CN108149044A - A kind of preparation method of Zirconium oxide dispersion strengthening copper alloy - Google Patents
A kind of preparation method of Zirconium oxide dispersion strengthening copper alloy Download PDFInfo
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- CN108149044A CN108149044A CN201711444288.1A CN201711444288A CN108149044A CN 108149044 A CN108149044 A CN 108149044A CN 201711444288 A CN201711444288 A CN 201711444288A CN 108149044 A CN108149044 A CN 108149044A
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- zirconium oxide
- copper alloy
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- preparation
- oxide dispersion
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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
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/14—Both compacting and sintering simultaneously
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
- B22F2009/043—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by ball milling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
Abstract
The present invention relates to a kind of preparation methods of Zirconium oxide dispersion strengthening copper alloy, copper powder and Zirconium oxide powder are uniformly mixed and are fitted into the vacuum tank full of nitrogen, is put into ball mill, ball mill is sealed, 30 48h of ball milling in the ball mill prepares oversaturated Cu ZrO2Nanometer powder；Boron powder is added in into supersaturation Cu ZrO2In nanometer powder, it is uniformly mixed, is put into vacuum hotpressing stove, vacuumizes and lead to recirculated water, set heating temperature, after the heating temperature for reaching setting, start pressure sintering, slow cooling after 3 4h of pressure sintering, period keeps vacuum and logical recirculated water, after natural cooling is cooled to room temperature, products therefrom is taken out to get to Zirconium oxide dispersion strengthening copper alloy.The method of the present invention is simple to operation, and obtained Zirconium oxide dispersion strengthening copper alloy has the hardness and strength of superelevation, and with excellent conducting wire performance, stability is good, at low cost.
Description
Technical field
The present invention relates to technical field of powder metallurgy material preparation, especially a kind of system of Zirconium oxide dispersion strengthening copper alloy
Preparation Method
Background technology
Dispersion strengthening copper alloy is the copper-based material for having excellent combination physical and mechanical property, have higher specific strength,
Specific modulus, good thermal conductivity, electric conductivity, wearability, high-temperature behavior, relatively low coefficient of thermal expansion, higher dimensional stability
Etc. comprehensive performances.Still possess most of yield strength after yield strength and the tensile strength height of dispersion-strengthened Cu or even annealing, move back
Fire can improve the ductility of copper alloy, but since the yield strength retention of dispersion-strengthened Cu is high, be closed in high conductance copper
Jin Zhong, the dispersion-strengthened Cu yield strength highest of processing hardening.The intensity of dispersion-strengthened Cu can compare favourably with a variety of steel, and pass
The property led is but similar to copper.
At present, the preparation method of high-strength highly-conductive Zirconium oxide dispersion strengthening copper alloy mainly has：Powder metallurgic method, internal oxidition
Method, mechanical alloying method, rapid solidification method and large plastometric set etc..
Also there is many problems, such as material property to expire for existing copper alloy with high strength and high conductivity and preparation method thereof
The requirement of the growing high and new technology of foot, preparation process is complicated, and production process is difficult to control, and production cost is high, properties of product
Unstable etc., these problems seriously constrain the future development and application of copper alloy with high strength and high conductivity.
Invention content
The purpose of the present invention is to provide a kind of preparation method of Zirconium oxide dispersion strengthening copper alloy, this method operation letters
It is single, it is easy to implement, deficiency existing for existing preparation method is improved, obtains the more excellent more stable zirconia dispersion of performance
Strengthened copper alloy.
The object of the invention to solve the technical problems is realized using following technical scheme.It proposes according to the present invention
A kind of Zirconium oxide dispersion strengthening copper alloy preparation method, include the following steps：
(1) copper powder and Zirconium oxide powder are uniformly mixed and are fitted into the vacuum tank full of nitrogen, is then placed in ball mill,
Ball mill is sealed, in the ball mill ball milling 30-48h, prepares oversaturated Cu-ZrO2Nanometer powder；
(2) boron powder is added in into the oversaturated Cu-ZrO2It in nanometer powder, is uniformly mixed, is put into vacuum hotpressing stove, take out true
Empty and logical recirculated water, sets heating temperature；
(3) after the heating temperature for reaching setting, start the pressure sintering under 30-40MPa, slowly dropped after pressure sintering 3-4h
During which temperature keeps vacuum and logical recirculated water, after natural cooling is cooled to room temperature, by products therefrom take out to get to zirconium oxide more
Dissipate strengthened copper alloy.
The object of the invention to solve the technical problems also can be used following technical measures and further realize.
A kind of preparation method of the preparation method of aforementioned Zirconium oxide dispersion strengthening copper alloy, wherein, ball material in step (1)
Than for (8-15)：1, the rotating speed of ball mill is 180-260rpm.
A kind of preparation method of the preparation method of aforementioned Zirconium oxide dispersion strengthening copper alloy, wherein, ball material in step (1)
Than being 10:1, the rotating speed of ball mill is 200rpm, Ball-milling Time 40-48h.
A kind of preparation method of the preparation method of aforementioned Zirconium oxide dispersion strengthening copper alloy, wherein, step (1) copper powder and
The mass ratio of Zirconium oxide powder is (60-70)：10, the grain size of copper powder and aluminium powder is respectively less than 300 mesh.
A kind of preparation method of the preparation method of aforementioned Zirconium oxide dispersion strengthening copper alloy, wherein, step (2) heating temperature
Degree is set as 900-1000 DEG C.
A kind of preparation method of the preparation method of aforementioned Zirconium oxide dispersion strengthening copper alloy, wherein, step (2) heating temperature
Degree is set as 900 DEG C.
A kind of preparation method of the preparation method of aforementioned Zirconium oxide dispersion strengthening copper alloy, wherein, step (3) pressurization is burnt
The pressure of knot is 35MPa, and the pressure sintering time is 3h.
The present invention has clear advantage and advantageous effect compared with prior art, by above-mentioned technical proposal, the present invention
A kind of preparation method of Zirconium oxide dispersion strengthening copper alloy can reach comparable technological progress and practicability, and in industry
Extensive utility value, at least have following advantages：
The method of the present invention is easy to operate, and easy to implement, used materials safety is environment friendly and pollution-free, and at low cost, into
One step reduces production cost, and obtained Zirconium oxide dispersion strengthening copper alloy has the hardness and strength of superelevation and excellent
Electric conductivity, stability is strong, has a wide range of application, and meets requirement, highly practical.
In conclusion a kind of preparation method of Zirconium oxide dispersion strengthening copper alloy of the present invention technically have significantly into
Step, and be really a new and innovative, progressive, practical new design with apparent good effect.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow the above and other objects, features and advantages of the present invention can
It is clearer and more comprehensible, special below to lift preferred embodiment, detailed description are as follows.
Description of the drawings
Nothing
Specific embodiment
The technological means and effect taken further to illustrate the present invention to reach predetermined goal of the invention, below in conjunction with
Preferred embodiment, to the preparation method of a kind of Zirconium oxide dispersion strengthening copper alloy proposed according to the present invention, specific embodiment party
Formula, structure, feature and its effect are described in detail as after.
The copper alloy of the present invention is prepared in accordance with the following methods：
Copper powder and Zirconium oxide powder are uniformly mixed and are fitted into the vacuum tank full of nitrogen, is then placed in ball mill, it will
Ball mill is sealed, and wherein ratio of grinding media to material is (8-15)：1, the rotating speed of ball mill is 180-260rpm, in the ball mill ball milling 30-
48h prepares oversaturated Cu-ZrO2Nanometer powder；Boron powder is added in into the oversaturated Cu-ZrO2In nanometer powder, mixing is equal
It is even, vacuum hotpressing stove is put into, vacuumizes and leads to recirculated water, heating temperature is set as 900-1000 DEG C, reach the heating of setting
After temperature, start the pressure sintering under 30-40MPa, during which slow cooling after pressure sintering 3-4h keeps vacuum and logical cycle
After natural cooling is cooled to room temperature, products therefrom is taken out to get to Zirconium oxide dispersion strengthening copper alloy for water.
Preferably, the mass ratio of copper powder and aluminium powder is (60-70)：10, the grain size of wherein copper powder and aluminium powder is respectively less than 300
Mesh.
Preferably, during ball milling, ratio of grinding media to material 10:1, the rotating speed of ball mill is 200rpm, Ball-milling Time 40-48h.
Preferably, heating temperature is set as 900 DEG C, the pressure of pressure sintering is 35MPa, and the pressure sintering time is 3h.
The above described is only a preferred embodiment of the present invention, not make limitation in any form to the present invention, though
So the present invention is disclosed above with preferred embodiment, however is not limited to the present invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, technical spirit according to the present invention
To any simple modification, equivalent change and modification that above example is made, in the range of still falling within technical solution of the present invention.
Claims (7)
1. a kind of preparation method of Zirconium oxide dispersion strengthening copper alloy, it is characterised in that it includes the following steps：
(1) copper powder and Zirconium oxide powder are uniformly mixed and are fitted into the vacuum tank full of nitrogen, is then placed in ball mill, by ball
Grinding machine is sealed, in the ball mill ball milling 30-48h, prepares oversaturated Cu-ZrO2Nanometer powder；
(2) boron powder is added in into the oversaturated Cu-ZrO2In nanometer powder, it is uniformly mixed, is put into vacuum hotpressing stove, vacuumizes simultaneously
Logical recirculated water, sets heating temperature；
(3) after the heating temperature for reaching setting, start the pressure sintering under 30-40MPa, slow cooling after pressure sintering 3-4h,
Period keeps vacuum and logical recirculated water, and after natural cooling is cooled to room temperature, products therefrom is taken out to get strong to zirconia dispersion
Change copper alloy.
2. the preparation method of Zirconium oxide dispersion strengthening copper alloy as described in claim 1, it is characterised in that ball material in step (1)
Than for (8-15)：1, the rotating speed of ball mill is 180-260rpm.
3. the preparation method of Zirconium oxide dispersion strengthening copper alloy as described in claim 1, it is characterised in that ball material in step (1)
Than being 10:1, the rotating speed of ball mill is 200rpm, Ball-milling Time 40-48h.
4. the preparation method of Zirconium oxide dispersion strengthening copper alloy as described in claim 1, it is characterised in that step (1) copper powder and
The mass ratio of Zirconium oxide powder is (60-70)：10, the grain size of copper powder and aluminium powder is respectively less than 300 mesh.
5. the preparation method of Zirconium oxide dispersion strengthening copper alloy as described in claim 1, it is characterised in that step (2) heating temperature
Degree is set as 900-1000 DEG C.
6. the preparation method of Zirconium oxide dispersion strengthening copper alloy as described in claim 1, it is characterised in that step (2) heating temperature
Degree is set as 900 DEG C.
7. the preparation method of Zirconium oxide dispersion strengthening copper alloy as described in claim 1, it is characterised in that step (3) pressurization is burnt
The pressure of knot is 35MPa, and the pressure sintering time is 3h.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711444288.1A CN108149044A (en) | 2017-12-27 | 2017-12-27 | A kind of preparation method of Zirconium oxide dispersion strengthening copper alloy |
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| CN201711444288.1A CN108149044A (en) | 2017-12-27 | 2017-12-27 | A kind of preparation method of Zirconium oxide dispersion strengthening copper alloy |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110129609A (en) * | 2019-06-11 | 2019-08-16 | 大连理工大学 | A kind of preparation method of zirconium dioxide dispersion strengthening copper alloy |
| CN111996408A (en) * | 2020-08-27 | 2020-11-27 | 河南科技大学 | Preparation method of oxide ceramic particle reinforced Cu-based composite material |
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| CN1436868A (en) * | 2003-01-01 | 2003-08-20 | 江西省科学院应用物理研究所 | High-strength and high-conductivity copper-base material and its prepn process |
| CN1844426A (en) * | 2006-04-30 | 2006-10-11 | 湘潭市电磁线厂 | Method for producing dispersion strengthening copper alloy materials |
| CN101250639A (en) * | 2008-03-27 | 2008-08-27 | 哈尔滨工业大学深圳研究生院 | Novel nanometer phase dispersion strengthening cuprum as well as preparation method and product producing technique thereof |
| CN101956094A (en) * | 2010-10-15 | 2011-01-26 | 哈尔滨工业大学深圳研究生院 | High-strength and high-conductivity dispersion-strengthened alloy and preparation method thereof |
| CN103866149A (en) * | 2012-12-17 | 2014-06-18 | 湘潭电气设备制造有限责任公司 | Molding production method for powder copper alloy material |
| CN104388736A (en) * | 2014-10-27 | 2015-03-04 | 李博 | Zirconium oxide dispersion strengthened silver-base alloy and preparation method thereof |
| CN106048275A (en) * | 2016-07-21 | 2016-10-26 | 中南大学深圳研究院 | Preparation method of ceramic phase dispersion strengthening copper alloy |
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2017
- 2017-12-27 CN CN201711444288.1A patent/CN108149044A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1436868A (en) * | 2003-01-01 | 2003-08-20 | 江西省科学院应用物理研究所 | High-strength and high-conductivity copper-base material and its prepn process |
| CN1844426A (en) * | 2006-04-30 | 2006-10-11 | 湘潭市电磁线厂 | Method for producing dispersion strengthening copper alloy materials |
| CN101250639A (en) * | 2008-03-27 | 2008-08-27 | 哈尔滨工业大学深圳研究生院 | Novel nanometer phase dispersion strengthening cuprum as well as preparation method and product producing technique thereof |
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| CN103866149A (en) * | 2012-12-17 | 2014-06-18 | 湘潭电气设备制造有限责任公司 | Molding production method for powder copper alloy material |
| CN104388736A (en) * | 2014-10-27 | 2015-03-04 | 李博 | Zirconium oxide dispersion strengthened silver-base alloy and preparation method thereof |
| CN106048275A (en) * | 2016-07-21 | 2016-10-26 | 中南大学深圳研究院 | Preparation method of ceramic phase dispersion strengthening copper alloy |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110129609A (en) * | 2019-06-11 | 2019-08-16 | 大连理工大学 | A kind of preparation method of zirconium dioxide dispersion strengthening copper alloy |
| CN110129609B (en) * | 2019-06-11 | 2020-10-13 | 大连理工大学 | Preparation method of zirconium dioxide dispersion strengthened copper alloy |
| CN111996408A (en) * | 2020-08-27 | 2020-11-27 | 河南科技大学 | Preparation method of oxide ceramic particle reinforced Cu-based composite material |
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Application publication date: 20180612 |