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Preparation method of photocuring 3D printing silicon nitride ceramic and silicon nitride ceramic
The invention discloses a photocuring 3D printing silicon nitride ceramic preparation method and silicon nitride ceramic, the photocuring 3D printing silicon nitride ceramic preparation method comprises the following steps: preparing a mixed solid material, the mixed solid material comprising silicon nitride ceramic powder; carrying out heat treatment on the mixed solid material, and then screening to obtain primary modified silicon nitride ceramic powder; the surface of the modified silicon nitride ceramic powder is partially or completely coated with silicon dioxide; performing secondary surface modification on the primary modified silicon nitride ceramic powder to obtain secondary modified silicon nitride ceramic powder; preparing photocuring slurry from the secondary modified silicon nitride ceramic powder; the photocuring slurry is prepared into a silicon nitride ceramic green body through a 3D printing technology; carrying out glue removal on the silicon nitride ceramic green body to obtain a silicon nitride ceramic primary green body; and sintering the silicon nitride ceramic primary green body to obtain the silicon nitride ceramic, the prepared silicon nitride ceramic is large in thickness, good in formability, high in efficiency and high in yield.
本发明公开一种光固化3D打印氮化硅陶瓷制备方法及氮化硅陶瓷，光固化3D打印氮化硅陶瓷制备方法包括以下步骤：制备混合固体物料，所述混合固体物料包括氮化硅陶瓷粉体；对混合固体物料进行热处理，然后进行筛分，得到一次改性氮化硅陶瓷粉体；所述改性氮化硅硅陶瓷粉体表面部分或全部包覆二氧化硅；将一次改性氮化硅陶瓷粉体进行二次表面改性，得到二次改性氮化硅陶瓷粉体；通过所述二次改性氮化硅陶瓷粉体制备光固化料浆；所述光固化料浆通过3D打印技术制备氮化硅陶瓷坯体；将所述氮化硅陶瓷坯体进行排胶，得到氮化硅陶瓷初级坯体；将所述氮化硅陶瓷初级坯体进行烧结，得到氮化硅陶瓷；实现制备氮化硅陶瓷厚度大、成型性好，效率高、成品率高。
Preparation method of photocuring 3D printing silicon nitride ceramic and silicon nitride ceramic
The invention discloses a photocuring 3D printing silicon nitride ceramic preparation method and silicon nitride ceramic, the photocuring 3D printing silicon nitride ceramic preparation method comprises the following steps: preparing a mixed solid material, the mixed solid material comprising silicon nitride ceramic powder; carrying out heat treatment on the mixed solid material, and then screening to obtain primary modified silicon nitride ceramic powder; the surface of the modified silicon nitride ceramic powder is partially or completely coated with silicon dioxide; performing secondary surface modification on the primary modified silicon nitride ceramic powder to obtain secondary modified silicon nitride ceramic powder; preparing photocuring slurry from the secondary modified silicon nitride ceramic powder; the photocuring slurry is prepared into a silicon nitride ceramic green body through a 3D printing technology; carrying out glue removal on the silicon nitride ceramic green body to obtain a silicon nitride ceramic primary green body; and sintering the silicon nitride ceramic primary green body to obtain the silicon nitride ceramic, the prepared silicon nitride ceramic is large in thickness, good in formability, high in efficiency and high in yield.
本发明公开一种光固化3D打印氮化硅陶瓷制备方法及氮化硅陶瓷，光固化3D打印氮化硅陶瓷制备方法包括以下步骤：制备混合固体物料，所述混合固体物料包括氮化硅陶瓷粉体；对混合固体物料进行热处理，然后进行筛分，得到一次改性氮化硅陶瓷粉体；所述改性氮化硅硅陶瓷粉体表面部分或全部包覆二氧化硅；将一次改性氮化硅陶瓷粉体进行二次表面改性，得到二次改性氮化硅陶瓷粉体；通过所述二次改性氮化硅陶瓷粉体制备光固化料浆；所述光固化料浆通过3D打印技术制备氮化硅陶瓷坯体；将所述氮化硅陶瓷坯体进行排胶，得到氮化硅陶瓷初级坯体；将所述氮化硅陶瓷初级坯体进行烧结，得到氮化硅陶瓷；实现制备氮化硅陶瓷厚度大、成型性好，效率高、成品率高。
Preparation method of photocuring 3D printing silicon nitride ceramic and silicon nitride ceramic
一种光固化3D打印氮化硅陶瓷制备方法及氮化硅陶瓷
2024-08-13
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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