CN108486443A - A kind of anticorrosion aluminium conducting wire and preparation method thereof - Google Patents
A kind of anticorrosion aluminium conducting wire and preparation method thereof Download PDFInfo
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- CN108486443A CN108486443A CN201810718620.7A CN201810718620A CN108486443A CN 108486443 A CN108486443 A CN 108486443A CN 201810718620 A CN201810718620 A CN 201810718620A CN 108486443 A CN108486443 A CN 108486443A
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- C22C21/12—Alloys based on aluminium with copper as the next major constituent
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- 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
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Abstract
The invention discloses a kind of anticorrosion aluminium conducting wire, each component and its mass percentage content are：Ag：0.9~1.7；Fe：0.6~1.2；Si：0.24~0.36；Cr：0.3~0.8；Be：0.05~0.11；Cu：2~6；Mn：0.01~0.03；La：0.02~0.07；Mg：0.2~0.38；Sc：0.2~0.7；Ti：0.24~0.32；Zn：0.4~0.8；Au：0.3~0.5；Surplus be Al and can not to avoid impurity.Anticorrosion aluminium conducting wire of the present invention 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 lead technology fields, and in particular to a kind of anticorrosion aluminium conducting wire and preparation method thereof.
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 anticorrosion aluminium conducting wires and preparation method thereof, solve the problems in background technology,
Anticorrosion aluminium conducting wire of the present invention has higher conductivity, flexibility, and intensity is high, light-weight, resistance to oxidation,
Safe to use, 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 anticorrosion aluminium conducting wire, each component and its mass percentage content are Ag：0.9~1.7；Fe：0.6~1.2；
Si：0.24~0.36；Cr：0.3~0.8；Be：0.05~0.11；Cu：2~6；Mn：0.01~0.03；La：0.02~0.07；
Mg：0.2~0.38；Sc：0.2~0.7；Ti：0.24~0.32；Zn：0.4~0.8；Au：0.3~0.5；Surplus is Al and can not
To avoid impurity.
Preferably, the anticorrosion aluminium conducting wire, each component and its mass percentage content are：Ag：1~1.2；
Fe：0.7~1.1； Si：0.25~0.30；Cr：0.4~0.7；Be：0.08~0.10；Cu：3~5；Mn：0.015~0.024；
La：0.03~0.06；Mg：0.26~0.31；Sc：0.3~0.6；Ti：0.26~0.29；Zn：0.5~0.7；Au：0.38~
0.42；Surplus be Al and can not to avoid impurity.
Preferably, the anticorrosion aluminium conducting wire, each component and its mass percentage content are：Ag：1.1；Fe：
0.8； Si：0.26；Cr：0.5；Be：0.09；Cu：4；Mn：0.017；La：0.04；Mg：0.29；Sc：0.4；Ti：0.28；Zn：
0.63；Au：0.41；Surplus be Al and can not to avoid impurity.
A method of the anticorrosion aluminium conducting wire is prepared, is included the following steps：
（1）Raw material is weighed according to the above ratio；
（2）Each raw material is placed in melting furnace, is first heated to 1200~1300 DEG C, insulated and stirred 1~2 hour, then be warming up to
1500~1700 DEG C, insulated and stirred 30~60 minutes is finally cooled to 1400~1500 DEG C, insulated and stirred 40~80 minutes；
（3）By step（2）The product of gained is cooled to 740~780 DEG C, and refining agent is added, and carries out first time refining, and heat preservation is stood
It skims after 30 minutes, melt is then poured into holding furnace, be cooled to 680~710 DEG C, refining agent is added, carry out second and refine,
It stands after sixty minutes, skims, obtain aluminium alloy melt；
（4）By step（3）The aluminium alloy melt obtained is cast, and is obtained aluminium ingot, is then carried out Homogenization Treatments；
（5）By step（4）Aluminium ingot after Homogenization Treatments imports milling train and aluminium alloy rod is made, and the temperature for importing milling train is 450~
500 DEG C, finishing temperature is 280~320 DEG C；
（6）By step（5）The aluminium alloy rod of gained, which is placed in annealing furnace, to be made annealing treatment, then cooled to room temperature；
（7）By step（6）The aluminium alloy rod of gained is sent into the mold of extruder, is squeezed out by extruder, required by obtaining
Conductor wire core；
（8）By step（7）The conductor wire core of gained carries out sofening treatment to get the anticorrosion aluminium conducting wire.
Preferably, the step（3）The additive amount of middle first time refining, refining agent is the aluminium alloy aluminium alloy melt weight
The 0.04% of amount, second of refining, the additive amount of refining agent are the 0.06% of the aluminium alloy aluminium alloy melt weight.
Preferably, the step（3）Middle refining agent is by Na2SiF6、C2Cl6It mixes and constitutes with NaF, the Na2SiF6、C2Cl6
Mass ratio with NaF is 1:3:0.1.
Preferably, the step（4）The temperature of middle Homogenization Treatments is 480 DEG C, and the Homogenization Treatments time is 6 hours.
Preferably, the step（6）The process of middle annealing is as follows：
First stage：It is 480 DEG C to make annealing treatment temperature, and the annealing time is 5 hours；
Second stage：It is 530 DEG C to make annealing treatment temperature, and the annealing time is 8 hours；
Phase III：It is 420 DEG C to make annealing treatment temperature, and the annealing time is 3 hours.
Preferably, the step（7）The extruded velocity of extruder is 18m/min.
Preferably, the step（8）Described in sofening treatment for the continuous sofening treatment that is carried out by step mode or
By the continuous sofening treatment that high-frequency induction heating carries out, and the sofening treatment is in air atmosphere or nonoxidizing atmosphere
It carries out.
Compared with prior art, the present invention it has the advantages that：
Anticorrosion aluminium conducting wire of the present invention has higher conductivity, flexibility, and intensity is high, and resistance to oxidation is resistance to
Fatigue, electric conductivity is strong, and the extensibility, fatigue resistance, creep resistance than existing conductor thread core aluminium alloy are all improved, while it
Light-weight, wear-resisting, corrosion-resistant, safe to use, stability is high, and manufacturing cost is low, specific as follows：
（1）The present invention first melts raw material, casts, Homogenization Treatments, milling train, annealing, squeezing out conducting wire and sofening 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 and Au 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 anticorrosion aluminium conducting wire, and each component and its mass percentage content are Ag：0.9；Fe：
0.6；Si：0.24；Cr：0.3；Be：0.05；Cu：2；Mn：0.01；La：0.02；Mg：0.2；Sc：0.2；Ti：0.24；Zn：0.4；
Au：0.3；Surplus be Al and can not to avoid impurity.
A method of the anticorrosion aluminium conducting wire is prepared, is included the following steps：
（1）Raw material is weighed according to the above ratio；
（2）Each raw material is placed in melting furnace, is first heated to 1200 DEG C, insulated and stirred 1 hour, then 1500 DEG C are warming up to, it keeps the temperature
Stirring 30 minutes, is finally cooled to 1400 DEG C, insulated and stirred 40 minutes；
（3）By step（2）The product of gained is cooled to 740 DEG C, and refining agent is added, and carries out first time refining, and heat preservation stands 30 points
It skims after clock, melt is then poured into holding furnace, be cooled to 680 DEG C, refining agent is added, carry out second and refine, stand 60 points
Zhong Hou skims, and obtains aluminium alloy melt；
（4）By step（3）The aluminium alloy melt obtained is cast, and is obtained aluminium ingot, is then carried out Homogenization Treatments；
（5）By step（4）Aluminium ingot after Homogenization Treatments imports milling train and aluminium alloy rod is made, and the temperature for importing milling train is 450 DEG C,
Finishing temperature is 280 DEG C；
（6）By step（5）The aluminium alloy rod of gained, which is placed in annealing furnace, to be made annealing treatment, then cooled to room temperature；
（7）By step（6）The aluminium alloy rod of gained is sent into the mold of extruder, is squeezed out by extruder, required by obtaining
Conductor wire core；
（8）By step（7）The conductor wire core of gained carries out sofening treatment to get the anticorrosion aluminium conducting wire.
Wherein, the step（3）The additive amount of middle first time refining, refining agent is the aluminium alloy aluminium alloy melt weight
0.04%, second refines, and the additive amount of refining agent is the 0.06% of the aluminium alloy aluminium alloy melt weight.
Wherein, the step（3）Middle refining agent is by Na2SiF6、C2Cl6It mixes and constitutes with NaF, the Na2SiF6、C2Cl6With
The mass ratio of NaF is 1:3:0.1.
Wherein, the step（4）The temperature of middle Homogenization Treatments is 480 DEG C, and the Homogenization Treatments time is 6 hours.
Wherein, the step（6）The process of middle annealing is as follows：
First stage：It is 480 DEG C to make annealing treatment temperature, and the annealing time is 5 hours；
Second stage：It is 530 DEG C to make annealing treatment temperature, and the annealing time is 8 hours；
Phase III：It is 420 DEG C to make annealing treatment temperature, and the annealing time is 3 hours.
Wherein, the step（7）The extruded velocity of extruder is 18m/min.
Wherein, the step（8）Described in sofening treatment be the continuous sofening treatment that is carried out by step mode or logical
The continuous sofening treatment crossed high-frequency induction heating and carried out, and the sofening treatment in air atmosphere or nonoxidizing atmosphere into
Row.
Embodiment 2
The present embodiment is related to a kind of anticorrosion aluminium conducting wire, and each component and its mass percentage content are Ag：1.7；Fe：
1.2；Si：0.36；Cr：0.8；Be：0.11；Cu：6；Mn：0.03；La：0.07；Mg：0.38；Sc：0.7；Ti：0.32；Zn：
0.8；Au：0.5；Surplus be Al and can not to avoid impurity.
A method of the anticorrosion aluminium conducting wire is prepared, is included the following steps：
（1）Raw material is weighed according to the above ratio；
（2）Each raw material is placed in melting furnace, is first heated to 1300 DEG C, insulated and stirred 2 hours, then 1700 DEG C are warming up to, it keeps the temperature
Stirring 60 minutes, is finally cooled to 1500 DEG C, insulated and stirred 80 minutes；
（3）By step（2）The product of gained is cooled to 780 DEG C, and refining agent is added, and carries out first time refining, and heat preservation stands 30 points
It skims after clock, melt is then poured into holding furnace, be cooled to 710 DEG C, refining agent is added, carry out second and refine, stand 60 points
Zhong Hou skims, and obtains aluminium alloy melt；
（4）By step（3）The aluminium alloy melt obtained is cast, and is obtained aluminium ingot, is then carried out Homogenization Treatments；
（5）By step（4）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 320 DEG C；
（6）By step（5）The aluminium alloy rod of gained, which is placed in annealing furnace, to be made annealing treatment, then cooled to room temperature；
（7）By step（6）The aluminium alloy rod of gained is sent into the mold of extruder, is squeezed out by extruder, required by obtaining
Conductor wire core；
（8）By step（7）The conductor wire core of gained carries out sofening treatment to get the anticorrosion aluminium conducting wire.
Wherein, the step（3）The additive amount of middle first time refining, refining agent is the aluminium alloy aluminium alloy melt weight
0.04%, second refines, and the additive amount of refining agent is the 0.06% of the aluminium alloy aluminium alloy melt weight.
Wherein, the step（3）Middle refining agent is by Na2SiF6、C2Cl6It mixes and constitutes with NaF, the Na2SiF6、C2Cl6With
The mass ratio of NaF is 1:3:0.1.
Wherein, the step（4）The temperature of middle Homogenization Treatments is 480 DEG C, and the Homogenization Treatments time is 6 hours.
Wherein, the step（6）The process of middle annealing is as follows：
First stage：It is 480 DEG C to make annealing treatment temperature, and the annealing time is 5 hours；
Second stage：It is 530 DEG C to make annealing treatment temperature, and the annealing time is 8 hours；
Phase III：It is 420 DEG C to make annealing treatment temperature, and the annealing time is 3 hours.
Wherein, the step（7）The extruded velocity of extruder is 18m/min.
Wherein, the step（8）Described in sofening treatment be the continuous sofening treatment that is carried out by step mode or logical
The continuous sofening treatment crossed high-frequency induction heating and carried out, and the sofening treatment in air atmosphere or nonoxidizing atmosphere into
Row.
Embodiment 3
The present embodiment is related to a kind of anticorrosion aluminium conducting wire, and each component and its mass percentage content are Ag：1；Fe：0.7；
Si：0.25；Cr：0.4；Be：0.08；Cu：3；Mn：0.015；La：0.03；Mg：0.26；Sc：0.3；Ti：0.26；Zn：0.5；
Au：0.38；Surplus be Al and can not to avoid impurity.
A method of the anticorrosion aluminium conducting wire is prepared, is included the following steps：
（1）Raw material is weighed according to the above ratio；
（2）Each raw material is placed in melting furnace, is first heated to 1230 DEG C, insulated and stirred 1.2 hours, then 1550 DEG C are warming up to, it protects
Temperature stirring 35 minutes, is finally cooled to 1420 DEG C, insulated and stirred 50 minutes；
（3）By step（2）The product of gained is cooled to 750 DEG C, and refining agent is added, and carries out first time refining, and heat preservation stands 30 points
It skims after clock, melt is then poured into holding furnace, be cooled to 690 DEG C, refining agent is added, carry out second and refine, stand 60 points
Zhong Hou skims, and obtains aluminium alloy melt；
（4）By step（3）The aluminium alloy melt obtained is cast, and is obtained aluminium ingot, is then carried out Homogenization Treatments；
（5）By step（4）Aluminium ingot after Homogenization Treatments imports milling train and aluminium alloy rod is made, and the temperature for importing milling train is 460 DEG C,
Finishing temperature is 290 DEG C；
（6）By step（5）The aluminium alloy rod of gained, which is placed in annealing furnace, to be made annealing treatment, then cooled to room temperature；
（7）By step（6）The aluminium alloy rod of gained is sent into the mold of extruder, is squeezed out by extruder, required by obtaining
Conductor wire core；
（8）By step（7）The conductor wire core of gained carries out sofening treatment to get the anticorrosion aluminium conducting wire.
Wherein, the step（3）The additive amount of middle first time refining, refining agent is the aluminium alloy aluminium alloy melt weight
0.04%, second refines, and the additive amount of refining agent is the 0.06% of the aluminium alloy aluminium alloy melt weight.
Wherein, the step（3）Middle refining agent is by Na2SiF6、C2Cl6It mixes and constitutes with NaF, the Na2SiF6、C2Cl6With
The mass ratio of NaF is 1:3:0.1.
Wherein, the step（4）The temperature of middle Homogenization Treatments is 480 DEG C, and the Homogenization Treatments time is 6 hours.
Wherein, the step（6）The process of middle annealing is as follows：
First stage：It is 480 DEG C to make annealing treatment temperature, and the annealing time is 5 hours；
Second stage：It is 530 DEG C to make annealing treatment temperature, and the annealing time is 8 hours；
Phase III：It is 420 DEG C to make annealing treatment temperature, and the annealing time is 3 hours.
Wherein, the step（7）The extruded velocity of extruder is 18m/min.
Wherein, the step（8）Described in sofening treatment be the continuous sofening treatment that is carried out by step mode or logical
The continuous sofening treatment crossed high-frequency induction heating and carried out, and the sofening treatment in air atmosphere or nonoxidizing atmosphere into
Row.
Embodiment 4
The present embodiment is related to a kind of anticorrosion aluminium conducting wire, and each component and its mass percentage content are Ag：1~1.2；
Fe：0.7~1.1； Si：0.25~0.30；Cr：0.4~0.7；Be：0.08~0.10；Cu：3~5；Mn：0.015~0.024；
La：0.03~0.06；Mg：0.26~0.31；Sc：0.3~0.6；Ti：0.26~0.29；Zn：0.5~0.7；Au：0.38~
0.42；Surplus be Al and can not to avoid impurity.
A method of the anticorrosion aluminium conducting wire is prepared, is included the following steps：
（1）Raw material is weighed according to the above ratio；
（2）Each raw material is placed in melting furnace, is first heated to 1250 DEG C, insulated and stirred 1.5 hours, then 1600 DEG C are warming up to, it protects
Temperature stirring 45 minutes, is finally cooled to 1450 DEG C, insulated and stirred 60 minutes；
（3）By step（2）The product of gained is cooled to 760 DEG C, and refining agent is added, and carries out first time refining, and heat preservation stands 30 points
It skims after clock, melt is then poured into holding furnace, be cooled to 695 DEG C, refining agent is added, carry out second and refine, stand 60 points
Zhong Hou skims, and obtains aluminium alloy melt；
（4）By step（3）The aluminium alloy melt obtained is cast, and is obtained aluminium ingot, is then carried out Homogenization Treatments；
（5）By step（4）Aluminium ingot after Homogenization Treatments imports milling train and aluminium alloy rod is made, and the temperature for importing milling train is 475 DEG C,
Finishing temperature is 300 DEG C；
（6）By step（5）The aluminium alloy rod of gained, which is placed in annealing furnace, to be made annealing treatment, then cooled to room temperature；
（7）By step（6）The aluminium alloy rod of gained is sent into the mold of extruder, is squeezed out by extruder, required by obtaining
Conductor wire core；
（8）By step（7）The conductor wire core of gained carries out sofening treatment to get the anticorrosion aluminium conducting wire.
Wherein, the step（3）The additive amount of middle first time refining, refining agent is the aluminium alloy aluminium alloy melt weight
0.04%, second refines, and the additive amount of refining agent is the 0.06% of the aluminium alloy aluminium alloy melt weight.
Wherein, the step（3）Middle refining agent is by Na2SiF6、C2Cl6It mixes and constitutes with NaF, the Na2SiF6、C2Cl6With
The mass ratio of NaF is 1:3:0.1.
Wherein, the step（4）The temperature of middle Homogenization Treatments is 480 DEG C, and the Homogenization Treatments time is 6 hours.
Wherein, the step（6）The process of middle annealing is as follows：
First stage：It is 480 DEG C to make annealing treatment temperature, and the annealing time is 5 hours；
Second stage：It is 530 DEG C to make annealing treatment temperature, and the annealing time is 8 hours；
Phase III：It is 420 DEG C to make annealing treatment temperature, and the annealing time is 3 hours.
Wherein, the step（7）The extruded velocity of extruder is 18m/min.
Wherein, the step（8）Described in sofening treatment be the continuous sofening treatment that is carried out by step mode or logical
The continuous sofening treatment crossed high-frequency induction heating and carried out, and the sofening treatment in air atmosphere or nonoxidizing atmosphere into
Row.
Embodiment 5
The present embodiment is related to a kind of anticorrosion aluminium conducting wire, and each component and its mass percentage content are Ag：1.1；Fe：
0.8； Si：0.26；Cr：0.5；Be：0.09；Cu：4；Mn：0.017；La：0.04；Mg：0.29；Sc：0.4；Ti：0.28；Zn：
0.63；Au：0.41；Surplus be Al and can not to avoid impurity.
A method of the anticorrosion aluminium conducting wire is prepared, is included the following steps：
（1）Raw material is weighed according to the above ratio；
（2）Each raw material is placed in melting furnace, is first heated to 1280 DEG C, insulated and stirred 1.7 hours, then 1650 DEG C are warming up to, it protects
Temperature stirring 55 minutes, is finally cooled to 1480 DEG C, insulated and stirred 70 minutes；
（3）By step（2）The product of gained is cooled to 770 DEG C, and refining agent is added, and carries out first time refining, and heat preservation stands 30 points
It skims after clock, melt is then poured into holding furnace, be cooled to 700 DEG C, refining agent is added, carry out second and refine, stand 60 points
Zhong Hou skims, and obtains aluminium alloy melt；
（4）By step（3）The aluminium alloy melt obtained is cast, and is obtained aluminium ingot, is then carried out Homogenization Treatments；
（5）By step（4）Aluminium ingot after Homogenization Treatments imports milling train and aluminium alloy rod is made, and the temperature for importing milling train is 490 DEG C,
Finishing temperature is 310 DEG C；
（6）By step（5）The aluminium alloy rod of gained, which is placed in annealing furnace, to be made annealing treatment, then cooled to room temperature；
（7）By step（6）The aluminium alloy rod of gained is sent into the mold of extruder, is squeezed out by extruder, required by obtaining
Conductor wire core；
（8）By step（7）The conductor wire core of gained carries out sofening treatment to get the anticorrosion aluminium conducting wire.
Wherein, the step（3）The additive amount of middle first time refining, refining agent is the aluminium alloy aluminium alloy melt weight
0.04%, second refines, and the additive amount of refining agent is the 0.06% of the aluminium alloy aluminium alloy melt weight.
Wherein, the step（3）Middle refining agent is by Na2SiF6、C2Cl6It mixes and constitutes with NaF, the Na2SiF6、C2Cl6With
The mass ratio of NaF is 1:3:0.1.
Wherein, the step（4）The temperature of middle Homogenization Treatments is 480 DEG C, and the Homogenization Treatments time is 6 hours.
Wherein, the step（6）The process of middle annealing is as follows：
First stage：It is 480 DEG C to make annealing treatment temperature, and the annealing time is 5 hours；
Second stage：It is 530 DEG C to make annealing treatment temperature, and the annealing time is 8 hours；
Phase III：It is 420 DEG C to make annealing treatment temperature, and the annealing time is 3 hours.
Wherein, the step（7）The extruded velocity of extruder is 18m/min.
Wherein, the step（8）Described in sofening treatment be the continuous sofening treatment that is carried out by step mode or logical
The continuous sofening treatment crossed high-frequency induction heating and carried out, and the sofening treatment in air atmosphere or nonoxidizing atmosphere into
Row.
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 | 56%IACS | 220MPa | 16% |
| Embodiment 2 | 54%IACS | 210MPa | 14% |
| Embodiment 3 | 57%IACS | 207MPa | 13% |
| Embodiment 4 | 58%IACS | 215MPa | 15% |
| Embodiment 5 | 56%IACS | 217MPa | 16% |
| 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.
Anticorrosion aluminium conducting wire of the present invention has higher conductivity, flexibility, and intensity is high, oxytolerant
Change, endurance, electric conductivity is strong, and the extensibility, fatigue resistance, creep resistance than existing conductor thread core aluminium alloy are all improved, together
When it is light-weight, wear-resisting, corrosion-resistant, safe to use, stability is high, and manufacturing cost is low, specific as follows：
（1）The present invention first melts raw material, casts, Homogenization Treatments, milling train, annealing, squeezing out conducting wire and sofening 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 and Au 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 anticorrosion aluminium conducting wire, which is characterized in that its each component and its mass percentage content are：Ag：0.9~
1.7；Fe：0.6~1.2； Si：0.24~0.36；Cr：0.3~0.8；Be：0.05~0.11；Cu：2~6；Mn：0.01~
0.03；La：0.02~0.07；Mg：0.2~0.38；Sc：0.2~0.7；Ti：0.24~0.32；Zn：0.4~0.8；Au：0.3
~0.5；Surplus be Al and can not to avoid impurity.
2. anticorrosion aluminium conducting wire according to claim 1, which is characterized in that its each component and its mass percent contain
Amount is：Ag：1~1.2；Fe：0.7~1.1； Si：0.25~0.30；Cr：0.4~0.7；Be：0.08~0.10；Cu：3~5；
Mn：0.015~0.024；La：0.03~0.06；Mg：0.26~0.31；Sc：0.3~0.6；Ti：0.26~0.29；Zn：0.5
~0.7；Au：0.38~0.42；Surplus be Al and can not to avoid impurity.
3. anticorrosion aluminium conducting wire according to claim 1, which is characterized in that its each component and its mass percent contain
Amount is：Ag：1.1；Fe：0.8； Si：0.26；Cr：0.5；Be：0.09；Cu：4；Mn：0.017；La：0.04；Mg：0.29；Sc：
0.4；Ti：0.28；Zn：0.63；Au：0.41；Surplus be Al and can not to avoid impurity.
4. a kind of method preparing any one of claims 1 to 3 anticorrosion aluminium conducting wire, which is characterized in that including with
Lower step：
（1）Raw material is weighed according to the above ratio；
（2）Each raw material is placed in melting furnace, is first heated to 1200~1300 DEG C, insulated and stirred 1~2 hour, then be warming up to
1500~1700 DEG C, insulated and stirred 30~60 minutes is finally cooled to 1400~1500 DEG C, insulated and stirred 40~80 minutes；
（3）By step（2）The product of gained is cooled to 740~780 DEG C, and refining agent is added, and carries out first time refining, and heat preservation is stood
It skims after 30 minutes, melt is then poured into holding furnace, be cooled to 680~710 DEG C, refining agent is added, carry out second and refine,
It stands after sixty minutes, skims, obtain aluminium alloy melt；
（4）By step（3）The aluminium alloy melt obtained is cast, and is obtained aluminium ingot, is then carried out Homogenization Treatments；
（5）By step（4）Aluminium ingot after Homogenization Treatments imports milling train and aluminium alloy rod is made, and the temperature for importing milling train is 450~
500 DEG C, finishing temperature is 280~320 DEG C；
（6）By step（5）The aluminium alloy rod of gained, which is placed in annealing furnace, to be made annealing treatment, then cooled to room temperature；
（7）By step（6）The aluminium alloy rod of gained is sent into the mold of extruder, is squeezed out by extruder, required by obtaining
Conductor wire core；
（8）By step（7）The conductor wire core of gained carries out sofening treatment to get the anticorrosion aluminium conducting wire.
5. preparation method according to claim 4, which is characterized in that the step（3）Middle first time refining, refining agent
Additive amount is the 0.04% of the aluminium alloy aluminium alloy melt weight, and the additive amount of second of refining, refining agent is the aluminium alloy
The 0.06% of aluminium alloy melt weight.
6. preparation method according to claim 4, which is characterized in that the step（3）Middle refining agent is by Na2SiF6、C2Cl6
It mixes and constitutes with NaF, the Na2SiF6、C2Cl6Mass ratio with NaF is 1:3:0.1.
7. preparation method according to claim 4, which is characterized in that the step（4）The temperature of middle Homogenization Treatments is
480 DEG C, the Homogenization Treatments time is 6 hours.
8. preparation method according to claim 4, which is characterized in that the step（6）The process of middle annealing is as follows：
First stage：It is 480 DEG C to make annealing treatment temperature, and the annealing time is 5 hours；
Second stage：It is 530 DEG C to make annealing treatment temperature, and the annealing time is 8 hours；
Phase III：It is 420 DEG C to make annealing treatment temperature, and the annealing time is 3 hours.
9. preparation method according to claim 4, which is characterized in that the step（7）The extruded velocity of extruder is
18m/min。
10. preparation method according to claim 4, which is characterized in that the step（8）Described in sofening treatment be pass through
Step mode and the continuous sofening treatment carried out or the continuous sofening treatment carried out by high-frequency induction heating, and it is described soft
Change processing to carry out in air atmosphere or nonoxidizing atmosphere.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2018
- 2018-07-03 CN CN201810718620.7A patent/CN108486443A/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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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