CN117403087A - TC (TC) 4 Reinforced copper-based composite material and preparation method thereof - Google Patents
TC (TC) 4 Reinforced copper-based composite material and preparation method thereof Download PDFInfo
- Publication number
- CN117403087A CN117403087A CN202311354414.XA CN202311354414A CN117403087A CN 117403087 A CN117403087 A CN 117403087A CN 202311354414 A CN202311354414 A CN 202311354414A CN 117403087 A CN117403087 A CN 117403087A
- Authority
- CN
- China
- Prior art keywords
- copper
- composite material
- based composite
- ball milling
- powder
- 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
- 239000002131 composite material Substances 0.000 title claims abstract description 67
- 239000010949 copper Substances 0.000 title claims abstract description 67
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 238000000498 ball milling Methods 0.000 claims abstract description 44
- 239000000843 powder Substances 0.000 claims abstract description 27
- 238000005245 sintering Methods 0.000 claims abstract description 26
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000002156 mixing Methods 0.000 claims abstract description 14
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 13
- 239000002245 particle Substances 0.000 claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 13
- 239000012798 spherical particle Substances 0.000 claims abstract description 11
- 229910052786 argon Inorganic materials 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 7
- 238000005516 engineering process Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims abstract description 3
- 238000001291 vacuum drying Methods 0.000 claims abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 20
- 229910002804 graphite Inorganic materials 0.000 claims description 18
- 239000010439 graphite Substances 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 16
- 239000011159 matrix material Substances 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 4
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- 230000001010 compromised effect Effects 0.000 claims description 2
- 229910021642 ultra pure water Inorganic materials 0.000 claims description 2
- 239000012498 ultrapure water Substances 0.000 claims description 2
- 238000007731 hot pressing Methods 0.000 abstract description 13
- 238000009792 diffusion process Methods 0.000 abstract 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 46
- 230000000052 comparative effect Effects 0.000 description 7
- 238000004321 preservation Methods 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000012300 argon atmosphere Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004154 testing of material Methods 0.000 description 1
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
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/0425—Copper-based alloys
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/06—Metallic powder characterised by the shape of the particles
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/06—Metallic powder characterised by the shape of the particles
- B22F1/065—Spherical particles
-
- 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
- B22F3/02—Compacting only
-
- 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
-
- 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
-
- 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
- B22F2009/042—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling using a particular milling fluid
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Nanotechnology (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a TC 4 A preparation method of reinforced copper-based composite material belongs to the technical field of copper-based composite material. The preparation method comprises the following steps: TC is added to 4 Placing spherical particles and dendritic copper powder into a ball milling tank, then dripping a small amount of mixing agent, introducing argon shielding gas, and performing low-rotation-speed ball milling to obtain TC 4 -Cu complexMixing the powder; putting the ball-milled composite powder into a vacuum drying oven for drying, taking out, and adopting a rapid hot-pressing sintering technology to perform TC 4 Sintering the Cu composite powder to obtain TC 4 Reinforcing the copper-based composite. Wherein, the low-speed ball milling not only can ensure TC 4 The particles and Cu powder can be uniformly mixed, and TC can be ensured 4 In addition, the rapid hot-pressing sintering technology is adopted, so that the composite material can be sintered compactly, diffusion between the two materials can be restrained, tight combination of the two interfaces is ensured, and the strength and the higher plasticity of the material are improved.
Description
Technical Field
The invention relates to the technical field of copper-based composite materials, in particular to a TC (tungsten carbide) 4 Reinforced copper-based composite material and a preparation method thereof.
Background
The copper-based composite material has extremely excellent electric conductivity, heat conductivity and excellent mechanical property due to the characteristics of copper, plays a very important role in an electronic and electric system, but has low strength, is easy to deform under the high-temperature condition, and has poor comprehensive performance due to the fact that some interface problems are often caused by introducing some reinforcing components; therefore, there is a growing interest in introducing a new component to strengthen copper-based composites.
The traditional components for improving the strength of the copper-based composite material are usually hard reinforcing phases such as ceramic components or ceramic metal components, and the interface problem between the ceramic components or the ceramic metal components and the copper matrix is difficult to solve. And because of the interface problems, there are many problems of mismatched comprehensive properties, and it is often necessary to introduce a second phase or even some nano-sized reinforcing phases such as non-metal reinforcing phases of graphene, carbon nanotubes, etc., which are not only difficult to realize in industrial applications, but also relatively limited for applications in high temperature and high pressure environments, and at the same time, not particularly obvious for strength improvement.
Disclosure of Invention
The invention aims to provide a TC 4 The method for preparing the reinforced copper-based composite material can improve the strength of the copper matrix and simultaneously maintain the plasticity of the copper matrix.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
TC (TC) 4 A method for preparing a reinforced copper-based composite material, the method comprising the steps of:
(1) TC is added to 4 Putting the particles and copper powder into a ball milling tank, then dripping a small amount of mixing agent, introducing argon shielding gas, and performing low-rotation-speed ball milling to obtain TC 4 -Cu composite powder;
(2) Drying the composite powder obtained after ball milling in a vacuum drying oven, taking out, putting into a graphite mold, cold press molding, and sintering the molded block sample by adopting a rapid hot press sintering technology to obtain TC 4 Reinforcing the copper-based composite.
Further, in step (1), the TC 4 The titanium alloy particles are spherical and have the particle size of 2-10 mu m; the copper powder is dendritic in shape and has a particle size of 5-7 mu m.
Further, in the step (1), the mixing agent is one or more of ultrapure water, absolute ethyl alcohol, normal hexane and gasoline.
Further, in step (1), the TC 4 The weight ratio of the particles, the copper powder and the mixing agent is (1-3) g: (20-40) g: (0.03-0.06) ml.
Further, in the step (1), in the low-rotation ball milling, the ball mass ratio is (10-5): 1, the rotating speed is 100r/min-200r/min, and the ball milling time is 1-3h.
Further, in the step (2), the drying temperature is 40 ℃ to 60 ℃.
Further, in the step (2), the cold press molding process is as follows: drying TC 4 Placing the Cu composite powder into a graphite mold for cold press molding, wherein the pressure of the cold press molding is 20-30MPa, and the cold press time is 10-20min.
Further, in the step (2), the block obtained after cold press molding and the graphite mold are put into a hot press sintering furnace for rapid hot press sintering, wherein the rapid hot press sintering process is as follows: at a vacuum level of 10 -3 -10 -2 Under the conditions of Pa and pressure of 30-35MPa, firstly heating to T1 (550-650 ℃) at a heating rate of 80-120 ℃/min, heating to T2 (680-720 ℃) at a heating rate of 50-60 ℃/min after reaching the temperature T1, preserving heat at the temperature T2 for 8-15min, then cooling, maintaining the pressure for 8-20min in the cooling process, taking out a sample when the graphite mould is cooled to 50-100 ℃, and obtaining the TC 4 Reinforcing the copper-based composite.
Prepared TC 4 TC in reinforced copper-based composite material 4 The spherical particles are uniformly distributed in the copper matrix, TC 4 The integrity of the spherical particles is not compromised and TC 4 The spherical particles are tightly combined with the Cu matrix.
The relative density of the composite material is more than or equal to 95.0%, the tensile strength is more than 550MPa, and the elongation after fracture is more than 9.0%.
The invention has the following advantages and beneficial effects:
1. the invention provides a TC 4 A method of preparing a reinforced copper-based composite, the method comprising: for TC 4 Ball milling the spherical powder and dendritic Cu powder at low rotation speed to obtain homogeneously mixed TC 4 -Cu composite powder; sintering the composite powder by adopting a rapid hot-pressing sintering technology to obtain TC 4 -Cu composite.
2. The invention adopts the technology of ball milling at low rotation speed and adding a small amount of mixing agent to TC 4 Fully and uniformly mixing the spherical powder and the Cu dendritic powder, and ensuring TC 4 The integrity of the spherical powder is not compromisedThe method is bad, the original shape of the powder is kept as much as possible, in addition, the composite powder after ball milling is sintered by adopting a rapid hot-pressing sintering technology, and the TC is ensured 4 The copper matrix is tightly combined with the Cu matrix, and the degree of interdiffusion can be restrained, so that the strength of the composite material is improved, and meanwhile, the plasticity of the copper matrix is reserved.
Drawings
FIG. 1 is an interface bonding morphology of the composite material prepared in example 1.
FIG. 2 is an interface bonding morphology of the composite material prepared in comparative example 1.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.
In the following examples and comparative examples, the TC was as described 4 The titanium alloy particles are spherical and have the particle size of 2-10 mu m; the copper powder is dendritic in shape and has a particle size of 5-7 mu m; the mixing agent is n-hexane.
Example 1
The present embodiment provides a TC 4 The preparation process of the reinforced copper-based composite material comprises the following steps:
(1) Ball milling at a low rotating speed: in a vacuum glove box with argon, 2g of TC was introduced 4 Putting spherical particles and 30g of dendritic copper powder into a ball milling tank, and then dropwise adding 0.03ml of a mixing agent; after the ball is taken out, the ball milling tank is put into a planetary ball mill and ball milling is carried out under the protection of argon, the ball milling rotating speed is set to 200r/min, the ball milling time is 2h, and the ball material quality is improvedThe ratio is 5:1.
then take out to obtain TC 4 The Cu composite powder was immediately placed in a vacuum oven at a temperature of 50 ℃ and dried for 4 hours.
(2) And (3) rapid hot-pressing sintering: taking out TC after ball milling 4 -Cu composite powder, loaded into a graphite mould with an internal diameter Φ40mm, cold-pressed for 15min at a pressure of 20 MPa; then placing the graphite mould with the block in the cavity of the hot-pressing sintering furnace, closing the cabin door, applying pressure of 30Mpa, and vacuum pumping to 10 deg.C -3 pa, then raising the temperature to 600 ℃ at a heating rate of 100 ℃/min, then changing the heating rate to 50 ℃/min to ensure more accurate temperature control, and keeping the temperature at 700 ℃ for 8min when the temperature reaches 700 ℃; after the heat preservation is finished, the temperature is reduced without pressure relief, the pressure is maintained at 30Mpa for 15min, then the pressure relief is carried out, the sample is taken out after the temperature is reduced to 60 ℃, and the TC is obtained 4 Reinforcing the copper-based composite material; the interfacial bonding morphology of the composite material is shown in figure 1.
Example 2
The present embodiment provides a TC 4 The preparation process of the reinforced copper-based composite material comprises the following steps:
(1) Ball milling at a low rotating speed: in a vacuum glove box with argon, 1.8g TC was introduced 4 Putting spherical particles and 30g of dendritic copper powder into a ball milling tank, and then dropwise adding 0.03ml of a mixing agent; after taking out, the ball milling tank is put into a planetary ball mill and ball milling is carried out under argon atmosphere, the ball milling rotating speed is set to be 200r/min, and the ball milling time is 4 hours.
Then take out to obtain TC 4 The Cu composite powder was immediately placed in a vacuum oven at a temperature of 50 ℃ and dried for 4 hours.
(2) And (3) rapid hot-pressing sintering: taking out TC after ball milling 4 -Cu composite powder, loaded into a graphite mold with an inner diameter Φ40mm, cold-pressed for 15min under a pressure of 20 Mpa; then placing the graphite mould with the block in the cavity of the hot-pressing sintering furnace, closing the cabin door, applying pressure of 30Mpa, and vacuum pumping to 10 deg.C -3 pa, then raising the temperature to 600 ℃ at a heating rate of 100 ℃/min, and then changing the heating rate to 50 ℃/min to ensure more accurate temperature controlWhen the temperature rises to 700 ℃, preserving the heat for 8min; after the heat preservation is finished, the temperature is reduced without pressure relief, the pressure is maintained at 30Mpa for 15min, then the pressure relief is carried out, the sample is taken out after the temperature is reduced to 60 ℃, and the TC is obtained 4 Reinforcing the copper-based composite.
Comparative example 1
This comparative example provides a TC 4 The reinforced copper-based composite differs from example 1 only in that: the time of the heat preservation stage of the rapid hot-pressing sintering is prolonged to 60min; the specific process is as follows:
(1) Ball milling at a low rotating speed: in a vacuum glove box with argon, 2g of TC was introduced 4 Putting spherical particles and 30g of dendritic copper powder into a ball milling tank, and then dropwise adding 0.03ml of a mixing agent; after taking out, the ball milling tank is put into a planetary ball mill and ball milling is carried out under the protection of argon, the ball milling rotating speed is set to be 200r/min, and the ball milling time is 2h.
Then take out to obtain TC 4 The Cu composite powder was immediately placed in a vacuum oven at a temperature of 50 ℃ and dried for 4 hours.
(2) And (3) rapid hot-pressing sintering: taking out TC after ball milling 4 -Cu composite powder, loaded into a graphite mold with an inner diameter Φ40mm, cold-pressed for 15min under a pressure of 20 Mpa; then placing the graphite mould with the block in the cavity of the hot-pressing sintering furnace, closing the cabin door, applying pressure of 30Mpa, and vacuum pumping to 10 deg.C -3 pa, then heating the sample in the graphite mold to 600 ℃ at a heating rate of 100 ℃/min, changing the heating rate to 50 ℃/min to ensure more accurate temperature control, and preserving heat for 60min when the temperature reaches 700 ℃; after the heat preservation is finished, the temperature is reduced without pressure relief, the pressure is maintained at 30Mpa for 15min, then the pressure relief is carried out, the sample is taken out after the temperature is reduced to 60 ℃, and the TC is obtained 4 Reinforcing the copper-based composite material; the interfacial bonding morphology of the composite is shown in figure 2.
Comparative example 2
This comparative example provides a TC 4 The reinforced copper-based composite differs from example 1 only in that: shortening the heat preservation time to 4min during sintering; the specific process is as follows:
(1) Ball milling at low rotation speed: in a vacuum glove box with argon, 2g of TC was introduced 4 Putting spherical particles and 30g of dendritic copper powder into a ball milling tank, and then dropwise adding 0.03ml of a mixing agent; after taking out, the ball milling tank is put into a planetary ball mill and ball milling is carried out under the protection of argon, the ball milling rotating speed is set to be 200r/min, and the ball milling time is 2h.
Then take out to obtain TC 4 The Cu composite powder was immediately placed in a vacuum oven at a temperature of 50 ℃ and dried for 4 hours.
(2) And (3) rapid hot-pressing sintering: taking out TC after ball milling 4 -Cu composite powder, loaded into a graphite mold with an inner diameter Φ40mm, cold-pressed for 15min under a pressure of 20 Mpa; then placing the graphite mould with the block in the cavity of the hot-pressing sintering furnace, closing the cabin door, applying pressure of 30Mpa, and vacuum pumping to 10 deg.C -3 pa, then heating the sample in the graphite mold to 600 ℃ at a heating rate of 100 ℃/min, changing the heating rate to 50 ℃/min to ensure more accurate temperature control, and preserving the heat for 4min when the temperature reaches 700 ℃; after the heat preservation is finished, the temperature is reduced without pressure relief, the pressure is maintained at 30Mpa for 15min, then the pressure relief is carried out, the sample is taken out after the temperature is reduced to 60 ℃, and the TC is obtained 4 Reinforcing the copper-based composite.
The composite materials prepared in the above examples and comparative examples were subjected to a relative density test and a tensile strength test, and the test results are summarized in table 1.
Relative density: i.e. the density, is the ratio of the actual density to the theoretical density.
Tensile strength test: using an Instron 5982 type electronic universal material testing machine, wherein the stretching speed is 0.2mm/min;
TABLE 1TC 4 Enhancing properties of copper-based composites
The above-described embodiments are merely preferred embodiments for fully explaining the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present invention, and are intended to be within the scope of the present invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. TC (TC) 4 The preparation method of the reinforced copper-based composite material is characterized by comprising the following steps: the method comprises the following steps:
(1) TC is added to 4 Putting the particles and copper powder into a ball milling tank, then dripping a small amount of mixing agent, introducing argon shielding gas, and performing low-rotation-speed ball milling to obtain TC 4 -Cu composite powder;
(2) Drying the composite powder obtained after ball milling in a vacuum drying oven, taking out, putting into a graphite mold, cold press molding, and sintering the molded block sample by adopting a rapid hot press sintering technology to obtain TC 4 Reinforcing the copper-based composite.
2. The TC of claim 1 4 The preparation method of the reinforced copper-based composite material is characterized by comprising the following steps: in step (1), the TC 4 The particles are spherical and have a diameter of 2-10 μm; the copper powder is dendritic in shape and has a particle size of 5-7 mu m.
3. The TC of claim 1 4 The preparation method of the reinforced copper-based composite material is characterized by comprising the following steps: in the step (1), the mixing agent is one or more of ultrapure water, absolute ethyl alcohol, normal hexane and gasoline.
4. The TC of claim 1 4 The preparation method of the reinforced copper-based composite material is characterized by comprising the following steps: in step (1), the TC 4 The weight ratio of the particles, the copper powder and the mixing agent is (1-3) g: (20-40) g: (0.03-0.06) ml.
5. The TC of claim 1 4 The preparation method of the reinforced copper-based composite material is characterized by comprising the following steps: in the step (1), in the low-rotation-speed ball milling, the ball material mass ratio is (10-5): 1, the rotation speed is 100r/min-200r/min, and the ball milling time is 1-3h.
6. The TC of claim 1 4 The preparation method of the reinforced copper-based composite material is characterized by comprising the following steps: in the step (2), the drying temperature is 40-60 ℃.
7. The TC of claim 2 4 The preparation method of the reinforced copper-based composite material is characterized in that in the step (2), the cold press molding process is as follows: drying TC 4 Placing the Cu composite powder into a graphite mold for cold press molding, wherein the pressure of the cold press molding is 20-30MPa, and the cold press time is 10-20min.
8. The TC of claim 7 4 The preparation method of the reinforced copper-based composite material is characterized by comprising the following steps: in the step (2), the block obtained after cold press molding and a graphite mold are put into a hot press sintering furnace for rapid hot press sintering, wherein the rapid hot press sintering process comprises the following steps: at a vacuum level of 10 -3 -10 -2 Under the conditions of Pa and pressure of 30-35MPa, firstly heating to T1 (550-650 ℃) at a heating rate of 80-120 ℃/min, heating to T2 (680-720 ℃) at a heating rate of 50-60 ℃/min after reaching the temperature T1, preserving heat at the temperature T2 for 8-15min, then cooling, maintaining the pressure for 8-20min in the cooling process, taking out a sample when the graphite mould is cooled to 50-100 ℃, and obtaining the TC 4 Reinforcing the copper-based composite.
9. A TC prepared by the method of any one of claims 1-8 4 The reinforced copper-based composite material is characterized in that: TC in the composite material 4 The spherical particles are uniformly distributed in the copper matrix, TC 4 The integrity of the spherical particles is not compromised and TC 4 The spherical particles are tightly combined with the Cu matrix.
10. The TC of claim 9 4 The reinforced copper-based composite material is characterized in that: the relative density of the composite material is more than or equal to 95.0 percent, and the tensile strength is more than550MPa, and the elongation after break is more than 9.0%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311354414.XA CN117403087A (en) | 2023-10-19 | 2023-10-19 | TC (TC) 4 Reinforced copper-based composite material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311354414.XA CN117403087A (en) | 2023-10-19 | 2023-10-19 | TC (TC) 4 Reinforced copper-based composite material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117403087A true CN117403087A (en) | 2024-01-16 |
Family
ID=89488403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311354414.XA Pending CN117403087A (en) | 2023-10-19 | 2023-10-19 | TC (TC) 4 Reinforced copper-based composite material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117403087A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117840437A (en) * | 2024-02-28 | 2024-04-09 | 江西国创院新材料有限公司 | Preparation method of copper-based composite material powder for laser 3D printing |
-
2023
- 2023-10-19 CN CN202311354414.XA patent/CN117403087A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117840437A (en) * | 2024-02-28 | 2024-04-09 | 江西国创院新材料有限公司 | Preparation method of copper-based composite material powder for laser 3D printing |
| CN117840437B (en) * | 2024-02-28 | 2024-06-07 | 江西国创院新材料有限公司 | Preparation method of copper-based composite material powder for laser 3D printing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109439940A (en) | A kind of method that hot pressed sintering prepares particle enhanced aluminum-based composite material under air atmosphere | |
| CN110819842A (en) | Preparation method of formed part based on reduced graphene oxide and copper composite material | |
| CN104313380A (en) | Method for preparing high density nanocrystalline hard alloy by step sintering | |
| CN117403087A (en) | TC (TC) 4 Reinforced copper-based composite material and preparation method thereof | |
| CN114645180B (en) | Double-phase reinforced aluminum alloy and preparation method thereof | |
| CN117626085A (en) | Mo-W-Cu-Zr composite material and preparation method thereof | |
| CN110629097A (en) | Novel titanium-aluminum-based self-lubricating material and preparation method thereof | |
| CN113430417A (en) | High-performance titanium alloy added with rare earth oxide and preparation method thereof | |
| CN109518037A (en) | A kind of Ti-18Mo-xSi alloy material and preparation method thereof of SPS preparation | |
| CN116287850B (en) | Preparation method of graphene modified copper-based composite material | |
| CN113373338A (en) | Preparation method of graphene reinforced copper-based composite material with high thermal conductivity | |
| CN108517429A (en) | A kind of Ti2AlC enhances the preparation method of Cu-base composites | |
| CN109930024B (en) | High-strength and high-toughness copper-titanium alloy and preparation method thereof | |
| CN111515404A (en) | Preparation method of cBN/Al composite material | |
| CN108546842B (en) | AgTiB2Contact material and preparation method thereof | |
| CN113355547B (en) | TiB/Ti-Al titanium-based composite material based on Ti-AlB2 system and preparation method thereof | |
| CN112111664B (en) | Two-step sintering method for preparing chemically modified titanium-based composite material and preparation method thereof | |
| CN116100023A (en) | Aluminum alloy composite material and injection molding preparation method thereof | |
| CN115679229B (en) | Potassium titanate whisker reinforced aluminum matrix composite material and preparation method thereof | |
| CN114262834A (en) | High-temperature self-lubricating composite material and preparation method and application thereof | |
| CN113444949A (en) | High-density W-Ta-Nb series refractory solid solution alloy and preparation method thereof | |
| CN112609106A (en) | Zr-Ti-Nb alloy and preparation method thereof | |
| CN114635051A (en) | Preparation method of aluminum-based gradient electronic packaging composite material with high silicon content | |
| CN114959358B (en) | Titanium-aluminum-based intermetallic compound material and preparation method thereof | |
| CN114250385A (en) | Preparation method of in-situ authigenic titanium-copper alloy reinforced titanium-based composite material |
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 |