CN106086512A - A kind of processing method of high-ductility antioxidation cuprio ultra-fine wire - Google Patents
A kind of processing method of high-ductility antioxidation cuprio ultra-fine wire Download PDFInfo
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- CN106086512A CN106086512A CN201610650639.3A CN201610650639A CN106086512A CN 106086512 A CN106086512 A CN 106086512A CN 201610650639 A CN201610650639 A CN 201610650639A CN 106086512 A CN106086512 A CN 106086512A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
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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
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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
- C22F1/02—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working in inert or controlled atmosphere or vacuum
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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
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper 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
- H01B1/026—Alloys based on copper
Abstract
The present invention discloses the processing method skill of a kind of high-ductility antioxidation cuprio ultra-fine wire, comprises the steps: that S1 is by Ag0.1 0.5wt%, Mg0.1 0.5wt%, Pd0.03 0.08wt%, Nb0.01 0.03%, B0.05 0.1wt%, rare earth 0.08 0.016wt%, surplus is that Cu carries out vacuum melting；Copper bar blank is invited on S2, and continuously extruded, obtain copper wire after drawing；S3, by underway for copper wire annealing, is passed through the mixed gas of nitrogen and hydrogen, and drips anti-oxidation liquid；Copper wire is dried by S4, then carries out drawing, intermediate annealing, is passed through the mixed gas of nitrogen and hydrogen, obtains described cuprio ultra-fine wire.The processing method of a kind of high-ductility antioxidation cuprio ultra-fine wire that the present invention proposes, while the ultra-fine wire of described processing possesses high conductivity, can meet antioxidation and plasticity demand to silk material in Practical Project.
Description
Technical field
The present invention relates to copper material processing technique field, particularly relate to the processing side of a kind of high-ductility antioxidation cuprio ultra-fine wire
Method.
Background technology
Cuprio ultra-fine wire is widely used in electroacoustic apparatus, midget relay, electronic transformer, small and special electric machine, IC-card etc.
The product such as electronic devices and components and electric leads, is a kind of energy-saving and environmental protection type new material.At present, domestic microfilament industry mainly by
Foreign vendor dominates, and the core technology of production is also mainly grasped by manufacturer of foreign country, and domestic production ability cannot meet far away demand,
Especially high-end microfilament material field (line footpath is at below Ф 0.05mm), product mainly enters at the manufacturers such as Germany, Japan, Korea S
Mouthful.
This kind of ultra-fine wire typically require that electrical conductivity is high, solderability is good and single line length up to 3000-5000 rice more than.But
Due to ultra-fine wire problem such as easy broken string and oxidation in processing preparation process, cause its lumber recovery low, processing preparation skill
Art difficulty is big.
Summary of the invention
The technical problem existed based on background technology, the present invention proposes adding of a kind of high-ductility antioxidation cuprio ultra-fine wire
Work method, while the ultra-fine wire of described processing possesses high conductivity, can meet in Practical Project to the antioxidation of silk material with
And plasticity demand.
The processing method of a kind of high-ductility antioxidation cuprio ultra-fine wire that the present invention proposes, comprises the steps:
S1, by Ag 0.1-0.5wt%, Mg 0.1-0.5wt%, Pd 0.03-0.08wt%, Nb 0.01-0.03wt%,
B 0.05-0.1wt%, rare earth element 0.08-0.016wt%, surplus be purity >=99.99% high-purity Cu mixing after carry out true
Empty melting, when vacuum≤1 × 10 in smelting furnace-3Beginning to warm up during Pa, be warming up to 1220-1250 DEG C, insulation to fusing is completely
Obtain liquation, refine 20-40min；
S2, to smelting furnace stop evacuation, be filled with argon, control pressure is 0.01-0.05Pa, the liquation that will obtain in S1
Use and invite the copper bar blank of a diameter of 10-16mm in traction link seat disengaging type vacuum, and it is female to carry out continuously extruded formation copper
Line, obtains a diameter of 0.1-0.5mm copper wire after copper busbar is carried out drawing；
S3, the copper wire obtained by S2 carry out intermediate annealing in continuous annealing furnace, and annealing temperature is 550-570 DEG C, annealing
Speed is 150-200rpm, is passed through the mixed gas of nitrogen and hydrogen in annealing process, and with the speed of 5-10ml/min to institute
State copper wire and drip anti-oxidation liquid；
S4, the copper wire after S3 processes is dried at 40-60 DEG C after, again carry out drawing, obtain a diameter of 0.01-
0.05mm cuprio ultra-fine wire, carries out intermediate annealing again in continuous annealing furnace, and annealing temperature is 480-510 DEG C, annealing speed
Degree is 130-180rpm, is passed through the mixed gas of nitrogen and hydrogen, obtains described high-ductility antioxidation cuprio ultra-fine in annealing process
Silk material.
Preferably, in S1, during being warming up to 1220-1250 DEG C, temperature-rise period meets T=et-3, T is warming temperature, T
Unit be DEG C that t is the heating-up time, and the unit of t is min.
Preferably, in S1, described rare earth element is lanthanum La, one or more combination in cerium Ce, yttrium Y, gadolinium Gd.
Preferably, in S2, employing traction link seat disengaging type vacuum being invited in copper bar blank, hauling speed is 600-
800mm/min。
Preferably, in S2, carrying out in continuously extruded formation copper busbar, the rotating speed of continuous extruder is 10-20r/min, squeezes
Going out speed is 5-10m/min, and the temperature in extrusion process is 400-550 DEG C, and the pressure in extrusion chamber is 1000-1200MPa, warp
The a diameter of 3-8mm of copper busbar formed after continuously extruded.
Preferably, in S3, being passed through in the mixed gas of nitrogen and hydrogen, the flow of nitrogen is 6-8L/min, the stream of hydrogen
Amount is 0.5-1L/min.
Preferably, in S3, described anti-oxidation liquid is for press sodium alkyl sulfate, benzimidazole, lauryl mercaptan and isopropanol
Weight ratio is to make, after 1:0.5-0.7:0.1-0.3:1-1.5 mixes, the aqueous solution that concentration is 0.1-0.2wt%；Preferably, institute
The consumption stating anti-oxidation liquid is 0.01-0.02ml/g copper wire.
Preferably, the method dripping anti-oxidation liquid to described copper wire includes: by non-textile mulch and described copper wire, and to
Described non-woven fabrics dropping oxidation solution.
Preferably, in S4, being passed through the mixed gas of nitrogen and hydrogen in annealing process, the flow of nitrogen is 2-4L/min,
The flow of hydrogen is 0.1-0.5L/min.
The processing method of a kind of high-ductility antioxidation cuprio ultra-fine wire that the present invention proposes, on the one hand, at high pure vacuum bar
Under part, in high-purity oxygen-free copper, add alloy carry out melting, by controlling rational proportioning, copper melt introduces alloy unit
Element Ag, Mg, Pd, Nb, B and rare earth element, wherein, Ag adds except excellent electric conductivity itself improves the electricity of copper-based material
Beyond conductance, also utilize the Ag invigoration effect to copper, so that the intensity of Cu alloy material and toughness properties are improved simultaneously,
The extension property being derived from, in addition, Ag is it is also possible that Copper substrate is substantially at saturation, in promoting Copper substrate
The alloying element of Mg separate out further, add the quantity of the second granule precipitated phase in alloy, it improves copper alloy toughness
Meanwhile, the impact on electric conductivity is the least；Add while both Ag, Mg, be possible not only to improve the high-temperature behavior of alloy, also
The more disperse of the precipitation compounds in alloy drawing process, strengthening effect is made to strengthen；The compounding addition of trace Nb, Pd can be obvious
Improving the oxidation resistance of copper, copper is had deoxidation, therefore the oxidation proof properties of obtained cuprio ultra-fine wire is notable；This
Outward, therefore electrical conductivity on copper-based material does not the most affect after alloying, it is ensured that the conductivity of conduction copper material, and dilute
Earth elements makes melt crystal grain be refined simultaneously, thus preferably improves the extension property of copper-based material, improves Copper base material
Material plastic working ability, and reduce its hardness performance to a certain extent；Although meanwhile the affinity of B element and oxygen is not
And rare earth, and there is no dehydrogenation ability, but B has more significant Grain refinement than rare earth in copper and copper alloy, and the most permissible
Preferably improve mechanical property and the electric conductivity of copper alloy, and rare earth and B compound alloying and can more efficiently send out
Waving the effect of purification, controlled micro crystallization etc., make impurity in copper reduce, distortion of lattice weakens, and electron scattering probability reduces, for improving copper
Plastic working and the conductivity effect of alloy are notable.
On the other hand, in order to improve mechanics and the electric conductivity of cuprio ultra-fine wire further, except to copper in the present invention
Beyond the alloy element of material selects, also its processing technique is carried out strict control, first to above-mentioned copper alloy
Carry out in melting, select high-purity vacuum melting technique, this technique make in fusion process not with air contact, therefore, it is possible to obtain
The acid bronze alloy that oxygen-containing and other gases are few；Meanwhile, in fusion process, control the intensification speed during alloy molten
Rate, with the dissolubility rule of adaptive each alloying element, such that it is able to the solute Distribution adjusted in Copper substrate, to improving alloy mechanics
And electric conductivity has remarkable result；Hereafter upward-casting process is used to prepare in copper bar blank, by being introduced through the work of journey on controlling
Skill parameter so that the solidified structure orientation of strand is consistent, shows the plastic deformation ability more excellent than ordinary copper bar；Use again
Continual extruding technology and repeatedly drawing process processing, by continuous up-casting copper bar through dynamic recrystallization, make thick cast sturcture,
Being changed into fine uniform, fine and close recrystallized structure, this tiny compact tissue has good yield strength and processing toughness；
Then anneal under conditions of hydrogen-nitrogen mixture gas protection, eliminate residual stress, reduce the same of the defect such as dislocation, room
Time, also by copper material reduction oxidized in drawing process, and can drip to described copper wire in the stage that copper wire degree of oxidation is relatively low
Anti-oxidation liquid, completes the process of uniform dropping liquid while annealing, and after annealing, described anti-oxidation liquid can form anti-oxidation film, its
Good oxidation-protective effect can be realized in the case of ensureing not affect copper wire mechanics, electric conductivity；Wherein said anti-oxidation liquid
Using the aqueous solution that the anion surfactant of specific proportioning, benzimidazole, mercaptan and isopropanol are mixed to form, it is right
Copper wire carries out during overlay film not only stable, and oxidation-protective effect is good.
Summary, the present invention is from the conduction of copper cash, toughness, antioxygenic property, to producing cuprio ultra-fine wire
Alloying element species content carries out appropriate design, hence it is evident that improve the tensile strength of copper material, elongation percentage, anti-oxidation and resistance is forthright
Can, meanwhile, use rational processing technique to improve the plasticity of copper material, conduction and antioxygenic property further, to melting,
Extruding, drawing, temperature and technological parameter in annealing process are optimized so that the performances such as the conduction of copper material, plasticity all obtain
Controlling to good, whole processing method can form the entirety cooperated.
Detailed description of the invention
Below, by specific embodiment, technical scheme is described in detail.
Embodiment 1
The processing method of a kind of high-ductility antioxidation cuprio ultra-fine wire that the present invention proposes, comprises the steps:
S1, by Ag 0.1wt%, Mg 0.5wt%, Pd 0.03wt%, Nb 0.03wt%, B 0.05wt%, La
0.016wt%, surplus be purity >=99.99% high-purity Cu mixing after carry out vacuum melting, when vacuum≤1 in smelting furnace ×
10-3Beginning to warm up during Pa, be warming up to 1220 DEG C, insulation obtains liquation, refine 40min completely to fusing；
S2, to smelting furnace stop evacuation, be filled with argon, controls pressure is 0.01Pa, will S1 obtain liquation employing
Inviting the copper bar blank of a diameter of 16mm in traction link seat disengaging type vacuum, hauling speed is 600mm/min, and carries out continuously
Extruding forms the copper busbar of a diameter of 8mm, and the rotating speed of continuous extruder is 10r/min, and extruded velocity is 10m/min, extrudes
Temperature in journey is 400 DEG C, and the pressure in extrusion chamber is 1200MPa, then obtains a diameter of 0.1mm after copper busbar is carried out drawing
Copper wire；
S3, the copper wire obtained by S2 carry out intermediate annealing in continuous annealing furnace, and annealing temperature is 550 DEG C, annealing speed
For 200rpm, being passed through the mixed gas of nitrogen and hydrogen in annealing process, the flow of nitrogen is 6L/min, and the flow of hydrogen is
1L/min, and drip anti-oxidation liquid to described copper wire with the speed of 5ml/min, described anti-oxidation liquid be by sodium alkyl sulfate,
Benzimidazole, lauryl mercaptan and isopropanol are the water-soluble of 0.1wt% by weight making concentration after mixing for 1:0.7:0.1:1.5
Liquid；
S4, the copper wire after S3 processes is dried at 40 DEG C after, again carry out drawing, obtain a diameter of 0.05mm cuprio
Ultra-fine wire, carries out intermediate annealing again in continuous annealing furnace, and annealing temperature is 480 DEG C, and annealing speed is 180rpm, annealing
During be passed through the mixed gas of nitrogen and hydrogen, the flow of nitrogen is 2L/min, and the flow of hydrogen is 0.5L/min, obtains institute
State high-ductility antioxidation cuprio ultra-fine wire.
Embodiment 2
The processing method of a kind of high-ductility antioxidation cuprio ultra-fine wire that the present invention proposes, comprises the steps:
S1, by Ag 0.5wt%, Mg 0.1wt%, Pd 0.08wt%, Nb 0.01wt%, B 0.1wt%,
Ce0.08wt%, surplus be purity >=99.99% high-purity Cu mixing after carry out vacuum melting, when vacuum≤1 in smelting furnace
×10-3Beginning to warm up during Pa, be warming up to 1250 DEG C, insulation obtains liquation, refine 20min completely to fusing；
S2, to smelting furnace stop evacuation, be filled with argon, controls pressure is 0.05Pa, will S1 obtain liquation employing
Inviting the copper bar blank of a diameter of 10mm in traction link seat disengaging type vacuum, hauling speed is 800mm/min, and carries out continuously
Extruding forms the copper busbar of a diameter of 3mm, and the rotating speed of continuous extruder is 20r/min, and extruded velocity is 5m/min, extrusion process
In temperature be 550 DEG C, the pressure in extrusion chamber is 1000MPa, then obtains a diameter of 0.5mm copper after copper busbar is carried out drawing
Silk；
S3, the copper wire obtained by S2 carry out intermediate annealing in continuous annealing furnace, and annealing temperature is 570 DEG C, annealing speed
For 150rpm, being passed through the mixed gas of nitrogen and hydrogen in annealing process, the flow of nitrogen is 8L/min, and the flow of hydrogen is
0.5L/min, and drip anti-oxidation liquid with the speed of 10ml/min to described copper wire, described anti-oxidation liquid is by fatty alcohol sulphuric acid
Sodium, benzimidazole, lauryl mercaptan and isopropanol make, by weight after mixing for 1:0.5:0.3:1, the water that concentration is 0.2wt%
Solution；
S4, the copper wire after S3 processes is dried at 60 DEG C after, again carry out drawing, obtain a diameter of 0.01mm cuprio
Ultra-fine wire, carries out intermediate annealing again in continuous annealing furnace, and annealing temperature is 510 DEG C, and annealing speed is 130rpm, annealing
During be passed through the mixed gas of nitrogen and hydrogen, the flow of nitrogen is 4L/min, and the flow of hydrogen is 0.1L/min, obtains institute
State high-ductility antioxidation cuprio ultra-fine wire.
Embodiment 3
The processing method of a kind of high-ductility antioxidation cuprio ultra-fine wire that the present invention proposes, comprises the steps:
S1, by Ag 0.3wt%, Mg 0.3wt%, Pd 0.05wt%, Nb 0.02wt%, B 0.07wt%,
Y0.012wt%, surplus be purity >=99.99% high-purity Cu mixing after carry out vacuum melting, when vacuum≤1 in smelting furnace
×10-3Beginning to warm up during Pa, be warming up to 1230 DEG C, insulation obtains liquation, refine 30min completely to fusing；
S2, to smelting furnace stop evacuation, be filled with argon, controls pressure is 0.03Pa, will S1 obtain liquation employing
Inviting the copper bar blank of a diameter of 13mm in traction link seat disengaging type vacuum, hauling speed is 700mm/min, and carries out continuously
Extruding forms the copper busbar of a diameter of 5mm, and the rotating speed of continuous extruder is 15r/min, and extruded velocity is 7m/min, extrusion process
In temperature be 470 DEG C, the pressure in extrusion chamber is 1100MPa, then obtains a diameter of 0.3mm copper after copper busbar is carried out drawing
Silk；
S3, the copper wire obtained by S2 carry out intermediate annealing in continuous annealing furnace, and annealing temperature is 560 DEG C, annealing speed
For 175rpm, being passed through the mixed gas of nitrogen and hydrogen in annealing process, the flow of nitrogen is 7L/min, and the flow of hydrogen is
0.7L/min, and drip anti-oxidation liquid with the speed of 7ml/min to described copper wire, described anti-oxidation liquid is by fatty alcohol sulphuric acid
Sodium, benzimidazole, lauryl mercaptan and isopropanol are 0.15wt%'s by weight making concentration after mixing for 1:0.6:0.2:1.2
Aqueous solution；
S4, the copper wire after S3 processes is dried at 50 DEG C after, again carry out drawing, obtain a diameter of 0.03mm cuprio
Ultra-fine wire, carries out intermediate annealing again in continuous annealing furnace, and annealing temperature is 495 DEG C, and annealing speed is 155rpm, annealing
During be passed through the mixed gas of nitrogen and hydrogen, the flow of nitrogen is 3L/min, and the flow of hydrogen is 0.3L/min, obtains institute
State high-ductility antioxidation cuprio ultra-fine wire.
Embodiment 4
The processing method of a kind of high-ductility antioxidation cuprio ultra-fine wire that the present invention proposes, comprises the steps:
S1, by Ag 0.2wt%, Mg 0.4wt%, Pd 0.04wt%, Nb 0.02wt%, B 0.08wt%, rare earth unit
Element 0.01wt%, surplus be purity >=99.99% high-purity Cu mixing after carry out vacuum melting, described rare earth element is Y and Gd,
When vacuum≤1 × 10 in smelting furnace-3Beginning to warm up during Pa, be warming up to 1240 DEG C, insulation obtains liquation, refine completely to fusing
25min；
S2, to smelting furnace stop evacuation, be filled with argon, controls pressure is 0.04Pa, will S1 obtain liquation employing
Inviting the copper bar blank of a diameter of 12mm in traction link seat disengaging type vacuum, hauling speed is 650mm/min, and carries out continuously
Extruding forms the copper busbar of a diameter of 6mm, and the rotating speed of continuous extruder is 16r/min, and extruded velocity is 8m/min, extrusion process
In temperature be 500 DEG C, the pressure in extrusion chamber is 1150MPa, then obtains a diameter of 0.4mm copper after copper busbar is carried out drawing
Silk；
S3, the copper wire obtained by S2 carry out intermediate annealing in continuous annealing furnace, and annealing temperature is 560 DEG C, annealing speed
For 180rpm, being passed through the mixed gas of nitrogen and hydrogen in annealing process, the flow of nitrogen is 7.5L/min, and the flow of hydrogen is
0.8L/min, and drip anti-oxidation liquid with the speed of 8ml/min to described copper wire, described anti-oxidation liquid is by fatty alcohol sulphuric acid
Sodium, benzimidazole, lauryl mercaptan and isopropanol are 0.16wt%'s by weight making concentration after mixing for 1:0.6:0.3:1.3
Aqueous solution；
S4, the copper wire after S3 processes is dried at 55 DEG C after, again carry out drawing, obtain a diameter of 0.02mm cuprio
Ultra-fine wire, carries out intermediate annealing again in continuous annealing furnace, and annealing temperature is 500 DEG C, and annealing speed is 160rpm, annealing
During be passed through the mixed gas of nitrogen and hydrogen, the flow of nitrogen is 2.5L/min, and the flow of hydrogen is 0.2L/min, obtains
Described high-ductility antioxidation cuprio ultra-fine wire.
The high-ductility antioxidation cuprio ultra-fine wire obtained in above-described embodiment 1-4 is tested, its half-hard state test knot
Fruit meets tensile strength >=220MPa, yield strength >=180MPa, hardness≤80, percentage elongation >=25%, and resistivity is
0.01691-0.01719Ωmm2/ m (electrical conductivity >=98%IACS).
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (9)
1. the processing method of a high-ductility antioxidation cuprio ultra-fine wire, it is characterised in that comprise the steps:
S1, by Ag 0.1-0.5wt%, Mg 0.1-0.5wt%, Pd 0.03-0.08wt%, Nb 0.01-0.03wt%, B
0.05-0.1wt%, rare earth element 0.08-0.016wt%, surplus be purity >=99.99% high-purity Cu mixing after carry out vacuum
Melting, when vacuum≤1 × 10 in smelting furnace-3Beginning to warm up during Pa, be warming up to 1220-1250 DEG C, insulation obtains completely to fusing
To liquation, refine 20-40min；
S2, to smelting furnace stop evacuation, be filled with argon, controls pressure is 0.01-0.05Pa, will S1 obtain liquation employing
Invite the copper bar blank of a diameter of 10-16mm in traction link seat disengaging type vacuum, and carry out continuously extruded formation copper busbar, will
Copper busbar obtains a diameter of 0.1-0.5mm copper wire after carrying out drawing；
S3, the copper wire obtained by S2 carry out intermediate annealing in continuous annealing furnace, and annealing temperature is 550-570 DEG C, annealing speed
For 150-200rpm, annealing process is passed through the mixed gas of nitrogen and hydrogen, and with the speed of 5-10ml/min to described copper
Silk drips anti-oxidation liquid；
S4, the copper wire after S3 processes is dried at 40-60 DEG C after, again carry out drawing, obtain a diameter of 0.01-0.05mm
Cuprio ultra-fine wire, carries out intermediate annealing again in continuous annealing furnace, and annealing temperature is 480-510 DEG C, and annealing speed is
130-180rpm, is passed through the mixed gas of nitrogen and hydrogen in annealing process, obtain described high-ductility antioxidation cuprio ultra-fine wire.
The most according to claim 1, the processing method of high-ductility antioxidation cuprio ultra-fine wire, it is characterised in that in S1, heat up
During 1220-1250 DEG C, temperature-rise period meets T=et-3, T is warming temperature, and the unit of T is DEG C, and t is the heating-up time, t
Unit be min.
The processing method of high-ductility antioxidation cuprio ultra-fine wire the most according to claim 1 or claim 2, it is characterised in that in S1, institute
State rare earth element be lanthanum La, one or more combination in cerium Ce, yttrium Y, gadolinium Gd.
4. according to the processing method of high-ductility antioxidation cuprio ultra-fine wire described in any one of claim 1-3, it is characterised in that S2
In, employing traction link seat disengaging type vacuum to be invited in copper bar blank, hauling speed is 600-800mm/min.
5. according to the processing method of high-ductility antioxidation cuprio ultra-fine wire described in any one of claim 1-4, it is characterised in that S2
In, carry out in continuously extruded formation copper busbar, the rotating speed of continuous extruder is 10-20r/min, and extruded velocity is 5-10m/min,
Temperature in extrusion process is 400-550 DEG C, and the pressure in extrusion chamber is 1000-1200MPa, the copper formed after continuously extruded
Bus diameter is 3-8mm.
6. according to the processing method of high-ductility antioxidation cuprio ultra-fine wire described in any one of claim 1-5, it is characterised in that S3
In, it being passed through in the mixed gas of nitrogen and hydrogen, the flow of nitrogen is 6-8L/min, and the flow of hydrogen is 0.5-1L/min.
7. according to the processing method of high-ductility antioxidation cuprio ultra-fine wire described in any one of claim 1-6, it is characterised in that S3
In, described anti-oxidation liquid is by weight for 1:0.5-0.7 by sodium alkyl sulfate, benzimidazole, lauryl mercaptan and isopropanol:
Make, after 0.1-0.3:1-1.5 mixing, the aqueous solution that concentration is 0.1-0.2wt%；Preferably, the consumption of described anti-oxidation liquid is
0.01-0.02ml/g copper wire.
The processing method of high-ductility antioxidation cuprio ultra-fine wire the most according to claim 7, it is characterised in that to described copper wire
The method dripping anti-oxidation liquid includes: by non-textile mulch and described copper wire, and drips oxidation solution to described non-woven fabrics.
9. according to the processing method of high-ductility antioxidation cuprio ultra-fine wire described in any one of claim 1-8, it is characterised in that S4
In, annealing process is passed through the mixed gas of nitrogen and hydrogen, the flow of nitrogen is 2-4L/min, and the flow of hydrogen is 0.1-
0.5L/min。
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| CN107731434A (en) * | 2017-09-25 | 2018-02-23 | 江苏时瑞电子科技有限公司 | A kind of thermistor copper electrode multifunctional protection film layer and preparation method thereof |
| CN109003743A (en) * | 2018-07-25 | 2018-12-14 | 王文芳 | A kind of production method of the superfine conductor of continuous copper alloy |
| CN109182830A (en) * | 2018-09-21 | 2019-01-11 | 广东华科新材料研究院有限公司 | A kind of preparation method of oxidation-resistant alloy copper wire |
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| CN107546133A (en) * | 2017-09-11 | 2018-01-05 | 佛山慧创正元新材料科技有限公司 | The preparation method of soft anti-oxidant copper wire |
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| CN107731434A (en) * | 2017-09-25 | 2018-02-23 | 江苏时瑞电子科技有限公司 | A kind of thermistor copper electrode multifunctional protection film layer and preparation method thereof |
| CN109003743A (en) * | 2018-07-25 | 2018-12-14 | 王文芳 | A kind of production method of the superfine conductor of continuous copper alloy |
| CN109182830B (en) * | 2018-09-21 | 2020-08-21 | 广东华科新材料研究院有限公司 | Preparation method of antioxidant alloy copper wire |
| CN109182830A (en) * | 2018-09-21 | 2019-01-11 | 广东华科新材料研究院有限公司 | A kind of preparation method of oxidation-resistant alloy copper wire |
| CN111872376A (en) * | 2020-07-21 | 2020-11-03 | 云南铜业科技发展股份有限公司 | Preparation method of silver-coated micro-alloyed copper powder with high oxidation resistance |
| CN112530638A (en) * | 2020-10-19 | 2021-03-19 | 陕西斯瑞新材料股份有限公司 | Metal processing technology of copper braided metal wire soft connecting piece for transformer |
| CN112342596A (en) * | 2020-11-17 | 2021-02-09 | 昆明理工大学 | Preparation method of copper-based composite material with high conductivity |
| CN112342596B (en) * | 2020-11-17 | 2024-01-16 | 昆明理工大学 | Preparation method of copper-based composite material with high conductivity |
| CN114438479A (en) * | 2022-03-03 | 2022-05-06 | 无锡市明星精密线材有限公司 | High-strength heat-resistant copper wire and processing technology thereof |
| CN114438479B (en) * | 2022-03-03 | 2023-09-26 | 无锡市明星精密线材有限公司 | High-strength heat-resistant copper wire and processing technology thereof |
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