CN216828449U - Growth forging and pressing split type equipment for preparing graphene metal composite material - Google Patents
Growth forging and pressing split type equipment for preparing graphene metal composite material Download PDFInfo
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- CN216828449U CN216828449U CN202220219422.8U CN202220219422U CN216828449U CN 216828449 U CN216828449 U CN 216828449U CN 202220219422 U CN202220219422 U CN 202220219422U CN 216828449 U CN216828449 U CN 216828449U
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Abstract
The utility model relates to a material manufacture equipment field discloses a split type equipment of growth forging and pressing for preparing graphite alkene metal composite, including growth cavity, forging and pressing cavity and the transfer mechanism that is used for shifting metal material, all be equipped with heating system in growth cavity and the forging and pressing cavity, still be equipped with the forging and pressing mechanism that is used for forging and pressing metal material in the forging and pressing cavity. The utility model discloses utilize transfer mechanism to realize the transfer of metal material between growth cavity and forging and pressing cavity for metal material can be shifted to and forge and press in the forging and pressing cavity after the graphite alkene of growing in the growth cavity, can be shifted back to the graphite alkene of growing again in the growth cavity after the forging and pressing in addition, thereby realize that graphite alkene growth step and forging and pressing step's turn goes on repeatedly, and then produce graphite alkene metal composite, promptly the utility model provides a with the production facility of graphite alkene metal composite's forging and pressing production method looks adaptation.
Description
Technical Field
The utility model relates to a material manufacture equipment field, concretely relates to split type equipment of growth forging and pressing for preparing graphite alkene metal composite.
Background
In the prior art, a carbon source can be cracked by adopting a chemical vapor deposition method and then deposited and grown on the surface of a metal foil to form graphene, so that the graphene metal composite material is obtained, has excellent conductivity and has great significance in the application aspect of good conductor materials. In practical application, in order to make the graphene metal composite material have higher conductivity and better mechanical properties, the graphene metal composite material needs to be further processed into a plate material, so that the plate material is convenient for subsequent processing.
In practical application, a metal foil or a very thin metal plate is used as a growth substrate of graphene, so that the upper limit of the yield of the graphene metal composite material produced in a single process is very low, and if the yield of the single process is to be improved, a mode of increasing production equipment can be adopted, but the input cost of the production equipment is very high. In view of this, i are keenly developing a production method capable of increasing the single production yield of the graphene metal composite material: the method comprises the steps of taking a thick metal ingot/plate as a growth substrate of graphene, firstly growing graphene on the metal ingot/plate, then folding and forging the metal ingot/plate, growing graphene on the folded and forged metal ingot/plate, and repeating the steps in a circulating manner, wherein the steps of growing the graphene and folding and forging are alternately repeated to obtain the graphene metal composite material. The production method can obviously improve the yield of the graphene metal composite material produced in a single time, but most production equipment of the graphene metal composite material in the prior art is compression molding equipment, and is not suitable for the production method. Therefore, it is necessary to design a production apparatus for graphene/metal composite material that can be adapted to the above production method.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a growth forging and pressing split type equipment for preparing graphite alkene metal composite to the production facility of solving among the prior art is not suitable for the problem of graphite alkene metal composite's forging and pressing production method.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a split type equipment of growth forging and pressing for preparing graphite alkene metal composite, includes growth cavity, forging and pressing cavity and is used for shifting the transfer mechanism of metal material, all be equipped with heating system in growth cavity and the forging and pressing cavity, still be equipped with the forging and pressing mechanism that is used for forging and pressing metal material in the forging and pressing cavity.
The principle and the advantages of the scheme are as follows: growth forging and pressing split type equipment in this scheme is including growing the cavity, forging and pressing cavity and transfer mechanism, utilizes transfer mechanism to realize the metal material transfer between growth cavity and forging and pressing cavity for metal material can be shifted to in the forging and pressing cavity and forge and press after growing graphite alkene in the growth cavity, can be shifted back to grow graphite alkene in the cavity once more after forging and pressing in addition, thereby realize that graphite alkene growth step and forging and pressing step's turn is gone on repeatedly, and then produce graphite alkene metal composite. Namely, the scheme provides production equipment matched with the forging and pressing production method of the graphene metal composite material, and the problem that the production equipment in the prior art is not suitable for the forging and pressing production method of the graphene metal composite material is solved.
Optionally, the swaging mechanism comprises a swage head and a driver for driving the swage head to move.
In this scheme, driving piece drive forging and pressing tup reciprocating motion on vertical to the realization is to metal material's forging and pressing.
Optionally, the growth chamber is communicated with a gas path system I, and the forging chamber is communicated with a gas path system II; the first gas path system comprises a first gas inlet manifold and a first vacuum pipeline, wherein one end, far away from the growth chamber, of the first gas inlet manifold is communicated with a first carbon source pipe, a first hydrogen pipe and a first protective gas pipe; and the second gas path system comprises a second protective gas pipe.
In the scheme, process gas and protective gas are input into the growth chamber through the gas path system, and the gas in the growth chamber is extracted through a vacuum pipeline I in the gas path system, so that the interior of the growth chamber is in a vacuum state, and the gas in the growth chamber can be replaced quickly. And protective gas is input into the two-way forging cavity through the gas circuit system, so that the metal material is prevented from contacting air in the forging process.
Optionally, valves are installed on the carbon source tube, the hydrogen tube, the first protective gas tube and the second protective gas tube, and a vacuum valve is installed on the first vacuum pipeline.
In the scheme, the staff can control the on-off of the carbon source pipe, the hydrogen pipe, the first protective gas pipe and the second protective gas pipe by controlling the on-off of the valve, and similarly, the staff can control the on-off of the first vacuum pipeline by controlling the on-off of the vacuum valve.
Optionally, flow controllers are mounted on the carbon source tube, the hydrogen tube, the first protective gas tube and the second protective gas tube, and a vacuum pressure gauge is mounted on the first vacuum pipeline.
In this scheme, the staff can regulate and control gaseous carbon source, hydrogen and protective gas's flow through flow controller to master the vacuum in growth cavity and the forging chamber through the vacuum pressure gauge.
Optionally, the second gas circuit system further comprises a second vacuum pipeline, and a vacuum valve and a vacuum pressure gauge are installed on the second vacuum pipeline.
In this scheme, through the second extraction of vacuum line vacuum pipe in the forging chamber, make its inside be in vacuum state to replace the gas in the forging chamber fast, shorten the required time of replacement gas, improve work efficiency.
Optionally, the heating system includes a heating assembly, a temperature sensor, and a controller, and the controller receives a signal transmitted by the temperature sensor and controls the on/off of the heating assembly according to the signal.
In this scheme, utilize temperature sensor monitoring growth cavity and the temperature in the forging and pressing cavity to temperature sensor converts the temperature signal in with the cavity into signal transmission to controller, and the controller is according to opening and close of its received signal control heating element, thereby ensures that the temperature in the cavity maintains at preset temperature.
Optionally, the side walls of the growth chamber and the forging chamber are provided with material inlet and outlet ports, and the material inlet and outlet ports of the growth chamber or the material inlet and outlet ports of the growth chamber and the forging chamber are provided with opening and closing doors for sealing the material inlet and outlet ports.
In this scheme, set up into and go out the material mouth on the lateral wall of growth cavity and forging and pressing cavity, conveniently utilize transfer mechanism to carry out the feeding and get the material. The opening and closing door at the material inlet and outlet can seal the material inlet and outlet, so that the growth chamber and the forging chamber are kept in a sealed state.
Optionally, cooling cavities are formed in the side walls of the growth cavity and the forging cavity, and the cooling cavities are communicated with a water inlet pipe and a water outlet pipe.
In this scheme, through the inlet tube cooling water of inputing in to the cooling cavity, the cooling water absorbs and leaves through the outlet pipe behind the heat in growth cavity and the forging chamber to the realization improves cooling speed to the cooling of growth cavity and forging and pressing cavity, shortens the cooling time.
Optionally, be equipped with the growth platform that is used for placing metal material in the growth cavity, be equipped with the forging and pressing platform that is used for placing metal material in the forging and pressing cavity.
In this scheme, metal material places on growth platform or forging and pressing platform, makes things convenient for snatching of transfer mechanism, shifts and upset, also makes things convenient for the folding forging and pressing of forging and pressing mechanism.
Optionally, the transfer mechanism is a robotic arm.
In the scheme, the mechanical arm is wide in application, mature in product and capable of receiving instructions and accurately positioning to a certain point on a three-dimensional or two-dimensional space for operation, so that when the transfer mechanism is the mechanical arm, the metal material can be accurately transferred and turned over, the placement state of the metal material is changed, and the metal material is folded and forged and pressed by the forging mechanism.
Drawings
Fig. 1 is a schematic structural diagram of a growth forging and pressing split type apparatus for preparing a graphene metal composite in an embodiment of the present invention;
fig. 2 is a schematic structural view of a robot arm according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a growth forging and pressing split type apparatus for preparing a graphene metal composite in the second embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a machine frame 100, a growth chamber 200, an air inlet manifold 201, a first vacuum pipeline 202, a carbon source pipe 203, a hydrogen pipe 204, a first protective gas pipe 205, a valve 206, a flow controller 207, a vacuum valve 208, a vacuum pressure gauge 209, a growth platform 210, a forging chamber 300, a second protective gas pipe 301, a forging hammer 302, a hydraulic cylinder 303, a forging platform 304, a second vacuum pipeline 305, a mechanical arm 400, a heating assembly 501, a material inlet and outlet 601, an opening and closing door 701, a cooling cavity 801, a water inlet pipe 802, a water outlet pipe 803 and a metal ingot 900.
Example one
This embodiment is substantially as shown in fig. 1: a growth forging split type device for preparing a graphene metal composite material comprises a rack 100, a growth chamber 200, a forging chamber 300 and a transfer mechanism for transferring metal materials, wherein the forging chamber 300 is fixedly installed at the bottom end of the rack 100 through screws. In this embodiment, the transferring mechanism is a mechanical arm 400, and the mechanical arm 400 is an existing product, and the utility model discloses do not improve any mechanical arm 400, its structure, mounting means and theory of operation are prior art, and it is no longer described here, and the structure of mechanical arm 400 is as shown in fig. 2.
The growth chamber 200 is communicated with the gas path system I, and the forging chamber 300 is communicated with the gas path system II. The first gas path system comprises a first air inlet manifold 201 and a first vacuum line 202, and the top end of the first air inlet manifold 201 is communicated with a carbon source pipe 203, a hydrogen pipe 204 and a first protective gas pipe 205 through a four-way pipe joint. The second gas path system comprises a second protective gas pipe 301. The carbon source tube 203, the hydrogen tube 204, the first protective gas tube 205 and the second protective gas tube 301 are all provided with a valve 206 and a flow controller 207, and the first vacuum pipeline 202 is provided with a vacuum valve 208 and a vacuum pressure gauge 209.
Heating systems are arranged in the growth chamber 200 and the forging chamber 300, each heating system comprises a heating component 501, a temperature sensor and a controller, and the controller receives signals transmitted by the temperature sensors and controls the heating components 501 to be turned on or off according to the signals. The heating component 501 can be selected from a heating resistance wire or a high-frequency heating induction coil, and in the embodiment, the heating component 501 is selected from a heating resistance wire. Heating element 501 is used for the intensification in the cavity, and temperature sensor is used for monitoring the temperature in the cavity to convert temperature signal into the signal of telecommunication and transmit for the controller, the controller is according to opening and close of received signal of telecommunication control heating element 501. Since it is the prior art to detect signals by using the sensor and transmit the related signals to the controller, and the controller controls the actuator to execute actions according to the received signals, the detailed description is omitted here.
The forging and pressing mechanism for forging and pressing the metal material is further arranged in the forging and pressing chamber 300, and the forging and pressing mechanism comprises a forging and pressing hammer head 302 and a driving piece for driving the forging and pressing hammer head 302 to move, and the driving piece is fixedly installed at the top end of the rack 100 through a screw. In this embodiment, the driving member is a hydraulic cylinder 303.
The side walls of the growth chamber 200 and the forging chamber 300 are both provided with a material inlet and outlet 601, and the material inlet and outlet 601 of the growth chamber 200 is provided with an opening and closing door 701 for sealing the material inlet and outlet 601. The side walls of the growth chamber 200 and the forging chamber 300 are both provided with cooling cavities 801, and the cooling cavities 801 are communicated with a water inlet pipe 802 and a water outlet pipe 803. A growth platform 210 for placing a metal material is welded in the growth chamber 200, and a forging platform 304 for placing a metal material is welded in the forging chamber 300.
The outer walls of the growth chamber 200 and the forging chamber 300 are provided with heat insulation layers (not shown) for isolating heat of the chambers, so that the outside of the chambers is kept in a working state of 25-30 ℃, and workers are prevented from being scalded carelessly.
The specific implementation steps are as follows:
s1, putting the metal material into a growth chamber: the opening/closing door 701 of the growth chamber 200 is opened to expose the material inlet/outlet 601 of the growth chamber 200, the ingot 900 is placed on the growth platform 210, and then the opening/closing door 701 is closed to seal the material inlet/outlet 601 of the growth chamber 200.
S2, adjusting parameters in the growth chamber: the vacuum valve 208 on the first vacuum line 202 is opened, air in the growth chamber 200 is pumped out through the vacuum pump (the vacuum pump is communicated with one end of the first vacuum line 202 far away from the growth chamber 200) and the first vacuum line 202, so that the internal pressure of the growth chamber 200 is reduced to below 10Pa, and the vacuum valve 208 on the first vacuum line 202 is closed. Then, the valve 206 on the first protective gas tube 205 is opened, argon gas (in the embodiment, the protective gas is argon gas, and in other embodiments, other inert gas may be selected as the protective gas) is backfilled into the growth chamber 200 through the first protective gas tube 205 at a flow rate of 300sccm until the internal pressure of the growth chamber 200 returns to normal pressure; the growth chamber 200 is continuously filled with argon gas at a flow rate of 300sccm through the first shielding gas pipe 205, and the vacuum valve 208 on the first vacuum pipe 202 is opened again so that the argon gas is exhausted through the first vacuum pipe 202, so that the growth chamber 200 is in a micro-positive pressure state. Next, the heating system in growth chamber 200 is activated and heating assembly 501 heats growth chamber 200 such that the temperature in growth chamber 200 reaches 1050 ℃. When the temperature in the growth chamber 200 reaches 1050 ℃, the temperature sensor converts the temperature signal into an electric signal and transmits the electric signal to the controller, and the controller controls the heating assembly 501 to stop working; when the temperature in the growth chamber 200 is lower than 1050 ℃, the temperature sensor converts the temperature signal into an electric signal and transmits the electric signal to the controller, and the controller controls the heating assembly 501 to start operating again, so that the temperature in the growth chamber 200 is maintained at about 1050 ℃.
S3, growing graphene: the valves 206 of the carbon source tube 203 and the hydrogen tube 204 were opened, methane was supplied into the growth chamber 200 through the carbon source tube 203 at a flow rate of 20sccm, and hydrogen was supplied into the growth chamber 200 through the hydrogen tube 204 at a flow rate of 50sccm, to start the growth of graphene on the metal ingot 900.
S4, cooling the growth chamber: after 20min of methane and hydrogen input, the valves 206 on the carbon source pipe 203 and the hydrogen pipe 204 are closed, the methane and hydrogen input is stopped, the argon input is continued, and the heating system in the growth chamber 200 is closed. After the heating system in the growth chamber 200 is closed, cooling water is input into the cooling cavity 801 of the growth chamber 200 through the water inlet pipe 802, and the cooling water is separated through the water outlet pipe 803 after absorbing heat of the growth chamber 200, so that the growth chamber 200 is cooled, and the temperature in the growth chamber 200 is reduced to room temperature. At this time, the valve 206 of the first shielding gas pipe 205 is closed, and the argon gas supply is stopped.
S5, transfer: the opening and closing door 701 on the growth chamber 200 is opened to expose the material inlet and outlet 601 of the growth chamber 200, the metal ingot 900 in the growth chamber 200 is taken out by the robot 400, the metal ingot 900 is placed on the forging platform 304 through the material inlet and outlet 601 of the forging chamber 300, and when the robot 400 places the metal ingot 900 with the graphene on the forging platform 304, the long side of the metal ingot 900 is in a vertically placed state.
S6, adjusting parameters in the forging chamber: the valve 206 of the second shielding gas pipe 301 is opened, argon gas (in this embodiment, the shielding gas is argon gas, in other embodiments, other inert gas may be selected as the shielding gas) is input into the forging chamber 300, and the excess argon gas in the forging chamber 300 overflows through the inlet/outlet 601 of the forging chamber 300. The heating system within the forge chamber 300 is activated and the heating assembly 501 heats the forge chamber 300 such that the temperature within the forge chamber 300 reaches 800 ℃. When the temperature in the forging chamber 300 reaches 800 ℃, the temperature sensor converts the temperature signal into an electrical signal and transmits the electrical signal to the controller, and the controller controls the heating assembly 501 to stop working.
S7, forging: the hydraulic cylinder 303 is started, the hydraulic cylinder 303 drives the forging hammer head 302 to move downwards, the forging hammer head 302 applies pressure to the metal ingot 900 on the forging platform 304 for forging (in the process of forging the metal copper ingot by the forging hammer head 302, the mechanical arm 400 applies horizontal acting force to the metal copper ingot so that the metal copper ingot is bent and folded), the forging pressure is 50MPa, the forging frequency is 1 time/s, the forging is stopped until the metal copper ingot is folded in half, and the thickness of the metal copper ingot after being folded in half is equal to or less than the original thickness. In the process, since the long side of the ingot 900 is vertically disposed, the ingot 900 is bent until it is folded during forging, and a portion where graphene does not grow is exposed.
S8, cooling the forging cavity: after forging, cooling water is input into the cooling cavity 801 of the forging cavity 300 through the water inlet pipe 802, and the cooling water is separated through the water outlet pipe 803 after absorbing heat in the forging cavity 300, so that the forging cavity 300 is cooled, and the temperature in the forging cavity 300 is reduced to room temperature. Then, the valve 206 of the second shielding gas pipe 301 is closed.
S9, taking materials: the forged ingot 900 in the forging chamber 300 is taken out by the robot 400 through the material inlet/outlet 601 of the forging chamber 300, transferred into the growth chamber 200 (placed on the growth stage 210), and the opening/closing door 701 of the growth chamber 200 is closed.
And repeating the steps S2 to S8 after repeating the steps S2 to S9 for nine times to obtain the graphene metal composite material, wherein the graphene metal composite material has a multilayer laminated structure, namely has a metal-graphene-metal-graphene … … metal-graphene-metal multilayer structure, and has the advantages of high conductivity and high strength.
Example two
The present embodiment is different from the first embodiment only in that: as shown in fig. 3, an opening/closing door 701 for sealing the inlet/outlet 601 is also disposed at the inlet/outlet 601 of the forging chamber 300 in this embodiment, and the second air path system further includes a second vacuum pipeline 305, and the second vacuum pipeline 305 is mounted with a vacuum valve 208 and a vacuum pressure gauge 209.
The implementation steps of this embodiment are different from the implementation steps of the first embodiment in that:
in step S5, after the robot 400 places the metal ingot 900 on which graphene is grown on the forging platen 304, the opening/closing door 701 of the forging chamber 300 is closed, and the inlet/outlet port 601 of the forging chamber 300 is sealed.
In step S6, the vacuum valve 208 on the second vacuum line 305 is opened, air in the forging chamber 300 is extracted through the vacuum pump and the second vacuum line 305, so that the internal pressure of the forging chamber 300 is reduced to below 10Pa, the vacuum valve 208 on the second vacuum line 305 is closed, the valve 206 on the second protective gas tube 301 is opened, argon is backfilled into the forging chamber 300 until the internal pressure of the forging chamber 300 returns to normal pressure, the material inlet/outlet 601 of the forging chamber 300 is opened, at this time, argon is continuously input into the forging chamber 300, and excess argon overflows through the material inlet/outlet 601 of the forging chamber 300, so that the inside of the forging chamber 300 is in a micro-positive pressure state. The robot arm 400 extends into the forging chamber 300 to clamp the ingot 900, so that the long side of the ingot 900 is in a vertically-arranged state. The heating system within the forging chamber 300 is then activated.
In this embodiment, compared to the first embodiment, since the forging chamber 300 is connected to the second vacuum pipeline 305, the time required for replacing the air in the forging chamber 300 with argon is shortened, and the work efficiency of argon replacement is improved, thereby improving the production efficiency.
The above description is only an example of the present invention, and the detailed technical solutions and/or characteristics known in the solutions are not described too much here. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. The utility model provides a split type equipment of growth forging and pressing for preparing graphite alkene metal composite which characterized in that: the device comprises a growth cavity, a forging cavity and a transfer mechanism for transferring metal materials, wherein heating systems are arranged in the growth cavity and the forging cavity, and a forging mechanism for forging and pressing the metal materials is further arranged in the forging cavity.
2. The growth forging split type equipment for preparing the graphene metal composite material according to claim 1, wherein: the forging mechanism comprises a forging hammer head and a driving piece for driving the forging hammer head to move.
3. The growth forging split type equipment for preparing the graphene metal composite material according to claim 1 or 2, wherein: the growth chamber is communicated with a gas path system, and the forging chamber is communicated with a gas path system II; the first gas path system comprises a first gas inlet manifold and a first vacuum pipeline, and one end of the first gas inlet manifold, which is far away from the growth chamber, is communicated with a carbon source pipe, a hydrogen pipe and a first protective gas pipe; and the second gas path system comprises a second protective gas pipe.
4. The growth forging split type equipment for preparing the graphene metal composite material according to claim 3, wherein: valves are arranged on the carbon source pipe, the hydrogen pipe, the first protective gas pipe and the second protective gas pipe, and a vacuum valve is arranged on the first vacuum pipeline.
5. The growth forging split type equipment for preparing the graphene metal composite material according to claim 4, wherein: flow controllers are arranged on the carbon source pipe, the hydrogen pipe, the first protective gas pipe and the second protective gas pipe, and a vacuum pressure gauge is arranged on the first vacuum pipeline.
6. The growth forging split type equipment for preparing the graphene metal composite material according to claim 5, wherein: the second gas circuit system further comprises a second vacuum pipeline, and a vacuum valve and a vacuum pressure gauge are mounted on the second vacuum pipeline.
7. The growth forging split type equipment for preparing the graphene metal composite material according to claim 1, wherein: the heating system comprises a heating assembly, a temperature sensor and a controller, wherein the controller receives a signal transmitted by the temperature sensor and controls the heating assembly to be opened or closed according to the signal.
8. The growth forging split type equipment for preparing the graphene metal composite material according to claim 1, wherein: the feed inlet and outlet have all been seted up to the lateral wall of growth cavity and forging and pressing cavity, and the feed inlet and outlet department of growth cavity or the feed inlet and outlet department of growth cavity and forging and pressing cavity is equipped with the switching door that is used for sealed feed inlet and outlet.
9. The growth forging split type equipment for preparing the graphene metal composite material according to claim 1, wherein: all seted up the cooling cavity in the lateral wall of growth cavity and forging and pressing cavity, the cooling cavity intercommunication has inlet tube and outlet pipe.
10. The growth forging split type equipment for preparing the graphene metal composite material according to claim 1, wherein: the growth chamber is internally provided with a growth platform for placing metal materials, and the forging chamber is internally provided with a forging platform for placing metal materials.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220219422.8U CN216828449U (en) | 2022-01-26 | 2022-01-26 | Growth forging and pressing split type equipment for preparing graphene metal composite material |
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| CN202220219422.8U CN216828449U (en) | 2022-01-26 | 2022-01-26 | Growth forging and pressing split type equipment for preparing graphene metal composite material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114433763A (en) * | 2022-01-26 | 2022-05-06 | 重庆墨希科技有限公司 | Folding forging method and device for high-conductivity graphene metal composite material |
| CN114433763B (en) * | 2022-01-26 | 2024-06-28 | 重庆墨希科技有限公司 | Folding forging method and device for high-conductivity graphene metal composite material |
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2022
- 2022-01-26 CN CN202220219422.8U patent/CN216828449U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114433763A (en) * | 2022-01-26 | 2022-05-06 | 重庆墨希科技有限公司 | Folding forging method and device for high-conductivity graphene metal composite material |
| CN114433763B (en) * | 2022-01-26 | 2024-06-28 | 重庆墨希科技有限公司 | Folding forging method and device for high-conductivity graphene metal composite material |
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