Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Silicon nitride ceramic generation method based on photocuring 3D printing
The invention provides a silicon nitride ceramic generation method based on photocuring 3D printing, which comprises the following steps: performing photocuring on a silicon nitride ceramic piece through a silicon nitride precursor material, a photosensitive resin premixed solution, a diluent and a light absorber to obtain a silicon nitride precursor 3D structure, and performing heat treatment on the silicon nitride precursor 3D structure to obtain a silicon nitride ceramic body, the silicon nitride photocuring precursor material has good curing performance, and by optimizing raw material selection and forming steps, the problems that silicon nitride powder has light absorption, the obtained curing thickness is low, high exposure power and exposure time are needed in the forming process, and the service life of equipment and the printing efficiency are affected are solved. By using the method, the silicon nitride ceramic body with good morphology and structure, good surface quality and relatively high forming precision can be obtained, and the reliability of the ceramic body is improved.
本发明提供一种基于光固化3D打印的氮化硅陶瓷生成方法，氮化硅陶瓷件通过氮化硅前体材料、光敏树脂预混液、稀释剂、光吸收剂，进行光固化得到氮化硅前体3D结构，再对氮化硅前体3D结构进行热处理得到氮化硅陶瓷体，氮化硅光固化前体材料的固化性能较好，通过优化原料选择和成型步骤，解决了氮化硅粉体具有吸光性，所获固化厚度较低，成型过程需要较高的曝光功率与曝光时间，影响设备的寿命与打印效率的问题，使用该方法可得到形貌结构良好、表面质量好、成形精度较高的氮化硅陶瓷体，提高了陶瓷体的可靠性。
Silicon nitride ceramic generation method based on photocuring 3D printing
The invention provides a silicon nitride ceramic generation method based on photocuring 3D printing, which comprises the following steps: performing photocuring on a silicon nitride ceramic piece through a silicon nitride precursor material, a photosensitive resin premixed solution, a diluent and a light absorber to obtain a silicon nitride precursor 3D structure, and performing heat treatment on the silicon nitride precursor 3D structure to obtain a silicon nitride ceramic body, the silicon nitride photocuring precursor material has good curing performance, and by optimizing raw material selection and forming steps, the problems that silicon nitride powder has light absorption, the obtained curing thickness is low, high exposure power and exposure time are needed in the forming process, and the service life of equipment and the printing efficiency are affected are solved. By using the method, the silicon nitride ceramic body with good morphology and structure, good surface quality and relatively high forming precision can be obtained, and the reliability of the ceramic body is improved.
本发明提供一种基于光固化3D打印的氮化硅陶瓷生成方法，氮化硅陶瓷件通过氮化硅前体材料、光敏树脂预混液、稀释剂、光吸收剂，进行光固化得到氮化硅前体3D结构，再对氮化硅前体3D结构进行热处理得到氮化硅陶瓷体，氮化硅光固化前体材料的固化性能较好，通过优化原料选择和成型步骤，解决了氮化硅粉体具有吸光性，所获固化厚度较低，成型过程需要较高的曝光功率与曝光时间，影响设备的寿命与打印效率的问题，使用该方法可得到形貌结构良好、表面质量好、成形精度较高的氮化硅陶瓷体，提高了陶瓷体的可靠性。
Silicon nitride ceramic generation method based on photocuring 3D printing
一种基于光固化3D打印的氮化硅陶瓷生成方法
ZENG XIAOFENG (Autor:in) / LIU JIANPING (Autor:in) / QIAN LIHONG (Autor:in) / LI YONGQUAN (Autor:in) / ZHU FULIN (Autor:in)
16.07.2024
Patent
Elektronische Ressource
Chinesisch
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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