CN106834836B - A kind of aluminium alloy conductor material and its production technology - Google Patents
A kind of aluminium alloy conductor material and its production technology Download PDFInfo
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- CN106834836B CN106834836B CN201710174639.5A CN201710174639A CN106834836B CN 106834836 B CN106834836 B CN 106834836B CN 201710174639 A CN201710174639 A CN 201710174639A CN 106834836 B CN106834836 B CN 106834836B
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- aluminium alloy
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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
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/14—Alloys based on aluminium with copper as the next major constituent with silicon
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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
- C22C21/00—Alloys based on aluminium
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
- C22C21/18—Alloys based on aluminium with copper as the next major constituent with zinc
-
- 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
- C22F1/057—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 copper as the next major constituent
-
- 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
Abstract
The invention discloses a kind of aluminium alloy conductor material and its production technology, which consists of the following compositions：Cu, Fe, Si, P, Ca, K, Mo, Co, Mn, Cr, Sn, Ti and Zn, surplus are Al and inevitable impurity.Its production technology is to cast-homogenizing annealing is handled-by the melting-standing is skimmed-to material composition to squeeze woollen-and be drawn into silk, finally by cleaning, shearing, aligning, inspection and packaging.This kind of wire rod has higher intensity and more excellent conductive capability, its tensile strength reaches 283Mpa, and conductivity can reach 62.7%IACS, and heat-resisting long performance can work normally 2 years or more under 240 DEG C of states, and corrosion resistance is strong, at low cost, light-weight, is transmitted suitable for outdoor power.
Description
Technical field
The present invention relates to alloy wire manufacturing technology fields, more particularly, to a kind of aluminium alloy conductor material and its production work
Skill.
Background technology
In the lighting process of moving body in recent years, using the aluminum or aluminum alloy lighter than copper or copper alloy as electricity
Conductor technology development of the gas with wire body is swift and violent.
It is well known that the proportion of aluminium is about the 1/3 of copper, and about 2/3 that the conductivity of aluminium is copper is (with fine copper for 100%
When the benchmark of IACS, fine aluminium is about 66%IACS).Therefore, in order to make to flow through in fine aluminium conductor wires and pure cu conductor wire rod phase
Same electric current, the sectional area of fine aluminium conductor wires needs to be about 1.5 times of pure cu conductor wire rod, nonetheless, in terms of weight
Aluminium is only about half of copper, and here it is the advantages of aluminium.And intensity, anti-fatigue performance, toughness of fine aluminium etc. is low compared with copper, thus it is pure
Aluminium cannot be used individually as conducting wire, especially in the smaller field in the section for requiring conducting wire.In the prior art, it is closed using aluminium
Conducting wire is very universal manufacturing for gold, or even can find to have Al-alloy products and conducting wire on the periphery of the ordinary life of people
Have that density is low, intensity is high, plasticity is good, excellent leads in the presence of, this aluminum alloy materials for being primarily due to have admixed other elements
Electrically, the characteristics such as thermal conductivity and corrosion stability, the intensity of some aluminum alloy materials is even near or above high-quality steel, nowadays, industry
Upper aluminium alloy is widely used, and usage amount is only second to steel.And admix aluminium alloy element include generally iron, magnesium, silicon, manganese,
Chromium, titanium, nickel, copper etc..
The one kind of aluminium alloy wires as conducting wire wire rod has superior electric conductivity, corrosion resistance, light-weight and good
Thermal conductivity, superior intensity and fatigue proof performance, obtain the universal extensive use of current social.Such as outdoor transmission electricity
Line is essentially all to transmit electric energy using aluminium alloy wires, therefore develop a kind of aluminium alloy wires, makes it have higher
Intensity, excellent electric conductivity, heat resistant and wear resistant and the service life it is high speciality it is particularly important, and the aluminium alloy of this constantly improve
Wire rod is of great significance to energy consumption.
Invention content
In view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of aluminium alloy conductor material and its production technology,
The aluminium alloy wires intensity height, excellent conductivity, corrosion resistance are strong.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of aluminium alloy conductor material, by following weight percent at being grouped as：Cu 0.42-0.46%, Fe 0.30-
0.32%, Si 0.28-0.34%, P 0.19-0.23%, Ca 0.18-0.20%, K 0.16-0.20%, Mo 0.09-
0.15%, Co 0.09-0.15%, Mn 0.08-0.12%, Cr 0.07-0.11%, Sn 0.05-0.07%, Ti 0.04-
0.08%, Zn 0.04-0.06%, surplus are Al and inevitable impurity.
Further, the aluminium alloy conductor material by following weight percent at being grouped as：Cu 0.44%, Fe
0.31%, Si 0.31%, P 0.21%, Ca 0.19%, K 0.18%, Mo 0.12%, Co 0.12%, Mn 0.10%, Cr
0.09%, Sn 0.06%, Ti 0.06%, Zn 0.05%, surplus are Al and inevitable impurity, and impurity institute
Containing weight percent≤0.05%.
A kind of production technology of aluminium alloy conductor material of the present invention, includes the following steps：
(1) material composition is taken according to the above ratio, is delivered to melting in dry smelting furnace and is handled；
(2) it is stirred well to melting down, skims after standing, obtain aluminium alloy solution；
(3) casting is carried out to the aluminium alloy solution and φ 105-125mm bars is made；
(4) homogenizing annealing processing is carried out to rods and bars of aluminium alloy after casting；
(5) by homogenizing annealing, treated that rods and bars of aluminium alloy is put into extruder carries out extrusion process, and wire rod hair is made
Material；
(6) wire rod woollen obtained is kept the temperature 1-2 hours under the conditions of temperature is 360-420 DEG C, then with≤20 DEG C/h's
Cooling rate is cooled to 250 DEG C hereinafter, then in N2It under the protection of gas, comes out of the stove and is air-cooled to room temperature, carry out the of woollen later
Drawing stretches a diameter of 6-10mm, then the wire rod of first time drawing is carried out intermediate annealing process, annealing temperature 360-
420 DEG C, soaking time is 1-2 hours, then is cooled to 240 DEG C hereinafter, then in N with the cooling rate of≤25 DEG C/h2Gas
It under protection, comes out of the stove and is air-cooled to room temperature, then wire rod is carried out second and is stretched, be stretched to a diameter of 1-3mm；
(7) it cleaned, sheared, aligned, examined and is wrapped finally by the aluminium alloy conductor material after drawing twice
The aluminium alloy conductor finished material of the present invention is just made in dress.
Preferably, the smelting temperature of the smelting furnace is 700-740 DEG C, and smelting time is 3-4 hours.
Preferably, the time of repose is 1-2 hours.
Preferably, 640-680 DEG C of the casting temperature, casting speed 115-125mm/min, cooling water temperature 15-
25 DEG C, cooling water intensity be 0.11-0.13MPa.
Preferably, the temperature of the homogenizing annealing processing is set as 350-450 DEG C, and soaking time is 2-3 hours.
Preferably, the pressure of the extrusion process is 650-850MPa, and temperature is 360-420 DEG C.
The aluminium alloy conductor material of the present invention has higher intensity and more excellent compared with existing aluminium alloy conductor material
Electric conductivity measures its tensile strength through scientific research department's long-term experiment and reaches 283Mpa, and conductivity can reach 62.7%IACS, resistance to
Hot performance long can work normally 2 years or more under 240 DEG C of states, and corrosion resistance is strong, at low cost, light-weight, production is easy,
It is transmitted suitable for outdoor power.
Specific implementation mode
With reference to embodiment, the invention will be further described.
Embodiment 1
One, wire rod ingredient
A kind of aluminium alloy conductor material, by following weight percent at being grouped as：Cu 0.42%, Fe 0.30%, Si
0.28%, P 0.19%, Ca 0.18%, K 0.16%, Mo 0.09%, Co 0.09%, Mn 0.08%, Cr 0.07%, Sn
0.05%, Ti 0.04%, Zn 0.04%, surplus are Al and inevitable impurity, and weight percent contained by the impurity
Number≤0.05%.
Two, production technology
The production technology of the aluminium alloy conductor material of the present invention, follows the steps below：
(1) material composition is taken according to the above ratio, is delivered to melting in dry smelting furnace and is handled, wherein the smelting furnace
Smelting temperature be 700 DEG C, smelting time be 4 hours；
(2) be stirred well to it is melting down, stand 1 hour after skim, obtain aluminium alloy solution；
(3) casting is carried out to the aluminium alloy solution and φ 105mm bars is made, wherein 640 DEG C of the casting temperature, casting
Make that speed is 115mm/min, cooling water temperature is 15 DEG C, cooling water intensity is 0.11MPa；
(4) homogenizing annealing processing is carried out to rods and bars of aluminium alloy after casting, wherein the temperature of the homogenizing annealing processing
It is set as 350 DEG C, soaking time is 3 hours；
(5) by homogenizing annealing, treated that rods and bars of aluminium alloy is put into extruder carries out extrusion process, and wire rod hair is made
Material, wherein the pressure of the extrusion process is 650MPa, and temperature is 420 DEG C；
(6) wire rod woollen obtained is kept the temperature 2 hours under the conditions of temperature is 360 DEG C, then with the cooling speed of≤20 DEG C/h
Degree is cooled to 250 DEG C hereinafter, then in N2It under the protection of gas, comes out of the stove and is air-cooled to room temperature, the first time for carrying out woollen later draws
It pulls out, stretches a diameter of 6mm, then the wire rod of first time drawing is subjected to intermediate annealing process, annealing temperature is 360 DEG C, when heat preservation
Between be 2 hours, then be cooled to 240 DEG C hereinafter, then in N with the cooling rate of≤25 DEG C/h2Under the protection of gas, come out of the stove air-cooled
To room temperature, then wire rod is carried out second and is stretched, is stretched to a diameter of 1mm；
(7) it cleaned, sheared, aligned, examined and is wrapped finally by the aluminium alloy conductor material after drawing twice
The aluminium alloy conductor finished material of the present invention is just made in dress.
Three, performance detection：Tensile strength reaches 270Mpa, and conductivity can reach 62.1%IACS, and heat-resisting long performance can
It is worked normally 2 years or more under 240 DEG C of states.
Embodiment 2
One, wire rod ingredient
A kind of aluminium alloy conductor material, by following weight percent at being grouped as：Cu 0.44%, Fe 0.31%, Si
0.33%, P 0.21%, Ca 0.19%, K 0.18%, Mo 0.12%, Co 0.12%, Mn 0.1%, Cr 0.09%, Sn
0.06%, Ti 0.06%, Zn 0.05%, surplus are Al and inevitable impurity, and weight percent contained by the impurity
Number≤0.05%.
Two, production technology
The production technology of the aluminium alloy conductor material of the present invention, follows the steps below：
(1) material composition is taken according to the above ratio, is delivered to melting in dry smelting furnace and is handled, wherein the smelting furnace
Smelting temperature be 720 DEG C, smelting time be 3.5 hours；
(2) be stirred well to it is melting down, stand 1.5 hours after skim, obtain aluminium alloy solution；
(3) casting is carried out to the aluminium alloy solution and φ 115mm bars is made, wherein 660 DEG C of the casting temperature, casting
Make that speed is 120mm/min, cooling water temperature is 20 DEG C, cooling water intensity is 0.12MPa；
(4) homogenizing annealing processing is carried out to rods and bars of aluminium alloy after casting, wherein the temperature of the homogenizing annealing processing
It is set as 400 DEG C, soaking time is 2.5 hours；
(5) by homogenizing annealing, treated that rods and bars of aluminium alloy is put into extruder carries out extrusion process, and wire rod hair is made
Material, wherein the pressure of the extrusion process is 750MPa, and temperature is 390 DEG C；
(6) wire rod woollen obtained is kept the temperature 1.5 hours under the conditions of temperature is 390 DEG C, then with the cooling of≤20 DEG C/h
Speed is cooled to 250 DEG C hereinafter, then in N2It under the protection of gas, comes out of the stove and is air-cooled to room temperature, carry out the first time of woollen later
Drawing stretches a diameter of 8mm, then the wire rod of first time drawing is carried out intermediate annealing process, and annealing temperature is 390 DEG C, heat preservation
Time is 1.5 hours, then is cooled to 240 DEG C hereinafter, then in N with the cooling rate of≤25 DEG C/h2Under the protection of gas, come out of the stove
It is air-cooled to room temperature, then wire rod is carried out second and is stretched, is stretched to a diameter of 2mm；
(7) it cleaned, sheared, aligned, examined and is wrapped finally by the aluminium alloy conductor material after drawing twice
The aluminium alloy conductor finished material of the present invention is just made in dress.
Three, performance detection：Tensile strength reaches 283Mpa, and conductivity can reach 62.7%IACS, and heat-resisting long performance can
It is worked normally 2 years or more under 240 DEG C of states.
Embodiment 3
One, wire rod ingredient
A kind of aluminium alloy conductor material, by following weight percent at being grouped as：Cu 0.46%, Fe 0.32%, Si
0.34%, P 0.23%, Ca 0.20%, K 0.20%, Mo 0.15%, Co 0.15%, Mn 0.12%, Cr 0.11%, Sn
0.07%, Ti 0.08%, Zn 0.06%, surplus are Al and inevitable impurity, and weight percent contained by the impurity
Number≤0.05%.
Two, production technology
The production technology of the aluminium alloy conductor material of the present invention, follows the steps below：
(1) material composition is taken according to the above ratio, is delivered to melting in dry smelting furnace and is handled, wherein the smelting furnace
Smelting temperature be 740 DEG C, smelting time be 3 hours；
(2) be stirred well to it is melting down, stand 2 hours after skim, obtain aluminium alloy solution；
(3) casting is carried out to the aluminium alloy solution and φ 125mm bars is made, wherein 680 DEG C of the casting temperature, casting
Make that speed is 125mm/min, cooling water temperature is 25 DEG C, cooling water intensity is 0.13MPa；
(4) homogenizing annealing processing is carried out to rods and bars of aluminium alloy after casting, wherein the temperature of the homogenizing annealing processing
It is set as 450 DEG C, soaking time is 3 hours；
(5) by homogenizing annealing, treated that rods and bars of aluminium alloy is put into extruder carries out extrusion process, and wire rod hair is made
Material, wherein the pressure of the extrusion process is 850MPa, and temperature is 420 DEG C；
(6) wire rod woollen obtained is kept the temperature 2 hours under the conditions of temperature is 420 DEG C, then with the cooling speed of≤20 DEG C/h
Degree is cooled to 250 DEG C hereinafter, then in N2It under the protection of gas, comes out of the stove and is air-cooled to room temperature, the first time for carrying out woollen later draws
It pulls out, stretches a diameter of 10mm, then the wire rod of first time drawing is subjected to intermediate annealing process, annealing temperature is 420 DEG C, when heat preservation
Between be 2 hours, then be cooled to 240 DEG C hereinafter, then in N with the cooling rate of≤25 DEG C/h2Under the protection of gas, come out of the stove air-cooled
To room temperature, then wire rod is carried out second and is stretched, is stretched to a diameter of 3mm；
(7) it cleaned, sheared, aligned, examined and is wrapped finally by the aluminium alloy conductor material after drawing twice
The aluminium alloy conductor finished material of the present invention is just made in dress.
Three, performance detection：Tensile strength reaches 272Mpa, and conductivity can reach 61.5%IACS, and heat-resisting long performance can
It is worked normally 2 years or more under 240 DEG C of states.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although with reference to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features.All essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (7)
1. a kind of aluminium alloy conductor material, which is characterized in that by following weight percent at being grouped as：Cu 0.42-0.46%,
Fe 0.30-0.32%、Si 0.28-0.34%、P 0.19-0.23%、Ca 0.18-0.20%、K 0.16-0.20%、Mo 0.09-
0.15%、Co 0.09-0.15%、Mn 0.08-0.12%、Cr 0.07-0.11%、Sn0.05-0.07%、Ti0.04-0.08%、Zn
0.04-0.06%, surplus are Al and inevitable impurity；
The production technology of the aluminium alloy conductor material includes the following steps：
（1）Material composition is taken according to the above ratio, is delivered to melting in dry smelting furnace and is handled；
（2）It is stirred well to melting down, skims after standing, obtain aluminium alloy solution；
（3）Casting is carried out to the aluminium alloy solution, φ 105-125mm bars are made；
（4）Homogenizing annealing processing is carried out to rods and bars of aluminium alloy after casting；
（5）By homogenizing annealing, treated that rods and bars of aluminium alloy is put into extruder carries out extrusion process, and wire rod woollen is made；
（6）Wire rod woollen obtained is kept the temperature 1-2 hours under the conditions of temperature is 360-420 DEG C, then with the cooling of≤20 DEG C/h
Speed is cooled to 250 DEG C hereinafter, then in N2It under the protection of gas, comes out of the stove and is air-cooled to room temperature, carry out the first time of woollen later
Drawing stretches a diameter of 6-10mm, then the wire rod of first time drawing is carried out intermediate annealing process, annealing temperature 360-420
DEG C, soaking time is 1-2 hours, then is cooled to 240 DEG C hereinafter, then in N with the cooling rate of≤25 DEG C/h2The protection of gas
Under, it comes out of the stove and is air-cooled to room temperature, then wire rod is carried out second and is stretched, be stretched to a diameter of 1-3mm；
（7）It cleaned, sheared, aligned, examined and is packed i.e. finally by the aluminium alloy conductor material after drawing twice
It can.
2. a kind of aluminium alloy conductor material according to claim 1, which is characterized in that by the ingredient of following weight percent
Composition：Cu 0.44%,Fe 0.31%,Si 0.31%,P 0.21%,Ca 0.19%,K 0.18%,Mo 0.12%,Co 0.12%,Mn
0.10%, Cr 0.09%, Sn0.06%, Ti0.06%, Zn 0.05%, surplus are Al and inevitable impurity, and the impurity
Contained weight percent≤0.05%.
3. a kind of aluminium alloy conductor material according to claim 1, which is characterized in that the smelting temperature of the smelting furnace is
700-740 DEG C, smelting time is 3-4 hours.
4. a kind of aluminium alloy conductor material according to claim 1, which is characterized in that the time of repose is 1-2 hours.
5. a kind of aluminium alloy conductor material according to claim 1, which is characterized in that the casting temperature is 640-680
DEG C, casting speed 115-125mm/min, cooling water temperature be 15-25 DEG C, cooling water intensity is 0.11-0.13MPa.
6. a kind of aluminium alloy conductor material according to claim 1, which is characterized in that the temperature of the homogenizing annealing processing
Degree is set as 350-450 DEG C, and soaking time is 2-3 hours.
7. a kind of aluminium alloy conductor material according to claim 1, which is characterized in that the pressure of the extrusion process is
650-850MPa, temperature are 360-420 DEG C.
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| CN107227420A (en) * | 2017-06-27 | 2017-10-03 | 合肥达户电线电缆科技有限公司 | A kind of alloy wiring and preparation method thereof |
| CN107267819A (en) * | 2017-07-04 | 2017-10-20 | 合肥市大卓电力有限责任公司 | It is a kind of for alloy material of electric wire and preparation method thereof |
| CN107267793A (en) * | 2017-07-04 | 2017-10-20 | 合肥市大卓电力有限责任公司 | A kind of preparation method of aluminum alloy wire |
| CN107326233A (en) * | 2017-07-04 | 2017-11-07 | 合肥市大卓电力有限责任公司 | Aluminum alloy materials for manufacturing power cable connection gold utensil and preparation method thereof |
| CN107236880A (en) * | 2017-08-02 | 2017-10-10 | 合肥尚涵装饰工程有限公司 | A kind of high-conductivity aluminum alloy wire and preparation method thereof |
| CN108735383A (en) * | 2018-05-17 | 2018-11-02 | 合肥浦尔菲电线科技有限公司 | A kind of preparation method of rubber and metal composite flexible wire |
| CN110512125B (en) * | 2019-08-30 | 2020-09-22 | 中国航发北京航空材料研究院 | Preparation method of diameter aluminum-lithium alloy wire for additive manufacturing |
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| CN103667827B (en) * | 2014-01-16 | 2015-07-29 | 徐茂航 | A kind of preparation method of aluminum alloy plate materials |
| CN106222462A (en) * | 2016-08-17 | 2016-12-14 | 任静儿 | A kind of aluminium alloy material preparation method for material of heat exchanger |
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