CN102145447B - Preparation method of zinc-copper composite strip - Google Patents
Preparation method of zinc-copper composite strip Download PDFInfo
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- CN102145447B CN102145447B CN2011101033047A CN201110103304A CN102145447B CN 102145447 B CN102145447 B CN 102145447B CN 2011101033047 A CN2011101033047 A CN 2011101033047A CN 201110103304 A CN201110103304 A CN 201110103304A CN 102145447 B CN102145447 B CN 102145447B
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- 239000002131 composite material Substances 0.000 title claims abstract description 26
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 238000000137 annealing Methods 0.000 claims abstract description 54
- 238000005096 rolling process Methods 0.000 claims abstract description 45
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000011701 zinc Substances 0.000 claims abstract description 25
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 25
- 229910001369 Brass Inorganic materials 0.000 claims abstract description 23
- 239000010951 brass Substances 0.000 claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 claims abstract description 15
- 238000005554 pickling Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 238000005098 hot rolling Methods 0.000 claims abstract description 6
- 150000001875 compounds Chemical class 0.000 claims description 22
- 238000002844 melting Methods 0.000 claims description 13
- 230000008018 melting Effects 0.000 claims description 13
- 238000009749 continuous casting Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 6
- 238000003723 Smelting Methods 0.000 abstract description 8
- 238000003801 milling Methods 0.000 abstract description 7
- 238000005266 casting Methods 0.000 abstract description 6
- 238000013329 compounding Methods 0.000 abstract 2
- 238000011010 flushing procedure Methods 0.000 abstract 2
- 238000002156 mixing Methods 0.000 abstract 2
- 239000002184 metal Substances 0.000 description 13
- 229910052751 metal Inorganic materials 0.000 description 13
- 239000000203 mixture Substances 0.000 description 11
- 230000001681 protective effect Effects 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 239000010909 process residue Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000002788 crimping Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 241001508687 Mustela erminea Species 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- -1 ferrous metals Chemical class 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Metal Rolling (AREA)
- Conductive Materials (AREA)
Abstract
The invention discloses a preparation method of a zinc-copper composite strip. The preparation method of the zinc-copper composite strip is characterized by comprising the following steps of: (1) production of a brass strip: blending, smelting, semi-continuously casting, heating (at a temperature of 820-840 DEG C), hot rolling, milling double surfaces, carrying out primary rolling, carrying out bright annealing, carrying out pre-finish-rolling, striping, carrying out bright annealing, carrying out finish rolling, carrying out continuous annealing, pickling, and carrying out surface flushing; (2) production of a zinc strip: blending, smelting, continuously casting and rolling, pickling, and carrying out surface flushing; and (3) rolling and compounding: carrying out the rolling and compounding on the zinc strip and the brass strip. The zinc-copper composite strip prepared by the preparation method has applicable mechanical property and can substitute for the traditional brass H68 or H65 for use, thereby greatly reducing the cost.
Description
Technical field
The present invention relates to a kind of preparation method of zinc-copper composite strip.
Background technology
Fast development along with China's science and technology; Demand to nonferrous materials increases rapidly; The price of some valuable non-ferrous metals climbs up and up simultaneously; Single metal or alloy has been difficult to satisfy fully the requirement of development in science and technology to the material combination property, and therefore the space of wide development is provided for metallic composite.So-called metallic composite, the material that utilizes separately advantage of different metal exactly, two or more physics, chemistry, mechanical property different metallic are composited with complex technique on the interface.Usually the manufacturing approach of metallic composite has: composite algorithm etc. is inlayed in pressure composite algorithm (comprising roll-bonding method, blast composite algorithm etc.), composite electroplated method, casting composite method, welding composite algorithm, machined.Can improve thermal expansivity, intensity, fracture toughness, impact flexibility, anti-wear performance, electrical property and the magnetic property etc. of single metal material greatly through the composite of appropriate metallic combination manufacturing, be widely used in fields such as electronic information, five metals manufacturing, machinery and automobile making, aeronautics and space, boats and ships, chemical industry, medical and environmental protection.
Summary of the invention
The preparation method who the purpose of this invention is to provide a kind of zinc-copper composite strip.
The technical scheme that the present invention taked is:
1) production of brass band: batching, melting, semi-continuous casting, heating, hot rolling, the two-sided face that mills; Breaking down, bright annealing, finish rolling in advance, itemize, bright annealing, finish rolling, continuous annealing, pickling and surface are cleaned with water;
2) production of zinc band: batching, melting, continuous casting and rolling, pickling and surface are cleaned with water;
3) rolling compound: that zinc band and brass band is rolling compound.
Bright annealing technology is the H of 55～75vol% for the first time
2Protective atmosphere, annealing temperature are 630～650 ℃, and annealing time is 4～5 hours.
Bright annealing technology is the H of 55～75vol% for the second time
2Protective atmosphere, annealing temperature are 540～560 ℃, and annealing time is 4～5 hours.
Continuous annealing process is the H of 55～75vol%
2Protective atmosphere, annealing temperature are 480～500 ℃, and annealing time is 4～5 hours.
The working modulus of finish rolling is 60～68%.
The invention has the beneficial effects as follows: the prepared zinc-copper composite strip of preparation method of the present invention has suitable mechanical property, can substitute traditional brass H68, the use of H65 etc., reduces cost significantly.
The specific embodiment
Below in conjunction with specific embodiment the present invention is done further explanation:
Embodiment 1:
A kind of preparation method of zinc-copper composite strip may further comprise the steps:
1) production technology of brass band: batching (tough cathode+process residue of 50～60%+zinc ingot metal); Melting (smelting temperature is 1100～1160 ℃); (ingot casting is of a size of 230 * 620 * 2600mm) in semi-continuous casting; Heating (heating-up temperature is 820～840 ℃), hot rolling (finishing temperature＞550 ℃; Finish to gauge thickness is 7 mm; Rolling), the two-sided face (milling face thickness is 0.5 mm) that mills; Breaking down (finish to gauge thickness is 2.5 mm), (annealing temperature is 630～650 ℃ to bright annealing, and annealing time is 4～5 hours, and protective atmosphere is N
2+ H
2, H
2Volumetric concentration be 55～60vol%), in advance finish rolling (finish to gauge thickness is 0.6～0.8 mm), itemize (300+300mm), (annealing temperature is 540～560 ℃ to bright annealing, and annealing time is 4～5 hours, and protective atmosphere is N
2+ H
2, H
2Volumetric concentration be 55～60vol%), finish rolling (working modulus is 60～68%), (annealing temperature is 480～500 ℃, and annealing time is 4～5 hours, and protective atmosphere is N in continuous annealing
2+ H
2, H
2Volumetric concentration be 55～75vol%), pickling and surface are cleaned with water;
Thickness through blank after the finish rolling is 0.19～0.32mm.
The purpose of this step is to obtain H68 or H65 brass band, the composition of H68 or H65 brass band such as following table 1:
Table 1: the chemical composition of brass band
2) production of zinc band: (adopt the commercially available trade mark is the zinc ingot metal of Zn99.96 to batching; The 2# zinc ingot metal that is commonly called as; The process residue of collocation 30～50%), melting (is carried out melting with reverberatory furnace or line frequency furnace; Smelting temperature is 470～490 ℃, and composition should meet the regulation in the table 2), continuous casting and rolling (pouring temperature is 450～480 ℃, and volume base width is 300mm, directly is rolled into the compound thickness requirement with the zinc band of zinc-copper), pickling and surface are cleaned with water.
The chemical composition such as the table 2 of the zinc band that this step obtains:
Table 2: the chemical composition of zinc band
3) rolling compound: as will to supply on the left uncoiler that rolling compound soft state H68 or H65 copper strips send into finishing mill; Send on another left uncoiler of finishing mill supplying rolling compound zinc band; The jaw that the roll gap that uncoiling takes the lead brass to take the lead to pass together milling train with zinc is sent into right crimping machine clamps, and is rolled compound.
Rolling compound in, the thickness of used zinc band is the twice of copper strips thickness.
Embodiment 2:
A kind of preparation method of zinc-copper composite strip may further comprise the steps:
1) production technology of brass band: batching (tough cathode+process residue of 50～60%+zinc ingot metal); Melting (smelting temperature is 1100～1160 ℃); (ingot casting is of a size of 230 * 620 * 2600mm) in semi-continuous casting; Heating (heating-up temperature is 820～840 ℃), hot rolling (finishing temperature＞550 ℃; Finish to gauge thickness is 7 mm; Rolling), the two-sided face (milling face thickness is 0.5 mm) that mills; Breaking down (finish to gauge thickness is 2.5 mm), (annealing temperature is 630～650 ℃ to bright annealing, and annealing time is 4～5 hours, and protective atmosphere is N
2+ H
2, H
2Volumetric concentration be 60～70vol%), in advance finish rolling (finish to gauge thickness is 0.6～0.8 mm), itemize (300+300mm), (annealing temperature is 540～560 ℃ to bright annealing, and annealing time is 4～5 hours, and protective atmosphere is N
2+ H
2, H
2Volumetric concentration be 60～70vol%), finish rolling (working modulus is 60～68%), (annealing temperature is 480～500 ℃, and annealing time is 4～5 hours, and protective atmosphere is N in continuous annealing
2+ H
2, H
2Volumetric concentration be 55～75vol%), pickling and surface are cleaned with water;
Thickness through blank after the finish rolling is 0.19～0.32mm.
The purpose of this step is to obtain H68 or H65 brass band, the composition of H68 or H65 brass band such as the table 1 of embodiment 1:
2) production of zinc band: (adopt the commercially available trade mark is the zinc ingot metal of Zn99.96 to batching; The 2# zinc ingot metal that is commonly called as; The process residue of collocation 30～50%), melting (is carried out melting with reverberatory furnace or line frequency furnace; Smelting temperature is 470～490 ℃, and composition should meet the regulation in the table 2), continuous casting and rolling (pouring temperature is 450～480 ℃, and volume base width is 300mm, directly is rolled into the compound thickness requirement with the zinc band of zinc-copper), pickling and surface are cleaned with water.
The chemical composition of the zinc band that this step obtains such as the table 2 of embodiment 1:
3) rolling compound: as will to supply on the left uncoiler that rolling compound soft state H68 or H65 copper strips send into finishing mill; Send on another left uncoiler of finishing mill supplying rolling compound zinc band; The jaw that the roll gap that uncoiling takes the lead brass to take the lead to pass together milling train with zinc is sent into right crimping machine clamps, and is rolled compound.
Rolling compound in, the thickness of used zinc band is the twice of copper strips thickness.
Embodiment 3:
A kind of preparation method of zinc-copper composite strip may further comprise the steps:
1) production technology of brass band: batching (tough cathode+process residue of 50～60%+zinc ingot metal); Melting (smelting temperature is 1100～1160 ℃); (ingot casting is of a size of 230 * 620 * 2600mm) in semi-continuous casting; Heating (heating-up temperature is 820～840 ℃), hot rolling (finishing temperature＞550 ℃; Finish to gauge thickness is 7 mm; Rolling), the two-sided face (milling face thickness is 0.5 mm) that mills; Breaking down (finish to gauge thickness is 2.5 mm), (annealing temperature is 630～650 ℃ to bright annealing, and annealing time is 4～5 hours, and protective atmosphere is N
2+ H
2, H
2Volumetric concentration be 70～75vol%), in advance finish rolling (finish to gauge thickness is 0.6～0.8 mm), itemize (300+300mm), (annealing temperature is 540～560 ℃ to bright annealing, and annealing time is 4～5 hours, and protective atmosphere is N
2+ H
2, H
2Volumetric concentration be 70～75vol%), finish rolling (working modulus is 60～68%), (annealing temperature is 480～500 ℃, and annealing time is 4～5 hours, and protective atmosphere is N in continuous annealing
2+ H
2, H
2Volumetric concentration be 55～75vol%), pickling and surface are cleaned with water;
Thickness through blank after the finish rolling is 0.19～0.32mm.
The purpose of this step is to obtain H68 or H65 brass band, the composition of H68 or H65 brass band such as the table 1 of embodiment 1:
2) production of zinc band: (adopt the commercially available trade mark is the zinc ingot metal of Zn99.96 to batching; The 2# zinc ingot metal that is commonly called as; The process residue of collocation 30～50%), melting (is carried out melting with reverberatory furnace or line frequency furnace; Smelting temperature is 470～490 ℃, and composition should meet the regulation in the table 2), continuous casting and rolling (pouring temperature is 450～480 ℃, and volume base width is 300mm, directly is rolled into the compound thickness requirement with the zinc band of zinc-copper), pickling and surface are cleaned with water.
The chemical composition of the zinc band that this step obtains such as the table 2 of embodiment 1:
3) rolling compound: as will to supply on the left uncoiler that rolling compound soft state H68 or H65 copper strips send into finishing mill; Send on another left uncoiler of finishing mill supplying rolling compound zinc band; The jaw that the roll gap that uncoiling takes the lead brass to take the lead to pass together milling train with zinc is sent into right crimping machine clamps, and is rolled compound.Rolling compound in, the thickness of used zinc band is the twice of copper strips thickness.
The zinc-copper composite strip (embodiment 1-3) of the present invention's preparation has suitable mechanical property (like following table 3), can substitute traditional brass H68 or the use of H65, reduces cost significantly.
Table 3: the mechanical property of zinc-copper composite band (embodiment 1-3)
The zinc-copper composite strip of the present invention's preparation is particularly suited for replacing traditional brass band, makes military uniform, People's Armed Police's uniform, railway uniform, police officer's uniform, ermine and civil servant and subdues used button etc.
Claims (2)
1. the preparation method of a zinc-copper composite strip is characterized in that: may further comprise the steps:
1) production of brass band: batching, melting, semi-continuous casting, heating, hot rolling, the two-sided face that mills; Breaking down, bright annealing, finish rolling in advance, itemize, bright annealing, finish rolling, continuous annealing, pickling and surface are cleaned with water;
2) production of zinc band: batching, melting, continuous casting and rolling, pickling and surface are cleaned with water;
3) rolling compound: that zinc band and brass band is rolling compound;
Bright annealing technology is the H of 55～75vol% for the first time
2Protective atmosphere, annealing temperature are 630～650 ℃, and annealing time is 4～5 hours; Bright annealing technology is the H of 55～75vol% for the second time
2Protective atmosphere, annealing temperature are 540～560 ℃, and annealing time is 4～5 hours; Continuous annealing process is the H of 55～75vol%
2Protective atmosphere, annealing temperature are 480～500 ℃, and annealing time is 4～5 hours.
2. the preparation method of a kind of zinc-copper composite strip according to claim 1 is characterized in that: the working modulus of finish rolling is 60～68%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101033047A CN102145447B (en) | 2011-04-25 | 2011-04-25 | Preparation method of zinc-copper composite strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101033047A CN102145447B (en) | 2011-04-25 | 2011-04-25 | Preparation method of zinc-copper composite strip |
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| Publication Number | Publication Date |
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| CN102145447A CN102145447A (en) | 2011-08-10 |
| CN102145447B true CN102145447B (en) | 2012-11-14 |
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| CN2011101033047A Expired - Fee Related CN102145447B (en) | 2011-04-25 | 2011-04-25 | Preparation method of zinc-copper composite strip |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106435257A (en) * | 2016-11-22 | 2017-02-22 | 上海泰宏金属材料有限公司 | Copper belt production formula and preparing method thereof |
| CN108220669A (en) * | 2018-02-05 | 2018-06-29 | 南通鑫祥锌业有限公司 | A kind of pltine band and its manufacture craft |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1247873A1 (en) * | 2001-04-04 | 2002-10-09 | VAW Aluminium AG | Process for producing AlMn strip or sheet |
| CN1804074A (en) * | 2006-01-13 | 2006-07-19 | 菏泽广源铜带有限责任公司 | Method for manufacturing anti-corrosion alloy brass H70 and copper belt thereof |
| CN1962255A (en) * | 2005-11-09 | 2007-05-16 | 余鹏 | Aluminium nickel double metal composite strip and its production process |
| CN201476548U (en) * | 2009-09-07 | 2010-05-19 | 广州市腾业锌材有限公司 | Induction furnace for zinc strip plate continuous casting and rolling process |
-
2011
- 2011-04-25 CN CN2011101033047A patent/CN102145447B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1247873A1 (en) * | 2001-04-04 | 2002-10-09 | VAW Aluminium AG | Process for producing AlMn strip or sheet |
| CN1962255A (en) * | 2005-11-09 | 2007-05-16 | 余鹏 | Aluminium nickel double metal composite strip and its production process |
| CN1804074A (en) * | 2006-01-13 | 2006-07-19 | 菏泽广源铜带有限责任公司 | Method for manufacturing anti-corrosion alloy brass H70 and copper belt thereof |
| CN201476548U (en) * | 2009-09-07 | 2010-05-19 | 广州市腾业锌材有限公司 | Induction furnace for zinc strip plate continuous casting and rolling process |
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