CN106636695A - Preparation method of heat-resistant aluminum alloy wire - Google Patents

Preparation method of heat-resistant aluminum alloy wire Download PDF

Info

Publication number
CN106636695A
CN106636695A CN201610549126.3A CN201610549126A CN106636695A CN 106636695 A CN106636695 A CN 106636695A CN 201610549126 A CN201610549126 A CN 201610549126A CN 106636695 A CN106636695 A CN 106636695A
Authority
CN
China
Prior art keywords
aluminum alloy
aluminium
temperature
furnace
molten aluminum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610549126.3A
Other languages
Chinese (zh)
Inventor
蔺亚强
张军
潘健
李名珍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Hengtong Electric Power Special Wire Co Ltd
Original Assignee
Jiangsu Hengtong Electric Power Special Wire Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Hengtong Electric Power Special Wire Co Ltd filed Critical Jiangsu Hengtong Electric Power Special Wire Co Ltd
Priority to CN201610549126.3A priority Critical patent/CN106636695A/en
Publication of CN106636695A publication Critical patent/CN106636695A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C21/00Alloys based on aluminium
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • H01B1/023Alloys based on aluminium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/04Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/04Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
    • B22D11/045Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds for horizontal casting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/02Making non-ferrous alloys by melting
    • C22C1/026Alloys based on aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making non-ferrous alloys
    • C22C1/06Making non-ferrous alloys with the use of special agents for refining or deoxidising
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Treatment Of Steel In Its Molten State (AREA)

Abstract

The invention discloses a preparation method of heat-resistant aluminum alloy wires, comprising the steps of putting an aluminum ingot into an aluminum smelting furnace for smelting; transferring and injecting the molten aluminum into a holding furnace, adding silicon, iron, copper, rare earth elements, boron, titanium and beryllium to the molten aluminum when the molten aluminum temperature in the holding furnace is 740+/-10 DEG C, and mixing the molten aluminum elements fully and evenly by stirring; letting the molten aluminum alloy stand for 5-10min, opening the slag-off door of the holding furnace, and cleaning the aluminum slag floating on the surface of the molten aluminum alloy; discharging the molten aluminum alloy from the furnace when the molten aluminum alloy temperature reaches 740+/-10 DEG C, then conveying the molten aluminum alloy into an on-line degassing unit and a filter unit through a sluice for refining outside the furnace, degassing and removing slag again. For the heat-resistant aluminum alloy wires made by the preparation method disclosed by the invention, the heat resistance, plasticity and forgeability of the aluminum alloy are improved, and the hardness, strength and toughness are enhanced.

Description

The preparation method of heat resistant aluminum alloy wire
Technical field
The present invention relates to a kind of manufacturing process of aluminium alloy rod, more particularly to a kind of preparation method of heat resistant aluminum alloy wire.
Background technology
With growing continuously and fast for Chinese national economy, the demand of electric power is also sharply increased.Power transmission sequence require to High current, super-pressure direction are developed, and this requires the transmission line capability for increasing wire.Constantly add as China builds to power transmission electric network By force, the continuous extension of Three Gorges power transmission engineering circuit, transferring electricity from the west to the east, north and south supply mutually is on national network, and to having run decades Old circuit transformation, country is badly in need of building one can meet industrial and agricultural development demand, most reliable, safest, save Type electrical network.In capacity-increasing transformation engineering, if rebuilding whole piece circuit will carry out land acquisition, passage felling, can so cause expense Investment is excessive, and it is nervous that completion time of project length, line trample corridor.
The increase-volume of existing transmission line of electricity has two methods:One is to increase conductor cross-section;Two is to adopt heat-resisting wire.Increasing is led Line section requires to strengthen existing steel tower, and adopts heat-resisting wire then to strengthen existing steel tower.With heat-resistant aluminium alloy material to lead Electric layer adds aluminium Baogang cored structure as the wire for improving current-carrying capacity, with preferable market prospects.
Aluminium alloy is one of widest nonferrous materials used in industry, Aeronautics and Astronautics, automobile, machine-building, Widely apply in ship and chemical industry.With the fast development of science and technology and industrial economy, the demand of aluminium alloy Increasing, the research of aluminium alloy is also therewith deeply.The extensive application of aluminium alloy promotes development of the aluminium alloy in power industry, The development of power industry simultaneously has the application for promoting aluminium alloy.
Heat-resisting aluminium alloy can make the operating temperature of wire that 150 DEG C are brought up to from 70 DEG C, and current-carrying capacity also accordingly improves 0.6 Times.The conducting wire sag of heat-resistant aluminum alloy wire is especially little, in the case of circuit headroom deficiency, can using heat-resistant aluminum alloy wire Effectively save circuit headroom, reduces line construction investment.The wire is particularly well-suited to the larger section of electric current fluctuation.In addition line bar Section that is constant, needing more thread-changing increase-volume, circuit Bottle Neck Road, the narrow area in urban corridor, seasonal overload circuit is suitable for this Line.The electric energy of identical capacity is transmitted in addition, and the external diameter of heat-resisting wire reduces, and steel tower sets up expense and accordingly reduces, and stringing is convenient, can Construction cost 8% is reduced, including including line loss, annual appropriation can reduce by 4%, with good economic benefit and social benefit.
The content of the invention
The present invention provides a kind of preparation method of heat resistant aluminum alloy wire, the heat resistant aluminum alloy wire metal that this preparation method is obtained Institutional framework is clearly better, and up to 6 ~ 8 ranks, tensile strength reaches 180 ~ 200 MPa to macrograin degree.
To reach above-mentioned purpose, the technical solution used in the present invention is:A kind of preparation method of heat resistant aluminum alloy wire, including Following steps:
Step one, 100 parts of aluminium ingots are put into aluminium melting furnace meltings, temperature of aluminum liquid≤760 DEG C in control stove;
Step 2, by melted aluminium liquid metaideophone to holding furnace, heat preserving furnace aluminum liquid temp processed adds at 740 ± 10 DEG C in aluminium liquid Plus 0.04 ~ 0.06 part of silicon, 1 ~ 1.3 part of iron, 0.18 ~ 0.28 part of copper, 0.08 ~ 0.1 part of rare earth element, 0.015 ~ 0.03 part of boron, titanium 0.01 ~ 0.02 part, 0.01 ~ 0.02 part of beryllium, stir 30 minutes, make aluminium liquid composition full and uniform, the rare earth element by lanthanum, cerium and Scandium is constituted, and this lanthanum, cerium and scandium are according to 14:6:1 weight ratio is mixed to form the rare earth element;
Step 3, when temperature of aluminum liquid reaches 750 ± 10 DEG C make carrier with high pure nitrogen, efficient injection refining agent is passed through into insulation Refined in melt in stove, reached the purified treatments such as aluminium liquid degasification, removal of impurities;The pressure of nitrogen is controlled when refining in the step, Nitrogen pressure is controlled in 10 ~ 15KPa;
Step 4,5 ~ 10 minutes will be stood through the aluminum alloy melt of step 3, and open the holding furnace goalkeeper that skims and float over aluminum alloy melt Aluminium slag on surface is cleaned out;
Step 5, when aluminum alloy melt temperature reaches 740 ± 10 DEG C, come out of the stove, aluminum alloy melt out enters from holding furnace through chute Enter online depassing unit and filter, carry out external refining, again degasification slagging-off;
Step 6, the aluminum alloy melt Jing after the cleaning that step 5 is obtained is carried out direct casting, cast temperature is controlled 690 ~ 700 DEG C, strand after carrying out being cast using level casting mode;
Step 7, to casting obtained in step 6 after strand carry out alignment, heating, control to be maintained at 520- into rolling front strand temperature 540 DEG C, enable aluminum alloy to bar finishing temperature≤300 DEG C;
Step 8, the aluminium alloy rod with water or dilute emulsion to milling train out carry out quick cooling treatment, and control aluminium rod surface Temperature≤70 DEG C;
Step 9, before aluminium bar enters take-up frame, the water of aluminium rod surface is dried up with compressed air, keep the cleaning of aluminium bar and dry After dry.
Further improved technical scheme is as follows in above-mentioned technical proposal:
In such scheme, the step 9 be dried after natural cooling again.
Because above-mentioned technical proposal is used, the present invention has compared with prior art following advantages:
1. the preparation method of heat resistant aluminum alloy wire of the present invention, it is adopted is specifying containing the rare earth element being made up of lanthanum, cerium and scandium In the range of iron and rare earth synergy, can improve rod of metal alloy ductility, optimization aluminium liquid component, crystal grain thinning, remove slag, Increase decay resistance, remove gas and objectionable impurities in aluminium alloy, the formation of crack of aluminium alloy is reduced, so as to improve aluminium alloy Intensity, improve processing characteristics, moreover it is possible to improve heat resistance, plasticity and the malleability of aluminium alloy, improve hardness, increase intensity and Toughness;Secondly, the lanthanum, cerium and scandium are according to 14:6:1 weight ratio is mixed to form the rare earth element and acts synergistically with boron, So that product improves the mobility of aluminium in casting cycle, reduce the adverse effect of other elements in aluminium, form nuclear particle, so as to Non-spontaneous forming core is formed, plays a part of crystal grain thinning, macrograin degree can reach 5-6 levels.The boron element of addition is one Determine in scope, and above-mentioned aluminium can be reasonably combined, can reduce resistivity 6-10%;Again, titanium elements:Due to existing in aluminum substrate After above-mentioned beneficial element, titanium elements are added, can be played a significant role in metal grain tissue, by titanium elements control at this In the range of invention, macrograin degree reaches 6-8 levels.
2. the preparation method of heat resistant aluminum alloy wire of the present invention, by the control to techniques such as melting, refining, casting, rollings System, makes the aluminium alloy rod that tensile strength, conductance all meet standard requirement, and this kind of aluminium bar, can Jing after 24 hours natural coolings Wire drawing machine is directly entered, routinely drawing process carries out drawing, thus obtained aluminium alloy wire its tensile strength reaches 200MPa. It is steady by aluminium alloy rod performance obtained in method provided by the present invention compared with traditional aluminium bar or conductor annealing treating process Fixed, the aluminium alloy wire same performance pulled out using these aluminium bars is stablized, product percent of pass >=90.Due to having cut at annealing Science and engineering sequence, eliminates energy consumption and production time that Technology for Heating Processing is brought, therefore is fully meeting to aluminium alloy wire use requirement On the premise of, substantially increase the production efficiency of aluminium alloy wire, reduce production cost.According to the aluminium alloy that this programme is produced Bar, the aluminium alloy rod of manufacture will be widely used in aluminium alloy circuit, will significantly be improved for situation about presently, there are.To close Gold element controls the mass percent in this programme, will solve original produced problem.
Specific embodiment
With reference to embodiment, the invention will be further described:
Embodiment 1:A kind of preparation method of heat resistant aluminum alloy wire, comprises the following steps:
Step one, 100 parts of aluminium ingots are put into aluminium melting furnace meltings, temperature of aluminum liquid≤760 DEG C in control stove;
Step 2, by melted aluminium liquid metaideophone to holding furnace, heat preserving furnace aluminum liquid temp processed adds at 740 ± 10 DEG C in aluminium liquid Plus 0.04 part of silicon, 1.1 parts of iron, 0.2 part of copper, 0.1 part of rare earth element, 0.02 part of boron, 0.012 part of titanium, 0.012 part of beryllium, stirring 30 Minute, make aluminium liquid composition full and uniform, the rare earth element is made up of lanthanum, cerium and scandium, and this lanthanum, cerium and scandium are according to 14:6:1 weight Amount part ratio is mixed to form the rare earth element;
Step 3, when temperature of aluminum liquid reaches 750 ± 10 DEG C make carrier with high pure nitrogen, efficient injection refining agent is passed through into insulation Refined in melt in stove, reached the purified treatments such as aluminium liquid degasification, removal of impurities;
Step 4,5 ~ 10 minutes will be stood through the aluminum alloy melt of step 3, and open the holding furnace goalkeeper that skims and float over aluminum alloy melt Aluminium slag on surface is cleaned out;
Step 5, when aluminum alloy melt temperature reaches 740 ± 10 DEG C, come out of the stove, aluminum alloy melt out enters from holding furnace through chute Enter online depassing unit and filter, carry out external refining, again degasification slagging-off;
Step 6, the aluminum alloy melt Jing after the cleaning that step 5 is obtained is carried out direct casting, cast temperature is controlled 690 ~ 700 DEG C, strand after carrying out being cast using level casting mode;
Step 7, to casting obtained in step 6 after strand carry out alignment, heating, control to be maintained at 520- into rolling front strand temperature 540 DEG C, enable aluminum alloy to bar finishing temperature≤300 DEG C;
Step 8, the aluminium alloy rod with water or dilute emulsion to milling train out carry out quick cooling treatment, and control aluminium rod surface Temperature≤70 DEG C;
Step 9, before aluminium bar enters take-up frame, the water of aluminium rod surface is dried up with compressed air, keep the cleaning of aluminium bar and dry After dry, then natural cooling.
Embodiment 2:A kind of preparation method of heat resistant aluminum alloy wire, comprises the following steps:
Step one, 100 parts of aluminium ingots are put into aluminium melting furnace meltings, temperature of aluminum liquid≤760 DEG C in control stove;
Step 2, by melted aluminium liquid metaideophone to holding furnace, heat preserving furnace aluminum liquid temp processed adds at 740 ± 10 DEG C in aluminium liquid Plus 0.045 part of silicon, 1 part of iron, 0.25 part of copper, 0.085 part of rare earth element, 0.018 part of boron, 0.02 part of titanium, 0.02 part of beryllium, stirring 30 Minute, make aluminium liquid composition full and uniform, the rare earth element is made up of lanthanum, cerium and scandium, and this lanthanum, cerium and scandium are according to 14:6:1 weight Amount part ratio is mixed to form the rare earth element;
Step 3, when temperature of aluminum liquid reaches 750 ± 10 DEG C make carrier with high pure nitrogen, efficient injection refining agent is passed through into insulation Refined in melt in stove, reached the purified treatments such as aluminium liquid degasification, removal of impurities;
Step 4,5 ~ 10 minutes will be stood through the aluminum alloy melt of step 3, and open the holding furnace goalkeeper that skims and float over aluminum alloy melt Aluminium slag on surface is cleaned out;
Step 5, when aluminum alloy melt temperature reaches 740 ± 10 DEG C, come out of the stove, aluminum alloy melt out enters from holding furnace through chute Enter online depassing unit and filter, carry out external refining, again degasification slagging-off;
Step 6, the aluminum alloy melt Jing after the cleaning that step 5 is obtained is carried out direct casting, cast temperature is controlled 690 ~ 700 DEG C, strand after carrying out being cast using level casting mode;
Step 7, to casting obtained in step 6 after strand carry out alignment, heating, control to be maintained at 520- into rolling front strand temperature 540 DEG C, enable aluminum alloy to bar finishing temperature≤300 DEG C;
Step 8, the aluminium alloy rod with water or dilute emulsion to milling train out carry out quick cooling treatment, and control aluminium rod surface Temperature≤70 DEG C;
Step 9, before aluminium bar enters take-up frame, the water of aluminium rod surface is dried up with compressed air, keep the cleaning of aluminium bar and dry After dry, then natural cooling.
Al- is added by wire feeder in aluminum melt after the degasification of above-mentioned steps five slagging-off again in aluminium alloy casting chute Ti-B silks.
Embodiment 3:A kind of preparation method of heat resistant aluminum alloy wire, comprises the following steps:
Step one, 100 parts of aluminium ingots are put into aluminium melting furnace meltings, temperature of aluminum liquid≤760 DEG C in control stove;
Step 2, by melted aluminium liquid metaideophone to holding furnace, heat preserving furnace aluminum liquid temp processed adds at 740 ± 10 DEG C in aluminium liquid Plus 0.06 part of silicon, 1.2 parts of iron, 0.22 part of copper, 0.09 part of rare earth element, 0.025 part of boron, 0.018 part of titanium, 0.018 part of beryllium, stirring 30 minutes, make aluminium liquid composition full and uniform, the rare earth element is made up of lanthanum, cerium and scandium, and this lanthanum, cerium and scandium are according to 14:6:1 Weight ratio is mixed to form the rare earth element;
Step 3, when temperature of aluminum liquid reaches 750 ± 10 DEG C make carrier with high pure nitrogen, efficient injection refining agent is passed through into insulation Refined in melt in stove, reached the purified treatments such as aluminium liquid degasification, removal of impurities;
Step 4,5 ~ 10 minutes will be stood through the aluminum alloy melt of step 3, and open the holding furnace goalkeeper that skims and float over aluminum alloy melt Aluminium slag on surface is cleaned out;
Step 5, when aluminum alloy melt temperature reaches 740 ± 10 DEG C, come out of the stove, aluminum alloy melt out enters from holding furnace through chute Enter online depassing unit and filter, carry out external refining, again degasification slagging-off;
Step 6, the aluminum alloy melt Jing after the cleaning that step 5 is obtained is carried out direct casting, cast temperature is controlled 690 ~ 700 DEG C, strand after carrying out being cast using level casting mode;
Step 7, to casting obtained in step 6 after strand carry out alignment, heating, control to be maintained at 520- into rolling front strand temperature 540 DEG C, enable aluminum alloy to bar finishing temperature≤300 DEG C;
Step 8, the aluminium alloy rod with water or dilute emulsion to milling train out carry out quick cooling treatment, and control aluminium rod surface Temperature≤70 DEG C;
Step 9, before aluminium bar enters take-up frame, the water of aluminium rod surface is dried up with compressed air, keep the cleaning of aluminium bar and dry After dry, then natural cooling.
Control refining agent is blown into when refining in above-mentioned steps three speed and the pressure of nitrogen, make refining time control 20 ~ 30 minutes, nitrogen pressure was controlled in 10 ~ 15KPa.
It is dilute containing what is be made up of lanthanum, cerium and scandium in its formula during the heat resistant aluminum alloy wire obtained using above-mentioned preparation method The synergy of earth elements iron and rare earth within the specified range, can improve ductility, the optimization aluminium liquid component of rod of metal alloy, carefully Change crystal grain, remove slag, increase decay resistance.The gas and objectionable impurities in aluminium alloy is removed, the formation of crack of aluminium alloy is reduced, from And the intensity of raising aluminium alloy, improve processing characteristics, moreover it is possible to improve heat resistance, plasticity and the malleability of aluminium alloy, improve hard Degree, increase intensity and toughness;Secondly, the lanthanum, cerium and scandium are according to 14:6:1 weight ratio is mixed to form the rare earth element With boron synergy so that product improves the mobility of aluminium in casting cycle, reduces the adverse effect of other elements in aluminium, shape Into nuclear particle, so as to form non-spontaneous forming core, play a part of crystal grain thinning, macrograin degree can reach 5-6 levels.Addition Boron element within the specific limits, and above-mentioned aluminium can it is reasonably combined, resistivity 6-10% can be reduced;Again, titanium elements:Due to After there is above-mentioned beneficial element in aluminum substrate, titanium elements are added, can be played a significant role in metal grain tissue, by titanium Within the scope of the invention, macrograin degree reaches 6-8 levels to control of element.
Above-described embodiment technology design only to illustrate the invention and feature, its object is to allow person skilled in the art Scholar will appreciate that present disclosure and implement according to this, can not be limited the scope of the invention with this.It is all according to the present invention Equivalence changes or modification that Spirit Essence is made, all should be included within the scope of the present invention.

Claims (2)

1. a kind of preparation method of heat resistant aluminum alloy wire, it is characterised in that:Comprise the following steps:
Step one, 100 parts of aluminium ingots are put into aluminium melting furnace meltings, temperature of aluminum liquid≤760 DEG C in control stove;
Step 2, by melted aluminium liquid metaideophone to holding furnace, heat preserving furnace aluminum liquid temp processed adds at 740 ± 10 DEG C in aluminium liquid Plus 0.04 ~ 0.06 part of silicon, 1 ~ 1.3 part of iron, 0.18 ~ 0.28 part of copper, 0.08 ~ 0.1 part of rare earth element, 0.015 ~ 0.03 part of boron, titanium 0.01 ~ 0.02 part, 0.01 ~ 0.02 part of beryllium, stir 30 minutes, make aluminium liquid composition full and uniform, the rare earth element by lanthanum, cerium and Scandium is constituted, and this lanthanum, cerium and scandium are according to 14:6:1 weight ratio is mixed to form the rare earth element;
Step 3, when temperature of aluminum liquid reaches 750 ± 10 DEG C make carrier with high pure nitrogen, efficient injection refining agent is passed through into insulation Refined in melt in stove, reached the purified treatments such as aluminium liquid degasification, removal of impurities;The pressure of nitrogen is controlled when refining in the step, Nitrogen pressure is controlled in 10 ~ 15KPa;
Step 4,5 ~ 10 minutes will be stood through the aluminum alloy melt of step 3, and open the holding furnace goalkeeper that skims and float over aluminum alloy melt Aluminium slag on surface is cleaned out;
Step 5, when aluminum alloy melt temperature reaches 740 ± 10 DEG C, come out of the stove, aluminum alloy melt out enters from holding furnace through chute Enter online depassing unit and filter, carry out external refining, again degasification slagging-off;
Step 6, the aluminum alloy melt Jing after the cleaning that step 5 is obtained is carried out direct casting, cast temperature is controlled 690 ~ 700 DEG C, strand after carrying out being cast using level casting mode;
Step 7, to casting obtained in step 6 after strand carry out alignment, heating, control to be maintained at 520- into rolling front strand temperature 540 DEG C, enable aluminum alloy to bar finishing temperature≤300 DEG C;
Step 8, the aluminium alloy rod with water or dilute emulsion to milling train out carry out quick cooling treatment, and control aluminium rod surface Temperature≤70 DEG C;
Step 9, before aluminium bar enters take-up frame, the water of aluminium rod surface is dried up with compressed air, keep the cleaning of aluminium bar and dry After dry.
2. the preparation method of heat resistant aluminum alloy wire according to claim 1, it is characterised in that:After the step 9 drying again Natural cooling.
CN201610549126.3A 2015-05-13 2015-05-13 Preparation method of heat-resistant aluminum alloy wire Pending CN106636695A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610549126.3A CN106636695A (en) 2015-05-13 2015-05-13 Preparation method of heat-resistant aluminum alloy wire

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610549126.3A CN106636695A (en) 2015-05-13 2015-05-13 Preparation method of heat-resistant aluminum alloy wire
CN201510240766.1A CN104805320A (en) 2015-05-13 2015-05-13 Manufacturing process of aluminum alloy rod for shielding

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201510240766.1A Division CN104805320A (en) 2015-05-13 2015-05-13 Manufacturing process of aluminum alloy rod for shielding

Publications (1)

Publication Number Publication Date
CN106636695A true CN106636695A (en) 2017-05-10

Family

ID=53690514

Family Applications (6)

Application Number Title Priority Date Filing Date
CN201610549126.3A Pending CN106636695A (en) 2015-05-13 2015-05-13 Preparation method of heat-resistant aluminum alloy wire
CN201510240766.1A Pending CN104805320A (en) 2015-05-13 2015-05-13 Manufacturing process of aluminum alloy rod for shielding
CN201610567336.5A Pending CN106244832A (en) 2015-05-13 2015-05-13 Manufacturing process for high intensity alusil alloy round bar
CN201610567337.XA Pending CN106244858A (en) 2015-05-13 2015-05-13 Welding wire alusil alloy round bar
CN201610549251.4A Pending CN106148740A (en) 2015-05-13 2015-05-13 The manufacture method of high strength heat resistant type aluminium alloy rod
CN201610549252.9A Pending CN106057273A (en) 2015-05-13 2015-05-13 High strength heat resistant aluminum alloy wire

Family Applications After (5)

Application Number Title Priority Date Filing Date
CN201510240766.1A Pending CN104805320A (en) 2015-05-13 2015-05-13 Manufacturing process of aluminum alloy rod for shielding
CN201610567336.5A Pending CN106244832A (en) 2015-05-13 2015-05-13 Manufacturing process for high intensity alusil alloy round bar
CN201610567337.XA Pending CN106244858A (en) 2015-05-13 2015-05-13 Welding wire alusil alloy round bar
CN201610549251.4A Pending CN106148740A (en) 2015-05-13 2015-05-13 The manufacture method of high strength heat resistant type aluminium alloy rod
CN201610549252.9A Pending CN106057273A (en) 2015-05-13 2015-05-13 High strength heat resistant aluminum alloy wire

Country Status (1)

Country Link
CN (6) CN106636695A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108311551A (en) * 2017-11-20 2018-07-24 新疆众和股份有限公司 A kind of cooling technique producing high-magnesium aluminum alloy welding wire line base using continuous casting and rolling method

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105063431A (en) * 2015-07-31 2015-11-18 广东欧珀移动通信有限公司 Die-casting aluminum, structural part and electronic device
CN105624479B (en) * 2015-11-26 2017-10-03 新疆众和股份有限公司 One kind welding Alar bar and its production method
CN105274399A (en) * 2015-12-04 2016-01-27 江苏亨通电力特种导线有限公司 Aluminum alloy material for cable conductor and application of material
CN105331856B (en) * 2015-12-04 2018-05-22 江苏亨通电力特种导线有限公司 A kind of Al-Si alloys of microalloying and its preparation method of aluminium alloy rod
CN105463272A (en) * 2015-12-18 2016-04-06 云南云铝润鑫铝业有限公司 Production method for 5005 aluminum alloy circular ingots
CN106119612A (en) * 2016-06-14 2016-11-16 江苏亨通电力特种导线有限公司 Strength aluminium alloy material and preparation method thereof in one
CN106498199B (en) * 2016-11-02 2018-06-19 昆明冶金研究院 A kind of production method of high-strength aluminum alloy conductive material
CN106826120B (en) * 2017-02-10 2018-09-14 江苏德圣能源环保设备工程有限公司 The preparation method of aluminium alloy oil drill rocker
CN107630173A (en) * 2017-09-23 2018-01-26 新沂市中诺新材料科技有限公司 A kind of high-strength aluminum alloy processing technology
CN108004434B (en) * 2017-11-30 2019-09-20 宁波多力浦工贸有限公司 A kind of LEDbulb lamp
CN108193103A (en) * 2018-02-08 2018-06-22 周天国 A kind of continuous-casting continuous-rolling method for preparing 5183 aluminium alloy welding wire line bars
CN108300913A (en) * 2018-02-08 2018-07-20 周天国 A kind of continuous casting and rolling process for production of 5356 aluminum alloy welding bar
JP2019136759A (en) * 2018-02-15 2019-08-22 昭和電工株式会社 Al ALLOY CAST MATERIAL MANUFACTURING METHOD
CN108385001A (en) * 2018-03-06 2018-08-10 东北大学 A kind of preparation method of 5356 aluminium alloy welding wire
CN110093534A (en) * 2019-05-17 2019-08-06 江苏亨通电力特种导线有限公司 High conductivity heat-resisting aluminium alloy, preparation method and aerial condutor alloy aluminum lever
CN113621847B (en) * 2021-08-19 2022-07-29 昆山晶微新材料研究院有限公司 Alterant, preparation method thereof and raw material composition for preparing alterant
CN113921166A (en) * 2021-10-29 2022-01-11 江苏正能电子科技有限公司 Front-side silver-aluminum paste for TOPCon solar cell and preparation method thereof
CN114193021B (en) * 2021-11-24 2023-03-10 宁波博德高科股份有限公司 Aluminum-silicon-strontium-titanium-boron alloy welding wire and intelligent preparation method thereof
CN114783663B (en) * 2022-04-27 2024-04-19 远东电缆有限公司 Aluminum alloy protective layer for new energy automobile and manufacturing method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1978686A (en) * 2005-12-01 2007-06-13 上海中天铝线有限公司 Method for manufacturing high-conductive heat-resistance aluminium alloy wire
CN101974709A (en) * 2010-09-21 2011-02-16 安徽欣意电缆有限公司 Super-soft aluminum alloy conductor and preparation method thereof
CN103255303A (en) * 2013-05-16 2013-08-21 焦作市圣昊铝业有限公司 Manufacturing process of 7005 aluminum alloy
CN103820685A (en) * 2014-02-20 2014-05-28 无锡华能电缆有限公司 Medium strength aluminium alloy wire with conductivity of 60% IACS, and preparation method thereof

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60247443A (en) * 1984-05-21 1985-12-07 Sumitomo Electric Ind Ltd Production of fine aluminum alloy wire
JPH0925534A (en) * 1995-07-12 1997-01-28 Honda Motor Co Ltd Aluminum alloy member with wear resistance and heat resistance, and production thereof
JP3487160B2 (en) * 1998-03-09 2004-01-13 日本軽金属株式会社 Method for producing aluminum alloy plate in which no streak pattern is generated by alkali treatment before anodizing treatment, aluminum alloy plate and molded product of aluminum alloy plate
CN101604563B (en) * 2009-06-04 2011-08-31 郑州电缆有限公司 Method for manufacturing heat-resistant aluminum alloy wire for power cable
CN111872598A (en) * 2010-02-10 2020-11-03 霍伯特兄弟有限责任公司 Aluminum alloy welding wire
CN102732756B (en) * 2012-07-04 2014-09-03 绍兴电力设备有限公司 Aluminum rod and preparation method thereof
CN102978464B (en) * 2012-11-09 2014-10-01 安徽欣意电缆有限公司 Al-Fe-Ti-RE aluminum alloy, and preparation method and power cable thereof
CN102982887A (en) * 2012-11-26 2013-03-20 晶锋集团股份有限公司 Shielding communication cable
CN103243249A (en) * 2013-05-16 2013-08-14 焦作市圣昊铝业有限公司 Aluminum alloy and production technology thereof
CN103725930A (en) * 2013-12-26 2014-04-16 安徽欣意电缆有限公司 Al-Fe-Cu-Mg-Be alumium alloy for automobile wire and wiring harness therefore
CN104233017B (en) * 2014-09-28 2016-08-17 国网河南省电力公司周口供电公司 A kind of conductivity is middle strength aluminum alloy monofilament of 62%IACS and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1978686A (en) * 2005-12-01 2007-06-13 上海中天铝线有限公司 Method for manufacturing high-conductive heat-resistance aluminium alloy wire
CN101974709A (en) * 2010-09-21 2011-02-16 安徽欣意电缆有限公司 Super-soft aluminum alloy conductor and preparation method thereof
CN103255303A (en) * 2013-05-16 2013-08-21 焦作市圣昊铝业有限公司 Manufacturing process of 7005 aluminum alloy
CN103820685A (en) * 2014-02-20 2014-05-28 无锡华能电缆有限公司 Medium strength aluminium alloy wire with conductivity of 60% IACS, and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108311551A (en) * 2017-11-20 2018-07-24 新疆众和股份有限公司 A kind of cooling technique producing high-magnesium aluminum alloy welding wire line base using continuous casting and rolling method

Also Published As

Publication number Publication date
CN106148740A (en) 2016-11-23
CN106057273A (en) 2016-10-26
CN106244858A (en) 2016-12-21
CN106244832A (en) 2016-12-21
CN104805320A (en) 2015-07-29

Similar Documents

Publication Publication Date Title
CN106636695A (en) Preparation method of heat-resistant aluminum alloy wire
CN106119612A (en) Strength aluminium alloy material and preparation method thereof in one
CN104862509B (en) The preparation technology of overhead power transmission conducting wire high conductivity aluminium bar
CN108456799B (en) A kind of high-performance copper ferroalloy materials and its electroslag remelting preparation method
CN105296810B (en) A kind of high-strength aluminum alloy bar continuous casting and tandem rolling production technology
CN106480342B (en) A kind of Aluminum alloy pole material and its production method with heat-resistant quality
JP2012524837A5 (en)
WO2017097078A1 (en) Highly-conductive aluminum alloy material and preparation method for aluminum alloy cable conductor
CN104028961A (en) Intermediate-strength aluminum alloy wire and process for manufacturing same
CN102903415B (en) A kind of special-shaped oxidation-resistant high-conductivity aluminum alloy carbon fiber lead wire and manufacture method
CN108559886A (en) A kind of Al-Mg-Si-Mn alloy extrusions bar and its manufacturing method
CN102766788A (en) Preparation method of moderate strength Al-Mg-Si alloy rods and alloy wires through natural ageing treatment
CN103572184B (en) Preparation method of high-strength silver-copper alloy material
CN110093534A (en) High conductivity heat-resisting aluminium alloy, preparation method and aerial condutor alloy aluminum lever
CN111763846B (en) Method for manufacturing Cu-Cr-Zr alloy stranded wire for electrified railway
CN105274399A (en) Aluminum alloy material for cable conductor and application of material
CN107794439A (en) Extra-low iron loss non-oriented electromagnetic steel sheet and its manufacture method
CN107201465B (en) High hardness aluminium alloy lead wire
CN108754248A (en) A kind of overhead stranded conductor aluminium alloy conductor and its manufacturing method
CN108588515A (en) A kind of aluminium alloy conductor of high-strength highly-conductive and preparation method thereof
CN108823464B (en) Copper alloy material and preparation method thereof
CN105441736B (en) A kind of super-pressure specific complex aluminium alloy conductor
CN107190215A (en) A kind of aluminium alloy base power circuit component and preparation method thereof
CN116984573B (en) Process for producing low-oxygen copper rod based on reclaimed copper modified continuous casting and rolling
CN109207759B (en) Non-aging type high-strength high-conductivity aluminum alloy overhead conductor and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20170510