CN112030029A - High-conductivity metal composite material, and preparation method and equipment thereof - Google Patents

High-conductivity metal composite material, and preparation method and equipment thereof Download PDF

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Publication number
CN112030029A
CN112030029A CN202010953322.3A CN202010953322A CN112030029A CN 112030029 A CN112030029 A CN 112030029A CN 202010953322 A CN202010953322 A CN 202010953322A CN 112030029 A CN112030029 A CN 112030029A
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stirring
metal powder
ring
main body
composite material
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CN112030029B (en
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王彩绿
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SHANGHAI CHAOCHENG TECHNOLOGY DEVELOPMENT CO LTD
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SHANGHAI CHAOCHENG TECHNOLOGY DEVELOPMENT CO LTD
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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
    • C22C1/10—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
    • C22C1/00—Making non-ferrous alloys
    • C22C1/10—Alloys containing non-metals
    • C22C1/1005—Pretreatment of the non-metallic additives
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C13/00—Alloys based on tin
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C14/00—Alloys based on titanium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C18/00—Alloys based on zinc
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/07—Alloys based on nickel or cobalt based on cobalt
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C22/00—Alloys based on manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
    • C22C27/04—Alloys based on tungsten or molybdenum
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C5/00—Alloys based on noble metals
    • C22C5/02—Alloys based on gold
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D27/00—Stirring devices for molten material
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
    • C22C2026/002—Carbon nanotubes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
    • C22C2026/008—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes with additional metal compounds other than carbides, borides or nitrides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D27/00—Stirring devices for molten material
    • F27D2027/002—Gas stirring

Abstract

The invention belongs to the technical field of composite materials, and particularly relates to a high-conductivity metal composite material, and a preparation method and equipment thereof. According to the invention, the graphene, the carbon nano tube and the metal powder are compounded into the novel high-conductivity material in a mode of ultrasonic mixing, heating and stirring, then drying, and finally melting and stirring, and the stirring equipment adopted in the preparation process structurally comprises a perforated cylinder unit, a floating perforated ring unit, a connecting elastic tube, a mounting tube, an inflating hose and a clamping and clamping unit, and is used for blowing, scattering and mixing the metal powder in advance before stirring. The metal composite material has the advantages of good conductivity, simple and efficient preparation method, reasonable and effective structure of the adopted stirring equipment, great saving of stirring time due to the mode of uniformly blowing the metal powder in advance, capability of preventing a large amount of metal powder from attaching to the stirring column through controllable blowing action, and high efficiency and uniformity of the whole stirring action.

Description

High-conductivity metal composite material, and preparation method and equipment thereof
Technical Field
The invention belongs to the technical field of composite materials, and particularly relates to a high-conductivity metal composite material, and a preparation method and equipment thereof.
Background
The composite material generally refers to a novel material prepared by mixing materials of various different types, and aims to have the advantages of various materials, for example, the existing high-conductivity metal composite material is a mixed product of a metal material and a carbon material and has the advantages of high conductivity, light weight, high heat conductivity and the like.
On the other hand, most of the current production lines for high-conductivity metal composite materials have the following three problems to some extent:
firstly, the production process is complex, the energy consumption is high, the time consumption is long, and the overall efficiency is low.
Secondly, special production equipment is lacked, so the overall production efficiency cannot be improved.
Thirdly, the conductivity of the finally obtained composite material is not obviously improved, and the conductivity is always maintained at 3.3-3.5 x 107The range of S/m cannot be broken through.
In view of the above, there is a need in the market for a simple and efficient method and apparatus for producing highly conductive metal composite materials, and novel highly conductive metal composite materials with excellent final conductivity.
The Chinese patent with patent publication No. CN103602850A and publication No. 2014.02.26 discloses a high-conductivity carbon nanotube metal-based composite material, which comprises 0.1-30% by volume of carbon nanotubes and 70-99.9% by volume of metal, wherein the metal is copper, aluminum or copper-aluminum alloy.
However, the metal matrix composite material disclosed in the patent has the problem of relatively poor conductivity.
Disclosure of Invention
The invention aims to provide a high-conductivity metal composite material, and a preparation method and equipment thereof, wherein graphene, carbon nano tubes and metal powder are compounded into a high-conductivity novel material by means of ultrasonic mixing, heating and stirring, drying and melting and stirring, and the stirring equipment adopted in the preparation process structurally comprises a perforated cylinder unit, a floating perforated ring unit, a connecting elastic tube, a mounting tube, an inflating hose and a clamping and clamping unit and is used for blowing, scattering and mixing the metal powder in advance before stirring. The metal composite material has the advantages of good conductivity, simple and efficient preparation method, reasonable and effective structure of the adopted stirring equipment, great saving of stirring time due to the mode of uniformly blowing the metal powder in advance, capability of preventing a large amount of metal powder from attaching to the stirring column through controllable blowing action, and high efficiency and uniformity of the whole stirring action.
The technical scheme adopted by the invention for solving the problems is that the high-conductivity metal composite material comprises the following components in parts by weight:
15-18 parts of graphene,
2-8 parts of carbon nano tube,
75-78 parts of metal powder,
0.2-0.3 part of swelling agent.
The further preferable technical scheme is that the composition comprises the following components by weight:
15 parts of graphene,
2 parts of carbon nano tube,
76 portions of metal powder,
0.2 part of bulking agent.
The further preferred technical scheme is as follows: the carbon nano tube is any one or a combination of a multi-wall carbon nano tube and a single-wall carbon nano tube; the particle size of the metal powder is 0.1-5.0 μm, and the metal powder is any one of aluminum, gold, tin, zinc, titanium, cobalt, manganese and molybdenum; the swelling agent is any one of potassium chloride, silicon dioxide or calcium fluoride.
A preparation method of a high-conductivity metal composite material sequentially comprises the following steps:
s1, ultrasonic mixing: adding an organic solvent, graphene, a carbon nano tube and a swelling agent into an ultrasonic reactor, and ultrasonically mixing to obtain a dispersion;
s2, heating and stirring: adding a part of metal powder into the dispersion, heating and stirring to obtain a wet material;
s3, drying: drying the wet material to obtain composite metal powder;
s4, melting and stirring: and melting the residual metal powder, adding the composite metal powder, uniformly stirring, and cooling to obtain the high-conductivity metal composite material.
Further preferred technical scheme is that in S1, the frequency of ultrasonic wave is 15-22kHz, and the processing time is 1.5-2.2 h; in S2, the heating temperature is 150-220 ℃; in S3, the drying temperature is 250-280 ℃, and the drying time is 0.5-0.6 h; in S4, the melting temperature was 2800-3500 ℃, and stirring and cooling operations were performed under a nitrogen atmosphere.
The utility model provides an equipment for producing high electrically conductive metal-clad material, includes mixer main part, stirring post, charge door and charging cover, still includes vertical setting and is in on the bottom surface and be located the stirring region outside and be used for treating the stirring material and aerify the trompil barrel unit of mixing, cup joint the setting and be in on the trompil barrel unit and be used for carrying out the trompil ring unit that floats that the operation was evenly blown away to the metal powder is waiting to stir material liquid level top, set up and be in on the ring upper surface of the trompil ring unit that floats and be used for the closing cap above the trompil ring unit that floats the connection elastic tube of the structure of giving vent to anger of trompil barrel unit inserts the setting and is in the charge cover and outer even gas equipment's installation pipe, both ends are connected respectively the installation pipe with the gas tube of trompil barrel unit, and set up and be in on the trompil barrel unit and .
The technical scheme is that the perforated cylinder unit comprises a cylinder body, a mounting column, a lower air outlet, an upper air outlet, an inserting pipe, a vertical strip and an upper air outlet, wherein the mounting column is arranged on the annular lower end face of the cylinder body and used for reserving the lower end air inlet, the lower air outlet is arranged on the cylinder body and used for inflating and mixing materials to be stirred, the upper air outlet is arranged on the cylinder body and used for uniformly blowing metal powder above the liquid level of the materials to be stirred, the inserting pipe is arranged on the lower air outlet and the upper air outlet, the inserting pipe is arranged on the outer side end of the inserting pipe, the transverse cross section of the inserting pipe is in a fan ring shape and used for fixing the inserting pipe in a circumferential clamping mode, the vertical strip of the floating perforated ring unit is arranged on the vertical strip and is aligned with.
The technical scheme is that the floating perforated ring unit comprises a circular ring main body, an arc-shaped notch and an outward expanding air outlet, wherein the circular ring main body is sleeved on the circular cylinder main body and can float on the liquid level of the material to be stirred, the arc-shaped notch is arranged on the circular ring main body and used for the vertical strip to be inserted in a clamping mode, and the outward expanding air outlet is outwards arranged from the arc-shaped notch and aligned with the strip upper air outlet and the upper air outlet.
The technical scheme is that the number of the upper air outlets is 3-4, the materials to be stirred are added to the outward-expanding air outlets and aligned with any one of the upper air outlets, the upper air outlets below the liquid level perform air inflation mixing operation on the materials to be stirred, and the upper air outlets above the liquid level are sealed by the connecting elastic tube so as to reduce the amount of metal powder attached to the stirring column after being blown.
The clamping unit comprises an upper convex ring arranged on the outer ring surface of the cylinder main body and positioned above the inner part of the lower end pipe orifice of the inflation hose, a lower convex ring arranged on the outer ring surface of the cylinder main body and positioned below the inner part of the upper end pipe orifice of the connection elastic pipe, and an elastic rope ring which is positioned between the upper convex ring and the lower convex ring and is used for elastically clamping the inflation hose and the connection elastic pipe at the outer side.
According to the invention, the graphene, the carbon nano tube and the metal powder are compounded into the novel high-conductivity material in a mode of ultrasonic mixing, heating and stirring, then drying, and finally melting and stirring, and the stirring equipment adopted in the preparation process structurally comprises a perforated cylinder unit, a floating perforated ring unit, a connecting elastic tube, a mounting tube, an inflating hose and a clamping and clamping unit, and is used for blowing, scattering and mixing the metal powder in advance before stirring. The metal composite material has the advantages of good conductivity, simple and efficient preparation method, reasonable and effective structure of the adopted stirring equipment, great saving of stirring time due to the mode of uniformly blowing the metal powder in advance, capability of preventing a large amount of metal powder from attaching to the stirring column through controllable blowing action, and high efficiency and uniformity of the whole stirring action.
Drawings
FIG. 1 is a flow chart of the preparation method of the present invention.
FIG. 2 is a schematic view of the structure of the mixer of the present invention.
Fig. 3 is a schematic position diagram of the floating perforated ring unit of the present invention when the metal powder blowing operation is not triggered, wherein the mark L is the liquid level.
Fig. 4 is a schematic diagram of the position structure of the floating perforated ring unit when one of the upper air outlet holes is aligned with the outward-expanding air outlet hole and the uniform metal powder blowing action is effective, wherein a mark L is a liquid level.
Fig. 5 is a schematic structural diagram of the position of the vertical bar in the top view.
Fig. 6 is a schematic view showing the installation position of the vertical bar in the present invention.
Fig. 7 is a schematic structural view of the vertical strips of the present invention.
FIG. 8 is a schematic view of the position structure of the clamping unit of the present invention.
Detailed Description
The following description is only a preferred embodiment of the present invention and is not intended to limit the scope of the present invention.
Example (b): as shown in fig. 1, 2, 3, 4, 5, 6, 7 and 8, a highly conductive metal composite material comprises the following components by weight: 15 parts of graphene, 2 parts of carbon nano tubes, 76 parts of metal powder and 0.2 part of swelling agent.
The carbon nano tube is a multi-wall carbon nano tube; the particle size of the metal powder is 0.1-1.2 mu m, and the metal powder is aluminum powder; the swelling agent is potassium chloride.
In this example, the final metal composite material has an electrical conductivity of 3.8 to 3.9 x 107S/m, and therefore has the advantage of high conductivity.
A preparation method of a high-conductivity metal composite material sequentially comprises the following steps:
s1, ultrasonic mixing: adding an organic solvent, graphene, a carbon nano tube and a swelling agent into an ultrasonic reactor, and ultrasonically mixing to obtain a dispersion;
s2, heating and stirring: adding a part of metal powder into the dispersion, heating and stirring to obtain a wet material;
s3, drying: drying the wet material to obtain composite metal powder;
s4, melting and stirring: and melting the residual metal powder, adding the composite metal powder, uniformly stirring, and cooling to obtain the high-conductivity metal composite material.
In S1, the frequency of the ultrasonic wave is 15kHz, and the processing time is 2.0 h; in S2, the heating temperature is 160 ℃; in S3, the drying temperature is 260 ℃ and the drying time is 0.5 h; in S4, the melting temperature was 3000 ℃, and the stirring and cooling operation was performed under a nitrogen atmosphere.
In the embodiment, the parts which are not mentioned in the preparation method are all carried out according to the mode of the prior art, and the metal composite material can be successfully obtained.
The equipment for producing the high-conductivity metal composite material comprises a stirrer main body 11, a stirring column 12, a feeding port 13, a feeding cover 14, a perforated cylinder unit 1 which is vertically arranged on the inner bottom surface of the stirrer main body 11 and is positioned outside a stirring area and used for aerating and mixing materials to be stirred, a floating perforated ring unit 2 which is sleeved on the perforated cylinder unit 1 and used for uniformly blowing metal powder above the liquid level of the materials to be stirred, a connecting elastic pipe 3 of an air outlet structure of the perforated cylinder unit 1 which is arranged on the annular upper surface of the floating perforated ring unit 2 and used for sealing and covering the floating perforated ring unit 2, an installation pipe 4 which is inserted into the feeding cover 14 and is externally connected with an aerating device, and an aerating hose 5 of the installation pipe 4 and the perforated cylinder unit 1 which are connected at two ends respectively, and a clamping unit 6 which is arranged on the perforated cylinder unit 1 and is used for clamping and fixing the upper end of the connecting elastic tube 3 and the lower end of the inflating hose 5.
In this embodiment, the charging amount in the mixer body 11 is specific, that is, the floating perforated ring unit 2 must be aligned with an opening of the perforated cylinder unit 1 after floating, so that the opening of the perforated cylinder unit 1 has three working states, the first is the opening located below the floating perforated ring unit 2, which is used for charging air into the material and performing an air-charging mixing operation, so as to further enhance the mixing effect and shorten the mixing time; secondly, the holes of the floating hole ring unit 2 are aligned and used for blowing off metal powder in advance at a position close to the liquid level, so that the workload during stirring can be reduced; and thirdly, the opening above the floating opening ring unit 2 is sealed by the elastic connecting pipe 3, and only the elastic connecting pipe 3 is blown, so that metal powder can not be blown out, and the advantage of doing so is that the problem of metal powder waste is avoided.
In this embodiment, the mode that only has the trompil department of nearest liquid level to carry out the metal powder and blow away is adopted, guarantees the appropriate effect of blowing away, avoids a large amount of metal powder to raise, and attached can not utilized problem on equipment after, in addition installation pipe 4, inflatable hose 5 and block clamping unit 6 are used for guaranteeing the effective insertion of gas, adopt nitrogen gas to fill in this embodiment.
The perforated cylinder unit 1 comprises a cylinder body 101, a mounting column 102 arranged on the annular lower end face of the cylinder body 101 and used for reserving an inflation hole at the lower end, a lower air outlet 103 arranged on the cylinder body 101 and used for inflating and mixing materials to be stirred, an upper air outlet 104 arranged on the cylinder body 101 and used for uniformly blowing metal powder above the liquid level of the materials to be stirred, an insertion tube 105 arranged on the lower air outlet 103 and the upper air outlet 104, a vertical strip 106 arranged on the floating perforated ring unit 2 and arranged on the vertical strip 106 and aligned with the upper air outlet 107 arranged on the strip of the upper air outlet 104, wherein the transverse cross section of the insertion tube 105 is in a fan-ring shape and used for fixing the vertical strip in an annular clamping manner.
The floating perforated ring unit 2 comprises a circular ring main body 201 which is sleeved on the circular cylinder main body 101 and can float on the liquid level of the material to be stirred, an arc-shaped notch 202 which is arranged on the circular ring main body 201 and used for clamping and inserting the vertical strip 106, and an outward expanding air outlet 203 which is outwards opened from the arc-shaped notch 202 and aligned with the strip upper air outlet 107 and the upper air outlet 104.
The number of the upper air outlets 104 is 3-4, the materials to be stirred are added to the outward-expanding air outlet 203 and aligned with any one of the upper air outlets 104, the upper air outlets 104 below the liquid level perform the air inflation mixing operation of the materials to be stirred, and the upper air outlets 104 above the liquid level are sealed by the connecting elastic tube 3 after being covered so as to reduce the amount of metal powder which is blown up and attached to the stirring column 12.
In the present embodiment, the method of using the floating aperture ring unit 2 and the advantages thereof are as follows.
Firstly, the mixer main body 11 is filled with materials, the circular ring main body 201 moves upwards by buoyancy and is tightly attached to the vertical strips 106 and the cylinder main body 101 all the time until the outward-expanding air outlet 203 is aligned with any one of the upper air outlet 104.
Secondly, the aeration device is opened, nitrogen gas sequentially passes through the installation pipe 4, the aeration hose 5 and the cylinder main body 101, and flows out from the lower end opening of the cylinder main body 101, the lower air outlet 103 and the upper air outlet 104 possibly positioned below the circular main body 201, so that the purposes of aeration and agitation are achieved, and the mechanical agitation action at the agitation column 12 can be assisted.
Third, align outer expanding venthole 203 department top venthole 104, through venthole 107 on the strip, carry out only the metal powder of the less high department in liquid level top and blow the operation in advance, reach the metal powder and spill even purpose in advance, avoid the problem that needs a large amount of stirring actions in later stage after the unloading of single one by one, more importantly moreover, be located ring main part 201 top venthole 104, quilt connect elastic tube 3 "vexed and shrivelled", can not blow the metal powder, consequently can avoid a large amount of metal powder to be whole raise by a wide margin in the space of mixer main part 11 top and be blown, finally attached on equipment in a large number, cause the problem that can not get into the stirring material.
Fourthly, the vertical strips 106 are fixed with the cylinder main body 101 through the insertion tube 105 and fixed with the ring main body 201 through the arc-shaped notch 202, so that the ring main body 201 can only move vertically and cannot rotate in a harmful annular manner, and the outward expanding air outlet holes 203 are prevented from being aligned with the upper air outlet holes 104.
The clamping and clamping unit 6 includes an upper convex ring 601 provided on the outer circumferential surface of the cylinder body 101 at a position above the inside of the lower end nozzle of the air hose 5, a lower convex ring 602 provided on the outer circumferential surface of the cylinder body 101 at a position below the inside of the upper end nozzle of the connecting elastic tube 3, and an elastic string 603 provided between the upper convex ring 601 and the lower convex ring 602 and elastically clamping the air hose 5 and the connecting elastic tube 3 at the outside.
In this embodiment, the upper convex ring 601, the lower convex ring 602 and the elastic rope ring 603 are all used to ensure the air tightness of the whole connection of the pipeline.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various modifications can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. These are non-inventive modifications, which are intended to be protected by patent laws within the scope of the claims appended hereto.

Claims (10)

1. A highly conductive metal composite material is characterized by comprising the following components by weight:
15-18 parts of graphene,
2-8 parts of carbon nano tube,
75-78 parts of metal powder,
0.2-0.3 part of swelling agent.
2. The highly conductive metal composite as claimed in claim 1, comprising the following components by weight:
15 parts of graphene,
2 parts of carbon nano tube,
76 portions of metal powder,
0.2 part of bulking agent.
3. The highly conductive metal composite as claimed in claim 1, wherein: the carbon nano tube is any one or a combination of a multi-wall carbon nano tube and a single-wall carbon nano tube; the particle size of the metal powder is 0.1-5.0 μm, and the metal powder is any one of aluminum, gold, tin, zinc, titanium, cobalt, manganese and molybdenum; the swelling agent is any one of potassium chloride, silicon dioxide or calcium fluoride.
4. A method for preparing a highly conductive metal composite as claimed in claim 1, characterized by comprising the following steps in order:
s1, ultrasonic mixing: adding an organic solvent, graphene, a carbon nano tube and a swelling agent into an ultrasonic reactor, and ultrasonically mixing to obtain a dispersion;
s2, heating and stirring: adding a part of metal powder into the dispersion, heating and stirring to obtain a wet material;
s3, drying: drying the wet material to obtain composite metal powder;
s4, melting and stirring: and melting the residual metal powder, adding the composite metal powder, uniformly stirring, and cooling to obtain the high-conductivity metal composite material.
5. The method for preparing a highly conductive metal composite material as claimed in claim 4, wherein: in S1, the frequency of the ultrasonic wave is 15-22kHz, and the processing time is 1.5-2.2 h; in S2, the heating temperature is 150-220 ℃; in S3, the drying temperature is 250-280 ℃, and the drying time is 0.5-0.6 h; in S4, the melting temperature was 2800-3500 ℃, and stirring and cooling operations were performed under a nitrogen atmosphere.
6. An apparatus for producing the highly conductive metal composite material as defined in claim 1, comprising a mixer main body (11), a mixing column (12), a charging port (13) and a charging lid (14), characterized in that: still include vertical setting be in on the bottom surface in mixer main part (11) and be located the stirring region outside and be used for treating the stirring material and aerify trompil barrel unit (1) of mixing, cup joint the setting and be in on trompil barrel unit (1) and be used for carrying out the unsteady trompil ring unit (2) of metal powder even blowing-off operation in treating stirring material liquid level top, set up and be in float on the trompil ring unit (2) annular upper surface and be used for the closing cap float trompil ring unit (2) top connection elastic tube (3) of the structure of giving vent to anger of trompil barrel unit (1) insert the setting and be in add installation tube (4) of charging cap (14) interior and outer even air charging equipment, both ends are connected respectively installation tube (4) with aerify hose (5) of trompil barrel unit (1), and set up and be in on trompil barrel unit (1) and be used for the block is fixed connect elastic tube (3) upper end with The engaging and clamping means (6).
7. The apparatus for producing a highly conductive metal composite material as claimed in claim 6, wherein: the perforated cylinder unit (1) comprises a cylinder main body (101), a mounting column (102) which is arranged on the annular lower end face of the cylinder main body (101) and used for reserving an inflation hole at the lower end, a lower air outlet hole (103) which is arranged on the cylinder main body (101) and used for inflating and mixing materials to be stirred, an upper air outlet hole (104) which is arranged on the cylinder main body (101) and used for uniformly blowing and scattering metal powder above the liquid level of the materials to be stirred, inserting pipes (105) which are arranged on the lower air outlet hole (103) and the upper air outlet hole (104), and vertical strips (106) which are arranged on the outer side ends of all the inserting pipes (105) and have fan-ring-shaped transverse cross sections and used for fixing the floating perforated ring unit (2) in a circumferential clamping manner, and strip upper outlet holes (107) provided in the vertical strips (106) and aligned with the upper outlet holes (104).
8. The apparatus for producing a highly conductive metal composite material as claimed in claim 7, wherein: the floating perforated ring unit (2) comprises a circular ring main body (201) which is sleeved on the circular cylinder main body (101) and can float on the liquid level of a material to be stirred, an arc-shaped notch (202) which is arranged on the circular ring main body (201) and used for clamping and inserting the vertical strip (106), and an outward expanding type air outlet (203) which is arranged on the strip and aligned with the air outlet (107) on the strip and the air outlet (104) above the strip from the arc-shaped notch (202).
9. The apparatus for producing a highly conductive metal composite material as claimed in claim 7, wherein: the number of top venthole (104) is 3-4, wait to stir the material add to expand formula venthole (203) and align arbitrary one top venthole (104) are located below the liquid level top venthole (104) carry out the gas mixing operation of waiting to stir the material, are located above the liquid level top venthole (104) through by connect behind the elastic tube (3) closing cap sealed mode in order to be used for reducing the metal powder and blow the back attached volume of postscript (12).
10. The apparatus for producing a highly conductive metal composite material as claimed in claim 7, wherein: the clamping and clamping unit (6) comprises an upper convex ring (601) which is arranged on the outer ring surface of the cylinder main body (101) and is positioned at the upper position inside the lower end pipe orifice of the inflation hose (5), a lower convex ring (602) which is arranged on the outer ring surface of the cylinder main body (101) and is positioned at the lower position inside the upper end pipe orifice of the connection elastic pipe (3), and an elastic rope ring (603) which is positioned between the upper convex ring (601) and the lower convex ring (602) and is used for elastically clamping the inflation hose (5) and the connection elastic pipe (3) at the outer side.
CN202010953322.3A 2020-09-11 2020-09-11 High-conductivity metal composite material, and preparation method and equipment thereof Active CN112030029B (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004197153A (en) * 2002-12-18 2004-07-15 Allied Material Corp Diamond-metal composite material and method for manufacturing the same
CN103602850A (en) * 2013-11-13 2014-02-26 青岛科技大学 High-conductivity carbon nano tube metal-based composite material
CN111088441A (en) * 2019-12-30 2020-05-01 姜春辉 Preparation method of high-electric-conductivity heat-conduction metal-based composite material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004197153A (en) * 2002-12-18 2004-07-15 Allied Material Corp Diamond-metal composite material and method for manufacturing the same
CN103602850A (en) * 2013-11-13 2014-02-26 青岛科技大学 High-conductivity carbon nano tube metal-based composite material
CN111088441A (en) * 2019-12-30 2020-05-01 姜春辉 Preparation method of high-electric-conductivity heat-conduction metal-based composite material

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