CN113088747A - Carbon aerogel reinforced copper-based composite material and preparation method thereof - Google Patents
Carbon aerogel reinforced copper-based composite material and preparation method thereof Download PDFInfo
- Publication number
- CN113088747A CN113088747A CN202110331559.2A CN202110331559A CN113088747A CN 113088747 A CN113088747 A CN 113088747A CN 202110331559 A CN202110331559 A CN 202110331559A CN 113088747 A CN113088747 A CN 113088747A
- Authority
- CN
- China
- Prior art keywords
- carbon aerogel
- copper
- composite material
- based composite
- nano
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C22C1/1005—Pretreatment of the non-metallic additives
- C22C1/1015—Pretreatment of the non-metallic additives by preparing or treating a non-metallic additive preform
-
- 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
-
- 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
Abstract
The invention discloses a carbon aerogel reinforced copper-based composite material. The technical scheme of the invention is as follows: calculated by mass percent, the components and the contents thereof are as follows: 2-8% of carbon aerogel, and the balance of copper. The method comprises the following steps: a. mixing copper powder and nano carbon aerogel particles in a mixer for 2-4 hours; b. pressing the mixed powder obtained in the step a into a compact in a cold isostatic press; c. and c, smelting the pressed compact and the red copper obtained in the step b in a vacuum smelting furnace, casting and cooling to obtain a finished product. According to the scheme provided by the invention, the micron-sized carbon aerogel particles with the nano-sized holes are added, so that the mechanical property, the wear resistance and the heat resistance of the copper-based alloy are improved. The preparation cost of the high-strength high-conductivity alloy is greatly reduced by preparing the prefabricated body and then preparing the bulk blank by using the traditional casting method.
Description
Technical Field
The invention relates to the technical field of metal composite materials and preparation thereof, in particular to a carbon aerogel reinforced copper-based composite material and a preparation method thereof.
Background
Copper alloy is increasingly widely used due to its excellent electric and thermal conductivity and low price, and among them, the research and application of high-strength and high-conductivity copper alloy materials are the most extensive. At present, the development of high-strength and high-conductivity copper alloy materials at home and abroad mainly comprises a medium-strength and high-conductivity Cu-Fe-P system, a high-strength and medium-conductivity Cu-Ni-Si system, a high-strength and high-conductivity Cu-Cr-Zr system, a dispersion copper alloy system and the like, the variety of the pushed alloy is more than 110 in Japan, but the Cu-Cr-Zr and Cu-Cr-Ag alloys have higher tensile strength (such as more than 500MPa) but lower conductivity (generally lower than 80 percent IACS) and the dispersion copper has high conductivity (greater than or equal to 80 percent IACS), but the blank weight is greatly limited (generally smaller than 200kg) due to the influence of a powder metallurgy forming process, and the blank cannot meet the requirement of large specification. The carbon aerogel reinforced copper-based composite material has the advantages of the alloy, the electric conductivity can reach 96% IACS, meanwhile, the weight limit can be broken through in a smelting and casting forming mode, the requirement can be well met, and the invention aims to provide the carbon aerogel reinforced copper-based composite material and the preparation method thereof.
Disclosure of Invention
Aiming at the defects in the prior art, the invention mainly aims to provide a carbon aerogel reinforced copper-based composite material with excellent mechanical property, wear resistance, heat resistance and high conductivity and a low-cost preparation method thereof.
In order to achieve the purpose, the invention provides the following technical scheme: the carbon aerogel reinforced copper-based composite material comprises the following components in percentage by mass: 2-8% of carbon aerogel, and the balance of copper.
Preferably, the carbon aerogel content is 4% by mass.
Preferably, the carbon aerogel is micron-sized carbon aerogel with nanometer-sized holes.
A preparation method of a carbon aerogel reinforced copper-based composite material comprises electrolytic copper powder, red copper and nano carbon aerogel powder, the equipment comprises a mixer, a cold isostatic press and a vacuum smelting furnace, and the preparation steps comprise:
a. mixing copper powder and nano carbon aerogel particles in a mixer for 2-4 hours;
b. pressing the mixed powder obtained in the step a into a compact in a cold isostatic press;
c. and c, smelting the pressed compact and the red copper obtained in the step b in a vacuum smelting furnace, casting and cooling to obtain a finished product.
Preferably, in the step a, the copper powder and the nano carbon aerogel particles are mixed in a mixer for 2.5 hours.
Preferably, the finished product in step c is finally subjected to heat treatment.
Compared with the prior art, the copper-based alloy has the advantages that the mechanical property, the wear resistance and the heat resistance of the copper-based alloy are improved by adding the micron-sized carbon aerogel particles with the nano-sized holes. According to the invention, the preparation cost of the high-strength high-conductivity alloy is greatly reduced by preparing the prefabricated body and then preparing the bulk blank by using the traditional casting method.
Breaks through the limitations of the traditional smelting and casting molding mode in the aspects of weight and size, and can better meet the market demand. The carbon aerogel reinforced copper-based composite material plays an important role in the fields of aviation, aerospace, weapons, traffic, electronics and the like, and the main application fields comprise electronic information industry super-large-scale integrated circuit lead frames, electronic countermeasure for national defense military industry, radars, high-power military microwave tubes, high-pulse magnetic field conductors, nuclear equipment, carrier rockets, overhead conductors for high-speed rail traffic, liquid oxygen kerosene rocket engine floating rings, sealing elements and the like.
Detailed Description
The present invention is further described below.
The carbon aerogel reinforced copper-based composite material comprises the following components in percentage by mass: 2-8% of carbon aerogel, and the balance of copper.
Preferably, the carbon aerogel content is 4% by mass.
Preferably, the carbon aerogel is micron-sized carbon aerogel with nanometer-sized holes.
A preparation method of a carbon aerogel reinforced copper-based composite material comprises electrolytic copper powder, red copper and nano carbon aerogel powder, the equipment comprises a mixer, a cold isostatic press and a vacuum smelting furnace, and the preparation steps comprise:
a. mixing copper powder and nano carbon aerogel particles in a mixer for 2-4 hours;
b. pressing the mixed powder obtained in the step a into a compact in a cold isostatic press;
c. and c, smelting the pressed compact and the red copper obtained in the step b in a vacuum smelting furnace, casting and cooling to obtain a finished product.
Preferably, in the step a, the copper powder and the nano carbon aerogel particles are mixed in a mixer for 2.5 hours.
Preferably, the finished product in step c is finally subjected to heat treatment.
The carbon aerogel enhanced copper-based composite material provided by the invention comprises the following components in percentage by mass: carbon aerogel (C): 2 to 8 percent of copper and the balance of copper, wherein the mass percent of other impurities is less than or equal to 0.1 percent. In principle, the carbon aerogel has the function of improving the wear resistance and hardness of the copper-based composite material. The second phase of the carbon aerogel which is dispersed and distributed has positive effect on the conductivity of the copper alloy material because the obstruction to electron scattering is reduced; meanwhile, the dislocation movement and the grain boundary slippage can be hindered, and the effect of obviously improving the matrix strength is achieved.
The first embodiment is as follows: the component ratio is shown in table 1, and the production process flow method is as follows: proportioning, mixing, cold press molding, casting and obtaining a finished product. The specific process is as follows: preparing materials: 2% of carbon aerogel and the balance of copper. And putting the mixed powder of the copper powder and the carbon nano-aerogel particles into a mixer for mixing for 2.5h, then pressing the powder into a billet in a cold isostatic press, and then smelting the billet and red copper with a certain mass in a vacuum smelting furnace, casting and cooling to obtain a finished product. The properties are shown in Table 2.
Example two: the component ratio is shown in table 1, and the production process flow method is as follows: proportioning, mixing, cold press molding, casting and obtaining a finished product. The specific process is as follows: preparing materials: 4% of carbon aerogel and the balance of copper. And putting the mixed powder of the copper powder and the carbon nano-aerogel particles into a mixer for mixing for 2.5h, then pressing the powder into a billet in a cold isostatic press, and then smelting the billet and red copper with a certain mass in a vacuum smelting furnace, casting and cooling to obtain a finished product. The properties are shown in Table 2.
Example three: the component ratio is shown in table 1, and the production process flow method is as follows: proportioning, mixing, cold press molding, casting and obtaining a finished product. The specific process is as follows: preparing materials: 6% of carbon aerogel and the balance of copper. And putting the mixed powder of the copper powder and the carbon nano-aerogel particles into a mixer for mixing for 2.5h, then pressing the powder into a billet in a cold isostatic press, and then smelting the billet and red copper with a certain mass in a vacuum smelting furnace, casting and cooling to obtain a finished product. The properties are shown in Table 2.
Example four: the component ratio is shown in table 1, and the production process flow method is as follows: proportioning, mixing, cold press molding, casting and obtaining a finished product. The specific process is as follows: preparing materials: 8% of carbon aerogel and the balance of copper. And putting the mixed powder of the copper powder and the carbon nano-aerogel particles into a mixer for mixing for 2.5h, then pressing the powder into a billet in a cold isostatic press, and then smelting the billet and red copper with a certain mass in a vacuum smelting furnace, casting and cooling to obtain a finished product.
Table one: the composition (wt.%) of the carbon aerogel reinforced copper-based composite in the examples is shown.
| Examples | Carbon aerogels | Preform Cu | Balance of finished product Cu |
| Example 1 | 2 | 30 | 58 |
| Example 2 | 4 | 30 | 56 |
| Example 3 | 6 | 30 | 54 |
| Example 4 | 8 | 30 | 52 |
Table two: is the performance parameter of the copper-based composite material in the example.
The carbon aerogel enhanced copper alloy has the tensile strength of 320-550 MPa, the yield strength of 253-310 MPa, the elongation of 8-14 percent and the density of 4.3-8.1 g-cm3The resistivity is 1.6 to 2.3X 10-8 omega. m, and the hardness is 45 to 80 Hv. As can be seen from Table II, the carbon aerogel has the best performance when the content of the carbon aerogel is 4% by mass.
In conclusion, compared with the prior art, the invention has the following beneficial effects: according to the invention, the micron-sized carbon aerogel particles with the nanoscale holes are added, so that the mechanical property, the wear resistance and the heat resistance of the copper-based alloy are improved. According to the invention, the preparation cost of the high-strength high-conductivity alloy is greatly reduced by preparing the prefabricated body and then preparing the bulk blank by using the traditional casting method.
Breaks through the limitations of the traditional smelting and casting molding mode in the aspects of weight and size, and can better meet the market demand. The carbon aerogel reinforced copper-based composite material plays an important role in the fields of aviation, aerospace, weapons, traffic, electronics and the like, and the main application fields comprise electronic information industry super-large-scale integrated circuit lead frames, electronic countermeasure for national defense military industry, radars, high-power military microwave tubes, high-pulse magnetic field conductors, nuclear equipment, carrier rockets, overhead conductors for high-speed rail traffic, liquid oxygen kerosene rocket engine floating rings, sealing elements and the like.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (6)
1. A carbon aerogel reinforced copper-based composite material is characterized in that: calculated by mass percent, the components and the contents thereof are as follows: 2-8% of carbon aerogel, and the balance of copper.
2. The carbon aerogel-reinforced copper-based composite material of claim 1, wherein: the content of the carbon aerogel is 4% by mass.
3. A carbon aerogel-reinforced copper-based composite material, according to very claim 1, characterized in that: the carbon aerogel is micron-sized carbon aerogel with nano-scale holes.
4. A process for the preparation of the carbon aerogel reinforced copper-based composite material as claimed in any of claims 1 to 3, characterized in that: the method comprises electrolytic copper powder, red copper and nano carbon aerogel powder, the equipment comprises a mixer, a cold isostatic press and a vacuum smelting furnace, and the preparation steps comprise:
a. mixing copper powder and nano carbon aerogel particles in a mixer for 2-4 hours;
b. pressing the mixed powder obtained in the step a into a compact in a cold isostatic press;
c. and c, smelting the pressed compact and the red copper obtained in the step b in a vacuum smelting furnace, casting and cooling to obtain a finished product.
5. The method of claim 4, wherein the carbon aerogel reinforced copper-based composite material comprises: and b, mixing the copper powder and the nano carbon aerogel particles in the step a in a mixer for 2.5 hours.
6. The method of claim 4, wherein the carbon aerogel reinforced copper-based composite material comprises: and c, finally performing heat treatment on the finished product in the step c.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110331559.2A CN113088747A (en) | 2021-03-29 | 2021-03-29 | Carbon aerogel reinforced copper-based composite material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110331559.2A CN113088747A (en) | 2021-03-29 | 2021-03-29 | Carbon aerogel reinforced copper-based composite material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113088747A true CN113088747A (en) | 2021-07-09 |
Family
ID=76670196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110331559.2A Pending CN113088747A (en) | 2021-03-29 | 2021-03-29 | Carbon aerogel reinforced copper-based composite material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113088747A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160101398A1 (en) * | 2014-09-12 | 2016-04-14 | Lawrence Livermore National Security, Llc | Nanoporous metal-carbon composite |
| CN106544539A (en) * | 2015-09-16 | 2017-03-29 | 弘大科技（北京）股份公司 | A kind of aeroge-metallic composite and its preparation method and application |
| CN107099692A (en) * | 2016-02-20 | 2017-08-29 | 金承黎 | A kind of fibre-reinforced aerogel-metallic composite and preparation method thereof |
| CN107385269A (en) * | 2017-06-21 | 2017-11-24 | 昆明理工大学 | A kind of method that carbon nanotube reinforced copper-base composite material is prepared using microwave |
| CN109126644A (en) * | 2017-06-15 | 2019-01-04 | 湖南尚成新材料科技有限责任公司 | A kind of high-damping aerogel composite and preparation method thereof |
| CN111378863A (en) * | 2018-12-27 | 2020-07-07 | 有研工程技术研究院有限公司 | Silicon dioxide aerogel reinforced copper-based composite material and preparation method thereof |
-
2021
- 2021-03-29 CN CN202110331559.2A patent/CN113088747A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160101398A1 (en) * | 2014-09-12 | 2016-04-14 | Lawrence Livermore National Security, Llc | Nanoporous metal-carbon composite |
| CN106544539A (en) * | 2015-09-16 | 2017-03-29 | 弘大科技（北京）股份公司 | A kind of aeroge-metallic composite and its preparation method and application |
| CN107099692A (en) * | 2016-02-20 | 2017-08-29 | 金承黎 | A kind of fibre-reinforced aerogel-metallic composite and preparation method thereof |
| CN109126644A (en) * | 2017-06-15 | 2019-01-04 | 湖南尚成新材料科技有限责任公司 | A kind of high-damping aerogel composite and preparation method thereof |
| CN107385269A (en) * | 2017-06-21 | 2017-11-24 | 昆明理工大学 | A kind of method that carbon nanotube reinforced copper-base composite material is prepared using microwave |
| CN111378863A (en) * | 2018-12-27 | 2020-07-07 | 有研工程技术研究院有限公司 | Silicon dioxide aerogel reinforced copper-based composite material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111440963B (en) | High-heat-resistance high-conductivity CuCrNb-based copper alloy and preparation method thereof | |
| CN108251685B (en) | Tungsten dispersion strengthening copper-based composite material and preparation method thereof | |
| CN104164589B (en) | A kind of high-strength wearable copper alloy and preparation method thereof | |
| CN110042272B (en) | High-conductivity high-strength CuFeNb-series elastic copper alloy and preparation method thereof | |
| CN101942591A (en) | Method for fast preparing molybdenum-copper alloy | |
| CN101942592A (en) | Method for preparing molybdenum copper alloy by activated sintering | |
| CN112680639A (en) | High-conductivity heat-resistant rare earth aluminum alloy wire and preparation method thereof | |
| CN109593987A (en) | A kind of enhanced copper alloy of copper-based aeroge and preparation method thereof | |
| CN103849800A (en) | Cu-containing high-conductivity and high-electromagnetic-shielding-property wrought magnesium alloy and preparation method thereof | |
| CN109722561B (en) | High-performance Cu-Cr alloy and preparation method thereof | |
| CN105154715A (en) | High-performance copper alloy material and preparation method thereof | |
| CN113088747A (en) | Carbon aerogel reinforced copper-based composite material and preparation method thereof | |
| CN112410597A (en) | Preparation method of nano WC dispersion strengthened copper | |
| CN111889685A (en) | Powder metallurgy method for improving dispersibility and dispersion amount of reinforcement | |
| CN106399742A (en) | Cu-NbC nanometer dispersion strengthened copper alloy and preparation method thereof | |
| CN114058914B (en) | Aluminum alloy material and preparation method thereof | |
| CN113388750B (en) | Metal glass particle reinforced nanocrystalline copper alloy composite material and preparation method thereof | |
| CN110315238B (en) | Carbon nanotube reinforced lead-free solder, and preparation method and application thereof | |
| CN109930021B (en) | Copper-based silicon dioxide composite material and preparation method thereof | |
| CN110735071A (en) | high-thermal-conductivity aluminum alloy and preparation method thereof | |
| CN114990376B (en) | Ternary high-strength high-conductivity copper alloy and preparation method thereof | |
| CN105543514B (en) | Preparation method of nano reinforced copper alloy | |
| CN113564400B (en) | Preparation method of nano oxide dispersion strengthened copper alloy for fusion reactor | |
| CN108913980A (en) | A method of preparing 6063 composite material of oxide dispersion intensifying | |
| CN111378863A (en) | Silicon dioxide aerogel reinforced copper-based composite material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210709 |