CN108315603A - A kind of cable aluminium alloy conductor and preparation method thereof - Google Patents
A kind of cable aluminium alloy conductor and preparation method thereof Download PDFInfo
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C1/00—Making non-ferrous alloys
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- C—CHEMISTRY; METALLURGY
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- C22C—ALLOYS
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- C22C1/03—Making non-ferrous alloys by melting using master alloys
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- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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- 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
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Abstract
The invention discloses a kind of cable aluminium alloy conductors and preparation method thereof, are related to wires and cables industry technical field, which includes following element：Silicon, boron, manganese, copper, magnesium, zinc, antimony, strontium, lithium, calcium, rare and scatter element and rare earth element, remaining is aluminium and inevitable impurity.Preparation method be by the melting of the raw material of industry, refining, casting rolling and wire drawing timeliness and etc. it is obtained.The aluminium alloy conductor of the present invention prepares simple and convenient, pass through the proportion optimizing to elemental composition and technological parameter, make its final alloy conducting wire obtained that there are the performances such as excellent conductivity, heat-resisting quantity, creep resistance, elongation percentage and mechanical strength, and physicochemical property is stablized, corrosion resistance and good, suitable for meeting complicated rough ambient natural environment, service life is long.
Description
Technical field
The present invention relates to wires and cables industry technical fields, and in particular to a kind of cable aluminium alloy conductor and its preparation side
Method.
Background technology
The electric wires such as electric wire mostly use copper conductor because of the problem of conductivity at present, but due to copper resource anxiety, copper
Valence is high, and copper conductor accounts for about the 70% of copper cable cost, and the cost for manufacturing copper cable is too big, but uses fine aluminium, long-term to transport
Larger creep occurs after row or current overload, causes contact resistance too big, easily causes accident, and bending property is bad, Yi Kai
It splits or fractures, it is same easily to cause accident.
Occur the various aluminium alloy conductor wires for cable currently on the market, but still complexity cannot be met
Rough ambient natural environment, the needs of high temperature, sleet, frost and remote wealthy extra large stringing etc., still needs to further improve it
Comprehensive performance.And at home, production technology, properties of product, large span aerial cable line application technology are equal to external compare and also deposit
In larger gap, with the continuous growth of Electricity Demand, transmission line of electricity transmission capacity constantly increases, to overhead power transmission cable
More stringent requirements are proposed for line, develops the aluminium alloy conductor wire of a kind of cable high strength ＆ high electric-conduction, high comprehensive performance
Quite it is necessary to.
Invention content
For problems of the prior art, the present invention provides a kind of cable aluminium alloy conductor and its preparation sides
Method, this kind of aluminium alloy conductor prepare it is simple and convenient, by the proportion optimizing to elemental composition and technological parameter, keep it obtained at
Product alloy lead wire has the performances such as excellent conductivity, heat-resisting quantity, creep resistance, elongation percentage and mechanical strength.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of cable aluminium alloy conductor, including following element by weight percentage：Silicon 0.48-0.60%, boron
0.08-0.16%, manganese 0.73-0.95%, copper 2.10-3.24%, magnesium 0.2-0.3%, zinc 0.10-0.22%, antimony 0.08-
0.12%, strontium 0.03-0.05%, lithium 3.30-4.15%, calcium 0.15-0.25%, rare and scatter element 0.16-0.22% and rare earth member
Plain 0.06-0.10%, remaining is aluminium and inevitable impurity, impurity content≤0.03%；
Above-mentioned rare and scatter element includes following element by weight percentage：Gallium 26.4%, indium 19.1%, 20.5% and of thallium
Germanium 34.0%；
Above-mentioned rare earth element includes following element by weight percentage：Lanthanum 25.2%, cerium 27.3%, 22.8% and of neodymium
Scandium 24.7%.
Further, above-mentioned alloy lead wire includes following element by weight percentage：Silicon 0.54%, boron
0.12%, manganese 0.84%, copper 2.67%, magnesium 0.25%, zinc 0.16%, antimony 0.10%, strontium 0.04%, lithium 3.71%, calcium
0.20%, rare and scatter element 0.19% and rare earth element 0.08%, remaining is aluminium and inevitable impurity, the impurity content≤
0.01%.
A kind of preparation method of above-mentioned cable aluminium alloy conductor, follows the steps below：
(1) following raw material is prepared by weight：100-120 parts of aluminium ingot, 0.1-0.15 parts of boron aluminium alloy ingots, Al-Mg-Mn close
0.8-1.0 parts of ingot, 2-3.5 parts of ormolu ingot, 0.05-0.15 parts of antimony slab, 0.02-0.06 parts of al-sr alloy ingot, aluminium lithium close
3.2-4.2 parts of ingot, 0.5-0.6 parts of calcium-silicon ingot, 0.03-0.04 parts of aluminum gallium alloy ingot, aluminium indium alloy ingot 0.02-0.03
Part, 0.02-0.03 parts of aluminium thallium alloy ingot, 0.04-0.05 parts of aluminium germanium alloy ingot, 0.01-0.02 parts of aluminium lanthanum alloy ingot, aluminium cerium alloy
0.01-0.02 parts of 0.01-0.02 parts of ingot, 0.01-0.02 parts of aluminium neodymium alloy ingot and aluminium-scandium alloy ingot；
(2) melting
Stage one：First aluminium ingot is delivered in electric furnace, waits for that it is all melted, keeps the temperature 50-60min；Stage two：Again by boron aluminium
Alloy pig, Al-Mg-Mn alloy ingot, ormolu ingot, antimony slab, al-sr alloy ingot, aluminium lithium alloy ingot and calcium-silicon ingot are delivered to electricity
Melting in stove waits for that it is all melted, keeps the temperature 40-50min；Stage three：Surplus stock is delivered to melting in electric furnace later, waits for it
All fusings keep the temperature 1.5-2.5h；
(3) it refines：Refining agent is put into electric furnace using argon gas or nitrogen, then refined and is stirred, is refined
End is skimmed, and 25-35min is kept the temperature after skimming, and the quickly analysis of stokehold chemistry is carried out to molten aluminum, according to each in formula after analysis
The weight percent of component adjusts molten aluminum component, and appropriate feed supplement is carried out to molten aluminum；
(4) casting rolling：Alloy molten solution after refining is cast into cast bar, cast bar is placed on hot-rolling mill and is rolled into aluminium alloy
Line base；
(5) wire drawing timeliness：According to the diameter of section size of required conducting wire, aluminium alloy wire base is drawn into wire drawing machine needed for
Aluminium alloy conductor is finally placed in progress heat aging processing in aging furnace, is examined after furnace cooling by the aluminium alloy conductor of diameter of section
Survey conducting wire performance.
Further, in step (2), the smelting temperature in stage one is controlled at 690-720 DEG C；The smelting temperature control in stage two
System is at 940-980 DEG C；The smelting temperature in stage three is controlled at 1020-1100 DEG C；The heating rate of electric furnace be set as 10-20 DEG C/
min。
Further, in step (3), speed of agitator is controlled in 60-70r/min, and mixing time is set as 50-60min.
Further, in step (3), above-mentioned refining agent uses alum powder, cryolite powder, nano-silicon nitride and potassium chloride
The mixture of composition, and the mass ratio of its ingredient is 2:2:1:1, refining agent input amount is the 0.8-1.2% of alloy molten solution quality.
Further, in step (4), casting temperature is controlled at 640-660 DEG C, and casting speed is set as 125-135mm/
min。
Further, in step (5), heat aging processing first keeps the temperature 1-2h in the aging furnace that temperature is 480-520 DEG C, then
Heat aging temperature is down to 320-360 DEG C with the rate of temperature fall of 10 DEG C/min, keeps the temperature 40-50min.
The present invention has following advantageous effect：
(1) cable of the invention is simple and convenient with aluminium alloy conductor preparation process, passes through melting stage by stage to raw materials for production
Refining, facilitates matrix to combine, accelerates production efficiency, further through to melting, refining, casting rolling and wire drawing aging sequence parameter
Optimization, improve the structure and as-cast structure of alloy, enhance the compactness, stability and physics and chemistry of alloy material
Energy；
(2) aluminium alloy conductor density of the invention is small, and light weight reduces about compared to traditional copper alloy wire density value
4 times or so, about 4-8% is reduced compared to existing aluminium alloy conductor density value, reduces the physical burden to cable testing bridge, it is right
There is positive advantageous meaning in the application of overhead power transmission cable；
(3) aluminium alloy conductor of the invention makes its final alloy conducting wire obtained by the proportion optimizing to elemental composition
With the performances such as excellent conductivity, heat-resisting quantity, creep resistance, elongation percentage and mechanical strength, after testing, final alloy
The conductivity minimum of conducting wire is 65.3% or more；The tensile strength minimum of hard state alloy lead wire is 182MPa, and elongation percentage is most
Low value is 33%, and physicochemical property is stablized, corrosion resistance and good, suitable for meeting complicated rough ambient natural environment, service life
It is long；
(4) rare earth element is added in alloy lead wire ingredient of the invention, can degasification effectively be played to alloy molten solution, is taken off
Nitrogen, the effect for slag making, neutralizing micro low-melting impurities, changing impurity state so that aluminium alloy conductor purifies, and improves finished product conjunction
The conductivity and corrosion resistance of golden conducting wire；
(5) subtracted that the fusing points such as traditional chromium, nickel, iron, titanium, zirconium are high, density is big, valence in alloy lead wire ingredient of the invention
The expensive element of lattice reduces production cost.
Specific implementation mode
The specific implementation mode of the present invention is further described with reference to embodiment, following embodiment is only used for more
Technical scheme of the present invention is clearly demonstrated, and not intended to limit the protection scope of the present invention.
Embodiment 1
A kind of preparation method of cable aluminium alloy conductor, follows the steps below：
(1) following raw material is weighed：Aluminium ingot 100kg, boron aluminium alloy ingots 0.1kg, Al-Mg-Mn alloy ingot 0.8kg, ormolu
Ingot 2kg, antimony slab 0.05kg, al-sr alloy ingot 0.02kg, aluminium lithium alloy ingot 3.2kg, calcium-silicon ingot 0.5kg, aluminum gallium alloy ingot
0.03kg, aluminium indium alloy ingot 0.02kg, aluminium thallium alloy ingot 0.02kg, aluminium germanium alloy ingot 0.04kg, aluminium lanthanum alloy ingot 0.01kg, aluminium
Cerium alloy ingot 0.01kg, aluminium neodymium alloy ingot 0.01kg and aluminium-scandium alloy ingot 0.01kg；
(2) melting (heating rate is set in 10 DEG C/min)
Stage one：First aluminium ingot is delivered in electric furnace, control smelting temperature waits for that it is all melted, heat preservation at 690 DEG C
50min；
Stage two：Boron aluminium alloy ingots, Al-Mg-Mn alloy ingot, ormolu ingot, antimony slab, al-sr alloy ingot, aluminium lithium are closed again
Ingot and calcium-silicon ingot are delivered to melting in electric furnace, and control smelting temperature waits for that it is all melted, keep the temperature 40min at 940 DEG C；
Stage three：Surplus stock is delivered to melting in electric furnace later, control smelting temperature waits for that it is all molten at 1020 DEG C
Change, keeps the temperature 1.5h；
(3) it refines：Refining agent is put into electric furnace using argon gas, is then refined and is stirred, speed of agitator control
In 60r/min, mixing time is set as 50min, and refining terminates to skim, and 25min is kept the temperature after skimming, and stokehold is carried out to molten aluminum
Chemical quickly analysis, adjustment molten aluminum component are as shown in table 1 below；
Above-mentioned refining agent using alum powder, cryolite powder, nano-silicon nitride and potassium chloride composition mixture, and its at
The mass ratio divided is 2:2:1:1, refining agent input amount is the 0.8% of alloy molten solution quality；
Table 1
(4) casting rolling：Alloy molten solution after refining is cast into cast bar, casting temperature is controlled at 640 DEG C, and casting speed is set
It is set to 125mm/min, cast bar is placed on hot-rolling mill is rolled into aluminium alloy wire base later；
(5) wire drawing timeliness：Aluminium alloy wire base is drawn into the aluminium alloy conductor of 1.38mm with wire drawing machine, finally by aluminium alloy
Conducting wire is placed in progress heat aging processing in aging furnace, specifically first keeps the temperature 1h in the aging furnace that temperature is 480 DEG C, then with 10
DEG C/heat aging temperature is down to 320 DEG C by the rate of temperature fall of min, 40min is kept the temperature, conducting wire performance, such as following table are detected after furnace cooling
Shown in 4.
Embodiment 2
A kind of preparation method of cable aluminium alloy conductor, follows the steps below：
(1) following raw material is weighed：Aluminium ingot 110kg, boron aluminium alloy ingots 0.12kg, Al-Mg-Mn alloy ingot 0.9kg, ormolu
Ingot 3kg, antimony slab 0.1kg, al-sr alloy ingot 0.04kg, aluminium lithium alloy ingot 3.7kg, calcium-silicon ingot 0.55kg, aluminum gallium alloy ingot
0.035kg, aluminium indium alloy ingot 0.025kg, aluminium thallium alloy ingot 0.025kg, aluminium germanium alloy ingot 0.045kg, aluminium lanthanum alloy ingot
0.015kg, aluminium cerium alloy ingot 0.015kg, aluminium neodymium alloy ingot 0.015kg and aluminium-scandium alloy ingot 0.015kg；
(2) melting (heating rate is set in 15 DEG C/min)
Stage one：First aluminium ingot is delivered in electric furnace, control smelting temperature waits for that it is all melted, heat preservation at 710 DEG C
55min；
Stage two：Boron aluminium alloy ingots, Al-Mg-Mn alloy ingot, ormolu ingot, antimony slab, al-sr alloy ingot, aluminium lithium are closed again
Ingot and calcium-silicon ingot are delivered to melting in electric furnace, and control smelting temperature waits for that it is all melted, keep the temperature 45min at 960 DEG C；
Stage three：Surplus stock is delivered to melting in electric furnace later, control smelting temperature waits for that it is all molten at 1060 DEG C
Change, keeps the temperature 2h；
(3) it refines：Refining agent is put into electric furnace using nitrogen, is then refined and is stirred, speed of agitator control
In 65r/min, mixing time is set as 55min, and refining terminates to skim, and 30min is kept the temperature after skimming, and stokehold is carried out to molten aluminum
Chemical quickly analysis, adjustment molten aluminum component are as shown in table 2 below；
Above-mentioned refining agent using alum powder, cryolite powder, nano-silicon nitride and potassium chloride composition mixture, and its at
The mass ratio divided is 2:2:1:1, refining agent input amount is the 1% of alloy molten solution quality；
Table 2
(4) casting rolling：Alloy molten solution after refining is cast into cast bar, casting temperature is controlled at 650 DEG C, and casting speed is set
It is set to 130mm/min, cast bar is placed on hot-rolling mill is rolled into aluminium alloy wire base later；
(5) wire drawing timeliness：Aluminium alloy wire base is drawn into the aluminium alloy conductor of 1.78mm with wire drawing machine, finally by aluminium alloy
Conducting wire is placed in progress heat aging processing in aging furnace, specifically first keeps the temperature 1.5h in the aging furnace that temperature is 500 DEG C, then with 10
DEG C/heat aging temperature is down to 340 DEG C by the rate of temperature fall of min, 45min is kept the temperature, conducting wire performance, such as following table are detected after furnace cooling
Shown in 4.
Embodiment 3
A kind of preparation method of cable aluminium alloy conductor, follows the steps below：
(1) following raw material is weighed：Aluminium ingot 120kg, boron aluminium alloy ingots 0.15kg, Al-Mg-Mn alloy ingot 1.0kg, ormolu
Ingot 3.5kg, antimony slab 0.15kg, al-sr alloy ingot 0.06kg, aluminium lithium alloy ingot 4.2kg, calcium-silicon ingot 0.6kg, aluminum gallium alloy
Ingot 0.04kg, aluminium indium alloy ingot 0.03kg, aluminium thallium alloy ingot 0.03kg, aluminium germanium alloy ingot 0.05kg, aluminium lanthanum alloy ingot 0.02kg,
Aluminium cerium alloy ingot 0.02kg, aluminium neodymium alloy ingot 0.02kg and aluminium-scandium alloy ingot 0.02kg；
(2) melting (heating rate is set in 20 DEG C/min)
Stage one：First aluminium ingot is delivered in electric furnace, control smelting temperature waits for that it is all melted, heat preservation at 720 DEG C
60min；
Stage two：Boron aluminium alloy ingots, Al-Mg-Mn alloy ingot, ormolu ingot, antimony slab, al-sr alloy ingot, aluminium lithium are closed again
Ingot and calcium-silicon ingot are delivered to melting in electric furnace, and control smelting temperature waits for that it is all melted, keep the temperature 50min at 980 DEG C；
Stage three：Surplus stock is delivered to melting in electric furnace later, control smelting temperature waits for that it is all molten at 1100 DEG C
Change, keeps the temperature 2.5h；
(3) it refines：Refining agent is put into electric furnace using argon gas or nitrogen, then refined and is stirred, is stirred
Rotating speed is controlled in 70r/min, and mixing time is set as 60min, and refining terminates to skim, and 35min is kept the temperature after skimming, to molten aluminum
The quickly analysis of stokehold chemistry is carried out, adjustment molten aluminum component is as shown in table 3 below；
Above-mentioned refining agent using alum powder, cryolite powder, nano-silicon nitride and potassium chloride composition mixture, and its at
The mass ratio divided is 2:2:1:1, refining agent input amount is the 1.2% of alloy molten solution quality；
Table 3
(4) casting rolling：Alloy molten solution after refining is cast into cast bar, casting temperature is controlled at 660 DEG C, and casting speed is set
It is set to 135mm/min, cast bar is placed on hot-rolling mill is rolled into aluminium alloy wire base later；
(5) wire drawing timeliness：Aluminium alloy wire base is drawn into the aluminium alloy conductor of 2.5mm with wire drawing machine, finally by aluminium alloy
Conducting wire is placed in progress heat aging processing in aging furnace, specifically first keeps the temperature 2h in the aging furnace that temperature is 520 DEG C, then with 10
DEG C/heat aging temperature is down to 360 DEG C by the rate of temperature fall of min, 50min is kept the temperature, conducting wire performance, such as following table are detected after furnace cooling
Shown in 4.
Above-described embodiment 1-3 is made aluminium alloy conductor correlated performance and see the table below shown in 4；
Table 4
| Group | Density (g/cm3) | Conductivity (%) | Tensile strength (MPa) | Elongation percentage (%) |
| Embodiment 1 | 2.83 | 65.4 | 182 | 33 |
| Embodiment 2 | 2.78 | 65.6 | 190 | 33 |
| Embodiment 3 | 2.81 | 65.4 | 185 | 34 |
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 (8)
1. a kind of cable aluminium alloy conductor, which is characterized in that including following element by weight percentage：Silicon 0.48-
0.60%, boron 0.08-0.16%, manganese 0.73-0.95%, copper 2.10-3.24%, magnesium 0.2-0.3%, zinc 0.10-0.22%, antimony
0.08-0.12%, strontium 0.03-0.05%, lithium 3.30-4.15%, calcium 0.15-0.25%, rare and scatter element 0.16-0.22% and dilute
Earth elements 0.06-0.10%, remaining is aluminium and inevitable impurity, impurity content≤0.03%；
The rare and scatter element includes following element by weight percentage：Gallium 26.4%, indium 19.1%, thallium 20.5% and germanium
34.0%；
The rare earth element includes following element by weight percentage：Lanthanum 25.2%, cerium 27.3%, neodymium 22.8% and scandium
24.7%.
2. a kind of cable aluminium alloy conductor according to claim 1, which is characterized in that including it is following by weight percentage
The element of meter：Silicon 0.54%, boron 0.12%, manganese 0.84%, copper 2.67%, magnesium 0.25%, zinc 0.16%, antimony 0.10%, strontium
0.04%, lithium 3.71%, calcium 0.20%, rare and scatter element 0.19% and rare earth element 0.08%, remaining is for aluminium and inevitably
Impurity, impurity content≤0.01%.
3. a kind of preparation method of cable aluminium alloy conductor as described in claims 1 or 2 any one, which is characterized in that
Include the following steps：
(1) following raw material is prepared by weight：100-120 parts of aluminium ingot, 0.1-0.15 parts of boron aluminium alloy ingots, Al-Mg-Mn alloy ingot
0.8-1.0 parts, 2-3.5 parts of ormolu ingot, 0.05-0.15 parts of antimony slab, 0.02-0.06 parts of al-sr alloy ingot, aluminium lithium alloy ingot
3.2-4.2 parts, 0.5-0.6 parts of calcium-silicon ingot, 0.03-0.04 parts of aluminum gallium alloy ingot, 0.02-0.03 parts of aluminium indium alloy ingot, aluminium
0.02-0.03 parts of thallium alloy ingot, 0.04-0.05 parts of aluminium germanium alloy ingot, 0.01-0.02 parts of aluminium lanthanum alloy ingot, aluminium cerium alloy ingot
0.01-0.02 parts of 0.01-0.02 parts, 0.01-0.02 parts of aluminium neodymium alloy ingot and aluminium-scandium alloy ingot；
(2) melting
Stage one：First aluminium ingot is delivered in electric furnace, waits for that it is all melted, keeps the temperature 50-60min；Stage two：Again by boron aluminium alloy
Ingot, Al-Mg-Mn alloy ingot, ormolu ingot, antimony slab, al-sr alloy ingot, aluminium lithium alloy ingot and calcium-silicon ingot are delivered in electric furnace
Melting waits for that it is all melted, keeps the temperature 40-50min；Stage three：Surplus stock is delivered to melting in electric furnace later, waits for its whole
Fusing keeps the temperature 1.5-2.5h；
(3) it refines：Refining agent is put into electric furnace using argon gas or nitrogen, then refined and is stirred, refining terminates
It skims, 25-35min is kept the temperature after skimming, chemistry quickly analysis in stokehold is carried out to molten aluminum, according to each component in formula after analysis
Weight percent adjust molten aluminum component, appropriate feed supplement is carried out to molten aluminum；
(4) casting rolling：Alloy molten solution after refining is cast into cast bar, cast bar is placed on hot-rolling mill and is rolled into aluminium alloy wire
Base；
(5) wire drawing timeliness：According to the diameter of section size of required conducting wire, aluminium alloy wire base is drawn into required section with wire drawing machine
The aluminium alloy conductor of diameter, is finally placed in progress heat aging processing in aging furnace by aluminium alloy conductor, detects and leads after furnace cooling
Linear energy.
4. a kind of preparation method of cable aluminium alloy conductor according to claim 3, which is characterized in that the step
(2) in, the smelting temperature in stage one is 690-720 DEG C；The smelting temperature in stage two is 940-980 DEG C；The melting temperature in stage three
Degree is 1020-1100 DEG C；The heating rate of electric furnace is 10-20 DEG C/min.
5. a kind of preparation method of cable aluminium alloy conductor according to claim 3, which is characterized in that in step (3),
The speed of agitator is 60-70r/min, mixing time 50-60min.
6. a kind of preparation method of cable aluminium alloy conductor according to claim 3, which is characterized in that in step (3),
The refining agent is the mixture of alum powder, cryolite powder, nano-silicon nitride and potassium chloride composition, and the mass ratio of its ingredient is
2:2:1:1, refining agent input amount is the 0.8-1.2% of alloy molten solution quality.
7. a kind of preparation method of cable aluminium alloy conductor according to claim 3, which is characterized in that the step
(4) in, casting temperature is 640-660 DEG C, casting speed 125-135mm/min.
8. a kind of preparation method of cable aluminium alloy conductor according to claim 3, which is characterized in that the step
(5) in, heat aging processing first keeps the temperature 1-2h in the aging furnace that temperature is 480-520 DEG C, then with the rate of temperature fall of 10 DEG C/min
Heat aging temperature is down to 320-360 DEG C, keeps the temperature 40-50min.
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| CN109585052A (en) * | 2018-11-26 | 2019-04-05 | 广西平果博导铝镁线缆有限公司 | A kind of electromagnetic shielding almag cable |
| CN109859898A (en) * | 2018-11-26 | 2019-06-07 | 广西平果博导铝镁线缆有限公司 | A kind of company of electromagnetic shielding aluminum-magnesium alloy wire two pulling method |
| CN112037969A (en) * | 2020-08-27 | 2020-12-04 | 远东电缆有限公司 | Aluminum alloy cable for new energy automobile and production process |
| CN113192693A (en) * | 2021-04-28 | 2021-07-30 | 江苏国嘉导体技术科技有限公司 | Production method of flexible aluminum alloy photovoltaic conductor |
| CN115011821A (en) * | 2022-04-25 | 2022-09-06 | 昆明理工大学 | A kind of high-conductivity aluminum-based alloy and preparation method thereof |
| CN115627392A (en) * | 2022-11-11 | 2023-01-20 | 宁波工程学院 | A kind of aluminum alloy material and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109585052A (en) * | 2018-11-26 | 2019-04-05 | 广西平果博导铝镁线缆有限公司 | A kind of electromagnetic shielding almag cable |
| CN109859898A (en) * | 2018-11-26 | 2019-06-07 | 广西平果博导铝镁线缆有限公司 | A kind of company of electromagnetic shielding aluminum-magnesium alloy wire two pulling method |
| CN112037969A (en) * | 2020-08-27 | 2020-12-04 | 远东电缆有限公司 | Aluminum alloy cable for new energy automobile and production process |
| CN113192693A (en) * | 2021-04-28 | 2021-07-30 | 江苏国嘉导体技术科技有限公司 | Production method of flexible aluminum alloy photovoltaic conductor |
| CN115011821A (en) * | 2022-04-25 | 2022-09-06 | 昆明理工大学 | A kind of high-conductivity aluminum-based alloy and preparation method thereof |
| CN115627392A (en) * | 2022-11-11 | 2023-01-20 | 宁波工程学院 | A kind of aluminum alloy material and preparation method thereof |
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