CN110125389A - A kind of preparation method of copper-graphite alkene collaboration reinforced aluminum matrix composites - Google Patents
A kind of preparation method of copper-graphite alkene collaboration reinforced aluminum matrix composites Download PDFInfo
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- CN110125389A CN110125389A CN201910467605.4A CN201910467605A CN110125389A CN 110125389 A CN110125389 A CN 110125389A CN 201910467605 A CN201910467605 A CN 201910467605A CN 110125389 A CN110125389 A CN 110125389A
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- 239000002131 composite material Substances 0.000 title claims abstract description 43
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 27
- 239000011159 matrix material Substances 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 7
- 239000010439 graphite Substances 0.000 title claims abstract description 7
- 239000000843 powder Substances 0.000 claims abstract description 54
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 40
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 22
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 20
- 239000010949 copper Substances 0.000 claims abstract description 18
- 239000002243 precursor Substances 0.000 claims abstract description 17
- 229910052802 copper Inorganic materials 0.000 claims abstract description 16
- 229960004643 cupric oxide Drugs 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000007787 solid Substances 0.000 claims abstract description 13
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000001192 hot extrusion Methods 0.000 claims abstract description 9
- 229910018182 Al—Cu Inorganic materials 0.000 claims abstract description 8
- -1 aluminium-copper oxide Chemical compound 0.000 claims abstract description 8
- 238000003763 carbonization Methods 0.000 claims abstract description 8
- 229920001577 copolymer Polymers 0.000 claims abstract description 8
- 239000011258 core-shell material Substances 0.000 claims abstract description 8
- 229910000679 solder Inorganic materials 0.000 claims abstract description 8
- 238000003466 welding Methods 0.000 claims abstract description 8
- 238000000498 ball milling Methods 0.000 claims abstract description 7
- 238000011065 in-situ storage Methods 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 239000005751 Copper oxide Substances 0.000 claims abstract description 6
- 229910052786 argon Inorganic materials 0.000 claims abstract description 6
- 239000012298 atmosphere Substances 0.000 claims abstract description 6
- 229910000431 copper oxide Inorganic materials 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims abstract description 6
- 239000001257 hydrogen Substances 0.000 claims abstract description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 6
- 230000009467 reduction Effects 0.000 claims abstract description 4
- 239000012159 carrier gas Substances 0.000 claims abstract description 3
- 230000002708 enhancing effect Effects 0.000 claims abstract description 3
- 238000010438 heat treatment Methods 0.000 claims abstract description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims abstract 2
- 239000000463 material Substances 0.000 claims description 6
- 239000012300 argon atmosphere Substances 0.000 claims description 5
- 238000005245 sintering Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000009833 condensation Methods 0.000 claims 1
- 230000005494 condensation Effects 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 15
- 239000004411 aluminium Substances 0.000 description 9
- 229910001220 stainless steel Inorganic materials 0.000 description 8
- 239000010935 stainless steel Substances 0.000 description 8
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 7
- 229930006000 Sucrose Natural products 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000005720 sucrose Substances 0.000 description 7
- 238000001125 extrusion Methods 0.000 description 6
- 230000002787 reinforcement Effects 0.000 description 6
- 238000000227 grinding Methods 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000010792 warming Methods 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003701 mechanical milling Methods 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 239000002134 carbon nanofiber Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 238000000399 optical microscopy Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
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- B22F1/0007—
-
- 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
- B22F3/10—Sintering only
- B22F3/1003—Use of special medium during sintering, e.g. sintering aid
- B22F3/1007—Atmosphere
-
- 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
- B22F3/20—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by extruding
-
- 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
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
- B22F9/22—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds using gaseous reductors
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
-
- 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
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
The present invention relates to a kind of preparation methods of copper-graphite alkene collaboration reinforced aluminum matrix composites, include the following steps: the preparation of (1) aluminium-copper oxide/solid carbon source precursor powder: respectively by the carbon content in ball aluminum powder, cupric oxide powder and solid carbon source according to certain proportion, it is added in ball grinder and carries out low energy ball milling mixing, obtain aluminium-copper oxide/solid carbon source precursor powder；(2) preparation of Solder for Al-Cu Joint Welding/graphene " core-shell structure copolymer shape " powder: in tube furnace by by precursor powder argon gas be carrier gas, substep in-situ reducing-carbonization is carried out under the reducing atmosphere of hydrogen, using the technique of step heating, copper oxide is restored at 330 DEG C -370 DEG C first, carbon source reduction and carbonization is then obtained into Solder for Al-Cu Joint Welding/graphene " core-shell structure copolymer shape " powder at 580 DEG C -620 DEG C；(3) cold pressing-hot extrusion prepares graphene-copper collaboration enhancing Al-based block body composite material.
Description
Technical field
Pass through cold pressing-sintering-hot extrusion molding mode reinforced aluminum matrix composites preparation side the present invention relates to a kind of
Method belongs to field of powder metallurgy.
Background technique
Aluminum matrix composite has the characteristics that wide matrix source, high specific strength and high ratio modulus, all the time deep to be studied
The concern of personnel has wide potentiality to be exploited and application prospect.From armies such as aerospace, auto industry, electronic encapsulation devices
From the point of view of thing, industry, civil field, some traditional reinforcements are no longer satisfied current application demand, research and develop high property
Energy aluminum matrix composite has received widespread attention.In recent years, carbon nanomaterial, including carbon nano-fiber, carbon nanotube and graphite
Alkene, the reinforcement as aluminum matrix composite have received widespread attention.Wherein, graphene is by carbon atom with sp2Hydridization shape
At two-dimension plane structure, have many excellent properties: tensile strength is up to 130GPa, Young's modulus 1100GPa, thermal conductivity
Rate is about 5000J/ (mKs), and density only has 2.2g/cm3.In addition, the surface of its fold helps to improve itself and matrix
Binding force and contact area between interface, unique two-dimensional structure then can effectively hinder the migration of dislocation and substantially reduce compound
The extension of material fine cracks, it is considered to be the ideal nanometer reinforcement of aluminum matrix composite, high-performance aluminium-base is compound to developing
Material is of great significance.
Currently, the technology of preparing of graphene reinforced aluminum matrix composites is mainly slurry mixing, mechanical ball mill dispersion, sheet
Powder metallurgy etc.；Shaping and deformation technique mainly utilizes hot extrusion, hot rolling etc..However, how to play graphene to the maximum extent
Structural advantage, how in dispersion process keep graphene-structured integrality, how to improve its interface between aluminum substrate
In conjunction with, be still restrict graphene reinforced aluminum matrix composites development essential problem in science.
The invention firstly uses low energy ball millings to prepare nano cupric oxide and solid carbon source (glucose or sucrose) cladding aluminium powder
Presoma, secondly, there is the Solder for Al-Cu Joint Welding/graphene composite powder of " nucleocapsid structure " by in-situ chemical reducing process synthesis, finally
Block composite material is prepared using cold pressing-sintering-hot extrusion technique so that the mechanical property of aluminum matrix composite have it is very big
Improvement, composite material obtain the tensile strength of 430MPa and keep 9.8% elongation percentage.
Summary of the invention
For existing problem, the invention proposes the Reinforcement structures of a kind of new copper and graphene, and maintain
Dispersibility and structural intergrity, thus the preparation method of reinforced aluminum matrix composites.Its simple process and low cost, has very
Good industrial prospect.The present invention utilizes in-situ techniques, the precursor preparation of copper source and carbon source is first completed, thus in composite material
In finally realize the chemiluminescence of both copper and graphene so that the mechanical property of composite material obtains aobvious improvement.Technology
Scheme is as follows:
A kind of preparation method of copper-graphite alkene collaboration reinforced aluminum matrix composites, including the following steps:
(1) aluminium-copper oxide/solid carbon source precursor powder preparation
Ball is added according to certain proportion in the carbon content in ball aluminum powder, cupric oxide powder and solid carbon source respectively
Low energy ball milling mixing is carried out in grinding jar, obtains aluminium-copper oxide/solid carbon source precursor powder；
(2) preparation of Solder for Al-Cu Joint Welding/graphene " core-shell structure copolymer shape " powder
By in argon gas being carrier gas by precursor powder in tube furnace, it is in situ also that substep is carried out under the reducing atmosphere of hydrogen
Original-carbonization is first restored copper oxide at 330 DEG C -370 DEG C using the technique of step heating, then at 580 DEG C -620
By carbon source reduction and carbonization at DEG C, Solder for Al-Cu Joint Welding/graphene " core-shell structure copolymer shape " powder is obtained.
(3) cold pressing-hot extrusion prepares graphene-copper collaboration enhancing Al-based block body composite material
At room temperature by composite powder, it is pressed into block, the block is then placed in lower 600 DEG C -650 of argon atmosphere
It DEG C is sintered；Sintered composite material block is placed in cone mill tool extruding at 530 DEG C -570 DEG C and obtains rodlike block
Composite material.
Preferably, in step (1) by ball aluminum powder, cupric oxide powder and solid carbon source, with element mass conversion, according to
Al:Cu:C weighs for 95:4:1.
In conclusion core of the invention is: using the advantage being prepared in situ, obtaining aluminium powder-graphene/copper " core-
The composite construction of shell ", the structure can make reinforcement reach good evenly dispersed effect in aluminium powder, and composite material
" core-shell structure copolymer " structure plays its important feature advantage in subsequent molding and load bearing process.
Compared with prior art, advantage of the process is that
1) technology of being prepared in situ is utilized, significantly improves dispersing uniformity of the reinforcement in aluminum substrate
2) using copper oxide as copper source, using the tiny feature of cupric oxide powder partial size, reduction obtains nanosized copper
Grain, and restore and be carbonized in same process, it utmostly ensure that the surface-active of copper
3) devise a kind of composite construction of aluminium powder-graphene/copper " core-shell structure copolymer ", the structure can give full play to copper with
The synergy of graphene reaches good complex effect
4) present invention process is simple, low in cost, green non-pollution, there is good industrial prospect
Detailed description of the invention
Fig. 1 is the aluminium-copper oxide/solid carbon source precursor powder SEM picture being prepared
Fig. 2 is the Solder for Al-Cu Joint Welding/graphene composite powder light microscopic and SEM picture being prepared, and (a) is under optical microscopy
The Cross Section Morphology of powder；It (b) is the SEM photograph of single powder；(c) powder SEM photograph after corroding aluminum substrate for hydrochloric acid
Fig. 3 is the TEM picture for the composite material block being prepared
Fig. 4 is the stress-strain diagram of composite material
Fig. 5 be the obtained composite material of different parameters tensile strength comparative diagram (tensile strength and nominal phosphorus content and
The relationship of aluminium powder particle size)
The present invention does not address place and is suitable for the prior art.
The specific implementation example of preparation method of the present invention is given below.Example is only used for further illustrating preparation side of the invention
Method is not intended to limit the protection scope of the claim of this application.
Example 1
1) by 50 μm of partial size ball aluminum powder 14.1g, nano oxidized copper powders 0.75g, sucrose 0.75g, 150g stainless steel ball
(6mm), which is added in 250mL stainless steel jar mill, carries out low energy ball milling mixing, obtains precursor powder.Revolving speed is 200r/min, when
Between be 120min, ratio of grinding media to material 10:1.In mechanical milling process, the sucrose powder and cupric oxide powder smashed will be attached to aluminium powder
Surface.
2) step 1 gained precursor powder is placed in tube furnace, in argon gas (flow 200mL/min) and hydrogen (stream
Amount keeps the temperature 60min, then be warming up to 600 with 10 DEG C/min under 50mL/min) mixed atmosphere, 10 DEG C/min is warming up to 350 DEG C
DEG C, keep the temperature 120min, after be cooled to room temperature, obtain composite powder.At 350 DEG C, copper oxide is reduced to copper powder, at 600 DEG C,
Sucrose carbonization is graphene nanometer sheet.
3) obtained composite powder is placed in the stainless steel mould that diameter is 20mm, is compressed to circle under the pressure of 600MPa
Column block is then sintered 60min under 630 DEG C, argon atmosphere.Sintering block is placed in prod cast extrusion die, is protected at 550 DEG C
Hot extrusion obtains rodlike composite material, extrusion ratio 16:1 under the pressure of warm 60min, 600MPa.
Name phosphorus content produced above is 2.0wt.%, and the copper-graphite alkene that copper content is 4.0wt.% enhances aluminum-base composite
Material sample.
Comparative example 1
1) by 50 μm of partial size ball aluminum powder 14.7g, 250mL stainless steel is added in sucrose 0.75g, 150g stainless steel ball (6mm)
Low energy ball milling mixing is carried out in ball grinder, obtains precursor powder.Revolving speed is 200r/min, time 2h, ratio of grinding media to material 10:1.
In mechanical milling process, the sucrose powder smashed will be attached to the surface of aluminium powder.
2) step 1 gained precursor powder is placed in tube furnace, in argon gas (flow 200mL/min) and hydrogen (stream
Amount is 50mL/min) under mixed atmosphere, be warming up to 600 DEG C with 10 DEG C/min, keep the temperature 120min, after be cooled to room temperature, answered
Close powder.At 600 DEG C, sucrose carbonization is graphene nanometer sheet.
3) obtained composite powder is placed in the stainless steel mould that diameter is 20mm, is compressed to circle under the pressure of 600MPa
Column block is then sintered 60min under 630 DEG C, argon atmosphere.Sintering block is placed in prod cast extrusion die, is protected at 550 DEG C
Hot extrusion obtains rodlike composite material, extrusion ratio 16:1 under the pressure of warm 60min, 600MPa.
Name phosphorus content produced above is 2.0wt.%, and copper content is the graphene reinforced aluminum matrix composites of 4.0wt.%
Comparative sample.
Comparative example 2
1) by 50 μm of partial size ball aluminum powder 14.4g, cupric oxide powder 0.75g, it is stainless that 250mL is added in 150 stainless steel balls (6mm)
Low energy ball milling mixing is carried out in steel ball grinding jar, obtains precursor powder.Revolving speed is 200r/min, time 2h, ratio of grinding media to material 10:
1.In mechanical milling process, cupric oxide powder will be attached to the surface of aluminium powder.
2) step 1 gained precursor powder is placed in tube furnace, in argon gas (flow 200mL/min) and hydrogen (stream
Amount is 50mL/min) under mixed atmosphere, be warming up to 350 DEG C with 10 DEG C/min, keep the temperature 60min, after be cooled to room temperature, obtain compound
Powder.At 350 DEG C, copper oxide is reduced to copper powder and is attached to aluminium powder surface.
3) obtained composite powder is placed in the stainless steel mould that diameter is 20mm, is compressed to circle under the pressure of 600MPa
Column block is then sintered 60min under 630 DEG C, argon atmosphere.Sintering block is placed in prod cast extrusion die, is protected at 550 DEG C
Hot extrusion obtains rodlike composite material, extrusion ratio 16:1 under the pressure of warm 60min, 600MPa.
Copper content produced above is the contrast sample of 4.0wt.%.
Claims (2)
1. a kind of preparation method of copper-graphite alkene collaboration reinforced aluminum matrix composites, including the following steps:
(1) aluminium-copper oxide/solid carbon source precursor powder preparation
Ball grinder is added according to certain proportion in the carbon content in ball aluminum powder, cupric oxide powder and solid carbon source respectively
Middle progress low energy ball milling mixing, obtains aluminium-copper oxide/solid carbon source precursor powder；
(2) preparation of Solder for Al-Cu Joint Welding/graphene " core-shell structure copolymer shape " powder
By in argon gas being carrier gas by precursor powder in tube furnace, substep in-situ reducing-is carried out under the reducing atmosphere of hydrogen
Carbonization, using the technique of step heating, first restores copper oxide at 330 DEG C -370 DEG C, then at 580 DEG C -620 DEG C
By carbon source reduction and carbonization, Solder for Al-Cu Joint Welding/graphene " core-shell structure copolymer shape " powder is obtained.
(3) cold pressing-hot extrusion prepares graphene-copper collaboration enhancing Al-based block body composite material
At room temperature by composite powder, be pressed into block, then by the block be placed in lower 600 DEG C -650 DEG C of argon atmosphere into
Row sintering；It sintered composite material block is placed in cone mill tool at 530 DEG C -570 DEG C squeezes and obtain rodlike block and answer
Condensation material.
2. preparation method according to claim 1, which is characterized in that in step (1) by ball aluminum powder, cupric oxide powder with
And solid carbon source is weighed with element mass conversion according to Al:Cu:C for 95:4:1.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111154994A (en) * | 2019-12-31 | 2020-05-15 | 新疆烯金石墨烯科技有限公司 | Graphene-aluminum composite material and preparation method thereof |
| CN111235436A (en) * | 2020-01-16 | 2020-06-05 | 上海交通大学 | In-situ synthesized aluminum carbide reinforced aluminum-based composite material and preparation method thereof |
| CN111375774A (en) * | 2020-04-29 | 2020-07-07 | 西安稀有金属材料研究院有限公司 | Preparation method of graphite-copper-molybdenum-based composite material for electronic packaging |
| CN112126808A (en) * | 2020-11-20 | 2020-12-25 | 捷安特轻合金科技(昆山)股份有限公司 | Production process of hypoeutectic aluminum-silicon alloy hub with spheroidized and refined silicon phase |
| CN112626367A (en) * | 2021-01-06 | 2021-04-09 | 山东省科学院新材料研究所 | Preparation method of nano alumina particle reinforced aluminum-copper alloy composite material |
| CN115255387A (en) * | 2022-07-22 | 2022-11-01 | 江苏科技大学 | Preparation method of graphene-coated copper powder particle reinforced aluminum-based composite material |
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| CN111235436B (en) * | 2020-01-16 | 2021-02-02 | 上海交通大学 | In-situ synthesized aluminum carbide reinforced aluminum-based composite material and preparation method thereof |
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| CN112126808A (en) * | 2020-11-20 | 2020-12-25 | 捷安特轻合金科技(昆山)股份有限公司 | Production process of hypoeutectic aluminum-silicon alloy hub with spheroidized and refined silicon phase |
| CN112126808B (en) * | 2020-11-20 | 2021-02-09 | 捷安特轻合金科技(昆山)股份有限公司 | Production process of hypoeutectic aluminum-silicon alloy hub with spheroidized and refined silicon phase |
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| CN115255387A (en) * | 2022-07-22 | 2022-11-01 | 江苏科技大学 | Preparation method of graphene-coated copper powder particle reinforced aluminum-based composite material |
| CN115255387B (en) * | 2022-07-22 | 2024-01-23 | 江苏科技大学 | Preparation method of graphene-coated copper powder particle reinforced aluminum matrix composite |
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