CN107973875A - A kind of ink 3D printing base substrate method and its forming method - Google Patents
A kind of ink 3D printing base substrate method and its forming method Download PDFInfo
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- CN107973875A CN107973875A CN201711413186.3A CN201711413186A CN107973875A CN 107973875 A CN107973875 A CN 107973875A CN 201711413186 A CN201711413186 A CN 201711413186A CN 107973875 A CN107973875 A CN 107973875A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/20—Esters of polyhydric alcohols or phenols, e.g. 2-hydroxyethyl (meth)acrylate or glycerol mono-(meth)acrylate
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- 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
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/02—Moulding by agglomerating
- B29C67/04—Sintering
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- 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
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- 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
- B33Y70/00—Materials specially adapted for additive manufacturing
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F222/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
- C08F222/36—Amides or imides
- C08F222/38—Amides
- C08F222/385—Monomers containing two or more (meth)acrylamide groups, e.g. N,N'-methylenebisacrylamide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/085—Copper
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Abstract
The present invention relates to 3D technology field, discloses a kind of ink 3D printing forming method.The ink 3D printing forming method comprises the following steps：S1. using organic solvent as carrier, the powder body material that addition can form suspension with organic solvent is made into powder suspension, and the solid volume fraction of the powder suspension is 20~65%, and organic monomer is added into powder suspension, and it is spare to obtain slurry A；S2. preparing can be spare with the substance B of step S1 organic monomers generation gelling reaction；S3. substance B in slurry A in step S1 and step S2 is uniformly mixed, obtains mixture C；S4. mixture C is delivered to 3D printing head and gives the condition that organic monomer can be accelerated to polymerize, printed according to three-dimensional modeling data, layer upon layer is molded, and finally obtains the base substrate of required shape；S5. base substrate is dried, obtains high intensity base substrate, then dumping and sintered, obtain final products.
Description
Technical field
The present invention relates to 3D technology field, more particularly, to a kind of ink 3D printing base substrate method and its forming method.
Background technology
3D printing technique is a kind of emerging rapid shaping technique, by being successively superimposed material manufacture 3 D stereo
The technology of structure material object, different from traditional removal material manufacture technology, therefore also known as increasing material manufacturing, 3D printing are main
Selective laser sintering technology (SLS), melting sedimentation (FDM) and Stereo Lithography technology (SLA).
Selective laser sintering and moulding technology (SLS) is that every layer material is preheating to nearly melting point, with the CO of high intensity 2
Laser causes material to sinter immediately, and layer upon layer is molded under the control of the computer.The material of SLS technologies is usually metal powder
End, ceramic powders etc..The advantages of SLS forming techniques is that print speed is fast, is not required to any backing material, obtained metal into
Product good mechanical property, shortcoming is sample precision less and buckling deformation easily occurs, and molding cycle is grown.Be melt into product shaping also by
Manufactured as fuse（Fused Filament Fabrication, FFF）, it is to be added Filamentous thermoplastic by nozzle
Material is squeezed and gushed out to after melting by heat with certain pressure from nozzle, while nozzle is extruded along organic solvent square to moving
Material together with previous aspect clinkering, after the completion of aspect deposition, the height of the next aspect of table vertical after
Continuous to be deposited, final molding goes out complete entity.The material of FDM technologies has two kinds：One kind is entity shaping material；
Another is the backing material for preventing cavity or caving in.The advantages of FDM technologies is free from environmental pollution, and equipment is cheap, material
Expect diversity and utilization rate is high, shortcoming is that finished surface is coarse, and size is limited and shaping speed is slowly, it is necessary to extra fid
Material.Stereo Lithography printing technique (SLA) Stereolithography is the liquid photosensitive irradiated by UV laser beam in resin liquid bath
Resin, makes it reduce workbench after curing and is at the height of the next section thickness of liquid level, be so layering and produce one
The material object of a three-dimensional structure.The printed material that SLA is selected is liquid, and technological merit is that discovery time is earliest, and maturity is higher,
Shaping speed is very fast, and system work is stablized relatively, and due to being free of the thing of particle in the selection of material, dimensional accuracy is high.SLA
Technical disadvantages be equipment costly, system, which operates liquid, to be required harsh, and molded part is mostly resin, and material price is expensive and performance
It is limited, it is unfavorable for storing for a long time, environmental pollution is serious.
For existing 3D printing technique there are the defects of, the present invention gel-casting technology is combined with 3D printing, proposition
A kind of ink 3D printing forming method, the principle of gel injection molding and forming technology is that situ-gel cures, and shaping speed is very fast, can
Near-net-shape complex component, and even green body is good, high mechanical strength, sintering character are excellent, therefore expand gel note
Mold forming technology is combined with 3D printing techniques, it will thus provide a kind of brand-new 3D printing technique, so as to solve existing 3D printing skill
The defects of art, expand and apply the molding Material Fields of 3D significantly.
Chinese patent CN201510257680.X discloses a kind of mixed slurry 3D printing device and its printing shaping method,
Suitable for by metal dust, ceramic powders and composite powder, using liquid state organics as carrier, being shaped to by 3D printing multiple
Miscellaneous shape.There are problems with for the patent：It is poor, it is necessary to borrow by powder raw material and slip fluidity that resin liquid mixes
Ambient pressure is helped to be mixed with curing agent, and the patent can produce substantial amounts of bubble by the means of compressed air, in addition,
Mud is usually diluter to be difficult to cure, and cures low precision, curing precision can not be also improved even if concentration of hydraulic mixture is improved, so as to cause
Shaping is slow, and efficiency is low, and green strength is not high.
The content of the invention
The technical problem to be solved in the present invention in view of the deficiencies of the prior art, introduces casting molding technique, with organic solvent
For carrier, with reference to 3D printing technique, there is provided a kind of brand-new ink 3D printing base substrate method.
The present invention also provides a kind of ink 3D printing forming method.
The purpose of the present invention is achieved by the following technical programs：
A kind of ink 3D printing base substrate method is provided, is comprised the following steps：
S1. using organic solvent as carrier, the powder body material that addition can form suspension with organic solvent is made into powder suspension, institute
The solid volume fraction for stating powder suspension is 20~65%, and organic monomer is added into powder suspension, and it is standby to obtain slurry A
With；
S2. preparing can be spare with the substance B of step S1 organic monomers generation gelling reaction；
S3. substance B in slurry A in step S1 and step S2 is uniformly mixed, obtains mixture C；
S4. mixture C is delivered to 3D printing head and gives the condition that organic monomer can be accelerated to polymerize, according to three-dimensional modeling data
Printed, layer upon layer shaping, finally obtain the base substrate of required shape.
The principle of the present invention be using high viscosity, high buoyancy organic solvent as carrier, add highdensity powder body material
The suspension that solid volume fraction is 20~65% is made into, the powder suspension possesses low viscosity, high solid volume fraction, flows
Dynamic property is good, after adding organic monomer, the particles coat in finely dispersed powder suspension is allowed to fixation in situ, so as to obtain
The suspension of the composite material of powder and macromolecule organic, the substance B by the way that gelling reaction occurs with organic monomer, which mixes, to be made
Organic monomer in suspension liquid occurs chemical crosslinking or is physical crosslinking into three-dimensional network-like structure, quick with reference to 3D printing technique
The base substrate of high green and precision is prepared.
Preferably, powder body material described in step S1 is highdensity metal dust, alloy powder, cermet composite wood
Feed powder end, and the powder suspension that solid volume fraction is 20~65% can be formed with organic solvent.
Preferably, it is made into step S1 during powder suspension and is also added into crosslinking agent, is more preferably also added into point
Powder, defrother, levelling agent, additive, the one or more of catalyst, addition dispersant further improve powder and are suspending
Dispersiveness in liquid, adds crosslinking agent and forms multicomponent gel rubber system, for different organic monomer systems, it is necessary to using not
Same corresponding initiator.
Preferably, substance B described in step S2 for initiator or light curing agent one or two, according to actual conditions,
The best of breed that can make organic monomer that gelling reaction occur, wherein initiator and catalyst can be selected under limited trials not
It can at the same time add, and separated storage is needed before addition, therefore catalyst can be added in slurry A in advance.
Preferably, slurry A is mixed by way of gravity or injection with substance B described in step S3.
Wherein, slurry A of the present invention be using organic solvent as carrier, add after highdensity powder body material formed dispersiveness compared with
Good powder suspension, its good fluidity, the two mixing can be achieved without ambient pressure.
The condition of the present invention that organic monomer can be accelerated to polymerize is that suitable condition is determined according to gel rubber system.
Preferably, it is ultraviolet light or laser beam that can accelerate the condition that organic monomer polymerize described in step S4.
Preferably, it is temperature that can accelerate the condition that organic monomer polymerize described in step S4.
Preferably, it is focused microwave that can accelerate the condition that organic monomer polymerize described in step S4.
The present invention also provides a kind of ink 3D printing manufacturing process, the base substrate that the above method is prepared is dried,
High intensity base substrate is obtained, then dumping and sinters, obtains final products.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention for existing 3D printing technique there are the defects of, gel-casting technology is combined with 3D printing, propose one kind
Ink 3D printing forming method, the situ-gel principle of solidification is combined with 3D printing, without proembryo and mold developing, is also not required to add
Work, just can be directly according to computer graphics data, and the method by increasing material generates the complex structure of any shape, should
Method even green body in ensure that gel-casting technology is good, high mechanical strength, excellent sintering character the advantages of at the same time, also pole
The earth improves production efficiency, and the base substrate green strength printed is high, precision is high.
The present invention using low viscosity, high solid volume fraction, good fluidity powder suspension as 3D printing raw material, without
Conveying, mixing and extrusion can be realized in 3D printing equipment by ambient pressure, with cost is low, reliability is high, operational
The advantages that strong, and hardening time is fast, it is high to cure precision, it is easy to accomplish industrialized production.
Brief description of the drawings
Fig. 1 present invention process flow charts.
Fig. 2 present device schematic diagrames.
Embodiment
The present invention provides a kind of ink 3D printing forming method, and concrete technology method is as shown in Figure 1, comprise the following steps：
S1. using organic solvent as carrier, the powder body material that addition can form suspension with organic solvent is made into powder suspension, institute
The solid volume fraction for stating suspension is 20~65%, and organic monomer is added into powder suspension, it is spare to obtain slurry A；
S2. preparing can be spare with the substance B of organic monomer generation gelling reaction in step S1；
S3. it is product mix spare in step S1 and step S2 is uniform, obtain mixture C；
S4. data modeling：The part model of required planform is designed using 3D sculpting software, part model is divided
Layer slicing treatment, obtains the three-dimensional modeling data of part, and import in 3D printing equipment；
S5. 3D printing head mixture C being delivered in 3D printing equipment, and given in 3D printing equipment and can accelerate organic list
The condition of body polymerization, 3D printing head is controlled by computer, and layer upon layer is molded, and finally obtains the base substrate of required shape；
S6. the obtained base substrates of step S5 are dried, obtain high intensity base substrate, then dumping and sintered, obtain final products.
Wherein, suitable organic solvent is selected to be made into low viscosity, high solid phase in step S1 according to high density powder body material
The powder suspension of volume fraction, good fluidity（According to actual conditions addition dispersant can be selected to improve solid concentration, led to
Normal high density powder body material is need not to add dispersant）, and the suitable organic monomer of simultaneous selection is added to powder suspension
Middle component units gelling system, or the suitable organic monomer of selection and crosslinking agent are added in powder suspension and form polynary coagulate
Colloid system；Substance B selects initiator or light curing agent according to gel rubber system in step S2；It can accelerate organic monomer in step S4
The condition of polymerization is also to be determined according to gel rubber system.
For the above method, ink 3D printing former of the present invention may be designed to as shown in Fig. 2, including slurry tank 1, storage
Batch can 2, mixing tank 3 and 3D printing equipment 4, slurry tank 1, storage tank 2 are connected with mixing tank 3 respectively, and mixing tank 3 is set with 3D printing
First 41 connection of 3D printing in standby 4；
Agitating device 11 is equipped with slurry tank 1, discharge outlet is equipped with metering device 12, and 2 discharge outlet of storage tank is equipped with metering and fills
21 are put, agitating device 31 is equipped with mixing tank 3.
Ink 3D printing former operation principle of the present invention is as follows：It can occur the slurry A prepared and with organic monomer
The substance B of gelling reaction is individually positioned in slurry tank 1 and storage tank 2, if necessary to add initiator and catalyst at the same time, is stored up
Batch can 2 at least needs to prepare 2 separately storage initiator and catalyst, then mixes, can also be directly being starched with slurry respectively
Catalyst is first added in material, slurry, which fills the working status that the agitating device 11 in 1 is kept stirring, prevents slurry A from depositing, it is necessary to beat
When print, three-dimensional modeling data is imported into 3D printing equipment 4, the material in slurry tank 1 and storage tank 2 is respectively by passing through meter
Amount device 12 and metering device 21 prepare be delivered in mixing tank 3 in proportion, and the agitating device 31 in mixing tank 3 keeps work shape
Mixture C, is delivered in the 3D printing head of 3D printing equipment 4 by state after mixing, and 3D printing equipment 4 is according to threedimensional model number
Factually injection prints, need in print procedure to give temperature or ultraviolet light that 4 interior energy of 3D printing equipment accelerates organic monomer polymerization or
Laser beam or focused microwave, obtain base substrate be dried again, dumping, sintering, finally obtain product.
Wherein, due to slurry A good fluidities, gravity is passed through（Such as under the control of valve）It can complete to convey, mix
Close, without ambient pressure, it is contemplated that some situations need to accelerate the efficiency of 3D printing, can also be acted on by pressure（Such as note
Penetrate or pump）To accelerate material conveying, mixing.The present invention realizes that the equipment for the condition for accelerating organic monomer polymerization can be heating dress
Put, light irradiation apparatus or microwave tube etc., it is on the print platform of 3D printing equipment to apply object.Specific device and structure ability
Field technique personnel can select and design according to actual conditions.
The present invention is further illustrated with reference to specific embodiment.Following embodiments are only illustrative examples, not structure
Into inappropriate limitation of the present invention, the multitude of different ways that the present invention can be limited and covered by the content of the invention is implemented.It is unless special
Do not mentionlet alone bright, the present invention reagent, compound and the equipment that use is the art conventional reagent, compound and equipment.
Embodiment 1
The present embodiment provides a kind of ink 3D printing forming method, uses WC base stainless steel powders to be given for raw material in print procedure
The focused microwave that organic monomer can be accelerated to polymerize is given, is comprised the following steps：
S1. using organic solvent ethylene glycol as carrier, it is monomers hydroxy ethyl ester to add mass ratio into ethylene glycol
（HEMA）For 60wt%, additive ethyl acetate（EA）For 8wt%, crosslinking agent trimethylolpropane trimethacrylate（TMPTA）For
10wt%, catalyst n, accelerine（DMA）For 2wt%, defrother is 0.1~1wt%, adds the WC that volume ratio is 50%
Base stainless steel powder, it is spare to obtain low viscosity, the suspension slurry A of high solid volume fraction after ball grinding stirring；
S2. a certain amount of initiator benzoyl peroxide that can trigger gelling reaction is configured, it is spare to obtain substance B；
S3. the A material prepared by step S1 are placed in Fig. 2 in slurry tank 1, and are stirred.B material prepared by step S2 are placed in Fig. 2
In storage tank 2；
S4. data modeling：The part model of required planform is designed using 3D sculpting software, part model is divided
Layer slicing treatment, synusia thickness is 0.05~0.2mm, obtains the three-dimensional modeling data of part, and import in 3D printing equipment；
S5. A material and B material are passed through metering in mass ratio 90~100 by equipment respectively by setting proportioning:2 are delivered to mixing tank in Fig. 2
In 3, then mixture C is delivered in the printhead in 3D printing equipment, is printed according to three-dimensional modeling data, print procedure
In give can accelerate organic monomer polymerize focused microwave（By setting microwave tube）, print, make under the atmosphere of focused microwave
Obtain mixture C to cure rapidly, layer upon layer shaping, finally obtain the base substrate of required shape；
S6. the base substrate that step S5 is obtained is placed into 24~72h in room temperature, is then dried in vacuo at 60 DEG C, obtains high intensity base
Body, then in the case where flowing atmospheric condition, keeps the temperature 3h at 600 DEG C by high intensity base substrate and carries out dumping processing, then be placed on vacuum bar
Under part, temperature is to sinter 2h at 1000~1300 DEG C, obtains final products.
Originally it is embodied as ensureing to be molded soon during 3D printing（Each layer will not produce deformation during layer upon layer）, improve cure speed
Rate and green strength, optimize the proportioning of slurry A, suitably（It is too high to cause impurity excessive on the contrary）Improve the weight of monomer addition
Percentage is measured, and with the addition of additive ethyl acetate（EA）, implement printing under the atmosphere of focused microwave.
Focused microwave is produced by microwave tube in the present embodiment, and design parameter is according to 600 watts~800 watts progress phases of micro-wave oven
The adjustment answered.
The base substrate green strength that the present embodiment is prepared reaches 46MPa, and relative density more than 98% is sintered in normal temperature air.
Embodiment 2
The present embodiment provides a kind of ink 3D printing forming method, uses WC base stainless steel powders to be given for raw material in print procedure
The focused microwave that organic monomer can be accelerated to polymerize is given, is comprised the following steps:
S1. using organic solvent ethylene glycol as carrier, it is monomers hydroxy ethyl ester to add mass ratio into ethylene glycol
（HEMA）For 55wt%, additive ethyl acetate（EA）For 7wt%, crosslinking agent trimethylolpropane trimethacrylate（TMPTA）For
8wt%, catalyst n, accelerine（DMA）For 1wt%, defrother is 0.1~1wt%, adds the WC that volume ratio is 50%
Base stainless steel powder, it is spare to obtain low viscosity, the suspension slurry A of high solid volume fraction after ball grinding stirring；
S2. a certain amount of initiator benzoyl peroxide that can trigger gelling reaction is configured, it is spare to obtain substance B；
S3. the A material prepared by step S1 are placed in Fig. 2 in slurry tank 1, and are stirred.B material prepared by step S2 are placed in Fig. 2
In storage tank 2；
S4. data modeling：The part model of required planform is designed using 3D sculpting software, part model is divided
Layer slicing treatment, synusia thickness is 0.05~0.2mm, obtains the three-dimensional modeling data of part, and import in 3D printing equipment；
S5. A material and B material are passed through metering in mass ratio 90~100 by equipment respectively by setting proportioning:2 are delivered to mixing tank in Fig. 2
In 3, then mixture C is delivered in the printhead in 3D printing equipment, is printed according to three-dimensional modeling data, print procedure
In give can accelerate organic monomer polymerize focused microwave（By setting microwave tube）, print, make under the atmosphere of focused microwave
Obtain mixture C to cure rapidly, layer upon layer shaping, finally obtain the base substrate of required shape；
S6. the base substrate that step S5 is obtained is placed into 24~72h in room temperature, is then dried in vacuo at 60 DEG C, obtains high intensity base
Body, then in the case where flowing atmospheric condition, keeps the temperature 3h at 600 DEG C by high intensity base substrate and carries out dumping processing, then be placed on vacuum bar
Under part, temperature is to sinter 2h at 1000~1300 DEG C, obtains final products.
The base substrate green strength that the present embodiment is prepared reaches 37MPa, and relative density more than 97% is sintered in normal temperature air.
Embodiment 3
The present embodiment provides a kind of ink 3D printing forming method, uses WC base stainless steel powders to be given for raw material in print procedure
The focused microwave that organic monomer can be accelerated to polymerize is given, is comprised the following steps:
S1. using organic solvent ethylene glycol as carrier, it is monomers hydroxy ethyl ester to add mass ratio into ethylene glycol
（HEMA）For 65wt%, additive ethyl acetate（EA）For 9wt%, crosslinking agent trimethylolpropane trimethacrylate（TMPTA）For
12wt%, catalyst n, accelerine（DMA）For 3wt%, defrother is 0.1~1wt%, adds the WC that volume ratio is 50%
Base stainless steel powder, it is spare to obtain low viscosity, the suspension slurry A of high solid volume fraction after ball grinding stirring；
S2. a certain amount of initiator benzoyl peroxide that can trigger gelling reaction is configured, it is spare to obtain substance B；
S3. the A material prepared by step S1 are placed in Fig. 2 in slurry tank 1, and are stirred.B material prepared by step S2 are placed in Fig. 2
In storage tank 2；
S4. data modeling：The part model of required planform is designed using 3D sculpting software, part model is divided
Layer slicing treatment, synusia thickness is 0.05~0.2mm, obtains the three-dimensional modeling data of part, and import in 3D printing equipment；
S5. A material and B material are passed through metering in mass ratio 90~100 by equipment respectively by setting proportioning:2 are delivered to mixing tank in Fig. 2
In 3, then mixture C is delivered in the printhead in 3D printing equipment, is printed according to three-dimensional modeling data, print procedure
In give can accelerate organic monomer polymerize focused microwave（By setting microwave tube）, print, make under the atmosphere of focused microwave
Obtain mixture C to cure rapidly, layer upon layer shaping, finally obtain the base substrate of required shape；
S6. the base substrate that step S5 is obtained is placed into 24~72h in room temperature, is then dried in vacuo at 60 DEG C, obtains high intensity base
Body, then in the case where flowing atmospheric condition, keeps the temperature 3h at 600 DEG C by high intensity base substrate and carries out dumping processing, then be placed on vacuum bar
Under part, temperature is to sinter 2h at 1000~1300 DEG C, obtains final products.
The base substrate green strength that the present embodiment is prepared reaches 42MPa, and relative density more than 98% is sintered in normal temperature air.
Embodiment 4
The present embodiment is substantially the same manner as Example 1, and difference is, the volume integral of WC bases stainless steel powder described in step S1
Number is 65%.
The present embodiment changes WC base stainless steel powder volume fractions, and the base substrate green strength being prepared reaches 45MPA,
Relative density is obtained after sintering and reaches more than 98%.
Embodiment 5
The present embodiment is substantially the same manner as Example 1, and difference is, the volume integral of WC bases stainless steel powder described in step S1
Number is 20%.
The present embodiment changes WC base stainless steel powder volume fractions, and the base substrate green strength being prepared reaches 35MPA,
Relative density is obtained after sintering and reaches more than 97%.
Embodiment 6
The present embodiment provides a kind of ink 3D printing forming method, uses the copper-based powder original washing powder body of WC bases as raw material, print procedure
In give can accelerate organic monomer polymerize temperature, comprise the following steps：
S1. using organic solvent ethylene glycol as carrier, it is monomers hydroxy ethyl ester to add mass ratio into ethylene glycol
（HEMA）For 60wt%, additive ethyl acetate（EA）For 8wt%, crosslinking agent trimethylolpropane trimethacrylate（TMPTA）For
10wt%, catalyst n, accelerine（DMA）For 2wt%, defrother is 0.1~1wt%, adds the WC that volume ratio is 50%
The copper-based powder original washing powder body of base, it is spare to obtain low viscosity, the suspension slurry A of high solid volume fraction after ball grinding stirring；
S2. a certain amount of initiator benzoyl peroxide that can trigger gelling reaction is configured, it is spare to obtain substance B；
S3. the A material prepared by step S1 are placed in Fig. 2 in slurry tank 1, and are stirred.B material prepared by step S2 are placed in Fig. 2
In storage tank 2；
S4. data modeling：The part model of required planform is designed using 3D sculpting software, part model is divided
Layer slicing treatment, synusia thickness is 0.05~0.2mm, obtains the three-dimensional modeling data of part, and import in 3D printing equipment；
S5. A material and B material are passed through metering in mass ratio 90~100 by equipment respectively by setting proportioning:2 are delivered to mixing tank in Fig. 2
In 3, then mixture C is delivered in the printhead in 3D printing equipment, is printed according to three-dimensional modeling data, print procedure
In give can accelerate organic monomer polymerize temperature, specifically printed under 150 DEG C of atmosphere so that mixture C cures rapidly, layer
Layer accumulation molding, finally obtains the base substrate of required shape；
S6. the base substrate that step S5 is obtained is placed into 24~72h in room temperature, is then dried in vacuo at 60 DEG C, obtains high intensity base
Body, then in the case where flowing atmospheric condition, keeps the temperature 3h at 600 DEG C by high intensity base substrate and carries out dumping processing, then be placed on vacuum bar
Under part, temperature is to sinter 2h at 1000~1300 DEG C, obtains final products.
Originally it is embodied as ensureing to be molded soon during 3D printing（Each layer will not produce deformation during layer upon layer）, improve cure speed
Rate and green strength, optimize the proportioning of slurry A, suitably（It is too high to cause impurity excessive on the contrary）Improve the weight of monomer addition
Percentage is measured, and with the addition of additive ethyl acetate（EA）, implement printing under 150 DEG C of atmosphere.
The base substrate green strength that the present embodiment is prepared reaches 43MPa, and relative density more than 98% is sintered in normal temperature air.
Embodiment 7
The present embodiment provides a kind of ink 3D printing forming method, uses the copper-based powder original washing powder body of WC bases as raw material, print procedure
In give can accelerate organic monomer polymerize temperature, comprise the following steps：
S1. using organic solvent ethylene glycol as carrier, it is monomers hydroxy ethyl ester to add mass ratio into ethylene glycol
（HEMA）For 55wt%, additive ethyl acetate（EA）For 7wt%, crosslinking agent trimethylolpropane trimethacrylate（TMPTA）For
8wt%, catalyst n, accelerine（DMA）For 1wt%, defrother is 0.1~1wt%, adds the WC that volume ratio is 50%
The copper-based powder original washing powder body of base, it is spare to obtain low viscosity, the suspension slurry A of high solid volume fraction after ball grinding stirring；
S2. a certain amount of initiator benzoyl peroxide that can trigger gelling reaction is configured, it is spare to obtain substance B；
S3. the A material prepared by step S1 are placed in Fig. 2 in slurry tank 1, and are stirred.B material prepared by step S2 are placed in Fig. 2
In storage tank 2；
S4. data modeling：The part model of required planform is designed using 3D sculpting software, part model is divided
Layer slicing treatment, synusia thickness is 0.05~0.2mm, obtains the three-dimensional modeling data of part, and import in 3D printing equipment；
S5. A material and B material are passed through metering in mass ratio 90~100 by equipment respectively by setting proportioning:2 are delivered to mixing tank in Fig. 2
In 3, then mixture C is delivered in the printhead in 3D printing equipment, is printed according to three-dimensional modeling data, print procedure
In give can accelerate organic monomer polymerize temperature, specifically printed under 150 DEG C of atmosphere so that mixture C cures rapidly, layer
Layer accumulation molding, finally obtains the base substrate of required shape；
S6. the base substrate that step S5 is obtained is placed into 24~72h in room temperature, is then dried in vacuo at 60 DEG C, obtains high intensity base
Body, then in the case where flowing atmospheric condition, keeps the temperature 3h at 600 DEG C by high intensity base substrate and carries out dumping processing, then be placed on vacuum bar
Under part, temperature is to sinter 2h at 1000~1300 DEG C, obtains final products.
The base substrate green strength that the present embodiment is prepared reaches 38MPa, and relative density more than 97% is sintered in normal temperature air.
Embodiment 8
The present embodiment provides a kind of ink 3D printing forming method, uses the copper-based powder original washing powder body of WC bases as raw material, print procedure
In give can accelerate organic monomer polymerize temperature, comprise the following steps：
S1. using organic solvent ethylene glycol as carrier, it is monomers hydroxy ethyl ester to add mass ratio into ethylene glycol
（HEMA）For 65wt%, additive ethyl acetate（EA）For 9wt%, crosslinking agent trimethylolpropane trimethacrylate（TMPTA）For
12wt%, catalyst n, accelerine（DMA）For 3wt%, defrother is 0.1~1wt%, adds the WC that volume ratio is 50%
The copper-based powder original washing powder body of base, it is spare to obtain low viscosity, the suspension slurry A of high solid volume fraction after ball grinding stirring；
S2. a certain amount of initiator benzoyl peroxide that can trigger gelling reaction is configured, it is spare to obtain substance B；
S3. the A material prepared by step S1 are placed in Fig. 2 in slurry tank 1, and are stirred.B material prepared by step S2 are placed in Fig. 2
In storage tank 2；
S4. data modeling：The part model of required planform is designed using 3D sculpting software, part model is divided
Layer slicing treatment, synusia thickness is 0.05~0.2mm, obtains the three-dimensional modeling data of part, and import in 3D printing equipment；
S5. A material and B material are passed through metering in mass ratio 90~100 by equipment respectively by setting proportioning:2 are delivered to mixing tank in Fig. 2
In 3, then mixture C is delivered in the printhead in 3D printing equipment, is printed according to three-dimensional modeling data, print procedure
In give can accelerate organic monomer polymerize temperature, specifically printed under 150 DEG C of atmosphere so that mixture C cures rapidly, layer
Layer accumulation molding, finally obtains the base substrate of required shape；
S6. the base substrate that step S5 is obtained is placed into 24~72h in room temperature, is then dried in vacuo at 60 DEG C, obtains high intensity base
Body, then in the case where flowing atmospheric condition, keeps the temperature 3h at 600 DEG C by high intensity base substrate and carries out dumping processing, then be placed on vacuum bar
Under part, temperature is to sinter 2h at 1000~1300 DEG C, obtains final products.
The base substrate green strength that the present embodiment is prepared reaches 40MPa, and relative density more than 98% is sintered in normal temperature air.
Embodiment 9
The present embodiment is substantially the same manner as Example 6, and difference is, the body of the copper-based powder original washing powder body of WC bases described in step S1
Fraction is 65%.
The present embodiment changes the copper-based powder original washing powder body volume fraction of WC bases, and the base substrate green strength being prepared reaches
42MPA, after sintering relative density reaches more than 98%.
Embodiment 10
The present embodiment is substantially the same manner as Example 6, and difference is, the body of the copper-based powder original washing powder body of WC bases described in step S1
Fraction is 20%.
The present embodiment changes the copper-based powder original washing powder body volume fraction of WC bases, and the base substrate green strength being prepared reaches
35MPA, after sintering relative density reaches more than 97%.
Embodiment 11
The present embodiment provides a kind of ink 3D printing forming method, uses WC base cemented carbide original washing powder bodies as raw material, print procedure
In give can accelerate organic monomer polymerize ultraviolet light or laser beam, comprise the following steps：
S1. using organic solvent propane diols as carrier, it is monomers hydroxy ethyl ester to add mass ratio into propane diols
（HEMA）For 60wt%, additive ethyl acetate（EA）For 8wt%, crosslinking agent trimethylolpropane trimethacrylate（TMPTA）For
10wt%, defrother are 0.1~1wt%, add the WC base cemented carbide original washing powder bodies that volume ratio is 50%, are obtained after ball grinding stirring
Low viscosity, the suspension slurry A of high solid volume fraction are spare；
S2. a certain amount of light curing agent that can trigger gelling reaction is configured（Light curing agent 819）, it is spare to obtain substance B；
S3. the A material prepared by step S1 are placed in Fig. 2 in slurry tank 1, and are stirred.B material prepared by step S2 are placed in Fig. 2
In storage tank 2；
S4. data modeling：The part model of required planform is designed using 3D sculpting software, part model is divided
Layer slicing treatment, synusia thickness is 0.05~0.2mm, obtains the three-dimensional modeling data of part, and import in 3D printing equipment；
S5. A material and B material are passed through metering in mass ratio 90~100 by equipment respectively by setting proportioning:2 are delivered to mixing tank in Fig. 2
In 3, then mixture C is delivered in the printhead in 3D printing equipment, is printed according to three-dimensional modeling data, print procedure
In give the ultraviolet light or laser beam that organic monomer can be accelerated to polymerize, specifically printed under 365~405 atmosphere of wavelength so that mixed
Compound C cures rapidly, layer upon layer shaping, finally obtains the base substrate of required shape；
S6. the base substrate that step S5 is obtained is placed into 24~72h in room temperature, is then dried in vacuo at 60 DEG C, obtains high intensity base
Body, then in the case where flowing atmospheric condition, keeps the temperature 3h at 600 DEG C by high intensity base substrate and carries out dumping processing, then be placed on vacuum bar
Under part, temperature is to sinter 2h at 1000~1300 DEG C, obtains final products.
Originally it is embodied as ensureing to be molded soon during 3D printing（Each layer will not produce deformation during layer upon layer）, improve cure speed
Rate and green strength, optimize the proportioning of slurry A, suitably（It is too high to cause impurity excessive on the contrary）Improve the weight of monomer addition
Percentage is measured, and with the addition of additive ethyl acetate（EA）, implement printing under ultraviolet light or laser beam atmosphere.
The base substrate green strength that the present embodiment is prepared reaches 23MPa, and relative density more than 96% is sintered in normal temperature air.
Embodiment 12
The present embodiment provides a kind of ink 3D printing forming method, uses WC base cemented carbide original washing powder bodies as raw material, print procedure
In give can accelerate organic monomer polymerize ultraviolet light or laser beam, comprise the following steps：
S1. using organic solvent propane diols as carrier, it is monomers hydroxy ethyl ester to add mass ratio into propane diols
（HEMA）For 55wt%, additive ethyl acetate（EA）For 7wt%, crosslinking agent trimethylolpropane trimethacrylate（TMPTA）For
8wt%, defrother are 0.1~1wt%, add the WC base cemented carbide original washing powder bodies that volume ratio is 50%, are obtained after ball grinding stirring low
Viscosity, the suspension slurry A of high solid volume fraction are spare；
S2. a certain amount of light curing agent that can trigger gelling reaction is configured（Light curing agent 819）, it is spare to obtain substance B；
S3. the A material prepared by step S1 are placed in Fig. 2 in slurry tank 1, and are stirred.B material prepared by step S2 are placed in Fig. 2
In storage tank 2；
S4. data modeling：The part model of required planform is designed using 3D sculpting software, part model is divided
Layer slicing treatment, synusia thickness is 0.05~0.2mm, obtains the three-dimensional modeling data of part, and import in 3D printing equipment；
S5. A material and B material are passed through metering in mass ratio 90~100 by equipment respectively by setting proportioning:2 are delivered to mixing tank in Fig. 2
In 3, then mixture C is delivered in the printhead in 3D printing equipment, is printed according to three-dimensional modeling data, print procedure
In give the ultraviolet light or laser beam that organic monomer can be accelerated to polymerize, specifically printed under 365~405 atmosphere of wavelength so that mixed
Compound C cures rapidly, layer upon layer shaping, finally obtains the base substrate of required shape；
S6. the base substrate that step S5 is obtained is placed into 24~72h in room temperature, is then dried in vacuo at 60 DEG C, obtains high intensity base
Body, then in the case where flowing atmospheric condition, keeps the temperature 3h at 600 DEG C by high intensity base substrate and carries out dumping processing, then be placed on vacuum bar
Under part, temperature is to sinter 2h at 1000~1300 DEG C, obtains final products.
The base substrate green strength that the present embodiment is prepared reaches 19MPa, and relative density more than 95% is sintered in normal temperature air.
Embodiment 13
The present embodiment provides a kind of ink 3D printing forming method, uses WC base cemented carbide original washing powder bodies as raw material, print procedure
In give can accelerate organic monomer polymerize ultraviolet light or laser beam, comprise the following steps：
S1. using organic solvent propane diols as carrier, it is monomers hydroxy ethyl ester to add mass ratio into propane diols
（HEMA）For 65wt%, additive ethyl acetate（EA）For 9wt%, crosslinking agent trimethylolpropane trimethacrylate（TMPTA）For
12wt%, defrother are 0.1~1wt%, add the WC base cemented carbide original washing powder bodies that volume ratio is 50%, are obtained after ball grinding stirring
Low viscosity, the suspension slurry A of high solid volume fraction are spare；
S2. a certain amount of light curing agent that can trigger gelling reaction is configured（Light curing agent 819）, it is spare to obtain substance B；
S3. the A material prepared by step S1 are placed in Fig. 2 in slurry tank 1, and are stirred.B material prepared by step S2 are placed in Fig. 2
In storage tank 2；
S4. data modeling：The part model of required planform is designed using 3D sculpting software, part model is divided
Layer slicing treatment, synusia thickness is 0.05~0.2mm, obtains the three-dimensional modeling data of part, and import in 3D printing equipment；
S5. A material and B material are passed through metering in mass ratio 90~100 by equipment respectively by setting proportioning:2 are delivered to mixing tank in Fig. 2
In 3, then mixture C is delivered in the printhead in 3D printing equipment, is printed according to three-dimensional modeling data, print procedure
In give the ultraviolet light or laser beam that organic monomer can be accelerated to polymerize, specifically printed under 365~405 atmosphere of wavelength so that mixed
Compound C cures rapidly, layer upon layer shaping, finally obtains the base substrate of required shape；
S6. the base substrate that step S5 is obtained is placed into 24~72h in room temperature, is then dried in vacuo at 60 DEG C, obtains high intensity base
Body, then in the case where flowing atmospheric condition, keeps the temperature 3h at 600 DEG C by high intensity base substrate and carries out dumping processing, then be placed on vacuum bar
Under part, temperature is to sinter 2h at 1000~1300 DEG C, obtains final products.
The base substrate green strength that the present embodiment is prepared reaches 21MPa, and relative density more than 97% is sintered in normal temperature air.
Embodiment 14
The present embodiment is substantially the same manner as Example 11, and difference is, WC base cemented carbides original washing powder body described in step S1
Volume fraction is 65%.
The present embodiment changes WC base cemented carbide original washing powder body volume fractions, and the base substrate green strength being prepared reaches
22MPA, after sintering relative density reaches more than 97%.
Embodiment 15
The present embodiment is substantially the same manner as Example 11, and difference is, WC base cemented carbides original washing powder body described in step S1
Volume fraction is 20%.
The present embodiment changes WC base cemented carbide original washing powder body volume fractions, and the base substrate green strength being prepared reaches
17MPA, after sintering relative density reaches more than 95%.
Embodiment 16
The present embodiment provides a kind of ink 3D printing forming method, silicon-nitride-based ceramic powder is used as raw material, in print procedure
The focused microwave that organic monomer can be accelerated to polymerize is given, is comprised the following steps:
S1. using organic solvent ethylene glycol as carrier, it is monomer N, N- methylene bisacrylamide acyl to add mass ratio into ethylene glycol
（DMAA）For 60wt%, additive ethyl acetate（EA）For 8wt%, crosslinking agent trimethylolpropane trimethacrylate（TMPTA）For
10wt%, catalyst n, accelerine（DMA）For 2wt%, defrother is 0.1~1wt%, adds the nitrogen that volume ratio is 45%
SiClx based ceramic powder body, it is spare to obtain low viscosity, the suspension slurry A of high solid volume fraction after ball grinding stirring；
S2. the initiator ammonium persulfate solution that configuration concentration is 1% is spare as substance B；
S3. the A material prepared by step S1 are placed in Fig. 2 in slurry tank 1, and are stirred.B material prepared by step S2 are placed in Fig. 2
In storage tank 2；
S4. data modeling：The part model of required planform is designed using 3D sculpting software, part model is divided
Layer slicing treatment, synusia thickness is 0.05~0.2mm, obtains the three-dimensional modeling data of part, and import in 3D printing equipment；
S5. A material and B material are passed through metering in mass ratio 90~100 by equipment respectively by setting proportioning:2 are delivered to mixing tank in Fig. 2
In 3, then mixture C is delivered in the printhead in 3D printing equipment, is printed according to three-dimensional modeling data, print procedure
In give can accelerate organic monomer polymerize focused microwave（By setting microwave tube）, print, make under the atmosphere of focused microwave
Obtain mixture C to cure rapidly, layer upon layer shaping, finally obtain the base substrate of required shape；
S6. the base substrate that step S5 is obtained is placed into 24~72h in room temperature, is then dried in vacuo at 60 DEG C, obtains high intensity base
Body, then in the case where flowing atmospheric condition, keeps the temperature 3h at 600 DEG C by high intensity base substrate and carries out dumping processing, then be placed on vacuum bar
Under part, temperature is to sinter 2h at 1000~1300 DEG C, obtains final products.
Originally it is embodied as ensureing to be molded soon during 3D printing（Each layer will not produce deformation during layer upon layer）, improve cure speed
Rate and green strength, optimize the proportioning of slurry A, suitably（It is too high to cause impurity excessive on the contrary）Improve the weight of monomer addition
Percentage is measured, and with the addition of additive ethyl acetate（EA）, implement printing under the atmosphere of focused microwave.
Focused microwave is produced by microwave tube in the present embodiment, and design parameter is according to 600 watts~800 watts progress phases of micro-wave oven
The adjustment answered.
The base substrate green strength that the present embodiment is prepared reaches 40MPa, and relative density more than 98% is sintered in normal temperature air.
Embodiment 17
The present embodiment provides a kind of ink 3D printing forming method, silicon-nitride-based ceramic powder is used as raw material, in print procedure
The focused microwave that organic monomer can be accelerated to polymerize is given, is comprised the following steps:
S1. using organic solvent ethylene glycol as carrier, it is monomer N, N- methylene bisacrylamide acyl to add mass ratio into ethylene glycol
（DMAA）For 55wt%, additive ethyl acetate（EA）For 7wt%, crosslinking agent trimethylolpropane trimethacrylate（TMPTA）For
8wt%, catalyst n, accelerine（DMA）For 1wt%, defrother is 0.1~1wt%, adds the nitrogen that volume ratio is 45%
SiClx based ceramic powder body, it is spare to obtain low viscosity, the suspension slurry A of high solid volume fraction after ball grinding stirring；
S2. the initiator ammonium persulfate solution that configuration concentration is 1% is spare as substance B；
S3. the A material prepared by step S1 are placed in Fig. 2 in slurry tank 1, and are stirred.B material prepared by step S2 are placed in Fig. 2
In storage tank 2；
S4. data modeling：The part model of required planform is designed using 3D sculpting software, part model is divided
Layer slicing treatment, synusia thickness is 0.05~0.2mm, obtains the three-dimensional modeling data of part, and import in 3D printing equipment；
S5. A material and B material are passed through metering in mass ratio 90~100 by equipment respectively by setting proportioning:2 are delivered to mixing tank in Fig. 2
In 3, then mixture C is delivered in the printhead in 3D printing equipment, is printed according to three-dimensional modeling data, print procedure
In give can accelerate organic monomer polymerize focused microwave（By setting microwave tube）, print, make under the atmosphere of focused microwave
Obtain mixture C to cure rapidly, layer upon layer shaping, finally obtain the base substrate of required shape；
S6. the base substrate that step S5 is obtained is placed into 24~72h in room temperature, is then dried in vacuo at 60 DEG C, obtains high intensity base
Body, then in the case where flowing atmospheric condition, keeps the temperature 3h at 600 DEG C by high intensity base substrate and carries out dumping processing, then be placed on vacuum bar
Under part, temperature is to sinter 2h at 1000~1300 DEG C, obtains final products.
The base substrate green strength that the present embodiment is prepared reaches 35MPa, and relative density more than 97% is sintered in normal temperature air.
Embodiment 18
The present embodiment provides a kind of ink 3D printing forming method, silicon-nitride-based ceramic powder is used as raw material, in print procedure
The focused microwave that organic monomer can be accelerated to polymerize is given, is comprised the following steps:
S1. using organic solvent ethylene glycol as carrier, it is monomer N, N- methylene bisacrylamide acyl to add mass ratio into ethylene glycol
（DMAA）For 65wt%, additive ethyl acetate（EA）For 9wt%, crosslinking agent trimethylolpropane trimethacrylate（TMPTA）For
12wt%, catalyst n, accelerine（DMA）For 3wt%, defrother is 0.1~1wt%, adds the nitrogen that volume ratio is 45%
SiClx based ceramic powder body, it is spare to obtain low viscosity, the suspension slurry A of high solid volume fraction after ball grinding stirring；
S2. the initiator ammonium persulfate solution that configuration concentration is 1% is spare as substance B；
S3. the A material prepared by step S1 are placed in Fig. 2 in slurry tank 1, and are stirred.B material prepared by step S2 are placed in Fig. 2
In storage tank 2；
S4. data modeling：The part model of required planform is designed using 3D sculpting software, part model is divided
Layer slicing treatment, synusia thickness is 0.05~0.2mm, obtains the three-dimensional modeling data of part, and import in 3D printing equipment；
S5. A material and B material are passed through metering in mass ratio 90~100 by equipment respectively by setting proportioning:2 are delivered to mixing tank in Fig. 2
In 3, then mixture C is delivered in the printhead in 3D printing equipment, is printed according to three-dimensional modeling data, print procedure
In give can accelerate organic monomer polymerize focused microwave（By setting microwave tube）, print, make under the atmosphere of focused microwave
Obtain mixture C to cure rapidly, layer upon layer shaping, finally obtain the base substrate of required shape；
S6. the base substrate that step S5 is obtained is placed into 24~72h in room temperature, is then dried in vacuo at 60 DEG C, obtains high intensity base
Body, then in the case where flowing atmospheric condition, keeps the temperature 3h at 600 DEG C by high intensity base substrate and carries out dumping processing, then be placed on vacuum bar
Under part, temperature is to sinter 2h at 1000~1300 DEG C, obtains final products.
The base substrate green strength that the present embodiment is prepared reaches 37MPa, and relative density more than 98% is sintered in normal temperature air.
Embodiment 19
The present embodiment is substantially the same manner as Example 16, and difference is, the body of silicon-nitride-based ceramic powder described in step S1
Fraction is 65%.
The present embodiment changes silicon-nitride-based ceramic powder volume fraction, and the base substrate green strength being prepared reaches
39MPA, after sintering relative density reaches more than 98%.
Embodiment 20
The present embodiment is substantially the same manner as Example 16, and difference is, the body of silicon-nitride-based ceramic powder described in step S1
Fraction is 20%.
The present embodiment changes silicon-nitride-based ceramic powder volume fraction, and the base substrate green strength being prepared reaches
34MPA, after sintering relative density reaches more than 97%.
Claims (10)
- A kind of 1. ink 3D printing base substrate method, it is characterised in that comprise the following steps：S1. using organic solvent as carrier, the powder body material that addition can form suspension with organic solvent is made into powder suspension, institute The solid volume fraction for stating powder suspension is 20~65%, and organic monomer is added into powder suspension, and it is standby to obtain slurry A With；S2. preparing can be spare with the substance B of step S1 organic monomers generation gelling reaction；S3. substance B in slurry A in step S1 and step S2 is uniformly mixed, obtains mixture C；S4. mixture C is delivered to 3D printing head and gives the condition that organic monomer can be accelerated to polymerize, according to three-dimensional modeling data Printed, layer upon layer shaping, finally obtain the base substrate of required shape.
- 2. ink 3D printing base substrate method according to claim 1, it is characterised in that powder body material described in step S1 is gold Belong to powder, alloy powder or ceramic-metal composite powder.
- 3. ink 3D printing base substrate method according to claim 1, it is characterised in that slurry A described in step S1 includes handing over Join agent.
- 4. ink 3D printing base substrate method according to claim 1, it is characterised in that slurry A is further included described in step S1 Dispersant, defrother, levelling agent, additive, the one or more of catalyst.
- 5. ink 3D printing base substrate method according to claim 1, it is characterised in that substance B described in step S2 is initiation Agent or curing agent.
- 6. ink 3D printing base substrate method according to claim 5, it is characterised in that curing agent is consolidated for light described in step S2 Agent.
- 7. ink 3D printing base substrate method according to claim 1, it is characterised in that organic list can be accelerated described in step S4 The condition of body polymerization is ultraviolet light or laser beam.
- 8. ink 3D printing base substrate method according to claim 1, it is characterised in that organic list can be accelerated described in step S4 The condition of body polymerization is temperature.
- 9. ink 3D printing base substrate method according to claim 1, it is characterised in that organic list can be accelerated described in step S4 The condition of body polymerization is focused microwave.
- 10. a kind of ink 3D printing forming method, it is characterised in that comprise the following steps：By claim 1~9 any one The base substrate that the ink 3D printing base substrate method is prepared is dried, and obtains high intensity base substrate, then dumping and sinters, obtains To final products.
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| CN112548114A (en) * | 2020-11-09 | 2021-03-26 | 季华实验室 | Method for directly printing metal part by adopting ink |
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Application publication date: 20180501 |