Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Ceramic precursor slurry for additive manufacturing and additive manufacturing process
The invention discloses ceramic precursor slurry for additive manufacturing and an additive manufacturing process, and belongs to the technical field of additive manufacturing of ceramic materials. The process comprises the following steps: preparing a precursor solution by taking bifunctional acrylate silicon resin with relatively high silicon element content as a main raw material, adding inert filler nano SiC powder with different mass fractions into the precursor liquid-phase solution, directly forming a ceramic material by utilizing a photocuring and in-situ sintering ceramization technology, flatly laying a layer of precursor material, curing the material through the light curing technology, then cramizing the material in an infrared light sintering mode, so that layer-by-layer curing and layer-by-layer sintering are conducted in sequence, and finally direct integrated forming of a complex ceramic structure is achieved. The inert filler is added into the precursor solution, so that the volume shrinkage of the precursor ceramic in the sintering process is reduced, the generation of cracks and pores is reduced, and both the efficiency and the yield are maximized.
本发明公开了一种用于增材制造的陶瓷先驱体浆料和增材制造工艺，属于陶瓷材料的增材制造技术领域。该工艺以硅元素含量较高的双官能团丙烯酸酯硅树脂为主要原料制备先驱体溶液，同时将不同质量分数的惰性填料纳米SiC粉末加入到先驱体液相溶液中，利用光固化和原位烧结陶瓷化技术实现陶瓷类材料的直接成型，先平铺一层先驱体材料，采用光固化技术实现材料固化，再采用红外光烧结的方式将材料陶瓷化，如此依次逐层固化、逐层烧结最终实现复杂陶瓷结构的直接一体化成型。将惰性填料加入到先驱体溶液中，以减少先驱体陶瓷在烧结过程中体积收缩，同时减少裂纹和孔隙的产生，兼顾效率与产率的最大化。
Ceramic precursor slurry for additive manufacturing and additive manufacturing process
The invention discloses ceramic precursor slurry for additive manufacturing and an additive manufacturing process, and belongs to the technical field of additive manufacturing of ceramic materials. The process comprises the following steps: preparing a precursor solution by taking bifunctional acrylate silicon resin with relatively high silicon element content as a main raw material, adding inert filler nano SiC powder with different mass fractions into the precursor liquid-phase solution, directly forming a ceramic material by utilizing a photocuring and in-situ sintering ceramization technology, flatly laying a layer of precursor material, curing the material through the light curing technology, then cramizing the material in an infrared light sintering mode, so that layer-by-layer curing and layer-by-layer sintering are conducted in sequence, and finally direct integrated forming of a complex ceramic structure is achieved. The inert filler is added into the precursor solution, so that the volume shrinkage of the precursor ceramic in the sintering process is reduced, the generation of cracks and pores is reduced, and both the efficiency and the yield are maximized.
本发明公开了一种用于增材制造的陶瓷先驱体浆料和增材制造工艺，属于陶瓷材料的增材制造技术领域。该工艺以硅元素含量较高的双官能团丙烯酸酯硅树脂为主要原料制备先驱体溶液，同时将不同质量分数的惰性填料纳米SiC粉末加入到先驱体液相溶液中，利用光固化和原位烧结陶瓷化技术实现陶瓷类材料的直接成型，先平铺一层先驱体材料，采用光固化技术实现材料固化，再采用红外光烧结的方式将材料陶瓷化，如此依次逐层固化、逐层烧结最终实现复杂陶瓷结构的直接一体化成型。将惰性填料加入到先驱体溶液中，以减少先驱体陶瓷在烧结过程中体积收缩，同时减少裂纹和孔隙的产生，兼顾效率与产率的最大化。
Ceramic precursor slurry for additive manufacturing and additive manufacturing process
一种用于增材制造的陶瓷先驱体浆料和增材制造工艺
ZHAO JIBIN (Autor:in) / ZHAO YUHUI (Autor:in) / WANG ZHIYONG (Autor:in) / WANG ZHIGUO (Autor:in) / HE ZHENFENG (Autor:in) / LI LUN (Autor:in) / ZHANG HONGWEI (Autor:in)
25.01.2022
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
Method for additive manufacturing of ceramic microsphere reinforced precursor ceramic
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