CN106504813B - A kind of rare earth aluminium alloy communication power cable and preparation method thereof - Google Patents
A kind of rare earth aluminium alloy communication power cable and preparation method thereof Download PDFInfo
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- CN106504813B CN106504813B CN201611004920.6A CN201611004920A CN106504813B CN 106504813 B CN106504813 B CN 106504813B CN 201611004920 A CN201611004920 A CN 201611004920A CN 106504813 B CN106504813 B CN 106504813B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/003—Power cables including electrical control or communication wires
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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
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
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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
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
- H01B1/023—Alloys based on aluminium
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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Abstract
The invention discloses a kind of rare earth aluminium alloy communication power cable, it is related to communication power cable field, including conductive core and communication cable, the conductive core outside communication cable is rare earth aluminium alloy conductive core, rare-earth aluminum alloy lead wire core is Al Fe Ag S R aluminium alloys, and wherein components by weight is：Fe=0.05wt%~0.8wt%, Ag=0.01wt%~0.05wt%, S=0.02wt%~0.25wt%, R=0.005wt%~0.25wt%, surplus for Al；Wherein S is one or more element combinations in V, Ti, Cr, Mn, Ni, and R is one or more element combinations in rare earth element；The present invention also disclosed the preparation method of above-mentioned rare earth aluminium alloy communication power cable simultaneously；It is high that the present invention solves conventional OPLC cables manufacturings cost, electric power, the shortcomings that mechanical performance is not high enough.
Description
Technical field
The present invention relates to communication power cable field, more particularly to a kind of rare earth aluminium alloy communication power cable and its preparation
Method.
Background technology
Recently as the every capital construction of country develop rapidly and the progress of information technology, removed in each engineering project
It is also more and more with demand is built to information engineering outside the demand for dispensing electric power.Live in business, factory, school, road, city are matched somebody with somebody
The engineering projects such as set engineering, airport and track traffic all propose more requirements to the information transmission system, to Internet, TV
For the data communication networks such as network, LAN, telecommunication path net, the information transmission system is all essential part.Traditional
All it is that electric power and communication are separately designed into construction in electric power, the construction of network engineering Project design, that is, is divided into heavy current engineering and light current
Engineering.With the continuous progress of new technology, optical fiber composite low-voltage cable OPLC (Optical Fiber Composite Low
Voltage Cable) arise at the historic moment, can only carry out once design and construction using OPLC can complete electric power and communication cable
Laying, this causes electric power to separately design the situation of construction with communication with electric power in network engineering and be changed.OPLC has merged light
The function of fiber communication and power transmission, for simple function transmission cable, OPLC has high reliability data transmission, connection
Facilitate, occupy little space, avoid secondary wiring, reduce the characteristics of engineering cost, while solving the communication issue of power network.This
So that OPLC is in the medium field of data transfer of home intelligence, office automation, digital transformer substation and industry control network
With consequence.But due to the shortcomings that its cost is high, high temperature transmission characteristic is undesirable, physical and mechanical properties is not strong, institute its
Substantial amounts of popularization is using need to day be wiped in engineering.Existing OPLC is that coiling copper core or aluminium core or aluminium close outside fiber optic cables
Jin Xin is formed, and domestic copper resource increasingly lacks.And aluminium core or common aluminum alloy core, in tensile strength, elongation at break, lead
The performance parameters of electric rate, mean creep rate etc. are poor.And the rare earth resources in China enrich with bauxite resource, rare earth element is fitted
When addition can greatly improve the mechanical and physical performance of aluminium alloy, and current and useless rare earth aluminium alloy material manufacture communication electric power electricity
The report of cable.
The content of the invention
To solve the above problems, the present invention provides a kind of rare earth aluminium alloy communication power cable and preparation method thereof, the party
The more existing OPLC cable machineries physical property of rare earth aluminium alloy communication power cable made of method greatly improves, and conductance is higher than aluminium
With common aluminum alloy cable, cost is less than OPLC copper cables, and decay resistance greatly improves, and fire resistance is more than or equal to national 1A
Level, life-span relatively improve 15~20 years with model copper cable, make rare earth aluminium alloy communication cable piece electrical performance and mechanical thing
Rationality can be obviously improved.
The concrete scheme of the present invention is as follows：
First, the invention discloses a kind of rare earth aluminium alloy communication power cable, including conductive core and communication cable, logical
The conductive core interrogated outside cable is rare earth aluminium alloy conductive core, and the rare-earth aluminum alloy lead wire core is Al-Fe-Ag-S-R aluminium alloys,
Wherein components by weight is：Fe=0.05wt%~0.8wt%, Ag=0.01wt%~0.05wt%, S=0.02wt%~
0.25wt%, R=0.005wt%~0.25wt%, surplus for Al；Wherein, S V, Ti, Cr.
Preferably, the summation of the content of the S and Fe content is no more than 0.85wt%, and Ag content is no more than
0.05wt%, because, micro silver is with the addition of in rare earth aluminium alloy so that primary aluminum base material matter conductance is significantly carried
Height, while after adding iron, the conductance of cable can reduce, so the good Fe of control Ag ratio is to controlling electrically and physical property
Balance it is particularly important, after being added according to aforementioned proportion, the conductance of cable be still improve 5% on the basis of primary aluminum base~
15%, while raising of the iron also to the mechanical and physical performance of cable.
Preferably, wherein the 55% of R total contents should be Ce or La.
In addition, the invention discloses a kind of preparation method of rare earth aluminium alloy communication power cable, comprise the following steps：
(1) rare earth aluminium alloy raw material is prepared：Preparation raw material, wherein each element composition weight ratio for Fe=0.05wt%~
0.8wt%, Ag=0.01wt%~0.05wt%, S=0.02wt%~0.25wt%, R=0.005wt%~0.25wt%,
Surplus is one or more element combinations in V, Ti, Cr, Mn, Ni for Al, wherein S, and R is one kind or more in rare earth element
Kind element combinations；These rare earth elements can purify alloy, crystal grain thinning and tissue.
(2) melting：The rare earth aluminium alloy raw material prepared in step (1) is put into constant temperature furnace cupola and carries out melting, is melted
It is 720 DEG C -780 DEG C to refine temperature, obtains melt rare earth aluminium alloy；
(3) cast rare earth aluminium alloy cast ingot：After melt rare earth aluminium alloy in step (2) is cooled into 660 DEG C -680 DEG C
Cast, obtain rare earth aluminium alloy ingot casting；
(4) solution treatment：The rare earth aluminium alloy ingot casting obtained in step (3) is carried out into solution treatment；
(5) Ageing Treatment：The rare earth aluminium alloy ingot casting obtained in step (4) is subjected to Ageing Treatment；
(6) sofening treatment：By the rare earth aluminium alloy ingot casting obtained in step (5) carry out sofening treatment, whole process
Carried out in inert gas environment；
(7) suppress：The rare earth aluminium alloy obtained in step (6) is pressed into rare earth aluminium alloy bar；
(8) cold-drawn wire drawing：The rare earth aluminium alloy bar obtained in step (7) is subjected to cold-drawn wire drawing into required diameter,
Obtain rare earth aluminium alloy line；
(9) press twisted：The rare earth aluminium alloy line obtained in step (8) is pressed and is twisted as rare earth aluminium alloy conductive core；
(10) anneal：The rare earth aluminium alloy conductive core obtained in step (9) is made annealing treatment, annealing temperature 400
DEG C -420 DEG C, time 24h；
(11) wrapped fireproof mica piece extrudes external insulation layer：By the rare earth aluminium alloy conductive core obtained in step (10) further around
Bag fireproof mica piece extrudes the rare earth aluminium alloy conductive core that sub-thread is made in external insulation layer；
(12) communication cable oversheath hardening encapsulation process：It is laggard that one layer of hardening sealing fluid is coated in communication cable oversheath
Row bakees drying；
(13) stranding：Led outside the communication cable obtained in step (12) tightly around the rare earth aluminium alloy obtained in step (11)
Battery core bodies, while add in rare earth aluminium alloy communication power cable to fill out and rush material, then carry out rare earth aluminium alloy communication power cable
The coiling of lapping layer, then extrude rare earth aluminium alloy communication power cable external sheath layer.
Further, in the melting of step (2), refining agent is added after melt rare earth aluminium alloy is obtained and is uniformly stirred
Mix, then stand insulation 30min.
Preferably, the temperature of solution treatment is 450 DEG C~650 DEG C in step (4), and the time is 45min~60min.
Preferably.The temperature of Ageing Treatment is 300 DEG C~480 DEG C in step (5), and the time is 1h~4h.
Preferably, the temperature of sofening treatment is 145 DEG C~160 DEG C in step (6), and the time is 3h~6h.
Preferably, the stoving temperature in step (12) is 90 DEG C~200 DEG C, and hardenability is less than 25%.
After such scheme, the beneficial effect and obvious progress acquired by the present invention are as follows：
(1) present invention with the addition of micro silver in the cable, and silver-colored conductance is more than copper, gold, aluminium, iron, although only adding
Micro silver, but can also improve the electric conductivity of cable well；
(2) present invention with the addition of micro iron in the cable, and iron can improve the mechanical strength and tensile property of aluminium alloy,
The tensile strength of aluminium base, yield limit and heat resistance are improved, improves the plasticity of alloy, Aluminum in Alloy separates out part with iron to be had
Al3Fe, Al2Fe3, Al4Fe5 compound separate out, and in the preparation process of cable, are dissolved by the high temperature anneal smaller more
For orderly solid solution Fe to improve conductance in aluminium base, disperse educt can mutually strengthen anti-fatigue performance and the hot operation of alloy
Heat resistance, iron can improve the mechanical strength and tensile property of aluminium alloy, hence it is evident that improve the high-temperature creep resistance of aluminium alloy
Energy and anti-fatigue performance；
(3) present invention also added micro S compositions in the cable, one or more first in S V, Ti, Cr, Mn, Ni
Element combination, the addition of S compositions can improve the intensity and high temperature creep property of alloy, and can improve anti-fatigue performance, Ti, Ni
It can also improve the processing characteristics of alloy, V, Mn can improve mechanical strength, improve corrosion resistance, S=0.02wt%~
0.25wt%；
(4) present invention also added micro R component in the cable, can not only improve the electrical property of alloy, moreover it is possible to carry
The anti-fatigue performance of high alloy, extend the service life of cable；
(5) solution treatment is carried out to rare earth aluminium alloy ingot casting, improves the mechanical strength and high-temperature creep resistance of aluminium alloy；
(6) Ageing Treatment is carried out to rare earth aluminium alloy ingot casting, Ageing Treatment is uniformly distributed the performance of rare earth aluminium alloy, carried
The high-temperature creep resistance of high rare earth aluminium alloy；
(7) sofening treatment is carried out to rare earth aluminium alloy ingot casting, the residual stress in process can be eliminated, further changed
The performance of kind rare earth aluminium alloy, especially optimize the mechanical performance and electrical property of rare earth aluminium alloy, improve the ductility of aluminium alloy
Energy and anti-fatigue performance；
(8) performance parameter of the rare earth aluminium alloy manufactured according to the method for this programme is：Tensile strength is more than or equal to
200MPa；Elongation at break is more than or equal to 20%；Conductance is more than or equal to 70%IACS；Average creep speed be less than or equal to 6 ×
10-2%/h；Tired bending number of times is more than or equal to 30.
(8) aluminum feedstock, which stores larger fine aluminium used herein in China, has that raw material supply is sufficient, cost is low, buying
It is convenient.
Brief description of the drawings
Fig. 1 is the FB(flow block) of the preparation method of the present invention.
Embodiment
All features disclosed in this specification, can be with any in addition to mutually exclusive feature and/or step
Mode combines.The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that discussed below
Embodiment be only the present invention part of the embodiment, rather than whole embodiment.Based on embodiments of the invention, ability
The every other embodiment that domain those of ordinary skill is obtained under the premise of creative work is not made, belong to the present invention's
The scope of protection.
Embodiment 1
A kind of rare earth aluminium alloy communication power cable, including conductive core and communication cable, the conductive core outside communication cable
For rare earth aluminium alloy conductive core, rare-earth aluminum alloy lead wire core is Al-Fe-Ag-S-R aluminium alloys, and wherein components by weight is：
Fe=0.72wt%, Ag=0.012wt%, S=V0.02wt%+Cr0.05wt%, R=0.24wt%, surplus
For Al.
A kind of preparation method of rare earth aluminium alloy communication power cable, comprises the following steps：
(1) rare earth aluminium alloy raw material is prepared：It is 99.80% fine aluminium as matrix alloy raw material to use purity, according to above-mentioned
Ratio formula prepares alfer, aluminium silver alloy, aluminium S alloys, aluminium R alloys,
(2) melting：The rare earth aluminium alloy raw material prepared in step (1) is put into constant temperature furnace cupola and carries out melting, is melted
Refining temperature is 780 DEG C and obtains melt rare earth alloy, and refining agent is added in alloy melt and is stirred, then stands insulation
30min, obtain melt rare earth aluminium alloy；
(3) cast rare earth aluminium alloy cast ingot：Cast after melt rare earth aluminium alloy in step (2) is cooled into 670 DEG C
Make, obtain rare earth aluminium alloy ingot casting；
(4) solution treatment：The rare earth aluminium alloy ingot casting obtained in step (3) is carried out into solution treatment, solution treatment
Temperature is 650 DEG C, time 60min,；
(5) Ageing Treatment：The rare earth aluminium alloy ingot casting obtained in step (4) is subjected to Ageing Treatment, the temperature of Ageing Treatment
Spend for 480 DEG C, time 4h；
(6) sofening treatment：The rare earth aluminium alloy ingot casting obtained in step (5) is subjected to sofening treatment, the temperature of sofening treatment
Spend for 160 DEG C, time 6h, whole process is being carried out in inert gas environment；
The tensile strength of the rare earth aluminium alloy obtained through above-mentioned steps is equal to 250MPa, and elongation at break is equal to 25%, led
Electric rate is equal to 70%IACS, and average creep speed is equal to 6 × 10-2%/h, and tired bending number of times is equal to 33；
(7) suppress：The rare earth aluminium alloy obtained in step (6) is pressed into rare earth aluminium alloy bar；
(8) cold-drawn wire drawing：The rare earth aluminium alloy bar obtained in step (7) is subjected to cold-drawn wire drawing into required diameter,
Obtain rare earth aluminium alloy line；
(9) press twisted：The rare earth aluminium alloy line obtained in step (8) is pressed and is twisted as rare earth aluminium alloy conductive core；
(10) anneal：The rare earth aluminium alloy conductive core obtained in step (9) is made annealing treatment, annealing temperature 420
DEG C, time 24h；
(11) wrapped fireproof mica piece extrudes external insulation layer：By the rare earth aluminium alloy conductive core obtained in step (10) further around
Bag fireproof mica piece extrudes the rare earth aluminium alloy conductive core that sub-thread is made in external insulation layer；
(12) communication cable oversheath hardening encapsulation process：It is laggard that one layer of hardening sealing fluid is coated in communication cable oversheath
Row bakees drying；Stoving temperature is 120 DEG C, and hardenability is equal to 22%；
(13) stranding：Led outside the communication cable obtained in step (12) tightly around the rare earth aluminium alloy obtained in step (11)
Battery core bodies, while add in rare earth aluminium alloy communication power cable to fill out and rush material, then carry out rare earth aluminium alloy communication power cable
The coiling of lapping layer, then rare earth aluminium alloy communication power cable external sheath layer is extruded, it is eventually fabricated rare earth aluminium alloy communication electric power
Cable.
Embodiment 2
A kind of rare earth aluminium alloy communication power cable, including conductive core and communication cable, the conductive core outside communication cable
For rare earth aluminium alloy conductive core, rare-earth aluminum alloy lead wire core is Al-Fe-Ag-S-R aluminium alloys, and wherein components by weight is：
Fe=0.63wt%, Ag=0.018wt%, S=V0.21wt%, R=0.003wt%, surplus for Al.
A kind of preparation method of rare earth aluminium alloy communication power cable, it is characterised in that comprise the following steps：
(1) rare earth aluminium alloy formula is prepared：It is 99.80% fine aluminium as matrix alloy raw material to use purity, according to above-mentioned
Ratio formula prepares alfer, aluminium silver alloy, aluminium S alloys, aluminium R alloys,
(2) melting：The rare earth aluminium alloy raw material prepared in step (1) is put into constant temperature furnace cupola and carries out melting, is melted
Refining temperature is 770 DEG C and obtains melt rare earth alloy, and refining agent is added in alloy melt and is stirred, then stands insulation
30min；Obtain melt rare earth aluminium alloy；
(3) cast rare earth aluminium alloy cast ingot：Cast after melt rare earth aluminium alloy in step (2) is cooled into 675 DEG C
Make, obtain rare earth aluminium alloy ingot casting；
(4) solution treatment：The rare earth aluminium alloy ingot casting obtained in step (3) is carried out into solution treatment, solution treatment
Temperature is 620 DEG C, time 60min,；
(5) Ageing Treatment：The rare earth aluminium alloy ingot casting obtained in step (4) will be subjected to Ageing Treatment, Ageing Treatment
Temperature is 470 DEG C, time 3.6h；
(6) sofening treatment：The rare earth aluminium alloy ingot casting obtained in step (5) is subjected to sofening treatment, the temperature of sofening treatment
Spend for 160 DEG C, time 6h, whole process is being carried out in inert gas environment；
The tensile strength of the rare earth aluminium alloy obtained through above-mentioned steps is equal to 246Mpa, and elongation at break is equal to 25%, led
Electric rate is equal to 71%IACS, and average creep speed is equal to 5.8 × 10-2%/h, and tired bending number of times is equal to 30；
(7) suppress：The rare earth aluminium alloy obtained in step (6) is pressed into rare earth aluminium alloy bar；
(8) cold-drawn wire drawing：The rare earth aluminium alloy bar obtained in step (7) is subjected to cold-drawn wire drawing into required diameter,
Obtain rare earth aluminium alloy line；
(9) press twisted：The rare earth aluminium alloy line obtained in step (8) is pressed and is twisted as rare earth aluminium alloy conductive core；
(10) anneal：The rare earth aluminium alloy conductive core obtained in step (9) is made annealing treatment, annealing temperature 420
DEG C, time 24h；
(11) wrapped fireproof mica piece extrudes external insulation layer：By the rare earth aluminium alloy conductive core obtained in step (10) further around
Bag fireproof mica piece extrudes the rare earth aluminium alloy conductive core that sub-thread is made in external insulation layer；
(12) communication cable oversheath hardening encapsulation process：It is laggard that one layer of hardening sealing fluid is coated in communication cable oversheath
Row bakees drying；Stoving temperature is 120 DEG C, and hardenability is equal to 22%；
(13) stranding：Led outside the communication cable obtained in step (12) tightly around the rare earth aluminium alloy obtained in step (11)
Battery core bodies, while add in rare earth aluminium alloy communication power cable to fill out and rush material, then carry out rare earth aluminium alloy communication power cable
The coiling of lapping layer, then rare earth aluminium alloy communication power cable external sheath layer is extruded, it is eventually fabricated rare earth aluminium alloy communication electric power
Cable.
Embodiment 3
A kind of rare earth aluminium alloy communication power cable, including conductive core and communication cable, the conductive core outside communication cable
For rare earth aluminium alloy conductive core, rare-earth aluminum alloy lead wire core is Al-Fe-Ag-S-R aluminium alloys, and wherein components by weight is：
Fe=0.59wt%, Ag=0.021wt%, S=Ti0.13wt%+Ni0.05wt%, R=0.11wt%, surplus
For Al.
A kind of preparation method of rare earth aluminium alloy communication power cable, it is characterised in that comprise the following steps：
(1) rare earth aluminium alloy raw material is prepared：It is 99.80% fine aluminium as matrix alloy raw material to use purity, according to above-mentioned
Ratio formula prepares alfer, aluminium silver alloy, aluminium S alloys, aluminium R alloys,
(2) melting：The rare earth aluminium alloy raw material prepared in step (1) is put into constant temperature furnace cupola and carries out melting, is melted
Refining temperature is 760 DEG C and obtains melt rare earth alloy, and refining agent is added in alloy melt and is stirred, then stands insulation
30min；Obtain melt rare earth aluminium alloy；
(3) cast rare earth aluminium alloy cast ingot：Cast after melt rare earth aluminium alloy in step (2) is cooled into 670 DEG C
Make, obtain rare earth aluminium alloy ingot casting；
(4) solution treatment：The rare earth aluminium alloy ingot casting obtained in step (3) is carried out into solution treatment, solution treatment
Temperature is 590 DEG C, time 55min,；
(5) Ageing Treatment：The rare earth aluminium alloy ingot casting obtained in step (4) is subjected to Ageing Treatment, the temperature of Ageing Treatment
Spend for 450 DEG C, time 3.3h；
(6) sofening treatment：The rare earth aluminium alloy ingot casting obtained in step (5) is subjected to sofening treatment, the temperature of sofening treatment
Spend for 155 DEG C, time 5.5h, whole process is being carried out in inert gas environment；
The tensile strength of the rare earth aluminium alloy obtained through above-mentioned steps is equal to 243MPa, and elongation at break is equal to 24%, led
Electric rate is equal to 72%IACS, and average creep speed is equal to 5.3 × 10-2%/h, and tired bending number of times is equal to 33；
(7) suppress：The rare earth aluminium alloy obtained in step (6) is pressed into rare earth aluminium alloy bar；
(8) cold-drawn wire drawing：The rare earth aluminium alloy bar obtained in step (7) is subjected to cold-drawn wire drawing into required diameter,
Obtain rare earth aluminium alloy line；
(9) press twisted：The rare earth aluminium alloy line obtained in step (8) is pressed and is twisted as rare earth aluminium alloy conductive core；
(10) anneal：The rare earth aluminium alloy conductive core obtained in step (9) is made annealing treatment, annealing temperature 415
DEG C, time 23.5h；
(11) wrapped fireproof mica piece extrudes external insulation layer：By the rare earth aluminium alloy conductive core obtained in step (10) further around
Bag fireproof mica piece extrudes the rare earth aluminium alloy conductive core that sub-thread is made in external insulation layer；
(12) communication cable oversheath hardening encapsulation process：It is laggard that one layer of hardening sealing fluid is coated in communication cable oversheath
Row bakees drying；Stoving temperature is 100 DEG C, and hardenability is equal to 21%；
(13) stranding：Led outside the communication cable obtained in step (12) tightly around the rare earth aluminium alloy obtained in step (11)
Battery core bodies, while add in rare earth aluminium alloy communication power cable to fill out and rush material, then carry out rare earth aluminium alloy communication power cable
The coiling of lapping layer, then rare earth aluminium alloy communication power cable external sheath layer is extruded, it is eventually fabricated rare earth aluminium alloy communication electric power
Cable.
Embodiment 4
A kind of rare earth aluminium alloy communication power cable, including conductive core and communication cable, the conductive core outside communication cable
For rare earth aluminium alloy conductive core, rare-earth aluminum alloy lead wire core is Al-Fe-Ag-S-R aluminium alloys, and wherein components by weight is：
Fe=0.56wt%, Ag=0.026wt%, S=V0.12wt%, R=0.02wt%, surplus for Al.
A kind of preparation method of rare earth aluminium alloy communication power cable, it is characterised in that comprise the following steps：
(1) rare earth aluminium alloy raw material is prepared：It is 99.80% fine aluminium as matrix alloy raw material to use purity, according to above-mentioned
Ratio formula prepares alfer, aluminium silver alloy, aluminium S alloys, aluminium R alloys,
(2) melting：The rare earth aluminium alloy raw material prepared in step (1) is put into constant temperature furnace cupola and carries out melting, is melted
Refining temperature is 750 DEG C and obtains melt rare earth alloy, and refining agent is added in alloy melt and is stirred, then stands insulation
30min；Obtain melt rare earth aluminium alloy；
(3) cast rare earth aluminium alloy cast ingot：Cast after melt rare earth aluminium alloy in step (2) is cooled into 680 DEG C
Make, obtain rare earth aluminium alloy ingot casting；
(4) solution treatment：The rare earth aluminium alloy ingot casting obtained in step (3) is carried out into solution treatment, solution treatment
Temperature is 560 DEG C, time 55min,；
(5) Ageing Treatment：The rare earth aluminium alloy ingot casting obtained in step (4) is subjected to Ageing Treatment, the temperature of Ageing Treatment
Spend for 430 DEG C, time 3h；
(6) sofening treatment：The rare earth aluminium alloy ingot casting obtained in step (5) is subjected to sofening treatment, the temperature of sofening treatment
Spend for 155 DEG C, time 5.5h, whole process is being carried out in inert gas environment；
The tensile strength of the rare earth aluminium alloy obtained through above-mentioned steps is equal to 237MPa, and elongation at break is equal to 24%, led
Electric rate is equal to 73%IACS, and average creep speed is equal to 5.1 × 10-2%/h, and tired bending number of times is equal to 32；
(7) suppress：The rare earth aluminium alloy obtained in step (6) is pressed into rare earth aluminium alloy bar；
(8) cold-drawn wire drawing：The rare earth aluminium alloy bar obtained in step (7) is subjected to cold-drawn wire drawing into required diameter,
Obtain rare earth aluminium alloy line；
(9) press twisted：The rare earth aluminium alloy line obtained in step (8) is pressed and is twisted as rare earth aluminium alloy conductive core；
(10) anneal：The rare earth aluminium alloy conductive core obtained in step (9) is made annealing treatment, annealing temperature 415
DEG C, time 23.5h；
(11) wrapped fireproof mica piece extrudes external insulation layer：By the rare earth aluminium alloy conductive core obtained in step (10) further around
Bag fireproof mica piece extrudes the rare earth aluminium alloy conductive core that sub-thread is made in external insulation layer；
(12) communication cable oversheath hardening encapsulation process：It is laggard that one layer of hardening sealing fluid is coated in communication cable oversheath
Row bakees drying；Stoving temperature is 100 DEG C, and hardenability is equal to 21%；
(13) stranding：Led outside the communication cable obtained in step (12) tightly around the rare earth aluminium alloy obtained in step (11)
Battery core bodies, while add in rare earth aluminium alloy communication power cable to fill out and rush material, then carry out rare earth aluminium alloy communication power cable
The coiling of lapping layer, then rare earth aluminium alloy communication power cable external sheath layer is extruded, it is eventually fabricated rare earth aluminium alloy communication electric power
Cable.
Embodiment 5
A kind of rare earth aluminium alloy communication power cable, including conductive core and communication cable, the conductive core outside communication cable
For rare earth aluminium alloy conductive core, rare-earth aluminum alloy lead wire core is Al-Fe-Ag-S-R aluminium alloys, and wherein components by weight is：
Fe=0.48wt%, Ag=0.031wt%, S=Ni0.23wt%, R=0.12wt%, surplus for Al.
A kind of preparation method of rare earth aluminium alloy communication power cable, it is characterised in that comprise the following steps：
(1) rare earth aluminium alloy raw material is prepared：It is 99.80% fine aluminium as matrix alloy raw material to use purity, according to above-mentioned
Ratio formula prepares alfer, aluminium silver alloy, aluminium S alloys, aluminium R alloys,
(2) melting：The rare earth aluminium alloy raw material prepared in step (1) is put into constant temperature furnace cupola and carries out melting, is melted
Refining temperature is 745 DEG C and obtains melt rare earth alloy, and refining agent is added in alloy melt and is stirred, then stands insulation
30min；Obtain melt rare earth aluminium alloy；
(3) cast rare earth aluminium alloy cast ingot：Melt rare earth aluminium alloy in step (2) is cooled to 665 DEG C, after cast
Make, obtain rare earth aluminium alloy ingot casting；
(4) solution treatment：The rare earth aluminium alloy ingot casting obtained in step (3) is carried out into solution treatment, solution treatment
Temperature is 530 DEG C, time 50min,；
(5) Ageing Treatment：The rare earth aluminium alloy ingot casting obtained in step (4) is subjected to Ageing Treatment, the temperature of Ageing Treatment
Spend for 410 DEG C, time 2.8h；
(6) sofening treatment：The rare earth aluminium alloy ingot casting obtained in step (5) is subjected to sofening treatment, the temperature of sofening treatment
Spend for 150 DEG C, time 5h, whole process is being carried out in inert gas environment；
The tensile strength of the rare earth aluminium alloy obtained through above-mentioned steps is equal to 231MPa, and elongation at break is equal to 22%, led
Electric rate is equal to 73%IACS, and average creep speed is equal to 4.9 × 10-2%/h, and tired bending number of times is equal to 31；
(7) suppress：The rare earth aluminium alloy obtained in step (6) is pressed into rare earth aluminium alloy bar；
(8) cold-drawn wire drawing：The rare earth aluminium alloy bar obtained in step (7) is subjected to cold-drawn wire drawing into required diameter,
Obtain rare earth aluminium alloy line；
(9) press twisted：The rare earth aluminium alloy line obtained in step (8) is pressed and is twisted as rare earth aluminium alloy conductive core；
(10) anneal：The rare earth aluminium alloy conductive core obtained in step (9) is made annealing treatment, annealing temperature 410
DEG C, time 23h；
(11) wrapped fireproof mica piece extrudes external insulation layer：By the rare earth aluminium alloy conductive core obtained in step (10) further around
Bag fireproof mica piece extrudes the rare earth aluminium alloy conductive core that sub-thread is made in external insulation layer；
(12) communication cable oversheath hardening encapsulation process：It is laggard that one layer of hardening sealing fluid is coated in communication cable oversheath
Row bakees drying；Stoving temperature is 95 DEG C, and hardenability is equal to 20%；
(13) stranding：Led outside the communication cable obtained in step (12) tightly around the rare earth aluminium alloy obtained in step (11)
Battery core bodies, while add in rare earth aluminium alloy communication power cable to fill out and rush material, then carry out rare earth aluminium alloy communication power cable
The coiling of lapping layer, then rare earth aluminium alloy communication power cable external sheath layer is extruded, it is eventually fabricated rare earth aluminium alloy communication electric power
Cable.
Embodiment 6
A kind of rare earth aluminium alloy communication power cable, including conductive core and communication cable, the conductive core outside communication cable
For rare earth aluminium alloy conductive core, rare-earth aluminum alloy lead wire core is Al-Fe-Ag-S-R aluminium alloys, and wherein components by weight is：
Fe=0.46wt%, Ag=0.036wt%, S=Ti0.25wt%, R=0.08wt%, surplus for Al.
A kind of preparation method of rare earth aluminium alloy communication power cable, it is characterised in that comprise the following steps：
(1) rare earth aluminium alloy raw material is prepared：It is 99.80% fine aluminium as matrix alloy raw material to use purity, according to above-mentioned
Ratio formula prepares alfer, aluminium silver alloy, aluminium S alloys, aluminium R alloys,
(2) melting：The rare earth aluminium alloy raw material prepared in step (1) is put into constant temperature furnace cupola and carries out melting, is melted
Refining temperature is 735 DEG C and obtains melt rare earth alloy, and refining agent is added in alloy melt and is stirred, then stands insulation
30min, obtain melt rare earth aluminium alloy；
(3) cast rare earth aluminium alloy cast ingot：Cast after melt rare earth aluminium alloy in step (2) is cooled into 680 DEG C
Make, obtain rare earth aluminium alloy ingot casting；
(4) solution treatment：The rare earth aluminium alloy ingot casting obtained in step (3) is carried out into solution treatment, solution treatment
Temperature is 500 DEG C, time 50min,；
(5) Ageing Treatment：The rare earth aluminium alloy ingot casting obtained in step (4) is subjected to Ageing Treatment, the temperature of Ageing Treatment
Spend for 390 DEG C, time 2.5h；
(6) sofening treatment：The rare earth aluminium alloy ingot casting obtained in step (5) is subjected to sofening treatment, the temperature of sofening treatment
Spend for 150 DEG C, time 5h, whole process is being carried out in inert gas environment；
The tensile strength of the rare earth aluminium alloy obtained through above-mentioned steps is equal to 238Mpa, and elongation at break is equal to 22%, led
Electric rate is equal to 74%IACS, and average creep speed is equal to 4.8 × 10-2%/h, and tired bending number of times is equal to 34；
(7) suppress：The rare earth aluminium alloy obtained in step (6) is pressed into rare earth aluminium alloy bar；
(8) cold-drawn wire drawing：The rare earth aluminium alloy bar obtained in step (7) is subjected to cold-drawn wire drawing into required diameter,
Obtain rare earth aluminium alloy line；
(9) press twisted：The rare earth aluminium alloy line obtained in step (8) is pressed and is twisted as rare earth aluminium alloy conductive core；
(10) anneal：The rare earth aluminium alloy conductive core obtained in step (9) is made annealing treatment, annealing temperature 410
DEG C, time 23h；
(11) wrapped fireproof mica piece extrudes external insulation layer：By the rare earth aluminium alloy conductive core obtained in step (10) further around
Bag fireproof mica piece extrudes the rare earth aluminium alloy conductive core that sub-thread is made in external insulation layer；
(12) communication cable oversheath hardening encapsulation process：It is laggard that one layer of hardening sealing fluid is coated in communication cable oversheath
Row bakees drying；Stoving temperature is 95 DEG C, and hardenability is equal to 20%；
(13) stranding：Led outside the communication cable obtained in step (12) tightly around the rare earth aluminium alloy obtained in step (11)
Battery core bodies, while add in rare earth aluminium alloy communication power cable to fill out and rush material, then carry out rare earth aluminium alloy communication power cable
The coiling of lapping layer, then rare earth aluminium alloy communication power cable external sheath layer is extruded, it is eventually fabricated rare earth aluminium alloy communication electric power
Cable.
Embodiment 7
A kind of rare earth aluminium alloy communication power cable, including conductive core and communication cable, the conductive core outside communication cable
For rare earth aluminium alloy conductive core, rare-earth aluminum alloy lead wire core is Al-Fe-Ag-S-R aluminium alloys, and wherein components by weight is：
Fe=0.41wt%, Ag=0.039wt%, S=Mn0.25wt%, R=0.09wt%, surplus for Al.
A kind of preparation method of rare earth aluminium alloy communication power cable, it is characterised in that comprise the following steps：
(1) rare earth aluminium alloy raw material is prepared：It is 99.80% fine aluminium as matrix alloy raw material to use purity, according to above-mentioned
Ratio formula prepares alfer, aluminium silver alloy, aluminium S alloys, aluminium R alloys,
(2) melting：The rare earth aluminium alloy raw material prepared in step (1) is put into constant temperature furnace cupola and carries out melting, is melted
Refining temperature is 730 DEG C and obtains melt rare earth alloy, and refining agent is added in alloy melt and is stirred, then stands insulation
30min, obtain melt rare earth aluminium alloy；
(3) cast rare earth aluminium alloy cast ingot：Cast after melt rare earth aluminium alloy in step (2) is cooled into 670 DEG C
Make, obtain rare earth aluminium alloy ingot casting；
(4) solution treatment：The rare earth aluminium alloy ingot casting obtained in step (3) is carried out into solution treatment, solution treatment
Temperature is 470 DEG C, time 45min,；
(5) Ageing Treatment：The rare earth aluminium alloy ingot casting obtained in step (4) is subjected to Ageing Treatment, the temperature of Ageing Treatment
Spend for 370 DEG C, time 2.1h；
(6) sofening treatment：The rare earth aluminium alloy ingot casting obtained in step (5) is subjected to sofening treatment, the temperature of sofening treatment
Spend for 148 DEG C, time 4h, whole process is being carried out in inert gas environment；
The tensile strength of the rare earth aluminium alloy obtained through above-mentioned steps is equal to 223Mpa, and elongation at break is equal to 20%, led
Electric rate is equal to 73%IACS, and average creep speed is equal to 4.7 × 10-2%/h, and tired bending number of times is equal to 31；
(7) suppress：The rare earth aluminium alloy obtained in step (6) is pressed into rare earth aluminium alloy bar；
(8) cold-drawn wire drawing：The rare earth aluminium alloy bar obtained in step (7) is subjected to cold-drawn wire drawing into required diameter,
Obtain rare earth aluminium alloy line；
(9) press twisted：The rare earth aluminium alloy line obtained in step (8) is pressed and is twisted as rare earth aluminium alloy conductive core；
(10) anneal：The rare earth aluminium alloy conductive core obtained in step (9) is made annealing treatment, annealing temperature 400
DEG C, time 23h；
(11) wrapped fireproof mica piece extrudes external insulation layer：By the rare earth aluminium alloy conductive core obtained in step (10) further around
Bag fireproof mica piece extrudes the rare earth aluminium alloy conductive core that sub-thread is made in external insulation layer；
(12) communication cable oversheath hardening encapsulation process：It is laggard that one layer of hardening sealing fluid is coated in communication cable oversheath
Row bakees drying；Stoving temperature is 90 DEG C, and hardenability is equal to 18%；
(13) stranding：Led outside the communication cable obtained in step (12) tightly around the rare earth aluminium alloy obtained in step (11)
Battery core bodies, while add in rare earth aluminium alloy communication power cable to fill out and rush material, then carry out rare earth aluminium alloy communication power cable
The coiling of lapping layer, then rare earth aluminium alloy communication power cable external sheath layer is extruded, it is eventually fabricated rare earth aluminium alloy communication electric power
Cable.
Embodiment 8
A kind of rare earth aluminium alloy communication power cable, including conductive core and communication cable, the conductive core outside communication cable
For rare earth aluminium alloy conductive core, rare-earth aluminum alloy lead wire core is Al-Fe-Ag-S-R aluminium alloys, and wherein components by weight is：
Fe=0.36wt%, Ag=0.042wt%, S=Mn0.24wt%, R=0.008wt%, surplus for Al.
A kind of preparation method of rare earth aluminium alloy communication power cable, it is characterised in that comprise the following steps：
(1) rare earth aluminium alloy raw material is prepared：It is 99.80% fine aluminium as matrix alloy raw material to use purity, according to above-mentioned
Ratio formula prepares alfer, aluminium silver alloy, aluminium S alloys, aluminium R alloys,
(2) melting：The rare earth aluminium alloy raw material prepared in step (1) is put into constant temperature furnace cupola and carries out melting, is melted
Refining temperature is 738 DEG C and obtains melt rare earth alloy, and refining agent is added in alloy melt and is stirred, then stands insulation
30min, obtain melt rare earth aluminium alloy；
(3) cast rare earth aluminium alloy cast ingot：Cast after melt rare earth aluminium alloy in step (2) is cooled into 675 DEG C
Make, obtain rare earth aluminium alloy ingot casting；
(4) solution treatment：The rare earth aluminium alloy ingot casting obtained in step (3) is carried out into solution treatment, solution treatment
Temperature is 450 DEG C, time 45min,；
(5) Ageing Treatment：The rare earth aluminium alloy ingot casting obtained in step (4) is subjected to Ageing Treatment, the temperature of Ageing Treatment
Spend for 350 DEG C, time 1.8h；
(6) sofening treatment：The rare earth aluminium alloy ingot casting obtained in step (5) is subjected to sofening treatment, the temperature of sofening treatment
Spend for 148 DEG C, time 4h, whole process is being carried out in inert gas environment；
The tensile strength of the rare earth aluminium alloy obtained through above-mentioned steps is equal to 218Mpa, and elongation at break is equal to 20%, led
Electric rate is equal to 73%IACS, and average creep speed is equal to 4.6 × 10-2%/h, and tired bending number of times is equal to 32；
(7) suppress：The rare earth aluminium alloy obtained in step (6) is pressed into rare earth aluminium alloy bar；
(8) cold-drawn wire drawing：The rare earth aluminium alloy bar obtained in step (7) is subjected to cold-drawn wire drawing into required diameter,
Obtain rare earth aluminium alloy line；
(9) press twisted：The rare earth aluminium alloy line obtained in step (8) is pressed and is twisted as rare earth aluminium alloy conductive core；
(10) anneal：The rare earth aluminium alloy conductive core obtained in step (9) is made annealing treatment, annealing temperature 400
DEG C, time 23h；
(11) wrapped fireproof mica piece extrudes external insulation layer：By the rare earth aluminium alloy conductive core obtained in step (10) further around
Bag fireproof mica piece extrudes the rare earth aluminium alloy conductive core that sub-thread is made in external insulation layer；
(12) communication cable oversheath hardening encapsulation process：It is laggard that one layer of hardening sealing fluid is coated in communication cable oversheath
Row bakees drying；Stoving temperature is 90 DEG C, and hardenability is equal to 18%；
(13) stranding：Led outside the communication cable obtained in step (12) tightly around the rare earth aluminium alloy obtained in step (11)
Battery core bodies, while add in rare earth aluminium alloy communication power cable to fill out and rush material, then carry out rare earth aluminium alloy communication power cable
The coiling of lapping layer, then rare earth aluminium alloy communication power cable external sheath layer is extruded, it is eventually fabricated rare earth aluminium alloy communication electric power
Cable.
Claims (7)
1. a kind of rare earth aluminium alloy communication power cable, including conductive core and communication cable, it is characterised in that outside communication cable
Conductive core be rare earth aluminium alloy conductive core, the rare-earth aluminum alloy lead wire core is Al-Fe-Ag-S-R aluminium alloys, wherein component
Weight ratio is：
Fe=0.05wt%~0.8wt%；
Ag=0.01wt%~0.05wt%；
S=0.02wt%~0.25wt%；
R=0.005wt%~0.25wt%；
Surplus for Al；
The S is one or more element combinations in V, Ti, Cr, Mn, Ni, and R is one or more elements in rare earth element
Combination；The summation of the content of the S and Fe content is no more than 0.85wt%, and Ag content is no more than 0.05wt%；The R is total
The 55% of content should be Ce or La.
A kind of 2. preparation method of the rare earth aluminium alloy communication power cable based on described in claim 1, it is characterised in that including
Following steps：
(1) rare earth aluminium alloy raw material is prepared：According to the components by weight preparation raw material described in claim 1；
(2) melting：The rare earth aluminium alloy raw material prepared in step (1) is put into constant temperature furnace cupola and carries out melting, melting temperature
Spend for 720 DEG C -780 DEG C, obtain melt rare earth aluminium alloy；
(3) cast rare earth aluminium alloy cast ingot：Carried out after melt rare earth aluminium alloy in step (2) is cooled into 660 DEG C -680 DEG C
Casting, obtains rare earth aluminium alloy ingot casting；
(4) solution treatment：The rare earth aluminium alloy ingot casting obtained in step (3) is carried out into solution treatment；
(5) Ageing Treatment：The rare earth aluminium alloy ingot casting obtained in step (4) is subjected to Ageing Treatment；
(6) sofening treatment：The rare earth aluminium alloy ingot casting obtained in step (5) is subjected to sofening treatment, whole process is in inertia
Carried out in gaseous environment；
(7) suppress：The rare earth aluminium alloy obtained in step (6) is pressed into rare earth aluminium alloy bar；
(8) cold-drawn wire drawing：The rare earth aluminium alloy bar obtained in step (7) is subjected to cold-drawn wire drawing into required diameter, obtained
Rare earth aluminium alloy line；
(9) press twisted：The rare earth aluminium alloy line obtained in step (8) is pressed and is twisted as rare earth aluminium alloy conductive core；
(10) anneal：The rare earth aluminium alloy conductive core obtained in step (9) is made annealing treatment, annealing temperature be 400 DEG C-
420 DEG C, time 24h；
(11) wrapped fireproof mica piece extrudes external insulation layer：The rare earth aluminium alloy conductive core obtained in step (10) is resistance to further around wrapping
Fiery mica sheet extrudes the rare earth aluminium alloy conductive core that sub-thread is made in external insulation layer；
(12) communication cable oversheath hardening encapsulation process：Dried after communication cable oversheath coats one layer of hardening sealing fluid
Dry dry；
(13) stranding：The communication cable obtained in step (12) is outer tightly around the rare earth aluminium alloy conductive core obtained in step (11)
Body, while add in rare earth aluminium alloy communication power cable to fill out and rush material, then to carry out rare earth aluminium alloy communication power cable wrapped
The coiling of layer, then rare earth aluminium alloy communication power cable external sheath layer is extruded, it is eventually fabricated rare earth aluminium alloy communication power cable.
3. the preparation method of a kind of rare earth aluminium alloy communication power cable according to claim 2, it is characterised in that described
In the melting of step (2), refining agent and uniform stirring are added after melt rare earth aluminium alloy is obtained, then stands insulation 30min.
4. the preparation method of a kind of rare earth aluminium alloy communication power cable according to claim 2, it is characterised in that described
The temperature of solution treatment is 450 DEG C~650 DEG C in step (4), and the time is 45min~60min.
5. the preparation method of a kind of rare earth aluminium alloy communication power cable according to claim 2, it is characterised in that described
The temperature of Ageing Treatment is 300 DEG C~480 DEG C in step (5), and the time is 1h~4h.
6. the preparation method of a kind of rare earth aluminium alloy communication power cable according to claim 2, it is characterised in that described
The temperature of sofening treatment is 145 DEG C~160 DEG C in step (6), and the time is 3h~6h.
7. the preparation method of a kind of rare earth aluminium alloy communication power cable according to claim 2, it is characterised in that described
Stoving temperature in step (12) is 90 DEG C~200 DEG C, and hardenability is less than 25%.
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| CN108735330A (en) * | 2018-05-17 | 2018-11-02 | 合肥民众亿兴软件开发有限公司 | A kind of novel communication cable material and preparation method thereof |
| CN109166673B (en) * | 2018-08-07 | 2020-07-28 | 远东电缆有限公司 | Aluminum core flexible cable and manufacturing process thereof |
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