CN107354507B - A kind of monocrystalline conductive copper rod up-leading continuous metal cast process production technology - Google Patents
A kind of monocrystalline conductive copper rod up-leading continuous metal cast process production technology Download PDFInfo
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- CN107354507B CN107354507B CN201710641592.9A CN201710641592A CN107354507B CN 107354507 B CN107354507 B CN 107354507B CN 201710641592 A CN201710641592 A CN 201710641592A CN 107354507 B CN107354507 B CN 107354507B
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/02—Elements
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
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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
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
- C22C1/1047—Alloys containing non-metals starting from a melt by mixing and casting liquid metal matrix composites
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/001—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides
- C22C32/0015—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides with only single oxides as main non-metallic constituents
- C22C32/0021—Matrix based on noble metals, Cu or alloys thereof
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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
- C22C9/01—Alloys based on copper with aluminium as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
- C30B11/001—Continuous growth
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
- C30B11/02—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method without using solvents
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Abstract
The invention discloses a kind of monocrystalline conductive copper rod up-leading continuous metal cast process production technologies, melting is carried out the following steps are included: electrolytic copper material is launched in closing mixing melt furnace, aluminium-antimony alloy powder, europium oxide powder and beryllium alumin(i)um alloy powder are put into the copper liquid of melting, lead to the mixed gas of nitrogen and carbon monoxide to closing mixing melt furnace by the ventilation import of closing mixing melt furnace bottom, mixed gas is discharged by the aeration vent in closing mixing melt furnace roof portion again；Molten mixture is transferred in continuous up-casting melt furnace, molten mixture is entered in upward continuous casting crystallizer by siphonage, manufactured conductive copper bar is finally packaged coiled by the Base top contact by the device that is pulled by the conductive copper bar crystallized in upward continuous casting crystallizer from upward continuous casting crystallizer.The monocrystalline conductive copper bar that the present invention produces and processes can increase by 60%~80% compared to polycrystalline conduction copper material bar, elongation percentage, and resistivity can reduce by 15%~20%.
Description
Technical field
The present invention relates to a kind of Copper fabrication technology field, especially a kind of monocrystalline conductive copper rod up-leading continuous metal cast process production
Technique.
Background technique
Monocrystalline conduction copper material is a kind of novel conductor material for polycrystalline conduction copper material, due in metallic microscopic
Transverse grain boundaries are eliminated in structure, so as to improve the electric conductivity of conductive copper material and the fidelity of signal transmitting significantly；
In terms of specifically extensibility and electric conductivity, monocrystalline conduction copper material can increase by 60% compared to polycrystalline conduction copper material bar, elongation percentage
~80%, resistivity can reduce by 15%~20%, can be widely applied to the e-mails manner of breathing such as audio and video equipment, high-definition television
Pass field.
What the production of monocrystalline conduction copper material was mainly combined using directional solidification technique and continuously casting technology in technique
Method；Monocrystalline conduction copper material mainly passes through horizontal continuous casting process and is processed in the prior art, and horizontal continuous casting process obtains
Slab in oxygen content it is not easy to control, the qualification rate of the slab of production is lower；And the slab produced through horizontal continuous casting process is subsequent
It also needs that finished product can be obtained by rolling.
Updraft continuous casting process is the prevailing technology of current copper rod production, mainly for the production of the oxygen-free copper pipe of long length light
And the oxygen-free copper slab profile of long length light, copper material upper lead conticaster can be produced directly not using cathode copper continuous fusion-cast
Pole stock, tubing, slab or other profile shapes of same specification, good product quality advanced with technology, specific energy consumption be low,
Produce kind and specification it is versatile and flexible, it is adaptable, without three-waste pollution, the features such as.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of monocrystalline conductive copper rod up-leading continuous metal cast process to produce work
Skill can satisfy actual production requirement.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of monocrystalline conductive copper rod up-leading continuous metal cast process production technology, comprising the following steps:
Melting is carried out Step 1: 100 parts of electrolytic copper material is launched in closing mixing melt furnace, smelting temperature is
1100~1200 degrees Celsius, after cathode copper melts completely, continue melting 15~20 minutes；
Step 2: putting into 0.6~0.7 part of aluminium-antimony alloy powder, europium oxide powder 0.02~0.03 into the copper liquid of melting
Part and 1.1~1.2 parts of beryllium alumin(i)um alloy powder；The content of antimony element is 25%~35% in aluminium-antimony alloy powder, remaining is aluminium element；
The content of beryllium element is 60%~65% in beryllium alumin(i)um alloy powder, remaining is aluminium element；
Step 3: being arranged in the bottom setting ventilation import of closing mixing melt furnace at the top of closing mixing melt furnace
The copper liquid that joined the melting of aluminium-antimony alloy powder, europium oxide powder and beryllium alumin(i)um alloy powder is maintained at 1080 by aeration vent
~1100 degrees Celsius, melting 40~50 minutes；
Step 4: by ventilation import to closing mixing melt furnace lead to nitrogen and carbon monoxide mixed gas, nitrogen and
The mixed volume ratio of carbon monoxide and nitrogen is 1/9 in the mixed gas of carbon monoxide；Mixed gas is discharged by aeration vent again；
Step 5: the molten mixture in closing mixing melt furnace is transferred in continuous up-casting melt furnace, continuous up-casting
The heating temperature of melt furnace is 1080~1100 degrees Celsius；Then molten mixture is made to enter continuous up-casting by siphonage
In crystallizer, crystallisation by cooling is carried out by cooling water system in upward continuous casting crystallizer, the inflow temperature of cooling water system is not
Greater than 30 degrees Celsius, the leaving water temperature of cooling water system is not more than 45 degrees Celsius；
Step 6: by the device that is pulled by the conductive copper bar crystallized in upward continuous casting crystallizer from upward continuous casting crystallizer
Base top contact, and be pulled conductive copper bar with 100~120 millimeters of speed per minute, be finally packaged manufactured conductive copper bar
In rolls.
As a further improvement of the above technical scheme, in step 2, aluminium-antimony alloy will be put into the copper liquid to melting
0.7 part of powder, 0.025 part of europium oxide powder and 1.1 parts of beryllium alumin(i)um alloy powder；The content of antimony element is in aluminium-antimony alloy powder
30%, remaining is aluminium element；The content of beryllium element is 65% in beryllium alumin(i)um alloy powder, remaining is aluminium element.
As a further improvement of the above technical scheme, in step 4, in the mixed gas of detection aeration vent discharge
The concentration of carbon monoxide can stop step 4 when the volume of carbon monoxide in the mixed gas of aeration vent discharge is 10%
Operation and carry out the operation of step 5.
As a further improvement of the above technical scheme, in step 5, molten mixture in continuous up-casting melt furnace
Depth is 80~100 centimetres, and the spacing between the lower end and continuous up-casting melt furnace bottom of upward continuous casting crystallizer is 20~30
Centimetre.
Compared with prior art, the beneficial effects of the present invention are:
A kind of monocrystalline conductive copper rod up-leading continuous metal cast process production technology provided by the present invention has good product quality, unit
Low energy consumption, production kind and specification it is versatile and flexible, it is adaptable, without three-waste pollution, the advantages that；And production process of the invention
Continuity is good, high production efficiency；For the monocrystalline conductive copper bar that the present invention produces and processes compared to polycrystalline conduction copper material bar, elongation percentage can
To increase by 60%~80%, resistivity can reduce by 15%~20%.
Specific embodiment
Carry out the technology contents that present invention be described in more detail below in conjunction with specific embodiments.
Specific embodiment 1
A kind of monocrystalline conductive copper rod up-leading continuous metal cast process production technology provided by the present embodiment, comprising the following steps:
Melting is carried out Step 1: the electrolytic copper material of double centner is launched in closing mixing melt furnace, smelting temperature is
1100~1200 degrees Celsius, after cathode copper melts completely, continue melting 15~20 minutes.
Step 2: putting into 650 grams of aluminium-antimony alloy powder, 20 grams of europium oxide powder and beryllium alumin(i)um alloy powder into the copper liquid of melting
1150 grams of end；The content of antimony element is 35% in aluminium-antimony alloy powder, remaining is aluminium element；Beryllium element in beryllium alumin(i)um alloy powder
Content is 63%, remaining is aluminium element.
Step 3: being arranged in the bottom setting ventilation import of closing mixing melt furnace at the top of closing mixing melt furnace
The copper liquid that joined the melting of aluminium-antimony alloy powder, europium oxide powder and beryllium alumin(i)um alloy powder is maintained at 1080 by aeration vent
~1100 degrees Celsius, melting 40~50 minutes.
Step 4: by ventilation import to closing mixing melt furnace lead to nitrogen and carbon monoxide mixed gas, nitrogen and
The mixed volume ratio of carbon monoxide and nitrogen is 1/9 in the mixed gas of carbon monoxide；Mixed gas is discharged by aeration vent again；
The concentration for detecting carbon monoxide in the mixed gas of aeration vent discharge, when carbon monoxide in the mixed gas of aeration vent discharge
Volume when being 10%, the operation of step 4 can be stopped and carry out the operation of step 5.
Step 5: the molten mixture in closing mixing melt furnace is transferred in continuous up-casting melt furnace, continuous up-casting
The heating temperature of melt furnace is 1080~1100 degrees Celsius；The depth of molten mixture is 80~100 in continuous up-casting melt furnace
Centimetre, the spacing between the lower end and continuous up-casting melt furnace bottom of upward continuous casting crystallizer is 20~30 centimetres；Then pass through
Siphonage enters molten mixture in upward continuous casting crystallizer, in upward continuous casting crystallizer by cooling water system into
Row crystallisation by cooling, the inflow temperature of cooling water system are not more than 30 degrees Celsius, and the leaving water temperature of cooling water system is taken the photograph no more than 45
Family name's degree.
Step 6: by the device that is pulled by the conductive copper bar crystallized in upward continuous casting crystallizer from upward continuous casting crystallizer
Base top contact, and be pulled conductive copper bar with 100~120 millimeters of speed per minute, be finally packaged manufactured conductive copper bar
In rolls.
Specific embodiment 2
A kind of monocrystalline conductive copper rod up-leading continuous metal cast process production technology provided by the present embodiment, specific steps and specific implementation
Example 1 is identical, the difference is that:
Step 2: putting into 600 grams of aluminium-antimony alloy powder, 30 grams of europium oxide powder and beryllium alumin(i)um alloy powder into the copper liquid of melting
1200 grams of end；The content of antimony element is 25% in aluminium-antimony alloy powder, remaining is aluminium element；Beryllium element in beryllium alumin(i)um alloy powder
Content is 60%, remaining is aluminium element.
Specific embodiment 3
A kind of monocrystalline conductive copper rod up-leading continuous metal cast process production technology provided by the present embodiment, specific steps and specific implementation
Example 1 is identical, the difference is that:
Step 2: putting into 700 grams of aluminium-antimony alloy powder, 25 grams of europium oxide powder and beryllium alumin(i)um alloy powder into the copper liquid of melting
1100 grams of end；The content of antimony element is 30% in aluminium-antimony alloy powder, remaining is aluminium element；Beryllium element in beryllium alumin(i)um alloy powder
Content is 65%, remaining is aluminium element.
Comparative examples
A kind of monocrystalline conductive copper rod up-leading continuous metal cast process production technology provided by the present embodiment, specific steps and specific implementation
Example 1 is identical, the difference is that:
The operation of step 2 and step 3 is removed, is directly carried out Step 4: step 5 and step 6 after the completion of step 1.
The monocrystalline conductive copper bar that specific embodiment 1 and 2 produces and processes is compared to the polycrystalline conductive copper that comparative examples produce
Material bar, elongation percentage can increase by 60%~70%, and resistivity can reduce by 15%~18%；The monocrystalline that specific embodiment 3 produces and processes
Conductive copper bar can increase by 70%~80% compared to the polycrystalline conduction copper material bar that comparative examples produce, elongation percentage, and resistivity can
To reduce by 18%~20%.
Preferable implementation of the invention is illustrated above, certainly, the present invention can also use and above-mentioned implementation
The different form of mode, those skilled in the art's made equivalent transformation on the premise of without prejudice to spirit of the invention
Or corresponding change, all it should belong in protection scope of the present invention.
Claims (4)
1. a kind of monocrystalline conductive copper rod up-leading continuous metal cast process production technology, which comprises the following steps:
Melting is carried out in closing mixing melt furnace Step 1: 100 parts of electrolytic copper material is launched, smelting temperature be 1100~
1200 degrees Celsius, after cathode copper melts completely, continue melting 15~20 minutes；
Step 2: into the copper liquid of melting put into 0.6~0.7 part of aluminium-antimony alloy powder, 0.02~0.03 part of europium oxide powder and
1.1~1.2 parts of beryllium alumin(i)um alloy powder；The content of antimony element is 25%~35% in aluminium-antimony alloy powder, remaining is aluminium element；Aluminizing
The content of beryllium element is 60%~65% in alloy powder, remaining is aluminium element；
Step 3: ventilation is arranged at the top of closing mixing melt furnace in the bottom setting ventilation import of closing mixing melt furnace
Outlet, the copper liquid that joined the melting of aluminium-antimony alloy powder, europium oxide powder and beryllium alumin(i)um alloy powder is maintained at 1080~
1100 degrees Celsius, melting 40~50 minutes；
Step 4: leading to the mixed gas of nitrogen and carbon monoxide, nitrogen and an oxygen to closing mixing melt furnace by ventilation import
Changing the mixed volume ratio of carbon monoxide and nitrogen in the mixed gas of carbon is 1/9；Mixed gas is discharged by aeration vent again；
Step 5: the molten mixture in closing mixing melt furnace is transferred in continuous up-casting melt furnace, continuous up-casting melt
The heating temperature of furnace is 1080~1100 degrees Celsius；Then molten mixture is made to enter continuous up-casting crystallization by siphonage
In device, crystallisation by cooling is carried out by cooling water system in upward continuous casting crystallizer, the inflow temperature of cooling water system is not more than
30 degrees Celsius, the leaving water temperature of cooling water system is not more than 45 degrees Celsius；
Step 6: by the device that is pulled by the conductive copper bar crystallized in upward continuous casting crystallizer from the top of upward continuous casting crystallizer
Portion is drawn, and is pulled conductive copper bar with 100~120 millimeters of speed per minute, is finally packaged manufactured conductive copper bar coiled.
2. a kind of monocrystalline conductive copper rod up-leading continuous metal cast process production technology according to claim 1, it is characterised in that: in step
In two, 0.7 part of aluminium-antimony alloy powder, 0.025 part of europium oxide powder and beryllium alumin(i)um alloy powder 1.1 are put into the copper liquid of melting
Part；The content of antimony element is 30% in aluminium-antimony alloy powder, remaining is aluminium element；The content of beryllium element is in beryllium alumin(i)um alloy powder
65%, remaining is aluminium element.
3. a kind of monocrystalline conductive copper rod up-leading continuous metal cast process production technology according to claim 1, it is characterised in that: in step
In four, the concentration of carbon monoxide in the mixed gas of detection aeration vent discharge, when one in the mixed gas of aeration vent discharge
When the volume of carbonoxide is 10%, the operation of step 4 can be stopped and carry out the operation of step 5.
4. a kind of monocrystalline conductive copper rod up-leading continuous metal cast process production technology according to claim 1, it is characterised in that: in step
In five, in continuous up-casting melt furnace the depth of molten mixture be 80~100 centimetres, the lower end of upward continuous casting crystallizer with above draw
Spacing between continuous casting melt furnace bottom is 20~30 centimetres.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104690381A (en) * | 2015-02-10 | 2015-06-10 | 宁波博威麦特莱科技有限公司 | Cutting wire for one-way wire traveling of low magnesia and manufacturing method thereof |
| CN105551688A (en) * | 2016-02-16 | 2016-05-04 | 中天合金技术有限公司 | Preparation method of high-accuracy anaerobic bright copper bar |
| CN105568114A (en) * | 2015-12-24 | 2016-05-11 | 芜湖恒耀汽车零部件有限公司 | Copper-aluminum alloy material used for automobile exhaust pipe and preparation method of copper-aluminum alloy material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1777305B1 (en) * | 2004-08-10 | 2010-09-22 | Mitsubishi Shindoh Co., Ltd. | Copper-base alloy casting with refined crystal grains |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104690381A (en) * | 2015-02-10 | 2015-06-10 | 宁波博威麦特莱科技有限公司 | Cutting wire for one-way wire traveling of low magnesia and manufacturing method thereof |
| CN105568114A (en) * | 2015-12-24 | 2016-05-11 | 芜湖恒耀汽车零部件有限公司 | Copper-aluminum alloy material used for automobile exhaust pipe and preparation method of copper-aluminum alloy material |
| CN105551688A (en) * | 2016-02-16 | 2016-05-04 | 中天合金技术有限公司 | Preparation method of high-accuracy anaerobic bright copper bar |
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