CN107442775A - A kind of grapheme foam aluminum composite metal material and preparation method - Google Patents
A kind of grapheme foam aluminum composite metal material and preparation method Download PDFInfo
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- CN107442775A CN107442775A CN201710572723.2A CN201710572723A CN107442775A CN 107442775 A CN107442775 A CN 107442775A CN 201710572723 A CN201710572723 A CN 201710572723A CN 107442775 A CN107442775 A CN 107442775A
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 84
- 239000006260 foam Substances 0.000 title claims abstract description 61
- 239000002131 composite material Substances 0.000 title claims abstract description 47
- 239000007769 metal material Substances 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 85
- 239000004411 aluminium Substances 0.000 claims abstract description 49
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 46
- 239000004088 foaming agent Substances 0.000 claims abstract description 44
- 239000000843 powder Substances 0.000 claims abstract description 31
- -1 by laser sintered Substances 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 239000006185 dispersion Substances 0.000 claims abstract description 11
- 238000000227 grinding Methods 0.000 claims abstract description 10
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 8
- 229910002804 graphite Inorganic materials 0.000 claims description 46
- 239000010439 graphite Substances 0.000 claims description 46
- 239000000463 material Substances 0.000 claims description 29
- 239000011812 mixed powder Substances 0.000 claims description 15
- 239000002270 dispersing agent Substances 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 239000000138 intercalating agent Substances 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 9
- 238000000149 argon plasma sintering Methods 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 7
- 230000002706 hydrostatic effect Effects 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000002096 quantum dot Substances 0.000 claims description 6
- 229910052961 molybdenite Inorganic materials 0.000 claims description 5
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- WWXUGNUFCNYMFK-UHFFFAOYSA-N Acetyl citrate Chemical compound CC(=O)OC(=O)CC(O)(C(O)=O)CC(O)=O WWXUGNUFCNYMFK-UHFFFAOYSA-N 0.000 claims description 4
- 229910018134 Al-Mg Inorganic materials 0.000 claims description 4
- 229910018467 Al—Mg Inorganic materials 0.000 claims description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 4
- 150000001336 alkenes Chemical class 0.000 claims description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 4
- 239000004575 stone Substances 0.000 claims description 4
- LDVVTQMJQSCDMK-UHFFFAOYSA-N 1,3-dihydroxypropan-2-yl formate Chemical compound OCC(CO)OC=O LDVVTQMJQSCDMK-UHFFFAOYSA-N 0.000 claims description 3
- 229910000632 Alusil Inorganic materials 0.000 claims description 3
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000004227 thermal cracking Methods 0.000 claims description 3
- 229910000048 titanium hydride Inorganic materials 0.000 claims description 3
- 229910000568 zirconium hydride Inorganic materials 0.000 claims description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 claims description 2
- UAUDZVJPLUQNMU-KTKRTIGZSA-N erucamide Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-KTKRTIGZSA-N 0.000 claims description 2
- 238000005187 foaming Methods 0.000 claims description 2
- 238000009830 intercalation Methods 0.000 claims description 2
- 230000002687 intercalation Effects 0.000 claims description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N o-dicarboxybenzene Natural products OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims description 2
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical group CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 claims description 2
- FATBGEAMYMYZAF-UHFFFAOYSA-N oleicacidamide-heptaglycolether Natural products CCCCCCCCC=CCCCCCCCC(N)=O FATBGEAMYMYZAF-UHFFFAOYSA-N 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 238000005728 strengthening Methods 0.000 abstract description 7
- 238000000354 decomposition reaction Methods 0.000 abstract description 6
- 238000009826 distribution Methods 0.000 abstract description 3
- 230000007812 deficiency Effects 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract description 2
- 238000003860 storage Methods 0.000 abstract description 2
- 230000032258 transport Effects 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 238000011056 performance test Methods 0.000 description 5
- 239000011148 porous material Substances 0.000 description 5
- 230000002708 enhancing effect Effects 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 244000248349 Citrus limon Species 0.000 description 2
- 235000005979 Citrus limon Nutrition 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 150000001721 carbon Chemical group 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 235000019580 granularity Nutrition 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- DPUOLQHDNGRHBS-UHFFFAOYSA-N Brassidinsaeure Natural products CCCCCCCCC=CCCCCCCCCCCCC(O)=O DPUOLQHDNGRHBS-UHFFFAOYSA-N 0.000 description 1
- URXZXNYJPAJJOQ-UHFFFAOYSA-N Erucic acid Natural products CCCCCCC=CCCCCCCCCCCCC(O)=O URXZXNYJPAJJOQ-UHFFFAOYSA-N 0.000 description 1
- 241000416536 Euproctis pseudoconspersa Species 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- WNLRTRBMVRJNCN-UHFFFAOYSA-L adipate(2-) Chemical compound [O-]C(=O)CCCCC([O-])=O WNLRTRBMVRJNCN-UHFFFAOYSA-L 0.000 description 1
- 150000001399 aluminium compounds Chemical class 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000002238 carbon nanotube film Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000002389 environmental scanning electron microscopy Methods 0.000 description 1
- DPUOLQHDNGRHBS-KTKRTIGZSA-N erucic acid Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(O)=O DPUOLQHDNGRHBS-KTKRTIGZSA-N 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 230000016784 immunoglobulin production Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920013657 polymer matrix composite Polymers 0.000 description 1
- 239000011160 polymer matrix composite Substances 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
- B22F3/11—Making porous workpieces or articles
- B22F3/1121—Making porous workpieces or articles by using decomposable, meltable or sublimatable fillers
- B22F3/1125—Making porous workpieces or articles by using decomposable, meltable or sublimatable fillers involving a foaming process
-
- 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
- B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
-
- 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
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0084—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ carbon or graphite as the main non-metallic constituent
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The present invention provides a kind of grapheme foam aluminum composite metal material and preparation method, foaming agent and graphene grinding distribution is uniform, then it is mixed in metallic aluminium powder, by laser sintered, foaming agent uniform decomposition is set to release gas, the expansion of gas enables aluminum alloy into foam-like, and make graphene dispersion in the interface of foam, then cooling obtains grapheme foam aluminum composite metal material, metallic aluminium foamed is carried out simultaneously with graphene strengthening process, the grapheme foam aluminium composite material performance for overcoming existing method preparation is not sufficiently stable, strengthen the dissatisfactory technological deficiency of effect, prepare stabilization, uniformly, the grapheme foam aluminium composite material of characteristic with low-density and high-strength, the grapheme foam aluminum composite metal material character prepared is stable, easily storage transports, it is easily achieved scale industrial production.
Description
Technical field
The present invention relates to metallic composite manufacture field, and in particular to a kind of grapheme foam aluminum composite metal material and
Preparation method.
Background technology
Foamed aluminium is a kind of porous material of high porosity, its proportion is small, heat-resisting, sound-absorbing, antidetonation, have special physics and
Chemical property.It can not only be used for functional material, but also as structural material, in machinery, electronics, building, high ferro, automobile, lightization
The fields such as work, military project have wide practical use, and market prospects are tempting, are such as used as lightweight decoration construction material, light industry filler
And catalyst, heat exchanger, fire proofing, sound insulation noise elimination, damping anti-impact, electromagnetic shielding etc..As a kind of excellent sound absorption material
Material and weight-reducing material, foamed aluminum materials are widely used under construction.Architectural Equipment have many components need to it is light, rigidity greatly with
Non-flame properties material manufacture, or supporting frame is used as by the use of this kind of material.Simultaneously foamed aluminum materials have isotropism, do not burn,
The characteristics of holding structure is complete, there is sizable application potential in aerospace industry.
Foamed aluminium can be divided into the foamed aluminium of hole-closing structure and two kinds of the foamed aluminium of open-celled structure, and the former, which contains, largely independently deposits
Bubble, and the latter is then continuous unimpeded three-D pore structure.Tissue topography's feature of foamed aluminium, including hole structure (
Perforate or closed pore), relative density, the size in hole, the shape in hole, the thickness of hole wall, anisotropy etc., these features can be by
Analyzed and researched in light microscope, ESEM, X ray tomographies, research and development is more rapid in this respect.
Because structure is different, its performance has very big difference, therefore has different purposes, compared with traditional metallic aluminium, foam
Aluminium obtains because having the following feature in fields such as metallurgy, chemical industry, Aero-Space, ship, electronics, automobile making and construction industries
To being widely applied.The mechanical property of foamed aluminium is mainly determined by its density, but the size in hole, structure are equally with distribution
Determine the important parameter of mechanical property.The Young's modulus and modulus of shearing of foamed aluminium all increase with the increase of density.In order to protect
Intensity good at a low density is held, it is necessary to strengthen it.
The plane carbon nanomaterial that graphene is made up of one layer of carbon atom, it is to be currently known most thin two-dimensional material, its
Thickness is only 0.335nm, and it is made up of the lattice of six sides.By σ key connections between carbon atom in graphene, graphene is imparted
Extremely excellent mechanical property and structural rigidity, it is widely used in the enhancing field of composite.
Chinese invention patent application number 201610162661.3 discloses a kind of foam framework enhancing polymer matrix composite wood
Material and preparation method thereof, there is foam framework, surface consolidation material forms with matrix material, or adds reinforcing particle wherein, has
After foam framework is to be cleaned to, dried Antibody Production Techniques, using chemical vapor deposition in foam framework superficial growth strengthening layer gold
After diamond film, graphene film, carbon nano-tube film, obtained with polymer matrix bluk recombination.It follows that the technical scheme is to pass through bone
Frame matrix surface grows strengthening material and realizes enhancement purpose, still, with chemical vapor deposition prepare strengthening layer strengthen effect by
Sedimentary condition is had a great influence, and properties of product are difficult to control.
Chinese invention patent application number 201510279542.1 discloses a kind of preparation side of aluminium base graphene composite material
Method, it is placed in graphene dispersing solution and soaks after being dried after the oxide layer on intercommunicating pore foamed aluminium acidification removal surface, then
Take out, graphene/foamed aluminium complex is obtained after drying, then preheated roll forming obtains final composite.The program
It is similar with aforementioned patent scheme, handled again by foamed aluminium matrix, but graphene is in foamed aluminium surface attachment intensity,
And the destruction in the operation of rolling to graphene-structured, it can all influence to strengthen effect.
In summary, prior art is that foamed aluminium matrix is directly handled, and by superficial growth or immersion, makes stone
Black alkene strengthens with compound realize of foamed aluminium, but properties of product are not sufficiently stable, and reinforcing effect is not ideal enough, and at present still without one kind
Method directly effectively obtains the composite of graphene enhancing foamed aluminium.
The content of the invention
It is not sufficiently stable for the grapheme foam aluminium composite material performance obtained in the prior art, it is not ideal enough strengthens effect
Technological deficiency, the present invention proposes a kind of grapheme foam aluminum composite metal material and preparation method, passes through foaming agent and graphite
Alkene grinding distribution is uniform, is then mixed in metallic aluminium powder, by laser sintered, makes foaming agent foam, and make graphene dispersion in bubble
The interface of foam, cooling obtains grapheme foam aluminum composite metal material, and then a step is stablized, uniformly, has low-density high
The foamed aluminium material of the characteristic of intensity.
To solve the above problems, the present invention uses following technical scheme：
On the one hand provide a kind of grapheme foam aluminum composite metal material, the composite material by following parts by weight raw material
It is prepared：
Metallic aluminium powder 72-80 parts
Graphite powder 8-10 parts
Foaming agent 2-10 parts
Dispersant 1.5-5 parts
Intercalator 0.5-3 parts
Wherein, described metallic aluminium powder is high purity aluminum powder, Al-Mg alloy powder, aluminium copper powder, alumal powder and alusil alloy
One or more of blends of powder, the granularity of the metallic aluminium powder is 200-800 mesh；Described graphite powder is scale
At least one of graphite, expanded graphite, highly oriented graphite, thermal cracking graphite, graphite oxide；Described foaming agent is TiH2、
ZrH2、CaH2In one or more of mixtures；Described dispersant is oleamide, erucyl amide, polyadipate ethylene glycol
Ester, phthalic acid ester, citrate, acetyl citrate, one or more of mixtures of monoglyceride and pentaerythritol ester；
Described intercalator is graphene oxide quantum dot, graphene quantum dot, individual layer MoS2With one kind or several of individual layer black phosphorus material
Kind mixture.
On the other hand, there is provided a kind of preparation method of grapheme foam aluminum composite metal material, it is characterised in that using gold
It is raw material to belong to aluminium powder and graphite powder, and carrying out foaming with foaming agent blending handles to obtain grapheme foam aluminum composite metal material, has
Body method is as follows：
（1）By 8-10 parts by weight of graphite powder, 0.5-3 parts by weight of intercalant and 1.5-5 parts per weight dispersing agents in high-speed mixer
With the 600-1200rpm scattered 10-25min of rotating speed mixing, intercalation, stripping and decentralized processing are carried out to the graphite powder, obtained
Dispersed graphite alkene；
（2）By step（1）Obtained dispersed graphite alkene is added in vacuum tank jointly with 2-10 part foaming agents, is stirred, is obtained
To graphene/foaming agent mixed-powder；
（3）By step（2）Obtained graphene/foaming agent mixed-powder mixes with 72-80 parts metallic aluminium powder, and stirring is equal
It is even, it is then injected into grinding tool, first one-step forming, obtains structural member presoma after compacting；
（4）To the structural member presoma of the just one-step forming, using laser sintering process, the foaming agent in presoma is set uniformly to divide
Gas is liberated out, the expansion of gas enables aluminum alloy into foam-like, and graphene dispersion is obtained stone in the interface of foam, cooling
Black alkene foamed aluminium composite material.
Preferably, the treatment temperature of the high-speed mixer is arranged on 200-400 DEG C.
Preferably, step（2）Described in the material of vacuum tank be 304 stainless steels, vacuum 10-1000Pa.
Preferably, step（2）In, the speed of agitator of described stir process is 100-600 revs/min.
Preferably, step（2）In, the described temperature that is stirred prevents that foaming agent from decomposing reaction less than 200 DEG C.
Preferably, step（3）In, the method for the compacting is compressed using 0.1-1MPa hydrostatic pressure, is tied
Component presoma.
Preferably, the laser sintering process is to use CO2Laser or Nd:YAG laser, the power of laser is 1-
3KW, sweep speed 150-320mm/s.
Prior art is that foamed aluminium matrix is directly handled, and by superficial growth or immersion, makes graphene and bubble
Foam aluminium is compound to realize enhancing, prepares strengthening layer and strengthens effect and is had a great influence by sedimentary condition, the graphene quality of superficial growth with
And with foamed aluminium compound interface combination degree influence foamed aluminium performance, be difficult to control, and strengthen effect often on surface more
It is prominent, due to strengthening effect inside the influence of foam voids size inside foamed aluminium, strengthen effect inequality, therefore, existing reinforcing
It is not ideal enough that grapheme foam aluminium composite material prepared by means strengthens effect.The present invention passes through foaming agent and graphene grinding point
Dissipate uniform, be then mixed in metallic aluminium powder, by laser sintered, make foaming agent foam, and make graphene dispersion in the interface of foam,
Cooling obtains grapheme foam aluminum composite metal material, and then a step is stablized, uniformly, has the characteristic of low-density and high-strength
Foamed aluminium material.
The present invention provides a kind of grapheme foam aluminum composite metal material and preparation method, and compared with prior art, it is prominent
The characteristics of going out and excellent effect are：
1st, a kind of grapheme foam aluminum composite metal material provided by the invention and preparation method, are ground by foaming agent and graphene
Mill is uniformly dispersed, and is then mixed in metallic aluminium powder, by laser sintered, makes foaming agent foam, and make graphene dispersion in foam
Interface, cooling obtain grapheme foam aluminum composite metal material, and metallic aluminium foamed is carried out simultaneously with graphene strengthening process, system
It is standby to be stablized, uniformly, there is the grapheme foam aluminium composite material of the characteristic of low-density and high-strength.
2nd, this programme is prepared in a manner of pure physics, destruction of the chemical reaction avoided to graphene-structured, is obtained
Product quality it is higher, environment is polluted few.
3rd, scheme preparation technology disclosed by the invention is simple, and raw material sources are extensive, and cost is cheap, the graphene bubble prepared
Foam aluminum composite metal material character is stable, and easily storage transports, it is easy to accomplish scale industrial production.
Embodiment
Below by way of embodiment, the present invention is described in further detail, but this should not be interpreted as to the present invention
Scope be only limitted to following example.In the case where not departing from above method thought of the present invention, according to ordinary skill
The various replacements or change that knowledge and customary means are made, should be included in the scope of the present invention.
Embodiment 1
（1）By 8 parts by weight crystalline graphite powders, 3 parts by weight of intercalant graphene oxide quantum dots and 1.5 parts per weight dispersing agent oleic acid
For acid amides with the 1200rpm scattered 25min of rotating speed mixing in high-speed mixer, it is 200 DEG C to set high-speed mixer treatment temperature
So that intercalator inserts graphite layers, dispersant peels off graphite while dispersed graphite alkene, obtains dispersed graphite alkene；
（2）By step（1）Obtained dispersed graphite alkene and 2-10 part foaming agents TiH2It is 304 stainless steels to be added to material jointly,
Vacuum is in 10Pa vacuum tank, and speed of agitator is 600 revs/min, is stirred, and is stirred temperature as 100 DEG C, obtains
To graphene/foaming agent mixed-powder；
（3）By step（2）Obtained graphene/foaming agent mixed-powder is that 800 height of eye pure aluminium powders mix with 72 parts of granularities, is stirred
Mix uniformly, be then injected into grinding tool, after compressing compacting using 0.1MPa hydrostatic pressure, obtain preliminary contoured members forerunner
Body；
（4）To the structural member presoma of the just one-step forming, using laser sintering process, using Nd:YAG laser, set and swash
The power of light device is 3KW, and sweep speed is that 150mm/s makes the foaming agent uniform decomposition in presoma release gas, gas it is swollen
It is swollen to enable aluminum alloy into foam-like, and graphene dispersion is obtained grapheme foam aluminum composite metal in the interface of foam, cooling
Material.
After carrying out performance test to the grapheme foam aluminum composite metal material prepared in embodiment, data are obtained such as
Shown in table 1.
Embodiment 2
（1）By 10 parts by weight expanded graphite powder, 0.5 parts by weight of intercalant graphene quantum dot and 1.5 parts per weight dispersing agent erucic acid
For acid amides with the 600rpm scattered 25min of rotating speed mixing in high-speed mixer, it is 300 DEG C to set high-speed mixer treatment temperature,
So that intercalator inserts graphite layers, dispersant peels off graphite while dispersed graphite alkene, obtains dispersed graphite alkene；
（2）By step（1）Obtained dispersed graphite alkene and 10 parts of foaming agent ZrH2The common material that adds is 304 stainless steels, vacuum
Spend in the vacuum tank for 10-1000Pa, speed of agitator is 100 revs/min, is stirred, and is stirred temperature as 50 DEG C, obtains
To graphene/foaming agent mixed-powder；
（3）By step（2）Obtained graphene/foaming agent mixed-powder mixes with 80 parts of Al-Mg alloy powders, stirs, then
Inject in grinding tool, after compressing compacting using 0.5MPa hydrostatic pressure, obtain preliminary contoured members presoma；
（4）To the structural member presoma of the just one-step forming, using laser sintering process, using CO2Laser, laser is set
Power be 1KW, sweep speed is that 300mm/s makes the foaming agent uniform decomposition in presoma release gas, and the expansion of gas makes
Aluminium alloy makes graphene dispersion obtain grapheme foam aluminum composite metal material in the interface of foam, cooling into foam-like.
After carrying out performance test to the grapheme foam aluminum composite metal material prepared in embodiment, data are obtained such as
Shown in table 1.
Embodiment 3
（1）By the highly oriented graphite of 8 parts by weight, thermal cracking graphite mixing graphite powder, 1.5 parts by weight individual layer MoS2With 2.5 parts by weight
Polyethylene glycol adipate, with the 800rpm scattered 15min of rotating speed mixing, sets high-speed mixer to handle in high-speed mixer
Temperature is 200-400 DEG C and causes individual layer MoS2Intercalator inserts graphite layers, and dispersant peels off graphite while dispersed graphite
Alkene, obtain dispersed graphite alkene；
（2）By step（1）It is 304 stainless steels that obtained dispersed graphite alkene and 2-10 parts foaming agent add material jointly, vacuum
For in 500Pa vacuum tank, speed of agitator is 100-600 revs/min, is stirred, temperature is stirred as 150 DEG C, is obtained
To graphene/foaming agent mixed-powder；
（3）By step（2）Obtained graphene/foaming agent mixed-powder mixes with 78 parts of alumal powder, stirs, then
Inject in grinding tool, after compressing compacting using 0.5MPa hydrostatic pressure, obtain preliminary contoured members presoma；
（4）To the structural member presoma of the just one-step forming, using laser sintering process, using Nd:YAG laser, set and swash
The power of light device is 1.3KW, and sweep speed is that 180mm/s makes the foaming agent uniform decomposition in presoma release gas, gas
Expansion enables aluminum alloy into foam-like, and graphene dispersion is obtained the compound gold of grapheme foam aluminium in the interface of foam, cooling
Belong to material.
After carrying out performance test to the grapheme foam aluminum composite metal material prepared in embodiment, data are obtained such as
Shown in table 1.
Embodiment 4
（1）9 parts by weight graphite oxide powder, 3 parts by weight individual layer black phosphorus and 2.5 parts by weight of lemon acid esters, acetyl citrate are mixed
For compound with the 1100rpm scattered 15min of rotating speed mixing in high-speed mixer, it is 200- to set high-speed mixer treatment temperature
400 DEG C cause intercalator insertion graphite layers, and dispersant peels off graphite while dispersed graphite alkene, obtains dispersed graphite alkene；
（2）By step（1）It is 304 stainless steels that obtained dispersed graphite alkene and 2-10 parts foaming agent add material jointly, vacuum
For in 800Pa vacuum tank, speed of agitator is 500 revs/min, is stirred, temperature is stirred as 30 DEG C, obtains graphite
Alkene/foaming agent mixed-powder；
（3）By step（2）Obtained graphene/foaming agent mixed-powder and 75 parts of alumal powder and alusil alloy mixed-powder
Mixing, stirs, is then injected into grinding tool, after compressing compacting using 0.7MPa hydrostatic pressure, obtains just one-step forming knot
Component presoma；
（4）To the structural member presoma of the just one-step forming, using laser sintering process, using Nd:YAG laser, set and swash
The power of light device is 2KW, and sweep speed is that 220mm/s makes the foaming agent uniform decomposition in presoma release gas, gas it is swollen
It is swollen to enable aluminum alloy into foam-like, and graphene dispersion is obtained grapheme foam aluminum composite metal in the interface of foam, cooling
Material.
After carrying out performance test to the grapheme foam aluminum composite metal material prepared in embodiment, data are obtained such as
Shown in table 1.
Embodiment 5
（1）By 10 parts by weight crystalline flake graphites, expanded graphite, the mixing graphite powder of highly oriented graphite, 3 parts by weight individual layer MoS2And list
Layer black phosphorus material mixing intercalator and 5 parts by weight of lemon acid esters, acetyl citrate, monoglyceride mixture are in high-speed mixer
With the 1000rpm scattered 15min of rotating speed mixing, set high-speed mixer treatment temperature to be 200-400 DEG C and cause intercalator insertion
Graphite layers, dispersant peels off graphite while dispersed graphite alkene, obtains dispersed graphite alkene；
（2）By step（1）It is 304 stainless steels that obtained dispersed graphite alkene and 2 parts of foaming agents add material jointly, and vacuum is
In 200Pa vacuum tank, speed of agitator is 400 revs/min, is stirred, and is stirred temperature less than 200 DEG C, obtains stone
Black alkene/foaming agent mixed-powder；
（3）By step（2）Obtained graphene/foaming agent mixed-powder and 74 parts of Al-Mg alloy powders, aluminium copper powder and aluminium manganese
Alloyed powder mixed metal powder is mixed, and stirs, is then injected into grinding tool, and compacting is compressed using 0.9MPa hydrostatic pressure
Afterwards, preliminary contoured members presoma is obtained；
（4）To the structural member presoma of the just one-step forming, using laser sintering process, using Nd:YAG laser, set and swash
The power of light device is 1-3KW, and sweep speed is that 300mm/s makes the foaming agent uniform decomposition in presoma release gas, gas
Expansion enables aluminum alloy into foam-like, and graphene dispersion is obtained the compound gold of grapheme foam aluminium in the interface of foam, cooling
Belong to material.
After carrying out performance test to the grapheme foam aluminum composite metal material prepared in embodiment, data are obtained such as
Shown in table 1.
Table 1
| Performance indications | Density（g/cm3） | Average pore size（mm） | Compression strength (MPa) |
| Embodiment one | 0.22 | 0.25 | 18 |
| Embodiment two | 0.18 | 0.61 | 17 |
| Embodiment three | 0.31 | 0.94 | 20 |
| Example IV | 0.25 | 0.15 | 21 |
| Embodiment five | 0.26 | 0.27 | 19 |
Claims (7)
1. a kind of grapheme foam aluminum composite metal material, it is characterised in that the composite material is by following parts by weight
Raw material is prepared：
Metallic aluminium powder 72-80 parts
Graphite powder 8-10 parts
Foaming agent 2-10 parts
Dispersant 1.5-5 parts
Intercalator 0.5-3 parts
Wherein, described metallic aluminium powder is high purity aluminum powder, Al-Mg alloy powder, aluminium copper powder, alumal powder and alusil alloy
One or more of blends of powder, the granularity of the metallic aluminium powder is 200-800 mesh；Described graphite powder is scale
At least one of graphite, expanded graphite, highly oriented graphite, thermal cracking graphite, graphite oxide；Described foaming agent is TiH2、
ZrH2、CaH2In one or more of mixtures；Described dispersant is oleamide, erucyl amide, polyadipate ethylene glycol
Ester, phthalic acid ester, citrate, acetyl citrate, one or more of mixtures of monoglyceride and pentaerythritol ester；
Described intercalator is graphene oxide quantum dot, graphene quantum dot, individual layer MoS2With one kind or several of individual layer black phosphorus material
Kind mixture；
The grapheme foam aluminum composite metal material, metallic aluminium powder and graphite powder are used as raw material, be blended and carry out with foaming agent
Foaming handles to obtain grapheme foam aluminum composite metal material, and specific method is as follows：
（1）By 8-10 parts by weight of graphite powder, 0.5-3 parts by weight of intercalant and 1.5-5 parts per weight dispersing agents in high-speed mixer
With the 600-1200rpm scattered 10-25min of rotating speed mixing, intercalation, stripping and decentralized processing are carried out to the graphite powder, obtained
Dispersed graphite alkene；
（2）By step（1）Obtained dispersed graphite alkene is added in vacuum tank jointly with 2-10 parts by weight foaming agents, and stirring is equal
It is even, obtain graphene/foaming agent mixed-powder；
（3）By step（2）Obtained graphene/foaming agent mixed-powder mixes with metallic aluminium powder described in 72-80 parts by weight, stirs
Mix uniformly, be then injected into grinding tool, first one-step forming, obtains structural member presoma after compacting；
（4）To the structural member presoma of the just one-step forming, using laser sintering process, the foaming agent in presoma is set uniformly to divide
Gas is liberated out, the expansion of gas enables aluminum alloy into foam-like, and graphene dispersion is obtained stone in the interface of foam, cooling
Black alkene foamed aluminium composite material.
A kind of 2. grapheme foam aluminum composite metal material according to claim 1, it is characterised in that：The high-speed mixer
Treatment temperature be arranged on 200-400 DEG C.
A kind of 3. grapheme foam aluminum composite metal material according to claim 1, it is characterised in that：Step（2）Described in
The material of vacuum tank is 304 stainless steels, vacuum 10-1000Pa.
A kind of 4. grapheme foam aluminum composite metal material according to claim 1, it is characterised in that：Step（2）In, it is described
Stir process speed of agitator be 100-600 revs/min.
A kind of 5. grapheme foam aluminum composite metal material according to claim 1, it is characterised in that：Step（2）In, it is described
Be stirred temperature less than 200 DEG C, prevent that foaming agent from decomposing reaction.
A kind of 6. grapheme foam aluminum composite metal material according to claim 1, it is characterised in that：Step（3）In, it is described
The method of compacting is compressed using 0.1-1MPa hydrostatic pressure, obtains structural member presoma.
A kind of 7. grapheme foam aluminum composite metal material according to claim 1, it is characterised in that：The laser sintered work
Skill is to use CO2Laser or Nd:YAG laser, the power of laser is 1-3KW, sweep speed 150-320mm/s.
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| CN108149047A (en) * | 2017-12-18 | 2018-06-12 | 孙祎 | A kind of preparation method of trepanning sound-absorbing foam aluminum |
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| CN111761061B (en) * | 2020-07-14 | 2022-07-19 | 广东科学技术职业学院 | 3D printing three-dimensional network structure graphite/metal composite material and atmospheric pressure casting infiltration preparation method thereof |
| CN113401890A (en) * | 2021-05-20 | 2021-09-17 | 重庆京宏源实业有限公司 | Preparation method of graphene quantum dot reinforced aluminum matrix composite |
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| CN113683087B (en) * | 2021-09-30 | 2022-03-04 | 昆明理工大学 | Surface modification method for expanded graphite in-situ deposition of nano metal particles |
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