Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation method of novel direct-writing type 3D printing high-strength mullite porous ceramic
The invention relates to the technical field of high-temperature filtration, and discloses a novel direct-writing type 3D printing high-strength mullite porous ceramic which comprises the following raw materials in percentage by mass: 20-40% of aluminum oxide powder; 10%-30% of silica fume powder; 0.5%-2% of trisodium citrate; 0.5%-2% of hydroxypropyl methyl cellulose; 30% to 50% of polymethyl methacrylate microspheres; and 5%-15% of mullite fiber cotton. The porous structure of the mullite porous ceramic is formed by decomposing polymethyl methacrylate microspheres in the sintering process, the particle size D50 of the aluminum oxide powder is 0.5 mu m, the particle size D50 of the silica fume powder is 0.2 mu m, the mass ratio of aluminum oxide to silica fume is 1.35: 1, and the fiber diameter of the mullite fiber cotton is 3-5 mu m. By adding the polymethyl methacrylate microspheres into the ceramic slurry, the microspheres are decomposed to form a pore structure in the sintering process, and the pore diameter and porosity can be adjusted through the particle size and content of the microspheres, so that the ceramic can adapt to different application requirements.
本发明涉及高温过滤技术领域，公开了一种新型直写式3D打印高强度莫来石多孔陶瓷，包括以下质量百分比的原料，氧化铝粉体：20％～40％；硅灰粉体：10％～30％；柠檬酸三钠：0.5％～2％；羟丙基甲基纤维素：0.5％～2％；聚甲基丙烯酸甲酯微球：30％～50％；莫来石纤维棉：5％～15％。所述莫来石多孔陶瓷的孔隙结构由聚甲基丙烯酸甲酯微球在烧结过程中分解形成，所述氧化铝粉体的粒径D50为0.5μm，硅灰粉体的粒径D50为0.2μm，氧化铝与硅灰的质量比为1.35:1，所述莫来石纤维棉的纤维直径为3μm～5μm。通过在陶瓷浆料中添加聚甲基丙烯酸甲酯微球，烧结过程中微球分解形成孔隙结构，孔隙直径和孔隙率可通过微球的粒径和含量进行调节，使得该陶瓷能够适应不同的应用需求。
Preparation method of novel direct-writing type 3D printing high-strength mullite porous ceramic
The invention relates to the technical field of high-temperature filtration, and discloses a novel direct-writing type 3D printing high-strength mullite porous ceramic which comprises the following raw materials in percentage by mass: 20-40% of aluminum oxide powder; 10%-30% of silica fume powder; 0.5%-2% of trisodium citrate; 0.5%-2% of hydroxypropyl methyl cellulose; 30% to 50% of polymethyl methacrylate microspheres; and 5%-15% of mullite fiber cotton. The porous structure of the mullite porous ceramic is formed by decomposing polymethyl methacrylate microspheres in the sintering process, the particle size D50 of the aluminum oxide powder is 0.5 mu m, the particle size D50 of the silica fume powder is 0.2 mu m, the mass ratio of aluminum oxide to silica fume is 1.35: 1, and the fiber diameter of the mullite fiber cotton is 3-5 mu m. By adding the polymethyl methacrylate microspheres into the ceramic slurry, the microspheres are decomposed to form a pore structure in the sintering process, and the pore diameter and porosity can be adjusted through the particle size and content of the microspheres, so that the ceramic can adapt to different application requirements.
本发明涉及高温过滤技术领域，公开了一种新型直写式3D打印高强度莫来石多孔陶瓷，包括以下质量百分比的原料，氧化铝粉体：20％～40％；硅灰粉体：10％～30％；柠檬酸三钠：0.5％～2％；羟丙基甲基纤维素：0.5％～2％；聚甲基丙烯酸甲酯微球：30％～50％；莫来石纤维棉：5％～15％。所述莫来石多孔陶瓷的孔隙结构由聚甲基丙烯酸甲酯微球在烧结过程中分解形成，所述氧化铝粉体的粒径D50为0.5μm，硅灰粉体的粒径D50为0.2μm，氧化铝与硅灰的质量比为1.35:1，所述莫来石纤维棉的纤维直径为3μm～5μm。通过在陶瓷浆料中添加聚甲基丙烯酸甲酯微球，烧结过程中微球分解形成孔隙结构，孔隙直径和孔隙率可通过微球的粒径和含量进行调节，使得该陶瓷能够适应不同的应用需求。
Preparation method of novel direct-writing type 3D printing high-strength mullite porous ceramic
一种新型直写式3D打印高强度莫来石多孔陶瓷的制备方法
WANG CHAOCHAO (Autor:in) / LIU JIN (Autor:in) / WU XUDONG (Autor:in) / TANG YI (Autor:in)
31.12.2024
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
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