CN106947881A - Multielement rare earth high conductivity Cu alloy material and preparation method thereof - Google Patents
Multielement rare earth high conductivity Cu alloy material and preparation method thereof Download PDFInfo
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- CN106947881A CN106947881A CN201710314151.8A CN201710314151A CN106947881A CN 106947881 A CN106947881 A CN 106947881A CN 201710314151 A CN201710314151 A CN 201710314151A CN 106947881 A CN106947881 A CN 106947881A
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- gadolinium
- copper
- cerium
- neodymium
- rare earth
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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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)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of multielement rare earth high conductivity Cu alloy material, main component is copper, wherein added with rare-earth element cerium, neodymium and gadolinium.The present invention uses vacuum intermediate-frequency induction melting technique, breaks through production key technology.The material is applied on Aero-Space, naval vessel etc., and because electric conductivity is more excellent, material requested is few, can mitigate this body weight such as airborne vehicle and naval vessel, materials saving, moreover it is possible to again to load other equipment etc. more；For internet, communication apparatus etc., information transmission speed is faster；Applied to batteries of electric automobile, 10-20 kilometers etc. can be run more by once being charged than present battery；For submarine cable, because safety and corrosion resistant are durable, service life is longer, saves the enormous expenditure etc. of cable replacing.The development of the alloy meets the material requirement of exported product by improving whole national quality of life, while improving the economic benefit and reputation of production unit has tremendous influence.
Description
Technical field
The present invention relates to field of alloy material, specially a kind of multielement rare earth high conductivity Cu alloy material and preparation method thereof.
Background technology
High conductivity copper alloy is in military project, Aero-Space, warship, high ferro, subway, electric automobile, communication apparatus etc.
Field extensive use, but the high-conductivity copper alloy 50% that China needs every year relies on import.Surveyed according to China Testing Technology Institute
Copper material conductance is improved 4-5 percentages by examination, high conductivity copper alloy products through resistivity measurement, conductivity stabilization up to 106%
, practical application effect is splendid.The conductive principle of copper alloy is, copper atom nucleus band positive electricity, and electron outside nucleus is in nuclear constraint
Under around atom operating, this structure duplicate the earth around the sun operate.Copper internal electron can depart from atomic nucleus constraint, as freedom
Electronics, after electric current has been led in circuit, free electron is to same direction displacement, and such copper is just electrically conductive.And copper
The international standard of alloy conductive rate is 100%, and lasting for years.In recent years, have expert propose can be more than 102% theory it is conductive
Rate, but specific production technology is not worked out.
Therefore it provides a kind of high conductivity Cu alloy material and its production technology, have been a good problems to study.
The content of the invention
In order to overcome above-mentioned deficiency of the prior art, it is an object of the invention to overcome deficiency of the prior art, this
Invention provides a kind of multielement rare earth high conductivity Cu alloy material and its processing technology.
The object of the present invention is achieved like this：
A kind of multielement rare earth high conductivity Cu alloy material, it is characterised in that：Main component is copper, wherein added with rare earth element
Cerium, neodymium and gadolinium；
Described earth elements cerium, neodymium and each accounting example of gadolinium are respectively：Cerium 10-30ppm neodymiums 10-30ppm, gadolinium 10-35ppm；
The preparation method of multielement rare earth high conductivity Cu alloy material, its concrete technology step is as follows：
1）, the Cu-CATH-1 of setting weight inserted in vacuum drying oven, high temperature melting, time enough is melted, to ensure that copper is complete
Running down, obtains copper melt, while maintaining copper liquid temperature at 1400 DEG C~1500 DEG C, and keeps vacuum state；
2）, by step 1）The weight of middle copper converses the weight of corresponding cerium, neodymium, gadolinium, the rare-earth element cerium specially added
(Ce), neodymium (Nd), gadolinium (Gd), each accounting example is cerium 30ppm, neodymium 10ppm, gadolinium 10ppm, and they are put into vacuum drying oven simultaneously
Copper liquid in, melt time enough, to ensure that cerium, neodymium, gadolinium are completely melt, at the same maintain copper liquid temperature 1400 DEG C~1500
DEG C, and vacuum state is kept, then cast pole base；
3）, by step 2）After the pole base sawing cast out, be heated in intermediate frequency furnace 860 DEG C~890 DEG C DEG C, Ran Houfang
Enter the pole that 1800 tons of extruder water seals are extruded into φ 20-40mm, extrusion speed 10--40mm/s, water temperature ≯ 60 DEG C；
4）, by the pole for the φ 20-40mm being extruded into, stretched on demand；
5）, 650 DEG C of finished products.
Positive beneficial effect：The present invention uses vacuum intermediate-frequency induction melting technique, breaks through production key technology；Independent research
Specialist additive and vacuum melting technique based on rare earth element, improve copper raw material purity, improve copper ingot microstructure, production
Go out high conductivity copper alloy new material.The material is applied on Aero-Space, naval vessel etc., because electric conductivity is more excellent, required material
Material is few, can mitigate this body weight such as airborne vehicle and naval vessel, materials saving, moreover it is possible to again to load other equipment etc. more；For internet,
Communication apparatus etc., information transmission speed is faster；Applied to batteries of electric automobile, once charged than present battery can run 10 more-
20 kilometers etc.；For submarine cable, because safety and corrosion resistant are durable, service life is longer, saves the huge expense of cable replacing
With etc..
The development of the alloy meets to improving whole national quality of life the material requirement of exported product, carried simultaneously
The economic benefit and reputation of high production unit have tremendous influence.
Embodiment
With reference to specific embodiment, the present invention is described further：
Embodiment 1
The preparation method of multielement rare earth high conductivity Cu alloy material, its concrete technology step is as follows：
1）, the Cu-CATH-1 of setting weight inserted in vacuum drying oven, high temperature melting, time enough is melted, to ensure that copper is complete
Running down, obtains copper melt, while maintaining copper liquid temperature at 1400 DEG C, and keeps vacuum state；
2）, by step 1）The weight of middle copper converses the weight of corresponding cerium, neodymium, gadolinium, the rare-earth element cerium specially added
(Ce), neodymium (Nd), gadolinium (Gd), each accounting example is cerium 30ppm, neodymium 10ppm, gadolinium 10ppm, and they are put into vacuum drying oven simultaneously
Copper liquid in, melt time enough, to ensure that cerium, neodymium, gadolinium are completely melt, while maintaining copper liquid temperature at 1400 DEG C, and protect
Vacuum state is held, pole base is then cast；
3）, by step 2）After the pole base sawing cast out, 860 DEG C are heated in intermediate frequency furnace, 1800 tons are then placed in
Extruder water seal is extruded into φ 20-40mm pole, extrusion speed 10--40mm/s, water temperature ≯ 60 DEG C；
4）, by the pole for the φ 20-40mm being extruded into, stretched on demand；
5）, 650 DEG C of finished products.
Embodiment 2
The preparation method of multielement rare earth high conductivity Cu alloy material, its concrete technology step is as follows：
1）, the Cu-CATH-1 of setting weight inserted in vacuum drying oven, high temperature melting, time enough is melted, to ensure that copper is complete
Running down, obtains copper melt, while maintaining copper liquid temperature at 1400 DEG C, and keeps vacuum state；
2）, by step 1）The weight of middle copper converses the weight of corresponding cerium, neodymium, gadolinium, the rare-earth element cerium specially added
(Ce), neodymium (Nd), gadolinium (Gd), each accounting example is cerium 10ppm, neodymium 30ppm, gadolinium 35ppm, and they are put into vacuum drying oven simultaneously
Copper liquid in, melt time enough, to ensure that cerium, neodymium, gadolinium are completely melt, while maintaining copper liquid temperature at 1400 DEG C, and protect
Vacuum state is held, pole base is then cast；
3）, by step 2）After the pole base sawing cast out, 860 DEG C are heated in intermediate frequency furnace, 1800 tons are then placed in
Extruder water seal is extruded into φ 20-40mm pole, extrusion speed 10--40mm/s, water temperature ≯ 60 DEG C；
4）, by the pole for the φ 20-40mm being extruded into, stretched on demand；
5）, 650 DEG C of finished products.
Embodiment 3
The preparation method of multielement rare earth high conductivity Cu alloy material, its concrete technology step is as follows：
1）, the Cu-CATH-1 of setting weight inserted in vacuum drying oven, high temperature melting, time enough is melted, to ensure that copper is complete
Running down, obtains copper melt, while maintaining copper liquid temperature at 1450 DEG C, and keeps vacuum state；
2）, by step 1）The weight of middle copper converses the weight of corresponding cerium, neodymium, gadolinium, the rare-earth element cerium specially added
(Ce), neodymium (Nd), gadolinium (Gd), each accounting example is cerium 15ppm, neodymium 20ppm, gadolinium 10ppm, and they are put into vacuum drying oven simultaneously
Copper liquid in, melt time enough, to ensure that cerium, neodymium, gadolinium are completely melt, while maintaining copper liquid temperature at 1450 DEG C, and protect
Vacuum state is held, pole base is then cast；
3）, by step 2）After the pole base sawing cast out, 880 DEG C DEG C are heated in intermediate frequency furnace, 1800 are then placed in
Ton extruder water seal is extruded into φ 20-40mm pole, extrusion speed 10--40mm/s, water temperature ≯ 60 DEG C；
4）, by the pole for the φ 20-40mm being extruded into, stretched on demand；
5）, 650 DEG C of finished products.
The present invention uses vacuum intermediate-frequency induction melting technique, breaks through production key technology；Independent research rare earth element is
Main specialist additive and vacuum melting technique, improves copper raw material purity, improves copper ingot microstructure, produces high conductivity copper
Alloy Materials.The material is applied on Aero-Space, naval vessel etc., and because electric conductivity is more excellent, material requested is few, can mitigate boat
This body weight such as pocket and naval vessel, materials saving, moreover it is possible to again to load other equipment etc. more；For internet, communication apparatus etc., letter
Cease transmission speed faster；Applied to batteries of electric automobile, 10-20 kilometers etc. can be run more by once being charged than present battery；For
Submarine cable, because safety and corrosion resistant are durable, service life is longer, saves the enormous expenditure etc. of cable replacing.
The development of the alloy meets to improving whole national quality of life the material requirement of exported product, carried simultaneously
The economic benefit and reputation of high production unit have tremendous influence.
Above case study on implementation is merely to illustrate the preferred embodiment of the present invention, but the present invention is not limited to above-mentioned embodiment party
Formula, in the knowledge that the field those of ordinary skill possesses, that is made within the spirit and principles in the present invention is any
Modification, equivalent substitute and improvement etc., are regarded as the protection domain of the application.
Claims (3)
1. a kind of multielement rare earth high conductivity Cu alloy material, it is characterised in that：Main component is copper, wherein added with rare earth member
Plain cerium, neodymium and gadolinium.
2. a kind of multielement rare earth high conductivity Cu alloy material according to claim 1, it is characterised in that：Described Soil unit
Plain cerium, neodymium and each accounting example of gadolinium are respectively：Cerium 10-30ppm neodymiums 10-30ppm, gadolinium 10-35ppm.
3. the preparation method of multielement rare earth high conductivity Cu alloy material as claimed in claim 2, it is characterised in that its is specific
Processing step is as follows：
1）, the Cu-CATH-1 of setting weight inserted in vacuum drying oven, high temperature melting, time enough is melted, to ensure that copper is complete
Running down, obtains copper melt, while maintaining copper liquid temperature at 1400 DEG C~1500 DEG C, and keeps vacuum state；
2）, by step 1）The weight of middle copper converses the weight of corresponding cerium, neodymium, gadolinium, the rare-earth element cerium specially added
(Ce), neodymium (Nd), gadolinium (Gd), each accounting example is cerium 30ppm, neodymium 10ppm, gadolinium 10ppm, and they are put into vacuum drying oven simultaneously
Copper liquid in, melt time enough, to ensure that cerium, neodymium, gadolinium are completely melt, at the same maintain copper liquid temperature 1400 DEG C~1500
DEG C, and vacuum state is kept, then cast pole base；
3）, by step 2）After the pole base sawing cast out, be heated in intermediate frequency furnace 860 DEG C~890 DEG C DEG C, Ran Houfang
Enter the pole that 1800 tons of extruder water seals are extruded into φ 20-40mm, extrusion speed 10--40mm/s, water temperature ≯ 60 DEG C；
4）, by the pole for the φ 20-40mm being extruded into, stretched on demand；
5）, 650 DEG C of finished products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710314151.8A CN106947881A (en) | 2017-05-05 | 2017-05-05 | Multielement rare earth high conductivity Cu alloy material and preparation method thereof |
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| CN201710314151.8A CN106947881A (en) | 2017-05-05 | 2017-05-05 | Multielement rare earth high conductivity Cu alloy material and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455210A (en) * | 2020-04-17 | 2020-07-28 | 金川集团股份有限公司 | Ultra-high conductivity microalloyed copper material and processing method thereof |
| CN111850340A (en) * | 2020-09-04 | 2020-10-30 | 三门峡宏鑫有色金属有限公司 | High-conductivity and high-hardness chromium-zirconium-copper alloy, preparation method and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101338389A (en) * | 2008-06-19 | 2009-01-07 | 河南科技大学 | Preparation process of rare-earth copper alloy material for preparing integral dispersion copper |
| CN103415635A (en) * | 2011-03-31 | 2013-11-27 | 新日铁住金化学株式会社 | Copper foil, copper-clad laminate, flexible circuit board, and manufacturing method for copper-clad laminate |
| CN103608910A (en) * | 2011-07-22 | 2014-02-26 | 三菱综合材料株式会社 | Copper strand for bonding wire and method for producing copper strand for bonding wire |
| CN104164589A (en) * | 2014-08-06 | 2014-11-26 | 中国兵器科学研究院宁波分院 | High-strength wear-resistant copper alloy and preparation method thereof |
| CN106282647A (en) * | 2016-08-29 | 2017-01-04 | 芜湖楚江合金铜材有限公司 | A kind of rareearth high-quality copper wires and preparation method thereof |
-
2017
- 2017-05-05 CN CN201710314151.8A patent/CN106947881A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101338389A (en) * | 2008-06-19 | 2009-01-07 | 河南科技大学 | Preparation process of rare-earth copper alloy material for preparing integral dispersion copper |
| CN103415635A (en) * | 2011-03-31 | 2013-11-27 | 新日铁住金化学株式会社 | Copper foil, copper-clad laminate, flexible circuit board, and manufacturing method for copper-clad laminate |
| CN103608910A (en) * | 2011-07-22 | 2014-02-26 | 三菱综合材料株式会社 | Copper strand for bonding wire and method for producing copper strand for bonding wire |
| CN104164589A (en) * | 2014-08-06 | 2014-11-26 | 中国兵器科学研究院宁波分院 | High-strength wear-resistant copper alloy and preparation method thereof |
| CN106282647A (en) * | 2016-08-29 | 2017-01-04 | 芜湖楚江合金铜材有限公司 | A kind of rareearth high-quality copper wires and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455210A (en) * | 2020-04-17 | 2020-07-28 | 金川集团股份有限公司 | Ultra-high conductivity microalloyed copper material and processing method thereof |
| CN111850340A (en) * | 2020-09-04 | 2020-10-30 | 三门峡宏鑫有色金属有限公司 | High-conductivity and high-hardness chromium-zirconium-copper alloy, preparation method and application thereof |
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Application publication date: 20170714 |