CN106834836A - 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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- CN106834836A CN106834836A CN201710174639.5A CN201710174639A CN106834836A CN 106834836 A CN106834836 A CN 106834836A CN 201710174639 A CN201710174639 A CN 201710174639A CN 106834836 A CN106834836 A CN 106834836A
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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
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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
- C22F1/02—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
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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
- C22F1/057—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
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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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Abstract
The invention discloses a kind of aluminium alloy conductor material and its production technology, the aluminium alloy conductor is by following percetage by weight into being grouped into：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.Production technology is to stand casting homogenizing annealing of skimming by melting to material composition and process extruding woollen to be drawn into silk, finally by cleaning, shearing, aligning, inspection and is packed, and aluminium alloy conductor finished material of the invention is just obtained.Aluminium alloy conductor material of the invention is compared with existing aluminium alloy conductor material, with higher intensity and more excellent conductive capability, its tensile strength is measured through scientific research department's long-term experiment reach 283Mpa, conductance can reach 62.7%IACS, its heat-resisting long performance can be in normal work under 240 DEG C of states more than 2 years, and corrosion resistance is strong, low cost, lightweight, production are easy, suitable outdoor power transmission.
Description
Technical field
The present invention relates to alloy wire manufacturing technology field, 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 the conductance of aluminium (is 100% with fine copper for about the 2/3 of copper
During the benchmark of IACS, fine aluminium is for about 66%IACS).Therefore, in order that being flowed 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, here it is the advantage of aluminium.It is and intensity, anti-fatigue performance, toughness of fine aluminium etc. is low compared with copper therefore pure
Aluminium can not be used individually as wire, particularly in the less field in section for requiring wire.In the prior art, closed using aluminium
Wire is very universal to have manufactured for gold, or even can just find to have Al-alloy products and wire on the periphery of the ordinary life of people
Have that density is low, intensity is high, plasticity good in the presence of, this aluminum alloy materials for being primarily due to have admixed other elements, excellent lead
Electrically, the characteristic 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 its usage amount is only second to steel.And admix aluminium alloy element generally include iron, magnesium, silicon, manganese,
Chromium, titanium, nickel, copper etc..
Aluminium alloy wires as wire wire rod one kind, with superior electric conductivity, corrosion resistance, lightweight 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 develops a kind of aluminium alloy wires, is made it have higher
Intensity, excellent electric conductivity, heat resistant and wear resistant and life-span speciality high are particularly important, and the aluminium alloy of this constantly improve
Wire rod is significant to energy resource consumption.
The content of the invention
The purpose of the present invention is directed to the deficiencies in the prior art, there is provided a kind of aluminium alloy conductor material and its production technology,
The aluminium alloy wires intensity is high, 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 percetage by weight into being grouped into：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 is Al and inevitable impurity.
Further, the aluminium alloy conductor material by following percetage by weight into being grouped into：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 is Al and inevitable impurity, and percetage by weight contained by the impurity
≤0.05%。
A kind of production technology of aluminium alloy conductor material of the invention, comprises the following steps：
（1）Material composition is taken according to the above ratio, is delivered to melting treatment in dry smelting furnace；
（2）It is stirred well to melting down, is skimmed after standing, obtains aluminium alloy solution；
（3）Casting is carried out to the aluminium alloy solution and is made φ 105-125mm bars；
（4）Homogenizing annealing treatment is carried out to rods and bars of aluminium alloy after casting；
（5）Rods and bars of aluminium alloy after homogenizing annealing is processed carries out extrusion process in being put into extruder, and wire rod woollen is obtained；
（6）1-2 hours is incubated under the conditions of being 360-420 DEG C in temperature by obtained wire rod woollen, then with the cooling of≤20 DEG C/h
Speed is cooled to less than 250 DEG C, then in N2Under the protection of gas, come out of the stove and be air cooled to room temperature, the first time of woollen is carried out afterwards
Drawing, stretches a diameter of 6-10mm, then the wire rod of first time drawing is carried out into intermediate annealing process, and annealing temperature is 360-420
DEG C, soaking time is 1-2 hours, then is cooled to less than 240 DEG C with the cooling rate of≤25 DEG C/h, then in N2The protection of gas
Under, come out of the stove and be air cooled to room temperature, then wire rod is carried out into second stretching, it is stretched to a diameter of 1-3mm；
（7）Cleaned, sheared, aligned, checked and packed finally by the aluminium alloy conductor material after drawing twice, just
Aluminium alloy conductor finished material of the invention is obtained.
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 be 115-125mm/min, cooling water temperature be 15-
25 DEG C, cooling water intensity be 0.11-0.13MPa.
Preferably, the temperature of the homogenizing annealing treatment 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.
Aluminium alloy conductor material of the invention compared with existing aluminium alloy conductor material, with higher intensity and more excellent
Electric conductivity, measures its tensile strength and reaches 283Mpa through scientific research department's long-term experiment, and conductance can reach 62.7%IACS, and its is resistance to
Hot performance long can be in normal work under 240 DEG C of states more than 2 years, and corrosion resistance is strong, low cost, lightweight, production are easy,
Suitable outdoor power transmission.
Specific embodiment
With reference to embodiment, the invention will be further described.
Embodiment 1
First, wire rod composition
A kind of aluminium alloy conductor material, by following percetage by weight into being grouped into：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%、Sn0.05%、Ti0.04%、
Zn 0.04%, surplus is Al and inevitable impurity, and percetage by weight≤0.05% contained by the impurity.
2nd, production technology
The production technology of aluminium alloy conductor material of the invention, follows the steps below：
（1）Take material composition according to the above ratio, be delivered to melting treatment in dry smelting furnace, wherein, the smelting furnace it is molten
Refining temperature is 700 DEG C, and smelting time is 4 hours；
（2）Be stirred well to it is melting down, stand 1 hour after skimmed, obtain aluminium alloy solution；
（3）Casting is carried out to the aluminium alloy solution and is made φ 105mm bars, wherein, 640 DEG C of the casting temperature, casting speed
Spend for 115mm/min, cooling water temperature be 15 DEG C, cooling water intensity be 0.11MPa；
（4）Homogenizing annealing treatment is carried out to rods and bars of aluminium alloy after casting, wherein, the temperature setting of the homogenizing annealing treatment
It it is 350 DEG C, soaking time is 3 hours；
（5）Rods and bars of aluminium alloy after homogenizing annealing is processed carries out extrusion process in being put into extruder, and wire rod woollen is obtained, its
In, the pressure of the extrusion process is 650MPa, and temperature is 420 DEG C；
（6）2 hours are incubated under the conditions of being 360 DEG C in temperature by obtained wire rod woollen, then it is cold with the cooling rate of≤20 DEG C/h
But to less than 250 DEG C, then in N2Under the protection of gas, come out of the stove and be air cooled to room temperature, the first time drawing of woollen is carried out afterwards, draw
A diameter of 6mm is stretched, then the wire rod of first time drawing is carried out into intermediate annealing process, annealing temperature is 360 DEG C, and soaking time is 2
Hour, then less than 240 DEG C are cooled to the cooling rate of≤25 DEG C/h, then in N2Under the protection of gas, come out of the stove and be air cooled to room
Temperature, then wire rod is carried out into second stretching, it is stretched to a diameter of 1mm；
（7）Cleaned, sheared, aligned, checked and packed finally by the aluminium alloy conductor material after drawing twice, just
Aluminium alloy conductor finished material of the invention is obtained.
3rd, performance detection：Tensile strength reaches 270Mpa, and conductance can reach 62.1%IACS, and its heat-resisting long performance can
The normal work more than 2 years under 240 DEG C of states.
Embodiment 2
First, wire rod composition
A kind of aluminium alloy conductor material, by following percetage by weight into being grouped into：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%、Sn0.06%、Ti0.06%、
Zn 0.05%, surplus is Al and inevitable impurity, and percetage by weight≤0.05% contained by the impurity.
2nd, production technology
The production technology of aluminium alloy conductor material of the invention, follows the steps below：
（1）Take material composition according to the above ratio, be delivered to melting treatment in dry smelting furnace, wherein, the smelting furnace it is molten
Refining temperature is 720 DEG C, and smelting time is 3.5 hours；
（2）Be stirred well to it is melting down, stand 1.5 hours after skimmed, obtain aluminium alloy solution；
（3）Casting is carried out to the aluminium alloy solution and is made φ 115mm bars, wherein, 660 DEG C of the casting temperature, casting speed
Spend for 120mm/min, cooling water temperature be 20 DEG C, cooling water intensity be 0.12MPa；
（4）Homogenizing annealing treatment is carried out to rods and bars of aluminium alloy after casting, wherein, the temperature setting of the homogenizing annealing treatment
It it is 400 DEG C, soaking time is 2.5 hours；
（5）Rods and bars of aluminium alloy after homogenizing annealing is processed carries out extrusion process in being put into extruder, and wire rod woollen is obtained, its
In, the pressure of the extrusion process is 750MPa, and temperature is 390 DEG C；
（6）1.5 hours are incubated under the conditions of being 390 DEG C in temperature by obtained wire rod woollen, then with the cooling rate of≤20 DEG C/h
Less than 250 DEG C are cooled to, then in N2Under the protection of gas, come out of the stove and be air cooled to room temperature, the first time drawing of woollen is carried out afterwards,
A diameter of 8mm is stretched, then the wire rod of first time drawing is carried out into intermediate annealing process, annealing temperature is 390 DEG C, and soaking time is
1.5 hours, then less than 240 DEG C are cooled to the cooling rate of≤25 DEG C/h, then in N2Under the protection of gas, come out of the stove and be air cooled to
Room temperature, then wire rod is carried out into second stretching, it is stretched to a diameter of 2mm；
（7）Cleaned, sheared, aligned, checked and packed finally by the aluminium alloy conductor material after drawing twice, just
Aluminium alloy conductor finished material of the invention is obtained.
3rd, performance detection：Tensile strength reaches 283Mpa, and conductance can reach 62.7%IACS, and its heat-resisting long performance can
The normal work more than 2 years under 240 DEG C of states.
Embodiment 3
First, wire rod composition
A kind of aluminium alloy conductor material, by following percetage by weight into being grouped into：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%、Sn0.07%、Ti0.08%、
Zn 0.06%, surplus is Al and inevitable impurity, and percetage by weight≤0.05% contained by the impurity.
2nd, production technology
The production technology of aluminium alloy conductor material of the invention, follows the steps below：
（1）Take material composition according to the above ratio, be delivered to melting treatment in dry smelting furnace, wherein, the smelting furnace it is molten
Refining temperature is 740 DEG C, and smelting time is 3 hours；
（2）Be stirred well to it is melting down, stand 2 hours after skimmed, obtain aluminium alloy solution；
（3）Casting is carried out to the aluminium alloy solution and is made φ 125mm bars, wherein, 680 DEG C of the casting temperature, casting speed
Spend for 125mm/min, cooling water temperature be 25 DEG C, cooling water intensity be 0.13MPa；
（4）Homogenizing annealing treatment is carried out to rods and bars of aluminium alloy after casting, wherein, the temperature setting of the homogenizing annealing treatment
It it is 450 DEG C, soaking time is 3 hours；
（5）Rods and bars of aluminium alloy after homogenizing annealing is processed carries out extrusion process in being put into extruder, and wire rod woollen is obtained, its
In, the pressure of the extrusion process is 850MPa, and temperature is 420 DEG C；
（6）2 hours are incubated under the conditions of being 420 DEG C in temperature by obtained wire rod woollen, then it is cold with the cooling rate of≤20 DEG C/h
But to less than 250 DEG C, then in N2Under the protection of gas, come out of the stove and be air cooled to room temperature, the first time drawing of woollen is carried out afterwards, draw
A diameter of 10mm is stretched, then the wire rod of first time drawing is carried out into intermediate annealing process, annealing temperature is 420 DEG C, and soaking time is 2
Hour, then less than 240 DEG C are cooled to the cooling rate of≤25 DEG C/h, then in N2Under the protection of gas, come out of the stove and be air cooled to room
Temperature, then wire rod is carried out into second stretching, it is stretched to a diameter of 3mm；
（7）Cleaned, sheared, aligned, checked and packed finally by the aluminium alloy conductor material after drawing twice, just
Aluminium alloy conductor finished material of the invention is obtained.
3rd, performance detection：Tensile strength reaches 272Mpa, and conductance can reach 61.5%IACS, and its heat-resisting long performance can
The normal work more than 2 years under 240 DEG C of states.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, although with reference to foregoing reality
Apply example to be described in detail the present invention, for a person skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent to which part technical characteristic.It is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (8)
1. a kind of aluminium alloy conductor material, it is characterised in that by following percetage by weight into being grouped into：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 is Al and inevitable impurity.
2. a kind of aluminium alloy conductor material according to claim 1, it is characterised in that by the composition of following percetage by weight
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%th, Cr 0.09%, Sn0.06%, Ti0.06%, Zn 0.05%, surplus are Al and inevitable impurity, and the impurity
Contained percetage by weight≤0.05%.
3. the production technology of a kind of aluminium alloy conductor material as described in claim 1-2 is any, it is characterised in that including following
Step：
（1）Material composition is taken according to the above ratio, is delivered to melting treatment in dry smelting furnace；
（2）It is stirred well to melting down, is skimmed after standing, obtains aluminium alloy solution；
（3）Casting is carried out to the aluminium alloy solution and is made φ 105-125mm bars；
（4）Homogenizing annealing treatment is carried out to rods and bars of aluminium alloy after casting；
（5）Rods and bars of aluminium alloy after homogenizing annealing is processed carries out extrusion process in being put into extruder, and wire rod woollen is obtained；
（6）1-2 hours is incubated under the conditions of being 360-420 DEG C in temperature by obtained wire rod woollen, then with the cooling of≤20 DEG C/h
Speed is cooled to less than 250 DEG C, then in N2Under the protection of gas, come out of the stove and be air cooled to room temperature, the first time of woollen is carried out afterwards
Drawing, stretches a diameter of 6-10mm, then the wire rod of first time drawing is carried out into intermediate annealing process, and annealing temperature is 360-420
DEG C, soaking time is 1-2 hours, then is cooled to less than 240 DEG C with the cooling rate of≤25 DEG C/h, then in N2The protection of gas
Under, come out of the stove and be air cooled to room temperature, then wire rod is carried out into second stretching, it is stretched to a diameter of 1-3mm；
（7）Cleaned, sheared, aligned, checked and packed finally by the aluminium alloy conductor material after drawing twice, just
Aluminium alloy conductor finished material of the invention is obtained.
4. the production technology of a kind of aluminium alloy conductor material according to claim 3, it is characterised in that the smelting furnace
Smelting temperature is 700-740 DEG C, and smelting time is 3-4 hours.
5. a kind of production technology of aluminium alloy conductor material according to claim 3, it is characterised in that the time of repose
It is 1-2 hours.
6. a kind of production technology of aluminium alloy conductor material according to claim 3, it is characterised in that the casting temperature
640-680 DEG C, casting speed be 115-125mm/min, cooling water temperature be 15-25 DEG C, cooling water intensity be 0.11-
0.13MPa。
7. the production technology of a kind of aluminium alloy conductor material according to claim 3, it is characterised in that the homogenization is moved back
The temperature of fire treatment is set as 350-450 DEG C, and soaking time is 2-3 hours.
8. a kind of production technology of aluminium alloy conductor material according to claim 3, it is characterised in that the extrusion process
Pressure be 650-850MPa, temperature be 360-420 DEG C.
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| 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 |
| 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 |
| 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 |
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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 |
| 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 |
| 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 |
| 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 |
| CN110512125A (en) * | 2019-08-30 | 2019-11-29 | 中国航发北京航空材料研究院 | A kind of preparation method of the diameter aluminium lithium alloy silk material for increasing material manufacturing |
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| CN106834836B (en) | 2018-11-06 |
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