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Silicon nitride ceramic 3D printing forming process
The invention relates to the technical field of silicon nitride ceramic device preparation, and discloses a silicon nitride ceramic 3D printing forming technology, and the specific technological process comprises the following steps: mixing silicon nitride powder, a sintering aid and a dispersant, then carrying out ball milling, drying, crushing and sieving to obtain mixed powder; adding the mixed powder into a mixed solution of light-cured resin and a diluent, stirring, adding a dispersing agent, a photoinitiator and a polymerization inhibitor, continuously stirring, and filtering to obtain silicon nitride slurry; the 3D model in the computer is decomposed into layer-by-layer slices through slicing software, and a printer platform is coated; the silicon nitride slurry is poured into a 3D printer trough, printing is performed according to layer-by-layer slicing, layer-by-layer stacking forming is performed, a silicon nitride ceramic blank is obtained, and then degreasing and sintering are performed to obtain the silicon nitride ceramic. The technology is simple in process, high in efficiency and free of pollution, the silicon nitride ceramic curing film can be stably connected with a printing platform, and the prepared silicon nitride ceramic is good in curing effect and excellent in performance.
本发明涉及氮化硅陶瓷器件制备技术领域，公开了一种氮化硅陶瓷3D打印成型工艺，具体工艺过程将氮化硅粉、烧结助剂和分散剂混合后球磨，经干燥、粉碎过筛，得到混合粉体；将混合粉体加入光固化树脂与稀释剂的混合液中并搅拌，再加入分散剂、光引发剂和阻聚剂继续搅拌，经过滤得到氮化硅浆料；将计算机中的3D模型使用切片软件分解成逐层切片，并对打印机平台进行涂层；将氮化硅浆料倒入3D打印机料槽中，根据逐层切片进行打印，逐层堆积成型，得到氮化硅陶瓷胚体后进行脱脂和烧结得到氮化硅陶瓷。该工艺过程简单，效率高且无污染，氮化硅陶瓷固化薄膜可以稳定地与打印平台接合，制备得到的氮化硅陶瓷的固化效果较好且性能优异。
Silicon nitride ceramic 3D printing forming process
The invention relates to the technical field of silicon nitride ceramic device preparation, and discloses a silicon nitride ceramic 3D printing forming technology, and the specific technological process comprises the following steps: mixing silicon nitride powder, a sintering aid and a dispersant, then carrying out ball milling, drying, crushing and sieving to obtain mixed powder; adding the mixed powder into a mixed solution of light-cured resin and a diluent, stirring, adding a dispersing agent, a photoinitiator and a polymerization inhibitor, continuously stirring, and filtering to obtain silicon nitride slurry; the 3D model in the computer is decomposed into layer-by-layer slices through slicing software, and a printer platform is coated; the silicon nitride slurry is poured into a 3D printer trough, printing is performed according to layer-by-layer slicing, layer-by-layer stacking forming is performed, a silicon nitride ceramic blank is obtained, and then degreasing and sintering are performed to obtain the silicon nitride ceramic. The technology is simple in process, high in efficiency and free of pollution, the silicon nitride ceramic curing film can be stably connected with a printing platform, and the prepared silicon nitride ceramic is good in curing effect and excellent in performance.
本发明涉及氮化硅陶瓷器件制备技术领域，公开了一种氮化硅陶瓷3D打印成型工艺，具体工艺过程将氮化硅粉、烧结助剂和分散剂混合后球磨，经干燥、粉碎过筛，得到混合粉体；将混合粉体加入光固化树脂与稀释剂的混合液中并搅拌，再加入分散剂、光引发剂和阻聚剂继续搅拌，经过滤得到氮化硅浆料；将计算机中的3D模型使用切片软件分解成逐层切片，并对打印机平台进行涂层；将氮化硅浆料倒入3D打印机料槽中，根据逐层切片进行打印，逐层堆积成型，得到氮化硅陶瓷胚体后进行脱脂和烧结得到氮化硅陶瓷。该工艺过程简单，效率高且无污染，氮化硅陶瓷固化薄膜可以稳定地与打印平台接合，制备得到的氮化硅陶瓷的固化效果较好且性能优异。
Silicon nitride ceramic 3D printing forming process
一种氮化硅陶瓷3D打印成型工艺
QIAN LIHONG (author) / ZENG XIAOFENG (author) / ZHU FULIN (author) / XIAO LIANG (author) / TAN QINGWEN (author)
2024-09-03
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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