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A platform for research: civil engineering, architecture and urbanism
3D printing method for porous ceramic with regular pore structure
The invention discloses a porous ceramic 3D printing method with regular pore structure, wherein the porous ceramic 3D comprises the steps: preparing ceramic slurry with a coating characteristic, dip-coating an organic fiber grid sheet with the slurry, and drying to prepare an organic fiber grid skeleton ceramic composite sheet; establishing a three-dimensional digital model of a target green body, and performing computer layering processing on the digital model to obtain laser scanning cutting path data corresponding to the peripheral contour of each layer of two-dimensional digital model; connecting laser scanning cutting equipment with a spreading device; laying a layer of ceramic composite material sheet on a printing platform, scanning the peripheral contour of a two-dimensional digital model corresponding to the layer of sheet through lasers, performing gasification cutting on the sheet, and evenly coating the upper surface of the layer of sheet with a bonding material. The porous structure ceramic can be prepared, and has the advantages of regular pore shape, consistent pore size, uniform pore distribution, high part specific strength, low processing cost, high efficiency and the like.
本发明公开了一种规则孔隙结构多孔陶瓷3D打印方法，包括配制具有涂挂特性的陶瓷浆料，将浆料浸涂于有机纤维网格片材上，经干燥后制成有机纤维网格骨架陶瓷复合材料片材；建立目标坯体的三维数字模型，对数字模型进行计算机分层处理，获取每层二维数字模型外围轮廓对应的激光扫描切割路径数据；将激光扫描切割设备与铺料装置相连接；将一层陶瓷复合材料片材铺设在打印平台上，采用激光扫描该层片材对应的二维数字模型外围轮廓，实现对片材的气化切割，在该层片材上表面均匀涂覆粘结材料。本发明可制得多孔结构陶瓷，具有孔隙形状规则、孔径大小一致、孔隙分布均匀、零件比强度高、加工成本低、效率高等优点。
3D printing method for porous ceramic with regular pore structure
The invention discloses a porous ceramic 3D printing method with regular pore structure, wherein the porous ceramic 3D comprises the steps: preparing ceramic slurry with a coating characteristic, dip-coating an organic fiber grid sheet with the slurry, and drying to prepare an organic fiber grid skeleton ceramic composite sheet; establishing a three-dimensional digital model of a target green body, and performing computer layering processing on the digital model to obtain laser scanning cutting path data corresponding to the peripheral contour of each layer of two-dimensional digital model; connecting laser scanning cutting equipment with a spreading device; laying a layer of ceramic composite material sheet on a printing platform, scanning the peripheral contour of a two-dimensional digital model corresponding to the layer of sheet through lasers, performing gasification cutting on the sheet, and evenly coating the upper surface of the layer of sheet with a bonding material. The porous structure ceramic can be prepared, and has the advantages of regular pore shape, consistent pore size, uniform pore distribution, high part specific strength, low processing cost, high efficiency and the like.
本发明公开了一种规则孔隙结构多孔陶瓷3D打印方法，包括配制具有涂挂特性的陶瓷浆料，将浆料浸涂于有机纤维网格片材上，经干燥后制成有机纤维网格骨架陶瓷复合材料片材；建立目标坯体的三维数字模型，对数字模型进行计算机分层处理，获取每层二维数字模型外围轮廓对应的激光扫描切割路径数据；将激光扫描切割设备与铺料装置相连接；将一层陶瓷复合材料片材铺设在打印平台上，采用激光扫描该层片材对应的二维数字模型外围轮廓，实现对片材的气化切割，在该层片材上表面均匀涂覆粘结材料。本发明可制得多孔结构陶瓷，具有孔隙形状规则、孔径大小一致、孔隙分布均匀、零件比强度高、加工成本低、效率高等优点。
3D printing method for porous ceramic with regular pore structure
一种规则孔隙结构多孔陶瓷3D打印方法
ZHANG GENG (author) / CHEN HUA (author) / CAO YAN (author) / LIU BAOLONG (author) / LIU ZHENG (author) / FANG YADONG (author)
2020-04-24
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
/
B33Y
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
,
Additive (generative) Fertigung, d. h. die Herstellung von dreidimensionalen [3D] Bauteilen durch additive Abscheidung, additive Agglomeration oder additive Schichtung, z. B. durch 3D- Drucken, Stereolithografie oder selektives Lasersintern
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