A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Preparation method of transparent ceramic based on laser sintering 3D printing MgAl2O4 powder
The invention belongs to the field of ceramics, and relates to a preparation method of a transparent ceramic profile based on laser sintering 3D printing MgAl2O4 powder, which comprises the following steps: synthesizing MgAl2O4 powder; the MgAl2O4 powder is subjected to acid pickling; repeatedly centrifuging and washing; the obtained precipitate is dried, calcined, ground and sieved, and pretreated MgAl2O4 powder is obtained; the preparation method comprises the following steps: heating a polyurethane hot melt adhesive and soluble starch to fully dissolve, adding ammonium citrate and deionized water, uniformly mixing, adding pretreated MgAl2O4 powder, uniformly mixing, and stirring at 50-70 DEG C to react; carrying out spray drying to obtain granulated MgAl2O4 powder; uniformly mixing the granulated MgAl2O4 powder, ethanediamine, zinc stearate and ABS resin, and putting the mixture into a particle grinding machine for grinding; n, N-dimethylformamide is added for continuous grinding; carrying out spray drying to obtain modified granulated MgAl2O4 powder; the modified granulated MgAl2O4 powder is used as a raw material, and the transparent ceramic profile is obtained through laser sintering and 3D printing processing. By means of the method, the machining precision and the yield of the precise, special-shaped and complex transparent ceramic profile are improved; the comprehensive performance of the transparent ceramic profile is improved.
本发明属于陶瓷领域，涉及基于激光烧结3D打印MgAl2O4粉体的透明陶瓷型材的制备方法，其包括：MgAl2O4粉体的合成；将MgAl2O4粉体酸洗；反复离心水洗；将所得沉淀物干燥，煅烧，研磨，过筛，得到经预处理的MgAl2O4粉体；先将聚氨酯热熔胶和可溶性淀粉加热充分溶解，再加入柠檬酸铵和去离子水混匀，再加入经预处理的MgAl2O4粉体混匀，在50～70℃下搅拌反应；喷雾干燥，得到造粒MgAl2O4粉体；将造粒MgAl2O4粉体、乙二胺、硬脂酸锌和ABS树脂混匀并置于颗粒研磨机中研磨；加入N,N‑二甲基酰胺继续研磨；喷雾干燥，以得到改性造粒MgAl2O4粉体；以改性造粒MgAl2O4粉体为原料，激光烧结3D打印加工得到透明陶瓷型材。该方法提高精密、异型、复杂的透明陶瓷型材的加工精度和成品率；提升透明陶瓷型材的综合性能。
Preparation method of transparent ceramic based on laser sintering 3D printing MgAl2O4 powder
The invention belongs to the field of ceramics, and relates to a preparation method of a transparent ceramic profile based on laser sintering 3D printing MgAl2O4 powder, which comprises the following steps: synthesizing MgAl2O4 powder; the MgAl2O4 powder is subjected to acid pickling; repeatedly centrifuging and washing; the obtained precipitate is dried, calcined, ground and sieved, and pretreated MgAl2O4 powder is obtained; the preparation method comprises the following steps: heating a polyurethane hot melt adhesive and soluble starch to fully dissolve, adding ammonium citrate and deionized water, uniformly mixing, adding pretreated MgAl2O4 powder, uniformly mixing, and stirring at 50-70 DEG C to react; carrying out spray drying to obtain granulated MgAl2O4 powder; uniformly mixing the granulated MgAl2O4 powder, ethanediamine, zinc stearate and ABS resin, and putting the mixture into a particle grinding machine for grinding; n, N-dimethylformamide is added for continuous grinding; carrying out spray drying to obtain modified granulated MgAl2O4 powder; the modified granulated MgAl2O4 powder is used as a raw material, and the transparent ceramic profile is obtained through laser sintering and 3D printing processing. By means of the method, the machining precision and the yield of the precise, special-shaped and complex transparent ceramic profile are improved; the comprehensive performance of the transparent ceramic profile is improved.
本发明属于陶瓷领域，涉及基于激光烧结3D打印MgAl2O4粉体的透明陶瓷型材的制备方法，其包括：MgAl2O4粉体的合成；将MgAl2O4粉体酸洗；反复离心水洗；将所得沉淀物干燥，煅烧，研磨，过筛，得到经预处理的MgAl2O4粉体；先将聚氨酯热熔胶和可溶性淀粉加热充分溶解，再加入柠檬酸铵和去离子水混匀，再加入经预处理的MgAl2O4粉体混匀，在50～70℃下搅拌反应；喷雾干燥，得到造粒MgAl2O4粉体；将造粒MgAl2O4粉体、乙二胺、硬脂酸锌和ABS树脂混匀并置于颗粒研磨机中研磨；加入N,N‑二甲基酰胺继续研磨；喷雾干燥，以得到改性造粒MgAl2O4粉体；以改性造粒MgAl2O4粉体为原料，激光烧结3D打印加工得到透明陶瓷型材。该方法提高精密、异型、复杂的透明陶瓷型材的加工精度和成品率；提升透明陶瓷型材的综合性能。
Preparation method of transparent ceramic based on laser sintering 3D printing MgAl2O4 powder
一种基于激光烧结3D打印MgAl2O4粉体的透明陶瓷的制备方法
FENG YINGJUN (author) / CHEN YUE (author)
2024-02-02
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
Ceramic particle preparation process for laser sintering ceramic 3D printing
| European Patent Office | 2021
| British Library Online Contents | 2018
Atmosphere-adjusted AlON transparent ceramic sintering preparation method
| European Patent Office | 2024
Rapid sintering preparation method of infrared transparent ceramic
| European Patent Office | 2021
| European Patent Office | 2022