CN108329038A - A kind of forming method of guidance type 3D printing ceramics - Google Patents

A kind of forming method of guidance type 3D printing ceramics Download PDF

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Publication number
CN108329038A
CN108329038A CN201810046110.XA CN201810046110A CN108329038A CN 108329038 A CN108329038 A CN 108329038A CN 201810046110 A CN201810046110 A CN 201810046110A CN 108329038 A CN108329038 A CN 108329038A
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printing
ceramic
modified
biscuit
ceramics
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Inventor
金逸林
金乾华
金建锋
徐晓辉
金逸瑞
金莹
吴美辉
吴祥建
胡笑奇
罗应裕
严垭莹
翁艳萍
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LONGQUAN JINHONG CERAMICS INDUSTRY Co Ltd
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LONGQUAN JINHONG CERAMICS INDUSTRY Co Ltd
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Priority to CN201810046110.XA priority Critical patent/CN108329038A/en
Publication of CN108329038A publication Critical patent/CN108329038A/en
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • 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
    • B33Y70/00—Materials specially adapted for additive manufacturing
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/14—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
    • C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
    • C04B35/571—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide obtained from Si-containing polymer precursors or organosilicon monomers
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/584—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride
    • C04B35/589—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride obtained from Si-containing polymer precursors or organosilicon monomers
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/632—Organic additives
    • C04B35/634—Polymers
    • C04B35/63448—Polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/632—Organic additives
    • C04B35/634—Polymers
    • C04B35/63448—Polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B35/63452—Polyepoxides
    • C—CHEMISTRY; METALLURGY
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    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/632—Organic additives
    • C04B35/634—Polymers
    • C04B35/63448—Polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B35/63456—Polyurethanes; Polyisocyanates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
    • C04B35/632—Organic additives
    • C04B35/634—Polymers
    • C04B35/63448—Polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B35/6346—Polyesters
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/48—Organic compounds becoming part of a ceramic after heat treatment, e.g. carbonising phenol resins

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)

Abstract

The present invention relates to 3D printing technique field more particularly to a kind of forming methods of guidance type 3D printing ceramics, which is characterized in that includes the following steps：（1）Modified ceramic precursor is uniformly mixed with photosensitive resin, forms ceramic slurry；（2）Ceramic slurry is added in 3D printing Stereolithography equipment, is successively printed according to ceramic threedimensional model by the way of face exposure or spot scan using controllable UV Line beam, forms modified ceramic precursor biscuit；（3）Above-mentioned modified ceramic precursor biscuit is subjected to pyrolysis processing in required atmosphere, modified ceramic precursor biscuit is converted into ceramics.The present invention realizes the guiding molding of the composition of different target ceramics, has goal orientation, controllability is strong, and the intensity of ceramic product obtained is high by replacing different modified ceramic precursor or same ceramic body difference calcination atmosphere, temperature.

Description

A kind of forming method of guidance type 3D printing ceramics
Technical field
The present invention relates to 3D printing technique field more particularly to a kind of forming methods of guidance type 3D printing ceramics.
Background technology
Ceramic material has high intensity, high rigidity, high temperature resistant, low-density, the excellent properties such as corrosion-resistant, aerospace, The industries such as automobile, biology, daily, building have a wide range of applications.Increases material manufacturing technology is commonly called as 3D printing technique, first will The part of required printing establishes threedimensional model, and 3D printer is sliced and be transferred to by experiment demand by model, is burnt with laser The materials such as ceramics, metal are successively molded by the technologies such as knot, photocuring from the bottom to top, three-dimensional structure are formed, by both domestic and external Person, enterpriser's extensive concern.But based on the intrinsic feature of ceramics, existing 3D printing ceramic technology is largely using mixed There is the ceramic slurry of binder to be directly printed as biscuit, using calcining, takes out binder, improve consistency, obtain 3D printing Ceramic product.In calcination process, the sintering of binder easily leads to ceramic body and ruptures, and leads to 3D printing ceramic product matter Sense, intensity, hardness etc. have a long way to go, the poor performances such as precision and intensity.Therefore, traditional 3D printing ceramics how are broken through The bottleneck of technology, a kind of novel 3D printing ceramic technology of searching have important research significance.
Invention content
The present invention provides a kind of guidance type 3D and beats to overcome the problems, such as that traditional 3D printing ceramics are easily rupturable, poor performance Print the forming method of ceramics.
To achieve the goals above, the present invention uses following technical scheme：
A kind of forming method of guidance type 3D printing ceramics, includes the following steps：
（1）Modified ceramic precursor is uniformly mixed with photosensitive resin, forms ceramic slurry；
（2）Ceramic slurry is added in 3D printing Stereolithography equipment, using controllable UV Line beam, using face exposure or The mode of spot scan is successively printed according to ceramic threedimensional model, forms modified ceramic precursor biscuit；
（3）Above-mentioned modified ceramic precursor biscuit is subjected to pyrolysis processing in required atmosphere, modified ceramic precursor biscuit turns Turn to ceramics.
For the present invention for preparing ceramic material using inorganic process, polymer ceramic forerunner's body method has structure It is adjustable, the advantages that specific form structural ceramics can be formed.The present invention can by replacing different modified ceramic precursor, or Same ceramic body difference calcination atmosphere, temperature realize the guiding molding of the composition of different target ceramics, have controllability, mesh Property enhance the intensity of ceramic product by first printing modified ceramic precursor biscuit, then the method calcined.
Preferably, the modified ceramic precursor be by C, O, N, Al, B or N=C=the N silicon-based polymer being modified or Poly-ferrocene silane.
Preferably, step（1）In, the photosensitive resin is epoxy acrylic resin, unsaturated polyester resin, polyurethane Acrylate, polyester acrylate, polyester acrylate resin or amino acrylic resin.
Preferably, step（2）In, when printing type is exposed using face, the time for exposure is 0.1 ~ 3s；Printing type uses When spot scan, spot diameter is 0.1~0.15mm, 1 ~ 300mm/min of hot spot movement speed.
Preferably, step（2）In, for the layer thickness control successively printed at 20~80 μm, optical source wavelength is 200~400nm.
Therefore, the present invention has the advantages that：By replacing different modified ceramic precursors or same ceramic blank Body difference calcination atmosphere, temperature realize the guiding molding of the composition of different target ceramics, have goal orientation, and controllability is strong, The intensity of ceramic product obtained is high.
Specific implementation mode
Below by specific embodiment, the technical solutions of the present invention will be further described.
In the present invention, if not refering in particular to, all devices and raw material is commercially available or the industry is common are following Method in embodiment is unless otherwise instructed this field conventional method.
Embodiment 1
（1）The silicon-based polymer Polycarbosilane being modified by C is uniformly mixed with epoxy acrylic resin, forms ceramic slurry；
（2）Ceramic slurry is added in 3D printing Stereolithography equipment, using controllable UV Line beam, using face exposure Mode, time for exposure 0.1s are successively printed according to ceramic threedimensional model, and the layer thickness control successively printed is at 20 μm, light source wave A length of 200nm forms modified ceramic precursor biscuit；
（3）Above-mentioned modified ceramic precursor biscuit is subjected to pyrolysis processing in an inert atmosphere, modified ceramic precursor biscuit turns Turn to SiC ceramic.
Embodiment 2
（1）The silicon-based polymer polyoxy silane being modified by O is uniformly mixed with polyester acrylate, forms ceramic slurry；
（2）Ceramic slurry is added in 3D printing Stereolithography equipment, using controllable UV Line beam, using spot scan Mode, spot diameter 0.1mm, hot spot movement speed 1mm/min are successively printed according to ceramic threedimensional model, are successively printed Layer thickness control forms modified ceramic precursor biscuit at 80 μm, optical source wavelength 400nm；
（3）Above-mentioned modified ceramic precursor biscuit is subjected to pyrolysis processing in oxidizing atmosphere, modified ceramic precursor biscuit turns Turn to SiO2Ceramics.
Embodiment 3
（1）The silicon-based polymer being modified by N=C=N is uniformly mixed with amino acrylic resin, forms ceramic slurry；
（2）Ceramic slurry is added in 3D printing Stereolithography equipment, using controllable UV Line beam, using face exposure side Formula, time for exposure 3s；It is successively printed according to ceramic threedimensional model, the layer thickness control successively printed is in 60 μm, optical source wavelength 300nm forms modified ceramic precursor biscuit；
（3）Above-mentioned modified ceramic precursor biscuit is subjected to pyrolysis processing in an inert atmosphere, modified ceramic precursor biscuit turns Turn to SixCyNzCeramics.
Embodiment 4
（1）Poly-ferrocene silane is uniformly mixed with unsaturated polyester resin, forms ceramic slurry；
（2）Ceramic slurry is added in 3D printing Stereolithography equipment, using controllable UV Line beam, using spot scan Mode, spot diameter 0.15mm, hot spot movement speed 300mm/min are successively printed according to ceramic threedimensional model, are successively printed Layer thickness control at 30 μm, optical source wavelength 240nm, formed modified ceramic precursor biscuit；
（3）Above-mentioned modified ceramic precursor biscuit is subjected to pyrolysis processing in an inert atmosphere, modified ceramic precursor biscuit turns Turn to magnetic ceramics.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the present invention in any form, and is not surpassing There are other variations and modifications under the premise of going out the technical solution recorded in claim.

Claims (5)

1. a kind of forming method of guidance type 3D printing ceramics, which is characterized in that include the following steps：
（1）Modified ceramic precursor is uniformly mixed with photosensitive resin, forms ceramic slurry；
（2）Ceramic slurry is added in 3D printing Stereolithography equipment, using controllable UV Line beam, using face exposure or The mode of spot scan is successively printed according to ceramic threedimensional model, forms modified ceramic precursor biscuit；
（3）Above-mentioned modified ceramic precursor biscuit is subjected to pyrolysis processing in required atmosphere, modified ceramic precursor biscuit turns Turn to ceramics.
2. a kind of forming method of guidance type 3D printing ceramics according to claim 1, which is characterized in that the modified pottery Porcelain precursor is by C, O, N, Al, B or N=C=N silicon-based polymers being modified or poly-ferrocene silane.
3. a kind of forming method of guidance type 3D printing ceramics according to claim 1, which is characterized in that step（1）In, The photosensitive resin is epoxy acrylic resin, unsaturated polyester resin, urethane acrylate, polyester acrylate, polyester Acrylic resin or amino acrylic resin.
4. a kind of forming method of guidance type 3D printing ceramics according to claim 1, which is characterized in that step（2）In, When printing type is exposed using face, the time for exposure is 0.1 ~ 3s；Printing type use spot scan when, spot diameter be 0.1~ 0.15mm, 1 ~ 300mm/min of hot spot movement speed.
5. a kind of forming method of guidance type 3D printing ceramics according to claim 1, which is characterized in that step（2）In, For the layer thickness control successively printed at 20~80 μm, optical source wavelength is 200~400nm.
CN201810046110.XA 2018-01-17 2018-01-17 A kind of forming method of guidance type 3D printing ceramics Pending CN108329038A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109535333A (en) * 2018-10-11 2019-03-29 南方科技大学 A kind of photosensitive resin and preparation method thereof and ceramic slurry, 3D printing product
CN109678525A (en) * 2019-01-09 2019-04-26 北京理工大学 A kind of silicon nitride ceramic material and preparation method thereof based on polysilazane precursor
CN110451986A (en) * 2019-09-09 2019-11-15 中国人民解放军国防科技大学 Photocuring 3D printing SiCN ceramic precursor material and application thereof
CN113336555A (en) * 2021-06-24 2021-09-03 浙江大学 Photocuring type 3D printing manufacturing method of integral SiC-based microreactor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105837216A (en) * 2016-03-22 2016-08-10 西安铂力特激光成形技术有限公司 Preparation method of ceramic part
CN106866164A (en) * 2017-02-27 2017-06-20 西安交通大学 A kind of ceramic composite manufacturing process based on fiber reinforced ceramic precursor 3D printing technique

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
CN105837216A (en) * 2016-03-22 2016-08-10 西安铂力特激光成形技术有限公司 Preparation method of ceramic part
CN106866164A (en) * 2017-02-27 2017-06-20 西安交通大学 A kind of ceramic composite manufacturing process based on fiber reinforced ceramic precursor 3D printing technique

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陈朝辉等: "《先驱体结构陶瓷》", 30 September 2003, 国防科技大学出版社 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109535333A (en) * 2018-10-11 2019-03-29 南方科技大学 A kind of photosensitive resin and preparation method thereof and ceramic slurry, 3D printing product
CN109678525A (en) * 2019-01-09 2019-04-26 北京理工大学 A kind of silicon nitride ceramic material and preparation method thereof based on polysilazane precursor
CN110451986A (en) * 2019-09-09 2019-11-15 中国人民解放军国防科技大学 Photocuring 3D printing SiCN ceramic precursor material and application thereof
CN110451986B (en) * 2019-09-09 2021-12-10 中国人民解放军国防科技大学 Photocuring 3D printing SiCN ceramic precursor material and application thereof
CN113336555A (en) * 2021-06-24 2021-09-03 浙江大学 Photocuring type 3D printing manufacturing method of integral SiC-based microreactor

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Application publication date: 20180727