CN108559871A - A kind of high strength copper alloy wire rod and preparation method thereof - Google Patents
A kind of high strength copper alloy wire rod and preparation method thereof Download PDFInfo
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- CN108559871A CN108559871A CN201810813832.3A CN201810813832A CN108559871A CN 108559871 A CN108559871 A CN 108559871A CN 201810813832 A CN201810813832 A CN 201810813832A CN 108559871 A CN108559871 A CN 108559871A
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- copper
- copper alloy
- alloy wire
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- wire rod
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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
- C22C9/06—Alloys based on copper with nickel or cobalt as the next major constituent
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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
- C22C1/03—Making non-ferrous alloys by melting using master alloys
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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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- Crystallography & Structural Chemistry (AREA)
- Conductive Materials (AREA)
Abstract
The present invention provides a kind of high strength copper alloy wire rod, the material matched by following parts by weight is made：Nickel 0.6 0.8%, cobalt 0.1 0.12%, chromium 0.06 0.08%, molybdenum 0.05 0.06%, silicon 0.01 0.02%, magnesium 0.01 0.15%, zirconium 0.01 0.03%, niobium 0.02 0.05%, strontium 0.02 0.05%, surplus is copper.High strength copper alloy wire rod of the present invention can promote the tensile strength, inoxidizability and conductivity of copper alloy wire by elements such as the nickel, chromium, zirconium, molybdenum, magnesium, niobium, the strontiums that are added in copper alloy wire.The present invention also provides the preparation method of the high strength copper alloy wire rod, which so that metal mixed uniform elongation is good by the way of powder smelting, so that materials conductive rate is high by hot rolling and ageing treatment, material against oxidative effect is good.
Description
Technical field
The present invention relates to alloying technology fields, more particularly to a kind of high strength copper alloy wire rod and preparation method thereof.
Background technology
Since copper alloy has more excellent performance, thus in the extensive purposes that has of national economy, such as machinery,
Electronics, automobile, electric power, communication, the consumption figure of traffic and light industry department copper wires are all very big.Current copper alloy wire city in the world
The growth rate of field demand, higher than copper materials kinds such as strip, pipe sticks.It is 5-6% that copper alloy wire, which accounts for copper wires ratio, accounts for copper and adds
The ratio of work material is 2-3%.But existing copper alloy wire tensile strength is not high, antioxidant effect is bad, and conductivity is not high.
Invention content
In view of the above technical problems, the purpose of the present invention is to provide a kind of tensile strength height, antioxidant effect is good, conductive
The high high strength copper alloy wire rod of rate.The present invention also provides the preparation methods of the high strength copper alloy wire rod.
The technical solution adopted by the present invention is：
A kind of high strength copper alloy wire rod, the material matched by following parts by weight are made：Nickel 0.6-0.8%, cobalt 0.1-
0.12%, chromium 0.06-0.08%, molybdenum 0.05-0.06%, silicon 0.01-0.02%, magnesium 0.01-0.15%, zirconium 0.01-0.03%,
Niobium 0.02-0.05%, strontium 0.02-0.05%, surplus are copper.
High strength copper alloy wire rod of the present invention, wherein the material matched by following parts by weight is made：Nickel
0.6%, cobalt 0.12%, chromium 0.08%, molybdenum 0.06%, silicon 0.01%, magnesium 0.15%, zirconium 0.03%, niobium 0.02%, strontium
0.05%, surplus is copper.
High strength copper alloy wire rod of the present invention, wherein the material matched by following parts by weight is made：Nickel
0.8%, cobalt 0.1%, chromium 0.06%, molybdenum 0.05%, silicon 0.02%, magnesium 0.01%, zirconium 0.01%, niobium 0.05%, strontium 0.02%,
Surplus is copper.
The preparation method of high strength copper alloy wire rod of the present invention, includes the following steps：
(1) dispensing：Among the high-purity copper ingot of component requirements preparation raw material, cupro-nickel intermediate alloy, copper cobalt intermediate alloy, copper chromium
In alloy, copper-molybdenum intermediate alloy, copper silicon intermediate alloy, copper U.S. intermediate alloy, copper zirconium intermediate alloy, copper niobium intermediate alloy and copper strontium
Between alloy；
(2) melting：Raw material described in step (1) is put into reaction kettle and is preheated, it is 60-65 DEG C to adjust temperature,
Mixing speed is 600-750r/min, reacts 2-3min；Then the raw material after preheating is put into temperature in vacuum melting furnace
It is increased to 1120-1200 DEG C, 3-5min is kept the temperature, then heat the raw material to molten condition, stirs and keep the temperature 0.5-1.h, then very
It is air-cooled but, copper alloy ingot is made；
(3) it homogenizes：Copper alloy ingot described in step (2) is subjected to homogenizing annealing processing under protective atmosphere, is obtained
The ingot casting of homogenization；
(4) hot rolling：Ingot casting after homogenization in step (3) is subjected to hot rolling, hot-rolled temperature is 950-1000 DEG C, and thickness is made
Degree is the thin plate of 3-5mm, is then drawn into copper alloy wire using wire drawing machine；
(5) aging strengthening model：Aging strengthening model is carried out to the copper alloy wire of step (4), is sent into 450-500 DEG C of heat treatment
In stove, then processing time 30-60min carries out natural aging treatment 15-20h in insulating box, obtains high strength copper alloy
Wire rod.
The preparation method of high strength copper alloy wire rod of the present invention, wherein homogenizing annealing processing temperature in step (3)
Degree is 920-950 DEG C, and homogenizing annealing processing time is 3-5h.
The preparation method of high strength copper alloy wire rod of the present invention, wherein every time roll reduction in step (4)
For 2.5-4mm.
The preparation method of high strength copper alloy wire rod of the present invention, wherein protective atmosphere described in step (3) is nitrogen
Gas.
Advantageous effect of the present invention：
High strength copper alloy wire rod of the present invention, by the nickel that is added in copper alloy wire, chromium, zirconium, molybdenum, magnesium,
The elements such as niobium, strontium can promote the tensile strength, inoxidizability and conductivity of copper alloy wire.
The preparation method of high strength copper alloy wire rod of the present invention, makes metal mixed by the way of powder smelting
Uniform elongation is good, so that materials conductive rate is high by hot rolling and ageing treatment, material against oxidative effect is good.
Below in conjunction with specific embodiment, the invention will be further described.
Specific implementation mode
Embodiment 1
A kind of high strength copper alloy wire rod, the material matched by following parts by weight are made：Nickel 0.6%, cobalt 0.12%, chromium
0.08%, molybdenum 0.06%, silicon 0.01%, magnesium 0.15%, zirconium 0.03%, niobium 0.02%, strontium 0.05%, surplus is copper.
The preparation method of high strength copper alloy wire rod described in the present embodiment, includes the following steps：
(1) dispensing：Among the high-purity copper ingot of component requirements preparation raw material, cupro-nickel intermediate alloy, copper cobalt intermediate alloy, copper chromium
In alloy, copper-molybdenum intermediate alloy, copper silicon intermediate alloy, copper U.S. intermediate alloy, copper zirconium intermediate alloy, copper niobium intermediate alloy and copper strontium
Between alloy；
(2) melting：Raw material described in step (1) is put into reaction kettle and is preheated, it is 60 DEG C to adjust temperature, stirring
Speed is 750r/min, reacts 2min；Then the raw material after preheating is put into and raises the temperature to 1120- in vacuum melting furnace
1200 DEG C, 3min is kept the temperature, then heat the raw material to molten condition, stir and keep the temperature 1.h, then vacuum cooled, copper alloy is made
Ingot；
(3) it homogenizes：Copper alloy ingot described in step (2) is subjected to homogenizing annealing processing under protective atmosphere, is obtained
The ingot casting of homogenization；Homogenizing annealing treatment temperature is 950 DEG C, and homogenizing annealing processing time is 5h；The protective atmosphere is
Nitrogen；
(4) hot rolling：Ingot casting after homogenization in step (3) is subjected to hot rolling, hot-rolled temperature is 950 DEG C, every time rolling
Drafts is 2.5mm, and the thin plate that thickness is 3mm is made, is then drawn into copper alloy wire using wire drawing machine；
(5) aging strengthening model：Aging strengthening model is carried out to the copper alloy wire of step (4), is sent into 500 DEG C of heat-treatment furnaces
In, then processing time 60min carries out natural aging treatment 20h in insulating box, obtains high strength copper alloy wire rod.
The tensile strength for the high strength copper alloy wire rod that the present embodiment 1 obtains is 1152MPa, elongation percentage 3.1%, hardness
For 325HV, conductivity 32.5%IACS.
Embodiment 2
A kind of high strength copper alloy wire rod, the material matched by following parts by weight are made：Nickel 0.8%, cobalt 0.1%, chromium
0.06%, molybdenum 0.05%, silicon 0.02%, magnesium 0.01%, zirconium 0.01%, niobium 0.05%, strontium 0.02%, surplus is copper.
The preparation method of high strength copper alloy wire rod described in the present embodiment, includes the following steps：
(1) dispensing：Among the high-purity copper ingot of component requirements preparation raw material, cupro-nickel intermediate alloy, copper cobalt intermediate alloy, copper chromium
In alloy, copper-molybdenum intermediate alloy, copper silicon intermediate alloy, copper U.S. intermediate alloy, copper zirconium intermediate alloy, copper niobium intermediate alloy and copper strontium
Between alloy；
(2) melting：Raw material described in step (1) is put into reaction kettle and is preheated, it is 65 DEG C to adjust temperature, stirring
Speed is 750r/min, reacts 3min；Then the raw material after preheating is put into and raises the temperature to 1120- in vacuum melting furnace
1200 DEG C, 5min is kept the temperature, then heat the raw material to molten condition, stir and keep the temperature 0.5.h, then vacuum cooled, copper is made and closes
Ingot；
(3) it homogenizes：Copper alloy ingot described in step (2) is subjected to homogenizing annealing processing under protective atmosphere, is obtained
The ingot casting of homogenization；Homogenizing annealing treatment temperature is 920 DEG C, and homogenizing annealing processing time is 3h；The protective atmosphere is
Nitrogen；
(4) hot rolling：Ingot casting after homogenization in step (3) is subjected to hot rolling, hot-rolled temperature is 1000 DEG C, every time rolling
Drafts is 4mm, and the thin plate that thickness is 5mm is made, is then drawn into copper alloy wire using wire drawing machine；
(5) aging strengthening model：Aging strengthening model is carried out to the copper alloy wire of step (4), is sent into 450 DEG C of heat-treatment furnaces
In, then processing time 30min carries out natural aging treatment 15h in insulating box, obtains high strength copper alloy wire rod.
The tensile strength for the high strength copper alloy wire rod that the present embodiment 1 and 2 obtains be 1169MPa, elongation percentage 3.1%,
Hardness is 331HV, conductivity 33.5%IACS.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
It encloses and is defined, under the premise of not departing from design spirit of the present invention, technical side of the those of ordinary skill in the art to the present invention
The various modifications and improvement that case is made should all be fallen into the protection domain of claims of the present invention determination.
Claims (7)
1. a kind of high strength copper alloy wire rod, it is characterised in that：The material matched by following parts by weight is made：Nickel 0.6-
0.8%, cobalt 0.1-0.12%, chromium 0.06-0.08%, molybdenum 0.05-0.06%, silicon 0.01-0.02%, magnesium 0.01-0.15%, zirconium
0.01-0.03%, niobium 0.02-0.05%, strontium 0.02-0.05%, surplus are copper.
2. high strength copper alloy wire rod according to claim 1, it is characterised in that：The material matched by following parts by weight
It is made：Nickel 0.6%, cobalt 0.12%, chromium 0.08%, molybdenum 0.06%, silicon 0.01%, magnesium 0.15%, zirconium 0.03%, niobium 0.02%,
Strontium 0.05%, surplus are copper.
3. high strength copper alloy wire rod according to claim 1, it is characterised in that：The material matched by following parts by weight
It is made：Nickel 0.8%, cobalt 0.1%, chromium 0.06%, molybdenum 0.05%, silicon 0.02%, magnesium 0.01%, zirconium 0.01%, niobium 0.05%, strontium
0.02%, surplus is copper.
4. the preparation method of the high strength copper alloy wire rod described in claim 1-3 any one, it is characterised in that：Including following
Step：
(1) dispensing：Prepare the high-purity copper ingot of raw material, cupro-nickel intermediate alloy, copper cobalt intermediate alloy, the centre conjunction of copper chromium by component requirements
Among gold, copper-molybdenum intermediate alloy, copper silicon intermediate alloy, copper U.S. intermediate alloy, copper zirconium intermediate alloy, copper niobium intermediate alloy and copper strontium
Alloy；
(2) melting：Raw material described in step (1) is put into reaction kettle and is preheated, it is 60-65 DEG C to adjust temperature, stirring
Speed is 600-750r/min, reacts 2-3min；Then the raw material after preheating is put into vacuum melting furnace and increases temperature
To 1120-1200 DEG C, 3-5min is kept the temperature, then heat the raw material to molten condition, stir and keep the temperature 0.5-1.h, then vacuum is cold
But, copper alloy ingot is made；
(3) it homogenizes：Copper alloy ingot described in step (2) is subjected to homogenizing annealing processing under protective atmosphere, is obtained uniformly
The ingot casting of change；
(4) hot rolling：Ingot casting after homogenization in step (3) is subjected to hot rolling, hot-rolled temperature is 950-1000 DEG C, and thickness, which is made, is
The thin plate of 3-5mm, is then drawn into copper alloy wire using wire drawing machine；
(5) aging strengthening model：Aging strengthening model is carried out to the copper alloy wire of step (4), is sent into 450-500 DEG C of heat-treatment furnace
In, then processing time 30-60min carries out natural aging treatment 15-20h in insulating box, obtains high strength copper alloy line
Material.
5. the preparation method of high strength copper alloy wire rod according to claim 4, it is characterised in that：In step (3) uniformly
Annealing treatment temperature is 920-950 DEG C, and homogenizing annealing processing time is 3-5h.
6. according to the preparation method of claim 5 high strength copper alloy wire rod of the present invention, it is characterised in that：Step (4)
In every time roll reduction be 2.5-4mm.
7. the preparation method of the high strength copper alloy wire rod according to claim 4-6 any one, it is characterised in that：Step
(3) protective atmosphere described in is nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810813832.3A CN108559871A (en) | 2018-07-23 | 2018-07-23 | A kind of high strength copper alloy wire rod and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810813832.3A CN108559871A (en) | 2018-07-23 | 2018-07-23 | A kind of high strength copper alloy wire rod and preparation method thereof |
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| CN108559871A true CN108559871A (en) | 2018-09-21 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1804073A (en) * | 2005-12-13 | 2006-07-19 | 江苏科技大学 | High-strength electro-conductive copper alloy wire and production method thereof |
| CN101180412A (en) * | 2005-07-07 | 2008-05-14 | 株式会社神户制钢所 | Copper alloy with high strength and excellent processability in bending and process for producing copper alloy sheet |
| JP2012167319A (en) * | 2011-02-14 | 2012-09-06 | Jx Nippon Mining & Metals Corp | Cu-Co-Si-BASED ALLOY, ROLLED COPPER ARTICLE, ELECTRONIC COMPONENT, CONNECTOR, AND METHOD FOR PRODUCING Cu-Co-Si-BASED ALLOY |
| CN105452501A (en) * | 2013-08-09 | 2016-03-30 | 三菱综合材料株式会社 | Copper alloy, copper alloy thin sheet and copper alloy manufacturing method |
| CN106435249A (en) * | 2016-12-07 | 2017-02-22 | 常州恒丰特导股份有限公司 | Multi-element micro-alloyed high-strength high-conductivity copper alloy and preparation technique thereof |
-
2018
- 2018-07-23 CN CN201810813832.3A patent/CN108559871A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101180412A (en) * | 2005-07-07 | 2008-05-14 | 株式会社神户制钢所 | Copper alloy with high strength and excellent processability in bending and process for producing copper alloy sheet |
| CN1804073A (en) * | 2005-12-13 | 2006-07-19 | 江苏科技大学 | High-strength electro-conductive copper alloy wire and production method thereof |
| JP2012167319A (en) * | 2011-02-14 | 2012-09-06 | Jx Nippon Mining & Metals Corp | Cu-Co-Si-BASED ALLOY, ROLLED COPPER ARTICLE, ELECTRONIC COMPONENT, CONNECTOR, AND METHOD FOR PRODUCING Cu-Co-Si-BASED ALLOY |
| CN105452501A (en) * | 2013-08-09 | 2016-03-30 | 三菱综合材料株式会社 | Copper alloy, copper alloy thin sheet and copper alloy manufacturing method |
| CN106435249A (en) * | 2016-12-07 | 2017-02-22 | 常州恒丰特导股份有限公司 | Multi-element micro-alloyed high-strength high-conductivity copper alloy and preparation technique thereof |
Non-Patent Citations (1)
| Title |
|---|
| 张真等: ""时效状态对Cu-Cr-Zr系合金性能的影响"", 《有色金属材料与工程》 * |
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Application publication date: 20180921 |