stranded conductor is formed using one or two stranding operations.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112951474A (en) * | 2021-02-26 | 2021-06-11 | 安徽阿尔泰克铝业材料科技有限公司 | Aluminum alloy conductor for aerospace cable |
| CN112951484A (en) * | 2021-02-26 | 2021-06-11 | 安徽阿尔泰克铝业材料科技有限公司 | Aluminum alloy soft conductor for photovoltaic line |
| CN115466883A (en) * | 2021-06-10 | 2022-12-13 | 特变电工股份有限公司 | High-conductivity graphene aluminum alloy rod, preparation method thereof and high-conductivity graphene aluminum alloy stranded wire |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2608538A1 (en) * | 1975-03-12 | 1976-09-30 | Southwire Co | METHOD OF MANUFACTURING A HEAT-RESISTANT ELECTRICAL CONDUCTOR |
| CN101343684A (en) * | 2007-07-27 | 2009-01-14 | 杭州中策富春江电缆有限公司 | Continuous on-line anneal technique for bi-metal wire bar and special apparatus thereof |
| CN103820686A (en) * | 2014-02-20 | 2014-05-28 | 无锡华能电缆有限公司 | Medium strength aluminium alloy wire with conductivity of 55% IACS, and preparation method thereof |
| CN105779826A (en) * | 2016-05-11 | 2016-07-20 | 山东阳谷电缆集团有限公司 | Aluminum alloy rod and preparing method thereof as well as preparing method of aluminum alloy wire |
-
2020
- 2020-04-08 CN CN202010270750.6A patent/CN111455237B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2608538A1 (en) * | 1975-03-12 | 1976-09-30 | Southwire Co | METHOD OF MANUFACTURING A HEAT-RESISTANT ELECTRICAL CONDUCTOR |
| CN101343684A (en) * | 2007-07-27 | 2009-01-14 | 杭州中策富春江电缆有限公司 | Continuous on-line anneal technique for bi-metal wire bar and special apparatus thereof |
| CN103820686A (en) * | 2014-02-20 | 2014-05-28 | 无锡华能电缆有限公司 | Medium strength aluminium alloy wire with conductivity of 55% IACS, and preparation method thereof |
| CN105779826A (en) * | 2016-05-11 | 2016-07-20 | 山东阳谷电缆集团有限公司 | Aluminum alloy rod and preparing method thereof as well as preparing method of aluminum alloy wire |
Non-Patent Citations (1)
| Title |
|---|
| 韦远飞等: "铝熔体在线精炼除气工艺及装置的发展", 《新技术新工艺》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112951474A (en) * | 2021-02-26 | 2021-06-11 | 安徽阿尔泰克铝业材料科技有限公司 | Aluminum alloy conductor for aerospace cable |
| CN112951484A (en) * | 2021-02-26 | 2021-06-11 | 安徽阿尔泰克铝业材料科技有限公司 | Aluminum alloy soft conductor for photovoltaic line |
| CN115466883A (en) * | 2021-06-10 | 2022-12-13 | 特变电工股份有限公司 | High-conductivity graphene aluminum alloy rod, preparation method thereof and high-conductivity graphene aluminum alloy stranded wire |
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