CN107988504A - A kind of stratiform corrugated metal based composites and preparation method thereof - Google Patents
A kind of stratiform corrugated metal based composites and preparation method thereof Download PDFInfo
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- CN107988504A CN107988504A CN201711090393.XA CN201711090393A CN107988504A CN 107988504 A CN107988504 A CN 107988504A CN 201711090393 A CN201711090393 A CN 201711090393A CN 107988504 A CN107988504 A CN 107988504A
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- 239000002131 composite material Substances 0.000 title claims abstract description 49
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 40
- 239000002184 metal Substances 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000000919 ceramic Substances 0.000 claims abstract description 124
- 239000002245 particle Substances 0.000 claims abstract description 119
- 238000005266 casting Methods 0.000 claims abstract description 16
- 238000010146 3D printing Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000011156 metal matrix composite Substances 0.000 claims abstract 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 44
- 239000000203 mixture Substances 0.000 claims description 26
- 239000011230 binding agent Substances 0.000 claims description 20
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 11
- 238000005516 engineering process Methods 0.000 claims description 10
- 235000019353 potassium silicate Nutrition 0.000 claims description 8
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical group [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 6
- 239000011591 potassium Substances 0.000 claims description 6
- 229910052700 potassium Inorganic materials 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 5
- RGPUVZXXZFNFBF-UHFFFAOYSA-K diphosphonooxyalumanyl dihydrogen phosphate Chemical compound [Al+3].OP(O)([O-])=O.OP(O)([O-])=O.OP(O)([O-])=O RGPUVZXXZFNFBF-UHFFFAOYSA-K 0.000 claims description 4
- 229910052573 porcelain Inorganic materials 0.000 claims description 4
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 2
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 2
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 239000010962 carbon steel Substances 0.000 claims description 2
- 238000003763 carbonization Methods 0.000 claims description 2
- 239000008187 granular material Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 239000000155 melt Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 19
- 230000002708 enhancing effect Effects 0.000 abstract description 5
- 238000005245 sintering Methods 0.000 abstract description 4
- 238000005452 bending Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 abstract 1
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 9
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 229910000617 Mangalloy Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 230000010412 perfusion Effects 0.000 description 2
- 239000000161 steel melt Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-L Phosphate ion(2-) Chemical compound OP([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-L 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 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
- C22C1/10—Alloys containing non-metals
- C22C1/1005—Pretreatment of the non-metallic additives
- C22C1/1015—Pretreatment of the non-metallic additives by preparing or treating a non-metallic additive preform
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1005—Pretreatment of the non-metallic additives
- C22C1/1015—Pretreatment of the non-metallic additives by preparing or treating a non-metallic additive preform
- C22C1/1021—Pretreatment of the non-metallic additives by preparing or treating a non-metallic additive preform the preform being ceramic
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
- C22C1/1073—Infiltration or casting under mechanical pressure, e.g. squeeze casting
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of stratiform corrugated metal based composites and preparation method thereof, belong to field of metal matrix composite.The present invention prints stratiform waveform configuration enhancing particle precast body using 3D printing technique, then the pre- thermal sintering of precast body is put into the mould equipped with insulating layer and is preheated, and recycles the method casting metal melt of extrusion casint to prepare stratiform corrugated metal based composites.The problems such as stratiform corrugated metal based composites prepared by the method for the present invention can solve ceramics preparative body complex manufacturing process, the time is long, can increase the specific surface area of composite bed, the effective bending stiffness and impact property for improving material.
Description
Technical field
The present invention relates to a kind of stratiform corrugated metal based composites and preparation method thereof, belong to metal-base composites neck
Domain.
Background technology
With the fast development in epoch, global resources are gradually deficient, thus for self-lubricating, impact resistance, endurance,
The alternative materials of the excellent properties such as wear-resistant and high temperature resistant are in great demand.Metal-base composites have self-lubricating, it is wear-resistant,
The features such as intensity height, impact resistance and light weight, some even with metal and the excellent properties beyond plastics, has become
Manufacturing ideal material.
Chinese invention patent CN103317122A is pressed into steel after alumina ceramic grain is mixed with binder mixtures
The column structure of muscle formula, it is the columnar material of acquisition is arranged in parallel after sintering, poured into a mould through high-temperature molten steel and obtain reinforcing bar formula composite wood
Stock column, column structure are arranged in parallel within steel substrate.Such a method fixes columnar material difficulty, it is difficult to ensure that molten steel was poured into a mould
Column structural arrangement mode does not change in journey.
Chinese invention patent CN103343301A suppresses several grooves on metal mesh, and then ceramic particle is filled
In the groove of metal mesh, the shape of the quincuncial pile network distribution ceramic/metal composite material of preparation.Ceramic particle will be filled
Metal mesh installation sand mold casting mold cavity upper surface, melted substrate metal is then poured into sand mold casting mold
Interior, the quincuncial pile network distribution ceramic/metal that obtains separated after substrate metal cooling from sand mold casting mold is answered
Condensation material.This method makes blank complex procedures, and quincuncial pile distribution needs uniformly, not easy to operate.
Chinese invention patent CN104874768A prints the space structure plastic formwork of regular hexahedron using 3D printing technique,
Ceramic particle and binding agent are made into slurry perfusion to the gap section of space structure plastic formwork, then will irrigate the sky of slurry
Between structural plastic template high temperature sintering by plastics burn off, obtain ceramic particle precast body.Ceramic particle precast body is positioned over casting
In type, metallic matrix melt is added into casting mold, metal-base composites is prepared using pressure impregnation method.This method is deposited
In slurry perfusion there are ceramic particle skewness, plastics space structure easily makes blank the drawback such as cave in after sintering.
The content of the invention
For metal-base composites in the prior art there are the problem of, the present invention provides a kind of stratiform corrugated metal base and answers
Condensation material and preparation method thereof, the method for the present invention utilizes 3D printing techniques, to overcome labyrinth in metal-base composites
Ceramics preparative body the problem of being not easy to prepare.
A kind of preparation method of stratiform corrugated metal based composites, comprises the following steps that：
（1）Stratiform stereochemical structure model is drawn out using mapping software：The outside diameter in structure section is 86 ~ 88mm of φ, internal diameter φ 81 ~
83mm, thickness are the hollow out block of 15 ~ 20mm, and the inside of hollow out block is upper 9 ~ 11mm of the length of side, 18 ~ 22mm of the lower length of side, side
With horizontal line acute angle it is at 45 ° ~ 65 ° of waveform configuration；
（2）By step（1）Gained stratiform stereochemical structure model import 3D printer software kit, to stratiform stereochemical structure model into
Row slicing treatment, then sprays curing technology using profile scan, and ceramic particle mixture, binding agent are carried out 3D printing Cheng Bo
The ceramic particle precast body of shape structure, the wherein layer thickness of slicing treatment are 0.05 ~ 0.1mm, and wall thickness is 1.6 ~ 2mm, 3D printing
Packed density 30% ~ 40%, 30 ~ 40mm/s of print speed；
（3）By step（2）Gained ceramic particle precast body is placed in the mould equipped with ceramic tube insulating layer, is preheated to temperature and is
500 ~ 1000 DEG C and 60 ~ 90min of insulation；
（4）By step（3）The ceramic tube insulating layer and ceramic particle precast body of isothermal holding are placed in casting mold cavity, are in pressure
Casting metal melt under conditions of 5 ~ 50MPa, cools down up to stratiform corrugated metal based composites；
The step（2）Ceramic particle mixture is that particle diameter is the Zirconia reinforced alumina ceramic of 50 ~ 120 mesh, aluminium oxide pottery
Porcelain, tungsten carbide ceramics, one kind of titanium carbide ceramic or arbitrarily than a variety of, wherein in terms of mass fraction, particle diameter is the pottery of 50 ~ 70 mesh
Porcelain particle accounts for 10 ~ 20%, and particle diameter accounts for 18 ~ 32% for the ceramic particle of 90 ~ 100 mesh, and particle diameter accounts for 10 for the ceramic particle of 100 ~ 120 mesh
~ 20%, the ceramic particle of the mesh of particle diameter -120 is not more than 5%, and surplus is the ceramic particle of 70 ~ 90 mesh of particle diameter；Binding agent is waterglass
Or aluminium dihydrogen phosphate；
The step（3）The thickness of middle ceramic tube insulating layer is 10 ~ 12 mm, a diameter of 90 mm of φ；
The step（4）Middle metal bath is the molten of ordinary carbon steel, steel alloy, potassium steel, aluminium alloy, nickel alloy or magnesium alloy
Body；
The ceramic particle of the mesh of particle diameter -120 was 120 mesh sieves, its ceramic particle under sieving；
The ceramic particle precast body print procedure of the present invention is sprayed ceramic particle and is mixed respectively using profile scan injection curing technology
Compound and binding agent, accurately jet binder is completed on the ceramic particle mixture of compacting in each layer.
Beneficial effects of the present invention：
（1）It is prefabricated that the method for the present invention using 3D printing techniques can directly prepare the ceramic particle with Complicated Spatial Structure
Body, while the accurately shape of control ceramic particle precast body, is effectively improved traditional precast body ceramics in the filling process
Grain fails all using so as to wasting situation；Meanwhile the technological process in composite material preparation process can be shortened, improve
Efficiency, is conducive to produce in batches；
（2）The method of the present invention changes by varying the proportioning of ceramic particle granularity, controls the gap size of its particle and particle, leads to
The mode of 3D printing is crossed, particle voids in precast body is evenly distributed, is conducive to metal bath and is infiltrated up to by gap in particle
Between, improve the infiltration depth and composite effect of composite material；
（3）Waveform structural composite material adds the specific surface area of recombination region interface in the present invention, meanwhile, waveform configuration can carry
The high buffering to external force；Under equal operating mode, compared with general layer shape composite material, the development trend of crackle can be reduced, is made multiple
The bending stiffness and impact property of condensation material are improved significantly.
Brief description of the drawings
Fig. 1 is the two-dimensional structure schematic diagram of stratiform waveform configuration ceramic particle precast body of the present invention；
Fig. 2 is the 3-D solid structure schematic diagram of stratiform waveform configuration composite material of the present invention.
Embodiment
The present invention is described in further detail with reference to embodiment, but protection scope of the present invention and unlimited
In the content.
Embodiment 1：A kind of preparation method of stratiform corrugated metal based composites, comprises the following steps that：
（1）Stratiform stereochemical structure model is drawn out using mapping software：The outside diameter in structure section is φ 87mm, internal diameter φ 82mm,
Thickness is the hollow out block of 17mm, and the inside of hollow out block is upper length of side 9mm, and lower length of side 20mm, side is pressed from both sides with horizontal line acute angle
Angle waveform configuration at 45 °；
（2）By step（1）Gained stratiform stereochemical structure model import 3D printer software kit, to stratiform stereochemical structure model into
Row slicing treatment, then sprays curing technology, by ceramic particle mixture using profile scan（Ceramic particle mixture is particle diameter
For the aluminium oxide ceramics of 50 ~ 120 mesh）, binding agent（Binding agent is waterglass）3D printing is carried out into the ceramic particle of waveform configuration
The layer thickness of precast body, wherein slicing treatment is 0.05mm, wall thickness 2mm, the packed density 35% of 3D printing, print speed
40mm/s；Ceramic particle precast body print procedure sprays ceramic particle mixture respectively using profile scan injection curing technology
（Particle diameter is the aluminium oxide ceramics of 50 ~ 120 mesh）And binding agent（Waterglass）, the ceramic particle mixture of compacting is completed in each layer
（Aluminium oxide ceramics）On accurately jet binder（Waterglass）；In terms of mass fraction, particle diameter is the ceramic particle of 50 ~ 70 mesh
（Aluminium oxide ceramics）15% is accounted for, particle diameter is the ceramic particle of 90 ~ 100 mesh（Aluminium oxide ceramics）30% is accounted for, particle diameter is 100 ~ 120 purposes
Ceramic particle（Aluminium oxide ceramics）20% is accounted for, the ceramic particle of the mesh of particle diameter -120（Aluminium oxide ceramics）Account for 3%, surplus for particle diameter 70 ~
The ceramic particle of 90 mesh（Aluminium oxide ceramics）；
（3）By step（2）Gained ceramic particle precast body stands 10min, is subsequently placed in the mould equipped with ceramic tube insulating layer,
Temperature is preheated to as 1000 DEG C and keeps the temperature 60min；Wherein the thickness of ceramic tube insulating layer is 10mm, a diameter of φ 90mm；
（4）By step（3）The ceramic tube insulating layer and ceramic particle precast body of isothermal holding are placed in casting mold cavity, are in pressure
Casting metal melt under conditions of 5MPa（Metal bath is potassium steel melt）, cool down up to stratiform corrugated metal based composites
（Alumina particle strengthens base steel composite material）；
The Al in three-body abrasive wear test2O3Particle enhancing high manganese steel base composite material wearability is substantially better than the resistance to of potassium steel
Mill property, and as the extension of wearing- in period, the relative wear resistance of composite material are continuously improved.Ground in 2 kg load, 120 min
The relative wear resistance of composite material is 1.41 times of potassium steel under the conditions of damage, compound under 5 kg load, 120 min abrasive conditions
The relative wear resistance of material is 1.29 times of potassium steel；The abrasive test of different loads is contrasted, is found compared with low load bar
Al under part2O3Particle enhancing high manganese steel base composite material relative wear resistance is higher.
Embodiment 2：A kind of preparation method of stratiform corrugated metal based composites, comprises the following steps that：
（1）Stratiform stereochemical structure model is drawn out using mapping software：The outside diameter in structure section is φ 88mm, internal diameter φ 83mm,
Thickness is the hollow out block of 15mm, and the inside of hollow out block is upper length of side 10mm, and lower length of side 22mm, side is pressed from both sides with horizontal line acute angle
Angle is into 50 ° of waveform configuration；
（2）By step（1）Gained stratiform stereochemical structure model import 3D printer software kit, to stratiform stereochemical structure model into
Row slicing treatment, then sprays curing technology, by ceramic particle mixture using profile scan（Ceramic particle mixture is particle diameter
For the Zirconia reinforced alumina ceramic of 50 ~ 120 mesh）, binding agent（Binding agent is aluminium dihydrogen phosphate）3D printing is carried out into waveform
The ceramic particle precast body of structure, the wherein layer thickness of slicing treatment are 0.1mm, wall thickness 1.6mm, the packed density of 3D printing
30%, print speed 30mm/s；Ceramic particle precast body print procedure is made pottery using profile scan injection curing technology, respectively injection
Porcelain granulate mixture（Particle diameter is the Zirconia reinforced alumina ceramic of 50 ~ 120 mesh）And binding agent（Aluminium dihydrogen phosphate）, each
Layer completes the ceramic particle mixture of compacting（Zirconia reinforced alumina ceramic）On accurately jet binder（Biphosphate
Aluminium）；In terms of mass fraction, particle diameter is the ceramic particle of 50 ~ 70 mesh（Zirconia reinforced alumina ceramic）Account for 10%, particle diameter for 90 ~
The ceramic particle of 100 mesh（Zirconia reinforced alumina ceramic）18% is accounted for, particle diameter is the ceramic particle of 100 ~ 120 mesh（Zirconium oxide increases
Tough aluminium oxide ceramics）15% is accounted for, the ceramic particle of the mesh of particle diameter -120（Zirconia reinforced alumina ceramic）2% is accounted for, surplus is particle diameter
The ceramic particle of 70 ~ 90 mesh（Zirconia reinforced alumina ceramic）；
（3）By step（2）Gained ceramic particle precast body stands 13min, is subsequently placed in the mould equipped with ceramic tube insulating layer,
Temperature is preheated to as 900 DEG C and keeps the temperature 80min；Wherein the thickness of ceramic tube insulating layer is 12mm, a diameter of φ 90mm；
（4）By step（3）The ceramic tube insulating layer and ceramic particle precast body of isothermal holding are placed in casting mold cavity, are in pressure
Casting metal melt under conditions of 10MPa（Metal bath is steel alloy 40Cr steel melts）, cool down up to stratiform corrugated metal base
Composite material（ZTA particle reinforced steel-base composite materials）；
ZTA particles enhancing 40Cr based composites wearabilities are substantially better than the wear-resisting of 40Cr steel in three-body abrasive wear test
Property, and as the extension of wearing- in period, the relative wear resistance of composite material are continuously improved.Worn in 2 kg load, 120 min
Under the conditions of the relative wear resistance of composite material be 1.82 times of 40Cr steel, the composite wood under 5 kg load, 120 min abrasive conditions
The relative wear resistance of material is 2.51 times of 40Cr steel.The abrasive test of different loads is contrasted, is found in high load condition
Lower ZTA particles enhancing 40Cr base steel composite material relative wear resistances are higher.
Embodiment 3：A kind of preparation method of stratiform corrugated metal based composites, comprises the following steps that：
（1）Stratiform stereochemical structure model is drawn out using mapping software：The outside diameter in structure section is φ 86mm, 81 mm of internal diameter φ,
Thickness is the hollow out block of 20mm, and the inside of hollow out block is upper length of side 11mm, and lower length of side 22mm, side is pressed from both sides with horizontal line acute angle
Angle is into 65 ° of waveform configuration；
（2）By step（1）Gained stratiform stereochemical structure model import 3D printer software kit, to stratiform stereochemical structure model into
Row slicing treatment, then sprays curing technology, by ceramic particle mixture using profile scan（Ceramic particle mixture is particle diameter
For the tungsten carbide ceramics of 50 ~ 120 mesh and the mixture of titanium carbide ceramic）, binding agent（Binding agent is waterglass）Carry out 3D printing
Into the ceramic particle precast body of waveform configuration, the wherein layer thickness of slicing treatment is 0.08mm, wall thickness 1.8mm, 3D printing
Packed density 40%, print speed 35mm/s；Ceramic particle precast body print procedure is divided using profile scan injection curing technology
Pen She not ceramic particle mixture（Particle diameter is the tungsten carbide ceramics of 50 ~ 120 mesh and the mixture of titanium carbide ceramic）And binding agent
（Waterglass）, the ceramic particle mixture of compacting is completed in each layer（The mixture of tungsten carbide ceramics and titanium carbide ceramic）Upper essence
True ground jet binder（Waterglass）；In terms of mass fraction, particle diameter is the ceramic particle of 50 ~ 70 mesh（Tungsten carbide ceramics and carbonization
The mixture of titanium ceramics）20% is accounted for, particle diameter is the ceramic particle of 90 ~ 100 mesh（The mixture of tungsten carbide ceramics and titanium carbide ceramic）
32% is accounted for, particle diameter is the ceramic particle of 100 ~ 120 mesh（The mixture of tungsten carbide ceramics and titanium carbide ceramic）10% is accounted for, particle diameter -120
Purpose ceramic particle（The mixture of tungsten carbide ceramics and titanium carbide ceramic）5% is accounted for, surplus is the ceramic particle of 70 ~ 90 mesh of particle diameter
（The mixture of tungsten carbide ceramics and titanium carbide ceramic）；
（3）By step（2）Gained ceramic particle precast body stands 15min, is subsequently placed in the mould equipped with ceramic tube insulating layer,
Temperature is preheated to as 500 DEG C and keeps the temperature 90min；Wherein the thickness of ceramic tube insulating layer is 11mm, a diameter of φ 90mm；
（4）By step（3）The ceramic tube insulating layer and ceramic particle precast body of isothermal holding are placed in casting mold cavity, are in pressure
Casting metal melt under conditions of 50MPa（Metal bath is aluminium alloy melt）, cool down up to stratiform corrugated metal base composite wood
Material（Tungsten carbide/titanium carbide ceramic particle enhanced aluminum-based composite material）；
Hybrid ceramic particle enhanced aluminum-based composite material wearability is substantially better than the resistance to of aluminium alloy in three-body abrasive wear test
Mill property, and as the extension of wearing- in period, the relative wear resistance of composite material are continuously improved.Ground in 2 kg load, 120 min
The relative wear resistance of composite material is 2.73 times of aluminium alloy under the conditions of damage, compound under 5 kg load, 120 min abrasive conditions
The relative wear resistance of material is 3.24 times of aluminium alloy.The abrasive test of different loads is contrasted, is found in high stress load
Under the conditions of hybrid ceramic particle enhanced aluminum-based composite material relative wear resistance it is higher.
Claims (5)
1. a kind of preparation method of stratiform corrugated metal based composites, it is characterised in that comprise the following steps that：
（1）Stratiform stereochemical structure model is drawn out using mapping software：The outside diameter in structure section is 86 ~ 88mm of φ, internal diameter φ 81 ~
83mm, thickness are the hollow out block of 15 ~ 20mm, and the inside of hollow out block is upper 9 ~ 11mm of the length of side, 18 ~ 22mm of the lower length of side, side
With horizontal line acute angle it is at 45 ° ~ 65 ° of waveform configuration；
（2）By step（1）Gained stratiform stereochemical structure model import 3D printer software kit, to stratiform stereochemical structure model into
Row slicing treatment, then sprays curing technology using profile scan, and ceramic particle mixture, binding agent are carried out 3D printing Cheng Bo
The ceramic particle precast body of shape structure, the wherein layer thickness of slicing treatment are 0.05 ~ 0.1mm, and wall thickness is 1.6 ~ 2mm, 3D printing
Packed density 30% ~ 40%, 30 ~ 40mm/s of print speed；
（3）By step（2）Gained ceramic particle precast body is placed in the mould equipped with ceramic tube insulating layer, is preheated to temperature and is
500 ~ 1000 DEG C and 60 ~ 90min of insulation；
（4）By step（3）The ceramic tube insulating layer and ceramic particle precast body of isothermal holding are placed in casting mold cavity, are in pressure
Casting metal melt under conditions of 5 ~ 50MPa, cools down up to stratiform corrugated metal based composites.
2. the preparation method of stratiform corrugated metal based composites according to claim 1, it is characterised in that：Step（2）Pottery
Porcelain granulate mixture is the Zirconia reinforced alumina ceramic that particle diameter is 50 ~ 120 mesh, aluminium oxide ceramics, tungsten carbide ceramics, carbonization
One kind of titanium ceramics or arbitrarily than a variety of, wherein in terms of mass fraction, particle diameter accounts for 10 ~ 20% for the ceramic particle of 50 ~ 70 mesh, grain
Footpath accounts for 18 ~ 32% for the ceramic particle of 90 ~ 100 mesh, and particle diameter accounts for 10 ~ 20% for the ceramic particle of 100 ~ 120 mesh, the purpose of particle diameter -120
Ceramic particle is not more than 5%, and surplus is the ceramic particle of 70 ~ 90 mesh of particle diameter；Binding agent is waterglass or aluminium dihydrogen phosphate.
3. the preparation method of stratiform corrugated metal based composites according to claim 3, it is characterised in that：Step（3）In
The thickness of ceramic tube insulating layer is 10 ~ 12 mm, a diameter of 90 mm of φ.
4. the preparation method of stratiform corrugated metal based composites according to claim 1, it is characterised in that：Step（4）In
Metal bath is the melt of ordinary carbon steel, steel alloy, potassium steel, aluminium alloy, nickel alloy or magnesium alloy.
5. the stratiform waveform gold prepared by the preparation method of the layered corrugated metal based composites of any one of claim 1 ~ 4
Metal-matrix composite material.
Priority Applications (1)
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| CN112226640A (en) * | 2020-09-11 | 2021-01-15 | 江苏科技大学 | Preparation method of ceramic particle reinforced metal matrix composite material |
| CN115383108A (en) * | 2022-09-13 | 2022-11-25 | 昆明理工大学 | Three-dimensional structure metal matrix composite prefabricated body based on 3D printing and preparation method thereof |
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