CN108754262A - A kind of production technology of high-strength aluminum alloy conducting wire - Google Patents
A kind of production technology of high-strength aluminum alloy conducting wire Download PDFInfo
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- CN108754262A CN108754262A CN201810717200.7A CN201810717200A CN108754262A CN 108754262 A CN108754262 A CN 108754262A CN 201810717200 A CN201810717200 A CN 201810717200A CN 108754262 A CN108754262 A CN 108754262A
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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
- C22C21/16—Alloys based on aluminium with copper as the next major constituent with magnesium
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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
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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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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- 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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- 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 production technologies of high-strength aluminum alloy conducting wire, include the following steps：First each raw material is melted in sequence, then is cast, Homogenization Treatments are then carried out；Aluminium ingot after Homogenization Treatments is imported into milling train, aluminium alloy rod is made；Aluminium alloy rod is placed in annealing furnace and is made annealing treatment, then cooled to room temperature；Aluminium alloy rod is sent into the mold of extruder, is squeezed out by extruder, obtains required conductor wire core；The wire core of gained is subjected to ageing treatment to get the high-strength aluminum alloy conducting wire.The high-strength aluminum alloy conducting wire that the production technology of high-strength aluminum alloy conducting wire of the present invention is prepared has higher conductivity, flexibility, and intensity is high, and light-weight, resistance to oxidation is safe to use, and stability is high.
Description
Technical field
The invention belongs to aluminium alloy conductor technical fields, and in particular to a kind of production technology of high-strength aluminum alloy conducting wire.
Background technology
The existing long range in China, Great span overhead transmission line cable be mainly the steel core that is process by fine aluminium conducting wire
The electric energy loss of aluminum stranded conductor, this steel-cored aluminium strand is larger.In order to reduce the electric energy loss of transmission line of electricity, there is an urgent need to develop height
Intensity, high conductivity aluminium alloy conductor manufacture all aluminium alloy twisted wire, instead of traditional steel-cored aluminium strand.But high intensity, height
The production difficulty of conductivity aluminium alloy conductor is larger, the reason is that the intensity and conductivity of aluminium alloy conductor are difficult to reach higher simultaneously
Value.
Literature retrieval is found, in order to improve the intensity of aluminium alloy conductor, the prior art usually add a large amount of Fe,
The member such as Cu, Zn, Zr, Sc, Cr, Ti, Mn usually enhances the intensity of aluminium alloy conductor.But these a large amount of alloying elements of addition
The conductivity that can enable aluminum alloy to conducting wire declines to a great extent, and conductivity is extremely difficult to high value.
The patent of invention of Authorization Notice No. CN104781433B discloses a kind of aluminium alloy conductor, which is characterized in that has
Following composition：Mg：0.1~1.0 mass %, Si：0.1~1.0 mass %, Fe：0.01~1.40 mass %, Ti：0.000~
0.100 mass %, B：0.000~0.030 mass %, Cu：0.00~1.00 mass %, Ag：0.00~0.50 mass %, Au：
0.00~0.50 mass %, Mn：0.00~1.00 mass %, Cr：0.00~1.00 mass %, Zr：0.00~0.50 mass %,
Hf：0.00~0.50 mass %, V：0.00~0.50 mass %, Sc：0.00~0.50 mass %, Co：0.00~0.50 matter
Measure %, Ni：0.00~0.50 mass %, surplus：Al and inevitable impurity, the Mg2Siization that grain size is 0.5~5.0 μm
The tamped density for closing object is 3.0 × 10-3/μm 2 hereinafter, the concentration of the Si and Mg in crystal boundary between the crystal grain of parent phase are equal
Below 2.00 mass %.
Invention content
The present invention provides a kind of production technologies of high-strength aluminum alloy conducting wire, solve asking in above-mentioned background technology
Topic, the high-strength aluminum alloy conducting wire that the production technology of high-strength aluminum alloy conducting wire of the present invention is prepared have higher lead
Electric rate, flexibility, and intensity is high, and light-weight, resistance to oxidation is safe to use, and stability is high.
It is of the existing technology in order to solve the problems, such as, it adopts the following technical scheme that：
A kind of production technology of high-strength aluminum alloy conducting wire, includes the following steps：
（1）Two kinds of raw materials of Al and Ag are proportionally added into melting furnace, are heated to 800~1000 DEG C, insulated and stirred 60~90
Minute；
（2）To step（2）Tetra- kinds of raw materials of Fe, Si, Co and Be are added in the product of gained, are warming up to 1700~1800 DEG C, heat preservation
Then stirring 30~50 minutes is cooled to 1250~1370 DEG C, two kinds of raw materials of Cu and Y, insulated and stirred 20~40 minutes is added；
（3）To step（2）Tri- kinds of raw materials of La, Mg, Sc and Ti are sequentially added in the product of gained, are warming up to 1750~1830 DEG C,
It is stirred 35~55 minutes；
（4）By step（3）The product of gained is cooled to 750~800 DEG C, and refining agent is added and carries out first time refining, is then allowed to stand
It skims, melt is then poured into holding furnace, control melt temperature in holding furnace and carry out addition refining agent at 720~750 DEG C,
It carries out second to refine, skims after standing 30~50 minutes, obtain aluminium alloy melt；
（5）By step（4）The aluminium alloy melt of gained is cast, and aluminium ingot is obtained, and then carries out Homogenization Treatments；
（6）By step（5）Aluminium ingot after Homogenization Treatments imports milling train and aluminium alloy rod is made, and the temperature for importing milling train is 470~
530 DEG C, finishing temperature is 260~300 DEG C；
（7）By step（6）The aluminium alloy rod of gained, which is placed in annealing furnace, to be made annealing treatment, then cooled to room temperature；
（8）Aluminium alloy rod is sent into the mold of extruder, is squeezed out by extruder, obtains required conductor wire core；
（9）By step（8）The wire core of gained carries out ageing treatment to get the high-strength aluminum alloy conducting wire.
Preferably, the mass percentage content of each component is in the high-strength aluminum alloy conducting wire：Ag：0.5~1.2；Fe：
0.6~1.2； Si：0.2~0.4；Co：0.5~0.9；Be：0.06~0.1；Cu：2~6；Y：0.01~0.03；La：0.02~
0.07；Mg：0.2~0.38；Sc：0.4~0.8；Ti：0.39~0.48；Surplus be Al and can not to avoid impurity.
Preferably, the mass percentage content of each component is in the high-strength aluminum alloy conducting wire：Ag：0.7~1.1；Fe：
0.8~1.0； Si：0.26~0.34；Co：0.6~0.8；Be：0.07~0.09；Cu：3~5；Y：0.015~0.024；La：
0.03~0.06；Mg：0.25~0.31；Sc：0.5~0.7；Ti：0.41~0.47；Surplus be Al and can not to avoid it is miscellaneous
Matter.
Preferably, the mass percentage content of each component is in the high-strength aluminum alloy conducting wire：Ag：0.9；Fe：0.9；
Si：0.32；Co：0.7；Be：0.08；Cu：4；Y：0.022；La：0.04；Mg：0.28；Sc：0.6；Ti：0.43；Surplus be Al and
Can not to avoid impurity.
Preferably, the step（4）Middle refining agent is made of Na2SiF6, C2Cl6 and NaF mixing, the Na2SiF6,
The mass ratio of C2Cl6 and NaF is 1:3:0.1.
Preferably, the step（4）The additive amount of middle first time refining, refining agent is the aluminium alloy aluminium alloy melt weight
The 0.05% of amount, second of refining, the additive amount of refining agent are the 0.03% of the aluminium alloy aluminium alloy melt weight.
Preferably, the step（5）The technique of middle Homogenization Treatments is as follows：
It is first placed in 400~500 DEG C of environment, isothermal holding 1~2 hour, then is placed in 520~580 DEG C of environment, isothermal holding 2
It~3 hours, is subsequently placed in 440~490 DEG C of environment, isothermal holding 1~2 hour.
Preferably, the step（6）The time of middle annealing is 3~6 hours, and temperature is 530~570 DEG C.
Preferably, the step（8）The extruded velocity of middle extruder is 20~25m/min.
Preferably, the step（9）The process of middle ageing treatment processing is as follows：
First stage：Aging temperature is 200~230 DEG C, and aging time is 3~5 hours；
Second stage：Aging temperature is 180~200 DEG C, and aging time is 6~9 hours；
Phase III：Aging temperature is 190~210 DEG C, and aging time is 2~4 hours.
Compared with prior art, the present invention it has the advantages that：
The aluminium alloy conductor that the production technology of high-strength high-strength aluminum alloy conducting wire of the present invention is prepared has higher lead
Electric rate, flexibility, and intensity is high, resistance to oxidation, endurance, electric conductivity is strong, than existing conductor thread core aluminium alloy extensibility,
Fatigue resistance, creep resistance are all improved, while it is light-weight, wear-resisting, corrosion-resistant, safe to use, and stability is high, manufacturing cost
It is low, it is specific as follows：
（1）The present invention first melts raw material, casts, Homogenization Treatments, milling train, annealing, squeezing out conducting wire and ageing treatment,
The conducting wire prepared has higher conductivity, flexibility, and intensity is high；
（2）The present invention is added to Cu in the feed, can improve the mechanical strength of electric conductor, improves tensile strength and improves elongation
Rate, the thermal stability of resistance when Cu can also improve high temperature；
（3）The present invention is added to Ag in the feed, can improve the mechanical strength of electric conductor, improves conductivity.
Specific implementation mode
Present invention will be further explained below with reference to specific examples.These embodiments are merely to illustrate the present invention and do not have to
In limiting the scope of the invention.
Embodiment 1
The present embodiment is related to a kind of production technology of high-strength aluminum alloy conducting wire, includes the following steps：
（1）Two kinds of raw materials of Al and Ag are proportionally added into melting furnace, are heated to 800 DEG C, insulated and stirred 60 minutes；
（2）To step（2）Tetra- kinds of raw materials of Fe, Si, Co and Be are added in the product of gained, are warming up to 1700 DEG C, insulated and stirred 30
Minute, 1250 DEG C are then cooled to, two kinds of raw materials of Cu and Y, insulated and stirred 20 minutes is added；
（3）To step（2）Tri- kinds of raw materials of La, Mg, Sc and Ti are sequentially added in the product of gained, are warming up to 1750 DEG C, stirring is mixed
It closes 35 minutes；
（4）By step（3）The product of gained is cooled to 750 DEG C, and refining agent is added and carries out first time refining, is then allowed to stand and skims,
Then melt is poured into holding furnace, controls melt temperature in holding furnace and carry out addition refining agent at 720 DEG C, carries out second
Refining skims after standing 30 minutes, obtains aluminium alloy melt；
（5）By step（4）The aluminium alloy melt of gained is cast, and aluminium ingot is obtained, and then carries out Homogenization Treatments；
（6）By step（5）Aluminium ingot after Homogenization Treatments imports milling train and aluminium alloy rod is made, and the temperature for importing milling train is 470 DEG C,
Finishing temperature is 260 DEG C；
（7）By step（6）The aluminium alloy rod of gained, which is placed in annealing furnace, to be made annealing treatment, then cooled to room temperature；
（8）Aluminium alloy rod is sent into the mold of extruder, is squeezed out by extruder, obtains required conductor wire core；
（9）By step（8）The wire core of gained carries out ageing treatment to get the high-strength aluminum alloy conducting wire.
Wherein, the mass percentage content of each component is in the high-strength aluminum alloy conducting wire：Ag：0.5；Fe：0.6；
Si：0.2；Co：0.5；Be：0.06；Cu：2；Y：0.01；La：0.02；Mg：0.2；Sc：0.4；Ti：0.39；Surplus is for Al and not
Avoidable impurity.
Wherein, the step（4）Middle refining agent is made of Na2SiF6, C2Cl6 and NaF mixing, the Na2SiF6,
The mass ratio of C2Cl6 and NaF is 1:3:0.1.
Wherein, the step（4）The additive amount of middle first time refining, refining agent is the aluminium alloy aluminium alloy melt weight
0.05%, second refines, and the additive amount of refining agent is the 0.03% of the aluminium alloy aluminium alloy melt weight.
Wherein, the step（5）The technique of middle Homogenization Treatments is as follows：
It is first placed in 400 DEG C of environment, isothermal holding 1 hour, then is placed in 520 DEG C of environment, isothermal holding 2 hours is subsequently placed in
In 440 DEG C of environment, isothermal holding 1 hour.
Wherein, the step（6）The time of middle annealing is 3 hours, and temperature is 530 DEG C.
Wherein, the step（8）The extruded velocity of middle extruder is 20m/min.
Wherein, the step（9）The process of middle ageing treatment processing is as follows：
First stage：Aging temperature is 200 DEG C, and aging time is 3 hours；
Second stage：Aging temperature is 180 DEG C, and aging time is 6 hours；
Phase III：Aging temperature is 190 DEG C, and aging time is 2 hours.
Embodiment 2
The present embodiment is related to a kind of production technology of high-strength aluminum alloy conducting wire, includes the following steps：
（1）Two kinds of raw materials of Al and Ag are proportionally added into melting furnace, are heated to 1000 DEG C, insulated and stirred 90 minutes；
（2）To step（2）Tetra- kinds of raw materials of Fe, Si, Co and Be are added in the product of gained, are warming up to 1800 DEG C, insulated and stirred 50
Minute, 1370 DEG C are then cooled to, two kinds of raw materials of Cu and Y, insulated and stirred 40 minutes is added；
（3）To step（2）Tri- kinds of raw materials of La, Mg, Sc and Ti are sequentially added in the product of gained, are warming up to 1830 DEG C, stirring is mixed
It closes 55 minutes；
（4）By step（3）The product of gained is cooled to 800 DEG C, and refining agent is added and carries out first time refining, is then allowed to stand and skims,
Then melt is poured into holding furnace, controls melt temperature in holding furnace and carry out addition refining agent at 750 DEG C, carries out second
Refining skims after standing 50 minutes, obtains aluminium alloy melt；
（5）By step（4）The aluminium alloy melt of gained is cast, and aluminium ingot is obtained, and then carries out Homogenization Treatments；
（6）By step（5）Aluminium ingot after Homogenization Treatments imports milling train and aluminium alloy rod is made, and the temperature for importing milling train is 530 DEG C,
Finishing temperature is 300 DEG C；
（7）By step（6）The aluminium alloy rod of gained, which is placed in annealing furnace, to be made annealing treatment, then cooled to room temperature；
（8）Aluminium alloy rod is sent into the mold of extruder, is squeezed out by extruder, obtains required conductor wire core；
（9）By step（8）The wire core of gained carries out ageing treatment to get the high-strength aluminum alloy conducting wire.
Wherein, the mass percentage content of each component is in the high-strength aluminum alloy conducting wire：Ag：1.2；Fe：1.2；
Si： 0.4；Co：0.9；Be：0.1；Cu：6；Y：0.03；La：0.07；Mg：0.38；Sc：0.8；Ti：0.48；Surplus is for Al and not
Avoidable impurity.
Wherein, the step（4）Middle refining agent is made of Na2SiF6, C2Cl6 and NaF mixing, the Na2SiF6,
The mass ratio of C2Cl6 and NaF is 1:3:0.1.
Wherein, the step（4）The additive amount of middle first time refining, refining agent is the aluminium alloy aluminium alloy melt weight
0.05%, second refines, and the additive amount of refining agent is the 0.03% of the aluminium alloy aluminium alloy melt weight.
Wherein, the step（5）The technique of middle Homogenization Treatments is as follows：
It is first placed in 500 DEG C of environment, isothermal holding 2 hours, then is placed in 580 DEG C of environment, isothermal holding 3 hours is subsequently placed in
In 490 DEG C of environment, isothermal holding 2 hours.
Wherein, the step（6）The time of middle annealing is 6 hours, and temperature is 570 DEG C.
Wherein, the step（8）The extruded velocity of middle extruder is 25m/min.
Wherein, the step（9）The process of middle ageing treatment processing is as follows：
First stage：Aging temperature is 230 DEG C, and aging time is 5 hours；
Second stage：Aging temperature is 200 DEG C, and aging time is 9 hours；
Phase III：Aging temperature is 210 DEG C, and aging time is 4 hours.
Embodiment 3
The present embodiment is related to a kind of production technology of high-strength aluminum alloy conducting wire, includes the following steps：
（1）Two kinds of raw materials of Al and Ag are proportionally added into melting furnace, are heated to 850 DEG C, insulated and stirred 75 minutes；
（2）To step（2）Tetra- kinds of raw materials of Fe, Si, Co and Be are added in the product of gained, are warming up to 1720 DEG C, insulated and stirred 35
Minute, 1280 DEG C are then cooled to, two kinds of raw materials of Cu and Y, insulated and stirred 25 minutes is added；
（3）To step（2）Tri- kinds of raw materials of La, Mg, Sc and Ti are sequentially added in the product of gained, are warming up to 1780 DEG C, stirring is mixed
It closes 40 minutes；
（4）By step（3）The product of gained is cooled to 760 DEG C, and refining agent is added and carries out first time refining, is then allowed to stand and skims,
Then melt is poured into holding furnace, controls melt temperature in holding furnace and carry out addition refining agent at 730 DEG C, carries out second
Refining skims after standing 35 minutes, obtains aluminium alloy melt；
（5）By step（4）The aluminium alloy melt of gained is cast, and aluminium ingot is obtained, and then carries out Homogenization Treatments；
（6）By step（5）Aluminium ingot after Homogenization Treatments imports milling train and aluminium alloy rod is made, and the temperature for importing milling train is 480 DEG C,
Finishing temperature is 270 DEG C；
（7）By step（6）The aluminium alloy rod of gained, which is placed in annealing furnace, to be made annealing treatment, then cooled to room temperature；
（8）Aluminium alloy rod is sent into the mold of extruder, is squeezed out by extruder, obtains required conductor wire core；
（9）By step（8）The wire core of gained carries out ageing treatment to get the high-strength aluminum alloy conducting wire.
Wherein, the mass percentage content of each component is in the high-strength aluminum alloy conducting wire：Ag：0.7；Fe：0.8；
Si：0.26；Co：0.6；Be：0.07；Cu：3；Y：0.015；La：0.03；Mg：0.25；Sc：0.5；Ti：0.41；Surplus be Al and
Can not to avoid impurity.
Wherein, the step（4）Middle refining agent is made of Na2SiF6, C2Cl6 and NaF mixing, the Na2SiF6,
The mass ratio of C2Cl6 and NaF is 1:3:0.1.
Wherein, the step（4）The additive amount of middle first time refining, refining agent is the aluminium alloy aluminium alloy melt weight
0.05%, second refines, and the additive amount of refining agent is the 0.03% of the aluminium alloy aluminium alloy melt weight.
Wherein, the step（5）The technique of middle Homogenization Treatments is as follows：
It is first placed in 420 DEG C of environment, isothermal holding 1.2 hours, then is placed in 530 DEG C of environment, isothermal holding 2.2 hours, then
It is placed in 450 DEG C of environment, isothermal holding 1.3 hours.
Wherein, the step（6）The time of middle annealing is 4 hours, and temperature is 540 DEG C.
Wherein, the step（8）The extruded velocity of middle extruder is 21m/min.
Wherein, the step（9）The process of middle ageing treatment processing is as follows：
First stage：Aging temperature is 205 DEG C, and aging time is 3.5 hours；
Second stage：Aging temperature is 185 DEG C, and aging time is 7 hours；
Phase III：Aging temperature is 195 DEG C, and aging time is 2.5 hours.
Embodiment 4
The present embodiment is related to a kind of production technology of high-strength aluminum alloy conducting wire, includes the following steps：
（1）Two kinds of raw materials of Al and Ag are proportionally added into melting furnace, are heated to 900 DEG C, insulated and stirred 75 minutes；
（2）To step（2）Tetra- kinds of raw materials of Fe, Si, Co and Be are added in the product of gained, are warming up to 1750 DEG C, insulated and stirred 40
Minute, 1300 DEG C are then cooled to, two kinds of raw materials of Cu and Y, insulated and stirred 30 minutes is added；
（3）To step（2）Tri- kinds of raw materials of La, Mg, Sc and Ti are sequentially added in the product of gained, are warming up to 1800 DEG C, stirring is mixed
It closes 45 minutes；
（4）By step（3）The product of gained is cooled to 770 DEG C, and refining agent is added and carries out first time refining, is then allowed to stand and skims,
Then melt is poured into holding furnace, controls melt temperature in holding furnace and carry out addition refining agent at 735 DEG C, carries out second
Refining, standing are skimmed after forty minutes, obtain aluminium alloy melt；
（5）By step（4）The aluminium alloy melt of gained is cast, and aluminium ingot is obtained, and then carries out Homogenization Treatments；
（6）By step（5）Aluminium ingot after Homogenization Treatments imports milling train and aluminium alloy rod is made, and the temperature for importing milling train is 500 DEG C,
Finishing temperature is 280 DEG C；
（7）By step（6）The aluminium alloy rod of gained, which is placed in annealing furnace, to be made annealing treatment, then cooled to room temperature；
（8）Aluminium alloy rod is sent into the mold of extruder, is squeezed out by extruder, obtains required conductor wire core；
（9）By step（8）The wire core of gained carries out ageing treatment to get the high-strength aluminum alloy conducting wire.
Wherein, the mass percentage content of each component is in the high-strength aluminum alloy conducting wire：Ag：1.1；Fe：1.0；Si：
0.34；Co：0.8；Be：0.09；Cu：5；Y：0.024；La：0.06；Mg：0.31；Sc：0.7；Ti：0.47；Surplus is for Al and not
Avoidable impurity.
Wherein, the step（4）Middle refining agent is made of Na2SiF6, C2Cl6 and NaF mixing, the Na2SiF6,
The mass ratio of C2Cl6 and NaF is 1:3:0.1.
Wherein, the step（4）The additive amount of middle first time refining, refining agent is the aluminium alloy aluminium alloy melt weight
0.05%, second refines, and the additive amount of refining agent is the 0.03% of the aluminium alloy aluminium alloy melt weight.
Wherein, the step（5）The technique of middle Homogenization Treatments is as follows：
It is first placed in 450 DEG C of environment, isothermal holding 1.5 hours, then is placed in 550 DEG C of environment, isothermal holding 2.5 hours, then
It is placed in 470 DEG C of environment, isothermal holding 1.5 hours.
Wherein, the step（6）The time of middle annealing is 4.5 hours, and temperature is 550 DEG C.
Wherein, the step（8）The extruded velocity of middle extruder is 23m/min.
Wherein, the step（9）The process of middle ageing treatment processing is as follows：
First stage：Aging temperature is 215 DEG C, and aging time is 4 hours；
Second stage：Aging temperature is 190 DEG C, and aging time is 7.5 hours；
Phase III：Aging temperature is 200 DEG C, and aging time is 3 hours.
Embodiment 5
The present embodiment is related to a kind of production technology of high-strength aluminum alloy conducting wire, includes the following steps：
（1）Two kinds of raw materials of Al and Ag are proportionally added into melting furnace, are heated to 950 DEG C, insulated and stirred 85 minutes；
（2）To step（2）Tetra- kinds of raw materials of Fe, Si, Co and Be are added in the product of gained, are warming up to 1780 DEG C, insulated and stirred 45
Minute, 1350 DEG C are then cooled to, two kinds of raw materials of Cu and Y, insulated and stirred 35 minutes is added；
（3）To step（2）Tri- kinds of raw materials of La, Mg, Sc and Ti are sequentially added in the product of gained, are warming up to 1820 DEG C, stirring is mixed
It closes 50 minutes；
（4）By step（3）The product of gained is cooled to 790 DEG C, and refining agent is added and carries out first time refining, is then allowed to stand and skims,
Then melt is poured into holding furnace, controls melt temperature in holding furnace and carry out addition refining agent at 745 DEG C, carries out second
Refining skims after standing 45 minutes, obtains aluminium alloy melt；
（5）By step（4）The aluminium alloy melt of gained is cast, and aluminium ingot is obtained, and then carries out Homogenization Treatments；
（6）By step（5）Aluminium ingot after Homogenization Treatments imports milling train and aluminium alloy rod is made, and the temperature for importing milling train is 520 DEG C,
Finishing temperature is 290 DEG C；
（7）By step（6）The aluminium alloy rod of gained, which is placed in annealing furnace, to be made annealing treatment, then cooled to room temperature；
（8）Aluminium alloy rod is sent into the mold of extruder, is squeezed out by extruder, obtains required conductor wire core；
（9）By step（8）The wire core of gained carries out ageing treatment to get the high-strength aluminum alloy conducting wire.
Wherein, the mass percentage content of each component is in the high-strength aluminum alloy conducting wire：Ag：0.9；Fe：0.9；
Si：0.32；Co：0.7；Be：0.08；Cu：4；Y：0.022；La：0.04；Mg：0.28；Sc：0.6；Ti：0.43；Surplus be Al and
Can not to avoid impurity.
Wherein, the step（4）Middle refining agent is made of Na2SiF6, C2Cl6 and NaF mixing, the Na2SiF6,
The mass ratio of C2Cl6 and NaF is 1:3:0.1.
Wherein, the step（4）The additive amount of middle first time refining, refining agent is the aluminium alloy aluminium alloy melt weight
0.05%, second refines, and the additive amount of refining agent is the 0.03% of the aluminium alloy aluminium alloy melt weight.
Wherein, the step（5）The technique of middle Homogenization Treatments is as follows：
It is first placed in 480 DEG C of environment, isothermal holding 1.9 hours, then is placed in 570 DEG C of environment, isothermal holding 2.8 hours, then
It is placed in 480 DEG C of environment, isothermal holding 1.7 hours.
Wherein, the step（6）The time of middle annealing is 5 hours, and temperature is 560 DEG C.
Wherein, the step（8）The extruded velocity of middle extruder is 24m/min.
Wherein, the step（9）The process of middle ageing treatment processing is as follows：
First stage：Aging temperature is 225 DEG C, and aging time is 4.5 hours；
Second stage：Aging temperature is 195 DEG C, and aging time is 8 hours；
Phase III：Aging temperature is 205 DEG C, and aging time is 3.5 hours.
Comparative example
A kind of aluminium alloy conductor disclosed in the patent of invention of Authorization Notice No. CN104781433B.
Respectively to aluminium alloy conductor made from embodiment 1, embodiment 2, embodiment 3, embodiment 4, implementation 5 and comparative example
Performance is tested, and test result is as follows：
| Conductivity | Tensile strength | Elongation at break | |
| Embodiment 1 | 58%IACS | 198MPa | 13% |
| Embodiment 2 | 57%IACS | 210MPa | 12% |
| Embodiment 3 | 59%IACS | 203MPa | 11% |
| Embodiment 4 | 60%IACS | 212MPa | 15% |
| Embodiment 5 | 58%IACS | 213MPa | 14% |
| Comparative example | 45%IACS | 150MPa | 8% |
From above-described embodiment as can be seen that the conducting wire performance that the present invention is prepared is better than comparative example.
The aluminium alloy conductor that the production technology of high-strength high-strength aluminum alloy conducting wire of the present invention is prepared has higher
Conductivity, flexibility, and intensity is high, and resistance to oxidation, endurance, electric conductivity is strong, than the extension of existing conductor thread core aluminium alloy
Property, fatigue resistance, creep resistance be all improved, while it is light-weight, and wear-resisting, corrosion-resistant, safe to use, stability is high, manufacture
It is at low cost, it is specific as follows：
（1）The present invention first melts raw material, casts, Homogenization Treatments, milling train, annealing, squeezing out conducting wire and ageing treatment,
The conducting wire prepared has higher conductivity, flexibility, and intensity is high；
（2）The present invention is added to Cu in the feed, can improve the mechanical strength of electric conductor, improves tensile strength and improves elongation
Rate, the thermal stability of resistance when Cu can also improve high temperature；
（3）The present invention is added to Ag in the feed, can improve the mechanical strength of electric conductor, improves conductivity.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (10)
1. a kind of production technology of high-strength aluminum alloy conducting wire, which is characterized in that include the following steps：
（1）Two kinds of raw materials of Al and Ag are proportionally added into melting furnace, are heated to 800~1000 DEG C, insulated and stirred 60~90
Minute；
（2）To step（2）Tetra- kinds of raw materials of Fe, Si, Co and Be are added in the product of gained, are warming up to 1700~1800 DEG C, heat preservation
Then stirring 30~50 minutes is cooled to 1250~1370 DEG C, two kinds of raw materials of Cu and Y, insulated and stirred 20~40 minutes is added；
（3）To step（2）Tri- kinds of raw materials of La, Mg, Sc and Ti are sequentially added in the product of gained, are warming up to 1750~1830 DEG C,
It is stirred 35~55 minutes；
（4）By step（3）The product of gained is cooled to 750~800 DEG C, and refining agent is added and carries out first time refining, is then allowed to stand
It skims, melt is then poured into holding furnace, control melt temperature in holding furnace and carry out addition refining agent at 720~750 DEG C,
It carries out second to refine, skims after standing 30~50 minutes, obtain aluminium alloy melt；
（5）By step（4）The aluminium alloy melt of gained is cast, and aluminium ingot is obtained, and then carries out Homogenization Treatments；
（6）By step（5）Aluminium ingot after Homogenization Treatments imports milling train and aluminium alloy rod is made, and the temperature for importing milling train is 470~
530 DEG C, finishing temperature is 260~300 DEG C；
（7）By step（6）The aluminium alloy rod of gained, which is placed in annealing furnace, to be made annealing treatment, then cooled to room temperature；
（8）Aluminium alloy rod is sent into the mold of extruder, is squeezed out by extruder, obtains required conductor wire core；
（9）By step（8）The wire core of gained carries out ageing treatment to get the high-strength aluminum alloy conducting wire.
2. the production technology of high-strength aluminum alloy conducting wire according to claim 1, which is characterized in that the high intensity aluminium closes
The mass percentage content of each component is in golden conducting wire：Ag：0.5~1.2；Fe：0.6~1.2； Si：0.2~0.4；Co：0.5
~0.9；Be：0.06~0.1；Cu：2~6；Y：0.01~0.03；La：0.02~0.07；Mg：0.2~0.38；Sc：0.4~
0.8；Ti：0.39~0.48；Surplus be Al and can not to avoid impurity.
3. the production technology of high-strength aluminum alloy conducting wire according to claim 1, which is characterized in that the high intensity aluminium closes
The mass percentage content of each component is in golden conducting wire：Ag：0.7~1.1；Fe：0.8~1.0； Si：0.26~0.34；Co：
0.6~0.8；Be：0.07~0.09；Cu：3~5；Y：0.015~0.024；La：0.03~0.06；Mg：0.25~0.31；Sc：
0.5~0.7；Ti：0.41~0.47；Surplus be Al and can not to avoid impurity.
4. the production technology of high-strength aluminum alloy conducting wire according to claim 1, which is characterized in that the high intensity aluminium closes
The mass percentage content of each component is in golden conducting wire：Ag：0.9；Fe：0.9； Si：0.32；Co：0.7；Be：0.08；Cu：4；
Y：0.022；La：0.04；Mg：0.28；Sc：0.6；Ti：0.43；Surplus be Al and can not to avoid impurity.
5. the production technology of high-strength aluminum alloy conducting wire according to claim 1, which is characterized in that the step（4）In
Refining agent is made of Na2SiF6, C2Cl6 and NaF mixing, and the mass ratio of described Na2SiF6, C2Cl6 and NaF are 1:3:0.1.
6. the production technology of high-strength aluminum alloy conducting wire according to claim 1, which is characterized in that the step（4）In
It refines for the first time, the additive amount of refining agent is the 0.05% of the aluminium alloy aluminium alloy melt weight, second of refining, refining agent
Additive amount be the aluminium alloy aluminium alloy melt weight 0.03%.
7. the production technology of high-strength aluminum alloy conducting wire according to claim 1, which is characterized in that the step（5）In
The technique of Homogenization Treatments is as follows：
It is first placed in 400~500 DEG C of environment, isothermal holding 1~2 hour, then is placed in 520~580 DEG C of environment, isothermal holding 2
It~3 hours, is subsequently placed in 440~490 DEG C of environment, isothermal holding 1~2 hour.
8. the production technology of high-strength aluminum alloy conducting wire according to claim 1, which is characterized in that the step（6）In
The time of annealing is 3~6 hours, and temperature is 530~570 DEG C.
9. the production technology of high-strength aluminum alloy conducting wire according to claim 1, which is characterized in that the step（8）In
The extruded velocity of extruder is 20~25m/min.
10. the production technology of high-strength aluminum alloy conducting wire according to claim 1, which is characterized in that the step（9）In
The process of ageing treatment processing is as follows：
First stage：Aging temperature is 200~230 DEG C, and aging time is 3~5 hours；
Second stage：Aging temperature is 180~200 DEG C, and aging time is 6~9 hours；
Phase III：Aging temperature is 190~210 DEG C, and aging time is 2~4 hours.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110029253A (en) * | 2019-06-01 | 2019-07-19 | 合肥磊科机电科技有限公司 | A kind of environmental protection highly corrosion resistant electric power copper Al rare earth alloy material and preparation method thereof |
| CN111128445A (en) * | 2019-12-06 | 2020-05-08 | 远东电缆有限公司 | Aluminum-manganese alloy steel-clad reinforced overhead conductor and preparation process thereof |
| CN112117024A (en) * | 2020-09-02 | 2020-12-22 | 江苏亨通电力电缆有限公司 | Lightweight corrosion-resistant energy-saving aluminum conductor, preparation method thereof and medium-voltage power cable |
| CN115094283A (en) * | 2022-06-22 | 2022-09-23 | 中南大学 | High-strength high-conductivity aluminum alloy armature material and manufacturing method and application thereof |
-
2018
- 2018-07-03 CN CN201810717200.7A patent/CN108754262A/en not_active Withdrawn
Non-Patent Citations (1)
| Title |
|---|
| 王寿彭: "《铸件形成理论及工艺基础》", 31 December 1994, 西北工业大学出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110029253A (en) * | 2019-06-01 | 2019-07-19 | 合肥磊科机电科技有限公司 | A kind of environmental protection highly corrosion resistant electric power copper Al rare earth alloy material and preparation method thereof |
| CN111128445A (en) * | 2019-12-06 | 2020-05-08 | 远东电缆有限公司 | Aluminum-manganese alloy steel-clad reinforced overhead conductor and preparation process thereof |
| CN111128445B (en) * | 2019-12-06 | 2022-03-08 | 远东电缆有限公司 | Aluminum-manganese alloy steel-clad reinforced overhead conductor and preparation process thereof |
| CN112117024A (en) * | 2020-09-02 | 2020-12-22 | 江苏亨通电力电缆有限公司 | Lightweight corrosion-resistant energy-saving aluminum conductor, preparation method thereof and medium-voltage power cable |
| CN115094283A (en) * | 2022-06-22 | 2022-09-23 | 中南大学 | High-strength high-conductivity aluminum alloy armature material and manufacturing method and application thereof |
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