CN109055809A - A kind of preparation method of electrode material Cu-Cr-Be alloy - Google Patents
A kind of preparation method of electrode material Cu-Cr-Be alloy Download PDFInfo
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- CN109055809A CN109055809A CN201810748025.8A CN201810748025A CN109055809A CN 109055809 A CN109055809 A CN 109055809A CN 201810748025 A CN201810748025 A CN 201810748025A CN 109055809 A CN109055809 A CN 109055809A
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- 229910000952 Be alloy Inorganic materials 0.000 title claims abstract description 15
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000007772 electrode material Substances 0.000 title claims abstract description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000010949 copper Substances 0.000 claims abstract description 43
- 229910052802 copper Inorganic materials 0.000 claims abstract description 43
- 239000000956 alloy Substances 0.000 claims abstract description 25
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 24
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 16
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 11
- 239000011651 chromium Substances 0.000 claims abstract description 11
- 239000004411 aluminium Substances 0.000 claims abstract description 10
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 10
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 8
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052790 beryllium Inorganic materials 0.000 claims abstract description 8
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 8
- 239000011777 magnesium Substances 0.000 claims abstract description 8
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 8
- 229910052709 silver Inorganic materials 0.000 claims abstract description 8
- 239000004332 silver Substances 0.000 claims abstract description 8
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 6
- 239000010941 cobalt Substances 0.000 claims abstract description 6
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 56
- 230000006698 induction Effects 0.000 claims description 44
- 238000005266 casting Methods 0.000 claims description 19
- 238000005096 rolling process Methods 0.000 claims description 15
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 238000003723 Smelting Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 229910052786 argon Inorganic materials 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 238000010791 quenching Methods 0.000 claims description 4
- 229910052718 tin Inorganic materials 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 238000007872 degassing Methods 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- 238000004321 preservation Methods 0.000 claims 1
- 230000000171 quenching effect Effects 0.000 claims 1
- 238000003466 welding Methods 0.000 description 11
- GXDVEXJTVGRLNW-UHFFFAOYSA-N [Cr].[Cu] Chemical compound [Cr].[Cu] GXDVEXJTVGRLNW-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011135 tin Substances 0.000 description 3
- 229910000570 Cupronickel Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- OWXLRKWPEIAGAT-UHFFFAOYSA-N [Mg].[Cu] Chemical compound [Mg].[Cu] OWXLRKWPEIAGAT-UHFFFAOYSA-N 0.000 description 2
- RYTYSMSQNNBZDP-UHFFFAOYSA-N cobalt copper Chemical compound [Co].[Cu] RYTYSMSQNNBZDP-UHFFFAOYSA-N 0.000 description 2
- WCCJDBZJUYKDBF-UHFFFAOYSA-N copper silicon Chemical compound [Si].[Cu] WCCJDBZJUYKDBF-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010946 fine silver Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910021652 non-ferrous alloy Inorganic materials 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
Classifications
-
- 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
- C22C9/06—Alloys based on copper with nickel or cobalt as the next major constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
- B22D11/004—Copper alloys
-
- 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
-
- 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
-
- 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
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)
- Metal Rolling (AREA)
Abstract
A kind of preparation method of electrode material Cu-Cr-Be alloy, cobalt content 2.0-2.5% in alloy in percentage by weight, beryllium content 0.4-0.5%, chromium content 0.04-0.05%, aluminium content 0.04-0.05%, content of magnesium 0.04-0.05%, silver content 0.04-0.05%, silicone content 0.04-0.05%, nickel content 0.04-0.05%, Theil indices 0.04-0.05%, remaining surplus are copper；The preparation method of alloy is: continuous up-casting-induction heating-is continuously extruded-continuous rolling-induction heating-continuous rolling-timeliness-drawing.
Description
Technical field
The present invention relates to a kind of preparation method of non-ferrous alloy more particularly to a kind of electrode material Cu-Cr-Be alloy
Preparation method.
Background technique
Electric resistance welding is the welding method of kind of efficient pollution-free, is widely used in vehicle, ship, aircraft, household electrical appliances light industrial goods
Manufacturing field.Electrode is the critical component in electric resistance welding equipment, plays a part of to clamp weldment, transmitting pressure and high-power electric current.
When welding steel, electrode will bear the effect of high pressure, high current, and electrode Local Instantaneous temperature rise is up to 400~600 DEG C, it is necessary to
Select electrical and thermal conductivity it is good, with some strength, softening resistance is high, is not easy that and weldment generates alloying and bonding material makes
Electrode.With the high speed development of national economy, processing manufacturing industry scale constantly expands, and electric resistance welding is using increasingly extensive, according to statistics
Steel for electric resistance welding field have accounted for 30% or so of welded structural steel total amount at present, especially in mild steel, galvanized steel plain sheet
In terms of the welding of Mayari, electric resistance welding using more popular, for manufacturing the alloy material of resistance welding electrode
The market demand is increasingly vigorous, and resistance welding electrode is a kind of consumables, currently, having the conjunction of copper chromium system in the electrode that electric resistance welding field uses
Gold, alumina dispersion-strenghtened copper alloy electrode etc..
Summary of the invention
The object of the present invention is to provide a kind of preparation methods of Cu-Cr-Be alloy haveing excellent performance, and meet making for electrode material
With.
The present invention prepares Cu-Cr-Be alloy in percentage by weight, cobalt content 2.0-2.5%, beryllium content 0.4-0.5%,
Chromium content 0.04-0.05%, aluminium content 0.04-0.05%, content of magnesium 0.04-0.05%, silver content 0.04-0.05%, silicon contain
0.04-0.05%, nickel content 0.04-0.05%, Theil indices 0.04-0.05% are measured, remaining surplus is copper；Cobalt content contains with beryllium
The ratio of amount is 5:1, beryllium content and chromium content, aluminium content, content of magnesium, silver content, silicone content, nickel content, Theil indices ratio
For 10:1, chromium content, aluminium content, content of magnesium, silver content, silicone content, nickel content, Theil indices ratio be 1:1:1:1:1:1:1.
The preparation method is that: continuous up-casting-induction heating-is continuously extruded-continuous rolling-induction heating-
Continuous rolling-timeliness-drawing.
(1) continuous up-casting: using power frequency continuous up-casting furnace, launch after Cu-CATH-1 is dried into smelting apparatus, melts
Refining device includes smelting furnace, compartment, holding furnace three parts composition, and wherein melting furnace temperature is 1400-1450 DEG C, keeps the temperature furnace temperature
It is 1350-1400 DEG C, compartment is equipped with online depassing unit, is filled with 99.996% argon into copper liquid by online depassing unit
Gas, and by controlled rotation graphite shaft and rotor, argon gas is pressed into copper liquid and is dispersed as micro-bubble, divides it uniformly
It is dispersed in copper liquid, thus achieve the purpose that degasification, deoxidation, source outlet pressure 0.5MPa, 0.5~1.0Nm of flow3/ h, rotor
Revolving speed is controlled in 150~200r/min, by online depassing unit, the oxygen content in copper liquid is made to be less than 3ppm.
Using fine silver, fine aluminium, copper cobalt intermediate alloy, Bealloy, copper magnesium intermediate alloy, copper silicon intermediate alloy, copper
Chromium intermediate alloy, cupro-nickel intermediate alloy, copper and tin intermediate alloy are proportionally added in smelting apparatus.
Using traction link seat, continuous up-casting copper bar, copper bar pitch are 1.5~2.0mm, the speed of continuous up-casting in holding furnace
Degree is 500mm/min, stops Lapie and leads as 60%-70%, using fine pith, stops Lapie greatly and leads to improve copper bar surface quality, avoid
Copper bar is broken.Continuous up-casting diameter Ф 20mm, less than 35 DEG C, the cooling of crystallizer follows the cooling circulating water inflow temperature of crystallizer
Ring water inflow and outflow temperature difference is less than 8 DEG C.
The crystallizer that continuous up-casting uses be ceramic material, meanwhile, internal surface of crystallizer chromium plating, chrome layer with a thickness of
0.05~0.2mm.
(2) induction heating: being drawn copper bar by using induction heating apparatus and be heated to 850~950 DEG C, induction heating apparatus point
For two parts, wherein the heating power of first part is 400KW, frequency 2000HZ, copper bar after first part's induction heating
Temperature is 800~850 DEG C；The heating power of second part is 100KW, frequency 4000HZ, copper after first part's induction heating
The temperature of bar is 900~950 DEG C；Induction heating apparatus prevents from aoxidizing using protective atmosphere.
(3) continuously extruded: the high temperature copper bar after induction heating to be sent directly into continuous extruder, continuous extruder revolving speed
For 5-7r/min, continuously extruded flash rate control is 6~8%.
(4) continuous rolling: mill speed 0.15-0.25 meter per second；The general working rate of continuous rolling is 30-80%.
(5) induction heating: the alloy after rolling is heated to 850~950 DEG C using induction heating apparatus, induction heating dress
It sets and is divided into two parts, wherein the heating power of first part is 400KW, frequency 2000HZ, is closed after first part's induction heating
The temperature of gold is 800~850 DEG C；The heating power of second part is 100KW, frequency 4000HZ, first part's induction heating
The temperature of alloy is 900~950 DEG C afterwards；Induction heating apparatus prevents from aoxidizing using protective atmosphere, by the alloy after induction heating
Direct-water-quenching.
(6) continuous rolling: mill speed 0.15-0.25 meter per second；The general working rate of continuous rolling is 30-80%.
(7) timeliness: 450 DEG C -550 DEG C of temperature, time 3-5 hour.
(8) drawing: working modulus 10%-50%.
The tensile strength of the Cu-Cr-Be alloy of above method preparation is greater than 800MPa, and elongation percentage is greater than 5%, and conductivity is greater than
30%IACS, softening temperature are greater than 550 DEG C.
The beneficial effects of the present invention are:
1. realizing serialization, the large-scale production of Cu-Cr-Be alloy using the method for continuous up-casting.
2. being increased using the temperature that the method for induction heating draws copper bar by, and directly continuously squeezed using atmosphere protection
Pressure, is conducive to continuously extruding and molding.Using the method for induction heating will be continuously extruded after alloy direct-water-quenching, play solid solution
Effect.
3. optimizing the ingredient of Cu-Cr-Be alloy, the Cu-Cr-Be alloy of preparation is had excellent performance.
Specific embodiment
The invention will be further described With reference to embodiment.
The present invention prepares Cu-Cr-Be alloy in percentage by weight, cobalt content 2.5%, beryllium content 0.5%, chromium content
0.05%, aluminium content 0.05%, content of magnesium 0.05%, silver content 0.05%, silicone content 0.05%, nickel content 0.05%, tin contains
Amount 0.05%, remaining surplus are copper；The preparation method is that: continuous up-casting-induction heating-is continuously extruded-continuous
Rolling-induction heating-continuous rolling-timeliness-drawing.
(1) continuous up-casting: using power frequency continuous up-casting furnace, launch after Cu-CATH-1 is dried into smelting apparatus, melts
Refining device includes smelting furnace, compartment, holding furnace three parts composition, and wherein melting furnace temperature is 1400-1450 DEG C, keeps the temperature furnace temperature
It is 1350-1400 DEG C, compartment is equipped with online depassing unit, is filled with 99.996% argon into copper liquid by online depassing unit
Gas, and by controlled rotation graphite shaft and rotor, argon gas is pressed into copper liquid and is dispersed as micro-bubble, divides it uniformly
It is dispersed in copper liquid, thus achieve the purpose that degasification, deoxidation, source outlet pressure 0.5MPa, 0.5~1.0Nm of flow3/ h, rotor
Revolving speed is controlled in 150~200r/min, by online depassing unit, the oxygen content in copper liquid is made to be less than 3ppm.
Using fine silver, fine aluminium, copper cobalt intermediate alloy, Bealloy, copper magnesium intermediate alloy, copper silicon intermediate alloy, copper
Chromium intermediate alloy, cupro-nickel intermediate alloy, copper and tin intermediate alloy are proportionally added in smelting apparatus.
Using traction link seat, continuous up-casting copper bar, copper bar pitch are 1.5~2.0mm, the speed of continuous up-casting in holding furnace
Degree is 500mm/min, stops Lapie and leads as 60%-70%, using fine pith, stops Lapie greatly and leads to improve copper bar surface quality, avoid
Copper bar is broken.Continuous up-casting diameter Ф 20mm, less than 35 DEG C, the cooling of crystallizer follows the cooling circulating water inflow temperature of crystallizer
Ring water inflow and outflow temperature difference is less than 8 DEG C.
The crystallizer that continuous up-casting uses be ceramic material, meanwhile, internal surface of crystallizer chromium plating, chrome layer with a thickness of
0.05~0.2mm.
(2) induction heating: being drawn copper bar by using induction heating apparatus and be heated to 850~950 DEG C, induction heating apparatus point
For two parts, wherein the heating power of first part is 400KW, frequency 2000HZ, copper bar after first part's induction heating
Temperature is 800~850 DEG C；The heating power of second part is 100KW, frequency 4000HZ, copper after first part's induction heating
The temperature of bar is 900~950 DEG C；Induction heating apparatus prevents from aoxidizing using protective atmosphere.
(3) continuously extruded: the high temperature copper bar after induction heating to be sent directly into continuous extruder, continuous extruder revolving speed
For 5-7r/min, continuously extruded flash rate control is 6~8%.
(4) continuous rolling: mill speed 0.15-0.25 meter per second；The general working rate of continuous rolling is 30-80%.
(5) induction heating: the alloy after rolling is heated to 850~950 DEG C using induction heating apparatus, induction heating dress
It sets and is divided into two parts, wherein the heating power of first part is 400KW, frequency 2000HZ, is closed after first part's induction heating
The temperature of gold is 800~850 DEG C；The heating power of second part is 100KW, frequency 4000HZ, first part's induction heating
The temperature of alloy is 900~950 DEG C afterwards；Induction heating apparatus prevents from aoxidizing using protective atmosphere, by the alloy after induction heating
Direct-water-quenching.
(6) continuous rolling: mill speed 0.15-0.25 meter per second；The general working rate of continuous rolling is 30-80%.
(7) timeliness: 450 DEG C -550 DEG C of temperature, time 3-5 hour.
(8) drawing: working modulus 10%-50%.
The tensile strength of the Cu-Cr-Be alloy of above method preparation is greater than 800MPa, and elongation percentage is greater than 5%, and conductivity is greater than
30%IACS, softening temperature are greater than 550 DEG C.
Above-described embodiment is only used for illustrating inventive concept of the invention, rather than the restriction to rights protection of the present invention,
It is all to be made a non-material change to the present invention using this design, protection scope of the present invention should all be fallen into.
Claims (1)
1. a kind of preparation method of electrode material Cu-Cr-Be alloy, it is characterised in that: the Cu-Cr-Be alloy is according to weight
Percentages, cobalt content 2.0-2.5%, beryllium content 0.4-0.5%, chromium content 0.04-0.05%, aluminium content 0.04-0.05%,
Content of magnesium 0.04-0.05%, silver content 0.04-0.05%, silicone content 0.04-0.05%, nickel content 0.04-0.05%, tin contain
0.04-0.05% is measured, remaining surplus is copper；The ratio of cobalt content and beryllium content is 5:1, beryllium content and chromium content, aluminium content,
Content of magnesium, silver content, silicone content, nickel content, Theil indices ratio be 10:1, chromium content, aluminium content, content of magnesium, silver content, silicon
Content, nickel content, Theil indices ratio be 1:1:1:1:1:1:1；The preparation method is: continuous up-casting-induction heating-
Continuously extruded-continuous rolling-induction heating-continuous rolling-timeliness-drawing:
(1) continuous up-casting: using power frequency continuous up-casting furnace, launch after Cu-CATH-1 is dried into smelting apparatus, melting dress
It sets including smelting furnace, compartment, holding furnace three parts composition, wherein melting furnace temperature is 1400-1450 DEG C, and heat preservation furnace temperature is
1350-1400 DEG C, compartment is equipped with online depassing unit, is filled with 99.996% argon into copper liquid by online depassing unit
Gas, and by controlled rotation graphite shaft and rotor, argon gas is pressed into copper liquid and is dispersed as micro-bubble, divides it uniformly
It is dispersed in copper liquid, thus achieve the purpose that degasification, deoxidation, source outlet pressure 0.5MPa, 0.5~1.0Nm of flow3/ h, rotor
Revolving speed is controlled in 150~200r/min, by online depassing unit, the oxygen content in copper liquid is made to be less than 3ppm；
Using traction link seat, continuous up-casting copper bar, copper bar pitch are 1.5~2.0mm in holding furnace, and the speed of continuous up-casting is
500mm/min stops Lapie and leads as 60%-70%, using fine pith, stops Lapie greatly and leads to improve copper bar surface quality, avoid copper bar
It breaks.Continuous up-casting diameter Ф 20mm, the cooling circulating water inflow temperature of crystallizer is less than 35 DEG C, the cooling circulating water of crystallizer
Inflow and outflow temperature difference is less than 8 DEG C；The crystallizer that continuous up-casting uses is ceramic material, meanwhile, internal surface of crystallizer chromium plating,
Chrome layer with a thickness of 0.05~0.2mm；
(2) induction heating: draw copper bar by using induction heating apparatus and be heated to 850~950 DEG C, induction heating apparatus is divided into two
Part, wherein the heating power of first part is 400KW, frequency 2000HZ, the temperature of copper bar after first part's induction heating
It is 800~850 DEG C；The heating power of second part is 100KW, frequency 4000HZ, copper bar after first part's induction heating
Temperature is 900~950 DEG C；Induction heating apparatus prevents from aoxidizing using protective atmosphere；
(3) continuously extruded: the high temperature copper bar after induction heating to be sent directly into continuous extruder, continuous extruder revolving speed is 5-
7r/min, continuously extruded flash rate control is 6~8%；
(4) continuous rolling: mill speed 0.15-0.25 meter per second；The general working rate of continuous rolling is 30-80%；
(5) induction heating: the alloy after rolling is heated to 850~950 DEG C using induction heating apparatus, induction heating apparatus point
For two parts, wherein the heating power of first part is 400KW, frequency 2000HZ, alloy after first part's induction heating
Temperature is 800~850 DEG C；The heating power of second part is 100KW, frequency 4000HZ, is closed after first part's induction heating
The temperature of gold is 900~950 DEG C；Induction heating apparatus prevents from aoxidizing using protective atmosphere, and the alloy after induction heating is direct
Water quenching；
(6) continuous rolling: mill speed 0.15-0.25 meter per second；The general working rate of continuous rolling is 30-80%；
(7) timeliness: 450 DEG C -550 DEG C of temperature, time 3-5 hour；
(8) drawing: working modulus 10%-50%；
The tensile strength of the Cu-Cr-Be alloy of above method preparation is greater than 800MPa, and elongation percentage is greater than 5%, and conductivity is greater than 30%
IACS, softening temperature are greater than 550 DEG C.
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| CN201810748025.8A CN109055809A (en) | 2018-07-10 | 2018-07-10 | A kind of preparation method of electrode material Cu-Cr-Be alloy |
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| CN201810748025.8A CN109055809A (en) | 2018-07-10 | 2018-07-10 | A kind of preparation method of electrode material Cu-Cr-Be alloy |
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| CN101550504A (en) * | 2009-05-25 | 2009-10-07 | 扬中市利达合金制品有限公司 | Manufacturing method of high-conductivity low-beryllium bronze band |
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