CN108396165A - A kind of three-dimensional shell ceramic skeleton-metal-base composites and preparation method thereof - Google Patents
A kind of three-dimensional shell ceramic skeleton-metal-base composites and preparation method thereof Download PDFInfo
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- CN108396165A CN108396165A CN201810250882.5A CN201810250882A CN108396165A CN 108396165 A CN108396165 A CN 108396165A CN 201810250882 A CN201810250882 A CN 201810250882A CN 108396165 A CN108396165 A CN 108396165A
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- 239000000919 ceramic Substances 0.000 title claims abstract description 83
- 239000002131 composite material Substances 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 24
- 229910052751 metal Inorganic materials 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 19
- 239000011159 matrix material Substances 0.000 claims abstract description 15
- 238000005245 sintering Methods 0.000 claims abstract description 15
- 239000000843 powder Substances 0.000 claims description 24
- 239000004033 plastic Substances 0.000 claims description 17
- 229920003023 plastic Polymers 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 8
- 238000010146 3D printing Methods 0.000 claims description 7
- 239000011230 binding agent Substances 0.000 claims description 7
- 238000005266 casting Methods 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 5
- 238000011960 computer-aided design Methods 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 239000004615 ingredient Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 229910015136 FeMn Inorganic materials 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052681 coesite Inorganic materials 0.000 claims description 3
- 229910052593 corundum Inorganic materials 0.000 claims description 3
- 229910052906 cristobalite Inorganic materials 0.000 claims description 3
- 235000019353 potassium silicate Nutrition 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 229910052682 stishovite Inorganic materials 0.000 claims description 3
- 229910052905 tridymite Inorganic materials 0.000 claims description 3
- 239000002383 tung oil Substances 0.000 claims description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims description 2
- 230000008595 infiltration Effects 0.000 abstract description 7
- 238000001764 infiltration Methods 0.000 abstract description 7
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000009826 distribution Methods 0.000 abstract description 3
- 230000002195 synergetic effect Effects 0.000 abstract description 2
- 239000011156 metal matrix composite Substances 0.000 abstract 1
- 230000000737 periodic effect Effects 0.000 abstract 1
- 230000002787 reinforcement Effects 0.000 abstract 1
- 239000011257 shell material Substances 0.000 description 44
- 239000000463 material Substances 0.000 description 9
- 239000002245 particle Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000009716 squeeze casting Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a kind of three-dimensional shell ceramic skeleton metal-base composites and preparation method thereof, belong to field of metal matrix composite.The structure of three-dimensional shell ceramic skeleton metal-base composites of the present invention is：Inside and outside in three-dimensional shell ceramic skeleton is filled with metallic matrix, wherein the three-dimensional generally hollow shell structure of shell ceramic skeleton, spherical in shape, cylindrical at the interpenetrating Column border node or square bodily form, three-dimensional shell ceramic skeleton wall thickness is 0.5 ~ 3mm.The method of the invention effectively improves the molten metal problem difficult with ceramic phase reinforcement infiltration, and pure matrix is wrapped in shell, does not lose the plasticity and toughness of composite material while possessing superior abrasion resistance.Shape is spherical, cylindrical and square at skeleton node, is in periodic distribution, and can provide certain bonding strength when sintering, has played skeleton structure and the synergistic effect of matrix to greatest extent；Composite material of the present invention is expected to be used for fretting wear operating mode field.
Description
Technical field
The present invention relates to a kind of three-dimensional shell ceramic skeleton-metal-base composites and preparation method thereof, belong to Metal Substrate
Field of compound material.
Background technology
Ceramic particle reinforced metal base composites show various excellent performances, and wherein ceramic particle is evenly distributed on
Composite material in metallic matrix has been not suitable for special operation condition.And develop the ceramics preparative body enhancing for possessing specific structure
Metal-base composites has been what the trend requires, can play the synergistic effect of ceramics and metallic matrix to greatest extent.But it is long-term
Since molten metal and ceramics preparative body infiltration is difficult, ceramic-metal based composites plasticity and toughness differences and complicated ceramic structure
The problems such as prepared by design, is all the worry for being engaged in metal-base composites researchers.And need assistant officer's difficulty to be solved
Topic.
Chinese patent CN104874768A discloses the method that 3D printing space structure prepares configuration composite material, this method
It may be implemented to accurately control the preparation with the space structure composite material of wide variation.But ceramic skeleton prepared by this method is burnt
It is easy to fall apart when knot process and casting metals liquid.There is certain infiltration depth at ceramics preparative body node, and depth distribution is uneven
Even, metal infiltration is difficult, be easy to cause recombination region and generates defect, leads to the plasticity and toughness degradation of composite material, and squeeze casting
It makes of high cost.
Chinese patent CN101912957A discloses network interpenetrating type ceramics-metal-base composites and preparation method thereof,
SiC holder ceramics muscle 5 ~ 10mm of diameter prepared by this method, at holder right-angled intersection node and the infiltration thickness of muscle is inconsistent,
Molten metal is difficult to be infiltrated up to ceramic muscle center portion under normal pressure.And wax-pattern prepare holder repeatability it is poor, efficiency is low.
Invention content
The purpose of the present invention is to provide a kind of three-dimensional shell ceramic skeleton-metal-base composites, structure is：Three
It ties up the inside and outside of shell ceramic skeleton and is filled with metallic matrix, wherein three-dimensional shell ceramic skeleton generally hollow shell knot
Structure, spherical in shape, cylindrical at the interpenetrating Column border node or square bodily form, three-dimensional shell ceramic skeleton wall thickness is 0.5 ~ 3mm.
The outer diameter of the sphere nodes is 3 ~ 8mm；The cylindrical a height of 5 ~ 10mm of node, outer diameter are 3 ~ 8mm；Square bodily form section
The point length of side is 3 ~ 8mm；The outer diameter of 6 ~ 10mm of interpenetrating column length, mutual prick post are 3 ~ 5mm.
Another object of the present invention is to provide a kind of preparation sides of three-dimensional shell ceramic skeleton-metal-base composites
Method, mainly solving molten metal, difficult, ceramic-metal composite material plasticity and toughness difference and ceramics preparative body hold with the infiltration of ceramics preparative body
The problem of easily falling apart, specifically includes following steps：
（1）Go out skeleton pattern in conjunction with CAD Computer Aided Designs, using 3D printing Slice Software to model slice processing, prints plastics
（PLA, ABS or nylon）Material skeleton pattern.
（2）To step（1）Obtained plastic skeleton carries out multiple hanging processing, and the thickness of pulp layer is made to reach 0.5 ~ 3mm,
Dry solidification, the ingredient of slurry and content are in hanging processing procedure：Ceramic powder accounts for 20 ~ 50wt%, and metal powder accounts for 30 ~ 60wt%,
3 ~ 8wt% of binder, rest part are water.
（3）To step（2）In hang up properly the plastic skeleton sintering processes of slurry.
（4）By step（3）Obtained three-dimensional shell ceramic skeleton is emitted into the casting mold of required shape, pours into a mould parent metal
Liquid obtains three-dimensional shell ceramic skeleton-metal-base composites.
Step of the present invention（2）Described in ceramic powder be Al2O3、SiO2, one kind in ZrN, HfC, grain size is 120 ~ 200 mesh.
Step of the present invention（2）Described in metal powder be that reduced iron powder, one or more of Cr, FeMn, Co, Ni or Al are pressed
Arbitrary proportion mixes, and grain size is 150 ~ 250 mesh.
Step of the present invention（2）Described in binder be waterglass, PVA, tung oil, one kind in epoxy resin+ethylenediamine or
It is several to mix in any proportion.
Parent metal liquid of the present invention is one kind in ZGMn13, ZG65Mn, 3Cr13.
Step of the present invention（3）Middle sintering is divided into two stages：1. plastic skeleton burn off, 200 ~ 850 DEG C of sintering temperature, heating
3 ~ 5 DEG C/min of rate, the 2. intensified-sintered molding of three-dimensional shell ceramic skeleton, 850 ~ 1500 DEG C of sintering temperature, heating rate 5 ~ 10
DEG C/min, until keeping the temperature 30 ~ 60min at 1500 DEG C.
Beneficial effects of the present invention：
（1）The method of the invention production cost is low, and the cast of molten metal is completed under normal pressure, without pressure or condition of negative pressure, phase
Equipment cost is reduced for extrusion casint.
（2）The shapes and sizes that skeleton is accurately controlled in conjunction with 3D printing comply with the extension production of product；Pass through first
Frame configuration needed for CAD software Computer Aided Design imports in 3D printer and prints corresponding plastic skeleton, good forming effect
Precision is high, can press preset structure completely and generate, and repeatability and production efficiency are high.
（3）Ceramic skeleton in rule orderly distribution in the base, reduce to greatest extent it is possible that ceramic particle
The failure damage that stress concentration is brought caused by bonding；Interlocking structure is formed with matrix, the germinating of crackle is hindered, gives full play to pottery
The excellent properties of porcelain and matrix；And since shell skeleton is thin-wall construction, the metal powder fusing added in skeleton when casting increases
Add porosity, molten metal infiltration to be easy, infiltrates deep equality, and form the composite wood for being wrapped with pure parent metal in shell
Material, does not lose the plasticity and toughness of composite material while possessing certain wearability.At ceramic skeleton node for ball, ring-shaped cylinder or
One kind in pros having mutual prick post certain supporting role, structure to be not easy to collapse in sintering process.The material is expected to be applied to
Fretting wear field.
Description of the drawings
Fig. 1 is that the structure and morphology diagram of three-dimensional shell ceramic skeleton-metal-base composites is intended to；
Fig. 2 is three-dimensional shell ceramic skeleton schematic diagram.
In Fig. 2：A- nodes, the mutual prick posts of b-.
Specific implementation mode
It further illustrates with reference to the accompanying drawings and detailed description, but protection scope of the present invention is not limited in described
Hold.
Embodiment 1
The structure of the present embodiment three-dimensional shell ceramic skeleton-metal-base composites is：In the inside of three-dimensional shell ceramic skeleton
It is filled with metallic matrix with outside, wherein three-dimensional shell ceramic skeleton is in column interpenetrating structure, and skeleton sheet is as with certain wall thickness
Hollow structure, spherical in shape at interpenetrating Column border node, the outer diameter of sphere nodes is 5mm；The outer diameter of mutual prick post is 3mm, long 6mm；Three
Dimension shell ceramic skeleton wall thickness is 1mm.
The preparation method of three-dimensional shell ceramic skeleton-metal-base composites, specifically includes following step described in the present embodiment
Suddenly：
（1）Go out skeleton pattern in conjunction with CAD Computer Aided Designs, using 3D printing Slice Software to model slice processing, prints thickness
The plastic skeleton model of PLA materials is made in 0.1mm.
（2）To step（1）Obtained three-dimensional plastic skeleton carries out multiple hanging processing, and the thickness of pulp layer is made to reach 1mm,
Use CO2Gas drying solidification；The ingredient of slurry and content are in hanging processing procedure：Ceramic powder（120 mesh Al2O3）Account for 20wt%；
Metal powder（150 mesh Al powder+reduced iron powder+Cr powder）40wt% is accounted for, Al powder wherein in metal powder：Reduced iron powder：Powder=1 Cr:7:2；
Binder（Waterglass+1wt% epoxy resin and ethylenediamine）5wt% is accounted for, rest part is water.
（3）By step（2）Obtained skeleton moves in sintering furnace, 200 ~ 850 DEG C of burn off Inner plastic skeletons that gradually heat up
（Dumping）, wherein 200 ~ 650 DEG C of heating rates, 3 DEG C/min, until 650 DEG C of whens, keep the temperature 20min, 650 ~ 850 DEG C of 5 DEG C of heating rates/
Min, PLA skeleton are by burn off, the intensified-sintered processing of 850 ~ 1500 DEG C of progress shell ceramic skeletons, 850 ~ 1050 DEG C of heating rates
10 DEG C/min, 1050 ~ 1250 DEG C of heating rates, 6 DEG C/min, 1250 ~ 1500 DEG C of heating rates, 4 DEG C/min, until 1500 DEG C of whens keep the temperature
30min makes skeleton possess some strength.
（4）By step（3）Obtained three-dimensional shell ceramic skeleton is emitted into the casting mold of required shape, pours into a mould ZGMn13 steel
Liquid obtains three-dimensional shell ceramic skeleton-metal-base composites.
The material structure that the present embodiment the method is prepared is fine and close, has both the good plasticity and toughness of matrix and ceramic particle
Excellent wearability is suitble to use under the operating mode for the abrasion that is hit.
Embodiment 2
The structure of the present embodiment three-dimensional shell ceramic skeleton-metal-base composites is：In the inside of three-dimensional shell ceramic skeleton
It is filled with metallic matrix with outside, wherein three-dimensional shell ceramic skeleton is in column interpenetrating structure, and skeleton sheet is as with certain wall thickness
Hollow structure, it is cylinder at interpenetrating Column border node, wherein the cylindrical a height of 6mm of node, outer diameter 6mm；The outer diameter of mutual prick post
For 4mm, long 8mm；Three-dimensional shell ceramic skeleton wall thickness is 2mm.
The preparation method of three-dimensional shell ceramic skeleton-metal-base composites, specifically includes following step described in the present embodiment
Suddenly：
（1）Go out skeleton pattern in conjunction with CAD Computer Aided Designs, using 3D printing Slice Software to model slice processing, prints thickness
The plastic skeleton model of ABS materials is made in 0.15mm.
（2）To step（1）Obtained plastic skeleton model carries out multiple hanging processing, and the thickness of pulp layer is made to reach 2mm,
Use CO2Gas drying cures, and the ingredient of slurry and content are in hanging processing procedure：Ceramic powder（200 mesh SiO2）30wt% is accounted for, gold
Belong to powder（200 mesh FeMn）Account for 45wt%, binder（PVA+0.8wt% epoxy resin and ethylenediamine）6wt% is accounted for, rest part is water.
（3）By step（2）Obtained skeleton moves in sintering furnace, 200 ~ 850 DEG C of burn off Inner plastic skeletons that gradually heat up
（Dumping）, 5 DEG C/min of heating rate forms low intensive shell skeleton.The reinforcing of 850 ~ 1500 DEG C of progress shell ceramic skeletons
Sintering, 850 ~ 1250 DEG C of heating rates, 8 DEG C/min, 1250 ~ 1500 DEG C of heating rates, 3 DEG C/min, until 1500 DEG C of whens keep the temperature
40min makes shell skeleton have some strength.
（4）By step（3）Obtained three-dimensional shell ceramic skeleton is emitted into the casting mold of required shape, pours into a mould ZG65Mn steel
Liquid obtains three-dimensional shell ceramic skeleton-metal-base composites.
The material structure that the present embodiment the method is prepared is fine and close, has both the good plasticity and toughness of matrix and ceramic particle
Excellent wearability is suitble to use under the operating mode for the abrasion that is hit.
Embodiment 3
The structure of the present embodiment three-dimensional shell ceramic skeleton-metal-base composites is：In the inside of three-dimensional shell ceramic skeleton
It is filled with metallic matrix with outside, wherein three-dimensional shell ceramic skeleton is in column interpenetrating structure, and skeleton sheet is as hollow structure, mutually
In the square bodily form at prick post node, wherein the square bodily form node length of side is 6mm, the outer diameter of mutual prick post is 5mm, column length 10mm；Three
Dimension shell ceramic skeleton wall thickness is 3mm.
The preparation method of three-dimensional shell ceramic skeleton-metal-base composites, specifically includes following step described in the present embodiment
Suddenly：
（1）Go out skeleton pattern in conjunction with CAD Computer Aided Designs, using 3D printing Slice Software to model slice processing, prints thickness
The plastic skeleton model of nylon material is made in 0.2mm.
（2）To step（1）Obtained three-dimensional shell ceramic skeleton carries out multiple hanging processing, and the thickness of pulp layer is made to reach
3mm is dried up with hair-dryer and is cured, and the ingredient of slurry and content are in hanging processing procedure：Ceramic powder（200 mesh ZrN）It accounts for
50wt%, metal powder（250 mesh Co+Ni）Account for 30wt%, binder（Tung oil+0.5wt% epoxy resin and ethylenediamine）8wt% is accounted for,
Remaining part is divided into water.
（3）By step（2）Obtained skeleton moves in sintering furnace, 200 ~ 850 DEG C of burn off Inner plastic skeletons that gradually heat up
（Dumping）, 5 DEG C/min of heating rate forms low intensive shell skeleton；The reinforcing of 850 ~ 1500 DEG C of progress shell ceramic skeletons
Sintering, wherein 850 ~ 1250 DEG C of heating rates, 10 DEG C/min, 1250 ~ 1500 DEG C of heating rates, 5 DEG C/min, until 1500 DEG C of whens protect
Warm 60min makes shell skeleton have some strength.
（4）By step（3）Obtained three-dimensional shell ceramic skeleton is emitted into the casting mold of required shape, pours into a mould 3Cr13 steel
Liquid obtains three-dimensional shell ceramic skeleton-metal-base composites.
The material structure that the present embodiment the method is prepared is fine and close, has both the good plasticity and toughness of matrix and ceramic particle
Excellent wearability is suitble to use under the operating mode by fretting wear.
Claims (8)
1. a kind of three-dimensional shell ceramic skeleton-metal-base composites, it is characterised in that：In the inside of three-dimensional shell ceramic skeleton
It is filled with metallic matrix with outside, wherein three-dimensional shell ceramic skeleton generally hollow shell structure is in ball at interpenetrating Column border node
Shape, cylinder or the square bodily form, three-dimensional shell ceramic skeleton wall thickness are 0.5 ~ 3mm.
2. three-dimensional shell ceramic skeleton-metal-base composites according to claim 1, it is characterised in that：Sphere nodes
Outer diameter is 3 ~ 8mm；The cylindrical a height of 5 ~ 10mm of node, outer diameter are 3 ~ 8mm；The square bodily form node length of side is 3 ~ 8mm；Interpenetrating column length
The outer diameter of 6 ~ 10mm, mutual prick post are 3 ~ 5mm.
3. the preparation method of three-dimensional shell ceramic skeleton-metal-base composites described in claims 1 or 2, which is characterized in that tool
Body includes the following steps：
（1）Go out skeleton pattern in conjunction with CAD Computer Aided Designs, using 3D printing Slice Software to model slice processing, prepares plastics
Skeleton pattern；
（2）To step（1）Obtained plastic skeleton model carries out multiple hanging processing, and the thickness of pulp layer is made to reach 0.5 ~ 3mm,
Dry solidification later, the ingredient of slurry and content are in hanging processing procedure：Ceramic powder accounts for 20 ~ 50wt%, and metal powder accounts for 30 ~
60wt%, 3 ~ 8wt% of binder, rest part are water；
（3）To step（2）In hang up properly ceramics-plastic skeleton sintering processes of slurry；
（4）By step（3）Obtained three-dimensional shell ceramic skeleton is emitted into the casting mold of required shape, and cast parent metal liquid obtains
To three-dimensional shell ceramic skeleton-metal-base composites.
4. the preparation method of three-dimensional shell ceramic skeleton-metal-base composites according to claim 3, it is characterised in that：
Step（2）Described in ceramic powder be Al2O3、SiO2, one kind in ZrN, HfC, grain size is 120 ~ 200 mesh.
5. the preparation method of three-dimensional shell ceramic skeleton-metal-base composites according to claim 3, it is characterised in that：
Step（2）Described in metal powder be that reduced iron powder, one or more of Cr, FeMn, Co, Ni, Al are mixed in any proportion, grain
Diameter is 150 ~ 250 mesh.
6. the preparation method of three-dimensional shell ceramic skeleton-metal-base composites according to claim 3, it is characterised in that：
Step（2）Described in binder be waterglass, PVA, tung oil, one or more of epoxy resin+ethylenediamine in any proportion
Mixing.
7. the preparation method of three-dimensional shell ceramic skeleton-metal-base composites according to claim 3, it is characterised in that：
The parent metal liquid is one kind in ZGMn13, ZG65Mn, 3Cr13 steel.
8. the preparation method of three-dimensional shell ceramic skeleton-metal-base composites according to claim 3, it is characterised in that：
Step（3）Middle sintering is divided into two stages：1. plastic skeleton burn off, 200 ~ 850 DEG C of sintering temperature, 3 ~ 5 DEG C/min of heating rate,
2. the intensified-sintered molding of three-dimensional shell ceramic skeleton, 850 ~ 1500 DEG C of sintering temperature, 5 ~ 10 DEG C/min of heating rate, until 1500 DEG C
30 ~ 60min of Shi Baowen.
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Cited By (8)
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| CN110128144A (en) * | 2019-06-11 | 2019-08-16 | 北京中煤煤炭洗选技术有限公司 | A kind of metal and ceramic composite |
| CN110282976A (en) * | 2019-06-04 | 2019-09-27 | 上海交通大学 | A kind of preparation method of three-dimensional structure hafnium carbide-titanium silicon-carbon complex phase ceramic |
| CN110724847A (en) * | 2019-12-04 | 2020-01-24 | 河南科技大学 | Method for preparing bicontinuous phase composite material by pressureless infiltration |
| CN110744031A (en) * | 2019-08-14 | 2020-02-04 | 中材高新材料股份有限公司 | Metal ceramic wear-resistant material of three-dimensional network ceramic framework and preparation method thereof |
| CN113858607A (en) * | 2020-06-30 | 2021-12-31 | 宝武装备智能科技有限公司 | Gypsum supporting method for processing deep cavity shell based on 3D printing technology |
| CN114178509A (en) * | 2021-10-21 | 2022-03-15 | 上海交通大学 | Light high-rigidity three-dimensional network structure magnesium-based composite material and preparation method thereof |
| CN114536744A (en) * | 2022-03-16 | 2022-05-27 | 裴峰 | Spatial framework composite material based on multi-material 3D printing technology |
| WO2022122393A1 (en) | 2020-12-10 | 2022-06-16 | Magotteaux International S.A. | Hierarchical composite wear part with structural reinforcement |
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| CN110282976A (en) * | 2019-06-04 | 2019-09-27 | 上海交通大学 | A kind of preparation method of three-dimensional structure hafnium carbide-titanium silicon-carbon complex phase ceramic |
| CN110282976B (en) * | 2019-06-04 | 2021-09-10 | 上海交通大学 | Preparation method of hafnium carbide-titanium silicon carbon multiphase ceramic with three-dimensional structure |
| CN110128144A (en) * | 2019-06-11 | 2019-08-16 | 北京中煤煤炭洗选技术有限公司 | A kind of metal and ceramic composite |
| CN110744031A (en) * | 2019-08-14 | 2020-02-04 | 中材高新材料股份有限公司 | Metal ceramic wear-resistant material of three-dimensional network ceramic framework and preparation method thereof |
| CN110724847A (en) * | 2019-12-04 | 2020-01-24 | 河南科技大学 | Method for preparing bicontinuous phase composite material by pressureless infiltration |
| CN110724847B (en) * | 2019-12-04 | 2020-10-20 | 河南科技大学 | Method for preparing bicontinuous phase composite material by pressureless infiltration |
| CN113858607A (en) * | 2020-06-30 | 2021-12-31 | 宝武装备智能科技有限公司 | Gypsum supporting method for processing deep cavity shell based on 3D printing technology |
| WO2022122393A1 (en) | 2020-12-10 | 2022-06-16 | Magotteaux International S.A. | Hierarchical composite wear part with structural reinforcement |
| CN114178509A (en) * | 2021-10-21 | 2022-03-15 | 上海交通大学 | Light high-rigidity three-dimensional network structure magnesium-based composite material and preparation method thereof |
| CN114536744A (en) * | 2022-03-16 | 2022-05-27 | 裴峰 | Spatial framework composite material based on multi-material 3D printing technology |
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