CN111485143A - High-conductivity wire harness and preparation method thereof - Google Patents
High-conductivity wire harness and preparation method thereof Download PDFInfo
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- CN111485143A CN111485143A CN202010193892.7A CN202010193892A CN111485143A CN 111485143 A CN111485143 A CN 111485143A CN 202010193892 A CN202010193892 A CN 202010193892A CN 111485143 A CN111485143 A CN 111485143A
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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
- 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
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
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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
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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
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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
- H01B13/0016—Apparatus or processes specially adapted for manufacturing conductors or cables for heat treatment
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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
- H01B13/012—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses
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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
- H01B13/06—Insulating conductors or cables
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- Crystallography & Structural Chemistry (AREA)
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Abstract
The invention provides a high-conductivity wire harness and a preparation method thereof, belonging to the technical field of wire harnesses, the high-conductivity wire harness comprises a lead and an insulating layer, the insulating layer is sleeved outside the lead, the lead is made of a high-conductivity alloy material, and the alloy material comprises the following components by mass formula: 0.1-1% of aluminum-titanium intermediate alloy, 0.1-1% of magnesium-zinc intermediate alloy, 0.5-1% of iron-nickel intermediate alloy, 0.1-0.5% of silicon, 0.05-0.1% of manganese, 0.05-0.1% of vanadium, 0.05-0.1% of rare earth intermediate alloy and the balance of aluminum and impurities, wherein the content of the impurities is not more than 0.03%. The high-conductivity wire harness is made of a high-conductivity wire material, the wire is made of an alloy material made of various alloys, and the alloy material has excellent conductivity and ductility; the preparation method of the high-conductivity wire harness is simple, is simple and convenient to operate, and is suitable for industrial large-scale popularization.
Description
Technical Field
The invention belongs to the technical field of wire harnesses, and particularly relates to a high-conductivity wire harness and a preparation method thereof.
Background
The wire harness is generally composed of one wire and a plurality of harness terminals provided at both ends of the wire. At present, different parts of a plurality of products are connected through wiring harnesses, and the wiring harnesses are widely applied and comprise automobiles, household appliances, computers, mobile phones, electronic instruments and the like. The automobile wiring harness is a main body of an automobile circuit, can be connected with various electrical equipment, has a plurality of assembly wiring harnesses required in the automobile, and has very strict requirements on the wiring harness, including electrical performance, material emission, temperature resistance and the like.
Aluminum has light weight and wide sources and good conductivity, but the conductivity of the aluminum is lower than that of copper; the pure copper wire has excellent conductivity, but the pure copper is a natural resource, so the exploitation resource is limited, and the copper resource in China is insufficient, so the import is needed to maintain the internal demand. At present, aluminum alloy materials are adopted to replace pure copper wires, but how to enable the alloy materials to have excellent conductivity and ductility and a preparation method thereof becomes a current research hotspot.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a high-conductivity wire harness and a preparation method thereof, wherein the high-conductivity wire harness is made of a high-conductivity wire material, the wire is an alloy material made of various alloys, and the alloy material has excellent conductivity and ductility; the preparation method of the high-conductivity wire harness is simple, is simple and convenient to operate, and is suitable for industrial large-scale popularization.
In order to achieve the purpose, the invention is realized by the following technical scheme: the high-conductivity wiring harness comprises a conducting wire and an insulating layer, wherein the insulating layer is sleeved outside the conducting wire, the conducting wire is made of a high-conductivity alloy material, and the alloy material comprises the following components in parts by mass: 0.1-1% of aluminum-titanium intermediate alloy, 0.1-1% of magnesium-zinc intermediate alloy, 0.5-1% of iron-nickel intermediate alloy, 0.1-0.5% of silicon, 0.05-0.1% of manganese, 0.05-0.1% of vanadium, 0.05-0.1% of rare earth intermediate alloy and the balance of aluminum and impurities, wherein the content of the impurities is not more than 0.03%. The intermediate alloy can make the melting point of the metal low, dissolve fast, and can also improve the performance of the alloy.
Further, the content of aluminum in the aluminum-titanium intermediate alloy is 50-70%. The aluminum-titanium intermediate alloy is a grain refining type intermediate alloy, and can refine the grains of the alloy, so that the alloy has better conductivity.
Further, the content of magnesium in the magnesium-zinc intermediate alloy is 30-50%. The magnesium-zinc alloy has good casting performance and good wear resistance.
Further, the content of iron in the iron-nickel intermediate alloy is 50-60%. The iron-nickel alloy has better conductivity.
Further, the rare earth intermediate alloy is a lanthanum thulium intermediate alloy. The lanthanum thulium master alloy can enhance the conductivity.
Further, the lanthanum content in the lanthanum-thulium intermediate alloy is 40-60%.
A preparation method of a high-conductivity wire harness comprises the following production processes:
(1) mixing and casting: mixing the raw materials of the magnesium-zinc intermediate alloy and the aluminum according to the mass ratio, adding the mixture into a smelting furnace, and raising the temperature of the smelting furnace to 650-700 ℃ until the magnesium-zinc intermediate alloy and the aluminum are completely melted; adding the aluminum-titanium intermediate alloy, the iron-nickel intermediate alloy, the silicon, the manganese, the vanadium and the rare earth intermediate alloy in the mass ratio into a smelting furnace, heating the smelting furnace to 1000-1200 ℃ for smelting and casting, stirring the raw materials during the smelting process to uniformly mix the raw materials, and smelting and casting after the raw materials are completely melted to obtain an aluminum alloy ingot;
(2) molding: rolling the aluminum alloy ingot obtained in the step (1) into an aluminum alloy guide rod;
(3) annealing and cooling: annealing the aluminum alloy guide rod obtained in the step (2) at the temperature of 500-550 ℃ for 5-7 hours, and drawing the aluminum alloy guide rod to obtain an aluminum alloy wire with the required specification;
(4) aging treatment: and (4) placing the aluminum alloy wire obtained in the step (3) in a heat treatment furnace at 400-450 ℃ for treatment for 4-5 hours, then reducing the temperature of the heat treatment furnace to 200 ℃, taking out the aluminum alloy wire after 3 hours, and naturally cooling the aluminum alloy wire to obtain the aluminum alloy wire.
(5) Assembling: softening the aluminum alloy wire, and then wrapping the aluminum alloy wire with a layer of insulating layer to obtain the single wire harness.
Further, the diameter of the aluminum alloy guide rod obtained in the step (2) is 0.5-1 cm.
Further, the insulating layer in the step (5) is made of polyvinyl chloride or methyl vinyl silicone rubber.
Has the advantages that: compared with the prior art, the invention has the following advantages: the invention provides a high-conductivity wire harness and a preparation method thereof, the high-conductivity wire harness adopts a lead made of alloy materials, the lead has high conductivity, the alloy materials of the lead are composed of a plurality of mixed metal elements and intermediate alloys, wherein the intermediate alloys can lower the melting point of metal, can dissolve quickly and can improve the performance of the alloy; the aluminum-titanium intermediate alloy is a grain refining type intermediate alloy, so that the grains of the alloy can be refined, and the alloy has better conductivity; the rare earth intermediate alloy can enhance the conductivity of the alloy material; the preparation method of the high-conductivity wire harness is simple, is simple and convenient to operate, and is suitable for industrial large-scale popularization.
Detailed Description
The invention will be further illustrated with reference to the following specific examples.
Example 1
The high-conductivity wiring harness comprises a conducting wire and an insulating layer, wherein the insulating layer is sleeved outside the conducting wire, the conducting wire is made of a high-conductivity alloy material, and the alloy material comprises the following components in parts by mass: 0.1% of aluminum-titanium intermediate alloy, 0.1% of magnesium-zinc intermediate alloy, 0.5% of iron-nickel intermediate alloy, 0.1% of silicon, 0.05% of manganese, 0.05% of vanadium, 0.05% of rare earth intermediate alloy and the balance of aluminum and impurities, wherein the content of the impurities is not more than 0.03%.
Wherein, the content of aluminium is 50% in the aluminium titanium intermediate alloy, the content of magnesium is 30% in the magnesium zinc intermediate alloy, the content of iron is 50% in the iron nickel intermediate alloy, the tombarthite intermediate alloy is lanthanum thulium intermediate alloy, the content of lanthanum is 40% in the lanthanum thulium intermediate alloy.
The method for producing the high-conductivity wire harness of the present embodiment includes the following production processes:
(1) mixing and casting: mixing the raw materials of the magnesium-zinc intermediate alloy and the aluminum according to the mass ratio, adding the mixture into a smelting furnace, and heating the smelting furnace to 650 ℃ until the magnesium-zinc intermediate alloy and the aluminum are completely melted; adding the aluminum-titanium intermediate alloy, the iron-nickel intermediate alloy, the silicon, the manganese, the vanadium and the rare earth intermediate alloy in the mass ratio into a smelting furnace, heating the smelting furnace to 1000 ℃ for smelting and casting, stirring the raw materials in the process to uniformly mix the raw materials, and smelting and casting after the raw materials are completely melted to obtain an aluminum alloy ingot;
(2) molding: rolling the aluminum alloy ingot obtained in the step (1) into an aluminum alloy guide rod, wherein the diameter of the aluminum alloy guide rod is 0.5 cm;
(3) annealing and cooling: annealing the aluminum alloy guide rod obtained in the step (2) at 500 ℃ for 5 hours, and drawing the aluminum alloy guide rod to obtain an aluminum alloy wire with the required specification;
(4) aging treatment: and (4) placing the aluminum alloy conductor obtained in the step (3) in a heat treatment furnace at 400 ℃ for treatment for 4 hours, then cooling the heat treatment furnace to 200 ℃, taking out the aluminum alloy conductor after 3 hours, and naturally cooling the aluminum alloy conductor to obtain the aluminum alloy conductor.
(5) Assembling: softening the aluminum alloy wire, and then wrapping a layer of insulating layer outside the aluminum alloy wire to obtain a single wire harness, wherein the insulating layer is made of polyvinyl chloride or methyl vinyl silicone rubber.
Example 2
The high-conductivity wiring harness comprises a conducting wire and an insulating layer, wherein the insulating layer is sleeved outside the conducting wire, the conducting wire is made of a high-conductivity alloy material, and the alloy material comprises the following components in parts by mass: 1% of aluminum-titanium intermediate alloy, 1% of magnesium-zinc intermediate alloy, 1% of iron-nickel intermediate alloy, 0.5% of silicon, 0.1% of manganese, 0.1% of vanadium, 0.1% of rare earth intermediate alloy and the balance of aluminum and impurities, wherein the content of the impurities is not more than 0.03%.
Wherein, the content of aluminium is 70% in the aluminium titanium intermediate alloy, the content of magnesium is 50% in the magnesium zinc intermediate alloy, the content of iron is 60% in the iron nickel intermediate alloy, the tombarthite intermediate alloy is lanthanum thulium intermediate alloy, the content of lanthanum is 60% in the lanthanum thulium intermediate alloy.
The method for producing the high-conductivity wire harness of the present embodiment includes the following production processes:
(1) mixing and casting: mixing the raw materials of the magnesium-zinc intermediate alloy and the aluminum according to the mass ratio, adding the mixture into a smelting furnace, and raising the temperature of the smelting furnace to 700 ℃ until the magnesium-zinc intermediate alloy and the aluminum are completely melted; adding the aluminum-titanium intermediate alloy, the iron-nickel intermediate alloy, the silicon, the manganese, the vanadium and the rare earth intermediate alloy in the mass ratio into a smelting furnace, heating the smelting furnace to 1200 ℃ for smelting and casting, stirring the raw materials in the process to uniformly mix the raw materials, and smelting and casting after the raw materials are completely melted to obtain an aluminum alloy ingot;
(2) molding: rolling the aluminum alloy ingot obtained in the step (1) into an aluminum alloy guide rod, wherein the diameter of the aluminum alloy guide rod is 1 cm;
(3) annealing and cooling: annealing the aluminum alloy guide rod obtained in the step (2) at 550 ℃ for 7 hours, and drawing the aluminum alloy guide rod to obtain an aluminum alloy wire with the required specification;
(4) aging treatment: and (4) placing the aluminum alloy conductor obtained in the step (3) in a heat treatment furnace at 450 ℃ for treatment for 5 hours, then cooling the heat treatment furnace to 200 ℃, taking out the aluminum alloy conductor after 3 hours, and naturally cooling the aluminum alloy conductor to obtain the aluminum alloy conductor.
(5) Assembling: softening the aluminum alloy wire, and then wrapping a layer of insulating layer outside the aluminum alloy wire to obtain a single wire harness, wherein the insulating layer is made of polyvinyl chloride or methyl vinyl silicone rubber.
Example 3
The high-conductivity wiring harness comprises a conducting wire and an insulating layer, wherein the insulating layer is sleeved outside the conducting wire, the conducting wire is made of a high-conductivity alloy material, and the alloy material comprises the following components in parts by mass: 0.5% of aluminum-titanium intermediate alloy, 0.5% of magnesium-zinc intermediate alloy, 0.7% of iron-nickel intermediate alloy, 0.3% of silicon, 0.08% of manganese, 0.08% of vanadium, 0.08% of rare earth intermediate alloy and the balance of aluminum and impurities, wherein the content of the impurities is not more than 0.03%.
Wherein, the content of aluminium is 60% in the aluminium titanium intermediate alloy, the content of magnesium is 40% in the magnesium zinc intermediate alloy, the content of iron is 55% in the iron nickel intermediate alloy, the tombarthite intermediate alloy is lanthanum thulium intermediate alloy, the content of lanthanum is 50% in the lanthanum thulium intermediate alloy.
The method for producing the high-conductivity wire harness of the present embodiment includes the following production processes:
(1) mixing and casting: mixing the raw materials of the magnesium-zinc intermediate alloy and the aluminum according to the mass ratio, adding the mixture into a smelting furnace, and heating the smelting furnace to 670 ℃ until the magnesium-zinc intermediate alloy and the aluminum are completely melted; adding the aluminum-titanium intermediate alloy, the iron-nickel intermediate alloy, the silicon, the manganese, the vanadium and the rare earth intermediate alloy in the mass ratio into a smelting furnace, heating the smelting furnace to 1100 ℃ for smelting and casting, stirring the raw materials in the process to uniformly mix the raw materials, and smelting and casting after the raw materials are completely melted to obtain an aluminum alloy ingot;
(2) molding: rolling the aluminum alloy ingot obtained in the step (1) into an aluminum alloy guide rod, wherein the diameter of the aluminum alloy guide rod is 0.7 cm;
(3) annealing and cooling: annealing the aluminum alloy guide rod obtained in the step (2) at 530 ℃ for 6 hours, and drawing the aluminum alloy guide rod to obtain an aluminum alloy wire with the required specification;
(4) aging treatment: and (4) placing the aluminum alloy conductor obtained in the step (3) in a heat treatment furnace at 430 ℃ for treatment for 4.5 hours, then cooling the heat treatment furnace to 200 ℃, taking out the aluminum alloy conductor after 3 hours, and naturally cooling the aluminum alloy conductor to obtain the aluminum alloy conductor.
(5) Assembling: softening the aluminum alloy wire, and then wrapping a layer of insulating layer outside the aluminum alloy wire to obtain a single wire harness, wherein the insulating layer is made of polyvinyl chloride or methyl vinyl silicone rubber.
Performance detection
In order to verify the electrical and mechanical properties of the high-conductivity wire harness according to the present invention, 1cm of the alloy wire obtained in examples 1 to 3 was measured for tensile strength, elongation after fracture, and conductivity, and the measurement results are shown in table 1 below.
Table 1 results of performance testing
| Detecting items | Tensile strength/MPa | Elongation after break/% | Conductivity/% IACS |
| Example 1 | 512 | 18 | 52 |
| Example 2 | 543 | 20 | 63 |
| Example 3 | 528 | 18.7 | 58 |
From the results, the alloy wire prepared by the preparation method has good conductivity, the conductivity of the alloy wire reaches more than 50% IACS, the tensile strength of the alloy wire is good, and the wire harness prepared by the alloy wire has high conductivity and can be widely popularized in the field of automobile production.
The foregoing is directed to embodiments of the present invention and, more particularly, to a method and apparatus for controlling a power converter in a power converter, including a power converter, a power converter.
Claims (9)
1. A high-conductivity wire harness, characterized in that: the high-conductivity wiring harness comprises a wire and an insulating layer, wherein the insulating layer is sleeved on the outer side of the wire, the wire is made of a high-conductivity alloy material, and the alloy material comprises the following components in parts by mass: 0.1-1% of aluminum-titanium intermediate alloy, 0.1-1% of magnesium-zinc intermediate alloy, 0.5-1% of iron-nickel intermediate alloy, 0.1-0.5% of silicon, 0.05-0.1% of manganese, 0.05-0.1% of vanadium, 0.05-0.1% of rare earth intermediate alloy and the balance of aluminum and impurities, wherein the content of the impurities is not more than 0.03%.
2. The high-conductivity wire harness according to claim 1, wherein: the aluminum content in the aluminum-titanium intermediate alloy is 50-70%.
3. The high-conductivity wire harness according to claim 1, wherein: the magnesium content in the magnesium-zinc intermediate alloy is 30-50%.
4. The high-conductivity wire harness according to claim 1, wherein: the content of iron in the iron-nickel intermediate alloy is 50-60%.
5. The high-conductivity wire harness according to claim 1, wherein: the rare earth intermediate alloy is lanthanum thulium intermediate alloy.
6. The high-conductivity wire harness according to claim 5, wherein: the lanthanum content in the lanthanum-thulium intermediate alloy is 40-60%.
7. A method for producing a high-conductivity wiring harness according to any one of claims 1 to 6, characterized in that: comprises the following production processes:
(1) mixing and casting: mixing the raw materials of the magnesium-zinc intermediate alloy and the aluminum according to the mass ratio, adding the mixture into a smelting furnace, and raising the temperature of the smelting furnace to 650-700 ℃ until the magnesium-zinc intermediate alloy and the aluminum are completely melted; adding the aluminum-titanium intermediate alloy, the iron-nickel intermediate alloy, the silicon, the manganese, the vanadium and the rare earth intermediate alloy in the mass ratio into a smelting furnace, heating the smelting furnace to 1000-1200 ℃ for smelting and casting, stirring the raw materials during the smelting process to uniformly mix the raw materials, and smelting and casting after the raw materials are completely melted to obtain an aluminum alloy ingot;
(2) molding: rolling the aluminum alloy ingot obtained in the step (1) into an aluminum alloy guide rod;
(3) annealing and cooling: annealing the aluminum alloy guide rod obtained in the step (2) at the temperature of 500-550 ℃ for 5-7 hours, and drawing the aluminum alloy guide rod to obtain an aluminum alloy wire with the required specification;
(4) aging treatment: placing the aluminum alloy wire obtained in the step (3) in a heat treatment furnace at 400-450 ℃ for treatment for 4-5 hours, then reducing the temperature of the heat treatment furnace to 200 ℃, taking out the aluminum alloy wire after 3 hours, and naturally cooling the aluminum alloy wire to obtain the aluminum alloy wire;
(5) assembling: softening the aluminum alloy wire, and then wrapping the aluminum alloy wire with a layer of insulating layer to obtain the single wire harness.
8. The method for producing a high-conductivity wire harness according to claim 7, wherein: the diameter of the aluminum alloy guide rod obtained in the step (2) is 0.5-1 cm.
9. The method for producing a high-conductivity wire harness according to claim 7, wherein: the insulating layer in the step (5) is made of polyvinyl chloride or methyl vinyl silicone rubber.
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| CN202010193892.7A CN111485143B (en) | 2020-03-19 | 2020-03-19 | High-conductivity wire harness and preparation method thereof |
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| CN202010193892.7A CN111485143B (en) | 2020-03-19 | 2020-03-19 | High-conductivity wire harness and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| EP3184659A1 (en) * | 2015-12-23 | 2017-06-28 | Wifama-Prexer Sp. z o.o. | Silumin for pressure die casting with additive of wolfram and vanadium |
| CN108913960A (en) * | 2018-07-23 | 2018-11-30 | 铜陵金力铜材有限公司 | A kind of aluminium alloy wire and preparation method thereof |
| CN110475884A (en) * | 2017-03-27 | 2019-11-19 | 古河电气工业株式会社 | Aluminum alloy materials and using the material conductive member, conductive component, spring with component, spring component, semiconductor module component, semiconductor module component, structure component and structure component |
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2020
- 2020-03-19 CN CN202010193892.7A patent/CN111485143B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| EP3184659A1 (en) * | 2015-12-23 | 2017-06-28 | Wifama-Prexer Sp. z o.o. | Silumin for pressure die casting with additive of wolfram and vanadium |
| CN110475884A (en) * | 2017-03-27 | 2019-11-19 | 古河电气工业株式会社 | Aluminum alloy materials and using the material conductive member, conductive component, spring with component, spring component, semiconductor module component, semiconductor module component, structure component and structure component |
| CN108913960A (en) * | 2018-07-23 | 2018-11-30 | 铜陵金力铜材有限公司 | A kind of aluminium alloy wire and preparation method thereof |
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