Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Silicon carbide ceramic slurry for photocuring 3D printing, silicon carbide ceramic and preparation method of silicon carbide ceramic slurry
The invention provides silicon carbide ceramic slurry for photocuring 3D printing, silicon carbide ceramic and a preparation method of the silicon carbide ceramic, and relates to the technical field of 3D printing ceramic. According to the preparation method of the silicon carbide ceramic slurry for photocuring 3D printing, the SiC powder is wrapped with Y2O3-Al2O3, and the relative dosage of the yttrium oxide precursor, the aluminum oxide precursor and the SiC powder is controlled, so that the solid content, the curing depth and the curing efficiency are improved. The invention further provides a preparation method of the silicon carbide ceramic, the silicon carbide ceramic slurry with high solid content, high curing depth and high curing efficiency is adopted in the method, the silicon carbide slurry can better guarantee the integrity of the silicon carbide ceramic in the printing process, and deformation and cracking phenomena caused by sintering are reduced. Meanwhile, Y2O3 and Al2O3 can also be used as sintering aids of SiC, so that the density of sintered silicon carbide is improved, and the mechanical property of the silicon carbide ceramic is further improved.
本发明提供了一种用于光固化3D打印的碳化硅陶瓷浆料、碳化硅陶瓷及其制备方法，涉及3D打印陶瓷技术领域。本发明提供的用于光固化3D打印的碳化硅陶瓷浆料的制备方法，通过采用Y2O3‑Al2O3包裹SiC粉末，并通过控制氧化钇前驱体、氧化铝前驱体和SiC粉的相对用量，提高了固含量、固化深度和固化效率。本发明还提供了碳化硅陶瓷的制备方法，该方法采用上述高固含量、高固化深度和高固化效率的碳化硅陶瓷浆料，该碳化硅浆料在打印过程中可以更好地保证碳化硅陶瓷的完整度，降低因烧结而产生的变形和开裂现象。同时，Y2O3和Al2O3还可作为SiC的烧结助剂，提高烧结碳化硅的致密度，进而提高碳化硅陶瓷的力学性能。
Silicon carbide ceramic slurry for photocuring 3D printing, silicon carbide ceramic and preparation method of silicon carbide ceramic slurry
The invention provides silicon carbide ceramic slurry for photocuring 3D printing, silicon carbide ceramic and a preparation method of the silicon carbide ceramic, and relates to the technical field of 3D printing ceramic. According to the preparation method of the silicon carbide ceramic slurry for photocuring 3D printing, the SiC powder is wrapped with Y2O3-Al2O3, and the relative dosage of the yttrium oxide precursor, the aluminum oxide precursor and the SiC powder is controlled, so that the solid content, the curing depth and the curing efficiency are improved. The invention further provides a preparation method of the silicon carbide ceramic, the silicon carbide ceramic slurry with high solid content, high curing depth and high curing efficiency is adopted in the method, the silicon carbide slurry can better guarantee the integrity of the silicon carbide ceramic in the printing process, and deformation and cracking phenomena caused by sintering are reduced. Meanwhile, Y2O3 and Al2O3 can also be used as sintering aids of SiC, so that the density of sintered silicon carbide is improved, and the mechanical property of the silicon carbide ceramic is further improved.
本发明提供了一种用于光固化3D打印的碳化硅陶瓷浆料、碳化硅陶瓷及其制备方法，涉及3D打印陶瓷技术领域。本发明提供的用于光固化3D打印的碳化硅陶瓷浆料的制备方法，通过采用Y2O3‑Al2O3包裹SiC粉末，并通过控制氧化钇前驱体、氧化铝前驱体和SiC粉的相对用量，提高了固含量、固化深度和固化效率。本发明还提供了碳化硅陶瓷的制备方法，该方法采用上述高固含量、高固化深度和高固化效率的碳化硅陶瓷浆料，该碳化硅浆料在打印过程中可以更好地保证碳化硅陶瓷的完整度，降低因烧结而产生的变形和开裂现象。同时，Y2O3和Al2O3还可作为SiC的烧结助剂，提高烧结碳化硅的致密度，进而提高碳化硅陶瓷的力学性能。
Silicon carbide ceramic slurry for photocuring 3D printing, silicon carbide ceramic and preparation method of silicon carbide ceramic slurry
一种用于光固化3D打印的碳化硅陶瓷浆料、碳化硅陶瓷及其制备方法
HE GUANGQI (Autor:in) / YANG LIANJIANG (Autor:in) / WU YANJIAO (Autor:in) / WANG JIAN (Autor:in) / YANG DAN (Autor:in) / LIU JIE (Autor:in) / XIONG LIJUN (Autor:in) / XU BIN (Autor:in) / WANG YONGHUI (Autor:in) / QIN WEI (Autor:in)
10.12.2024
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
Silicon carbide ceramic photocuring slurry and preparation method thereof
| Europäisches Patentamt | 2024
| Europäisches Patentamt | 2023
| Europäisches Patentamt | 2024
Photocuring silicon carbide ceramic slurry as well as preparation method and application thereof
| Europäisches Patentamt | 2021
| Europäisches Patentamt | 2023