A kind of clay mud material for direct molding 3D ceramic printing and its preparation method and application
A technology of 3D printing and ceramic aggregates, applied in the field of 3D printing, to achieve the effect of simple and easy preparation method, high printing accuracy, simple and reliable control method
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Embodiment 1
[0036] 1. In this embodiment, a method for preparing clay mud for direct molding 3D ceramic printing, the steps are as follows:
[0037] (1) Dissolve 1g of sodium polyphosphate in 60g of deionized water and mix evenly to obtain a dispersant solution;
[0038] (2) 183g of calcined kaolin (d50=0.5μm) was gradually added to the dispersant solution under high-speed stirring (4000rpm) and mixed uniformly to obtain suspension A;
[0039] (3) 0.488g of guar gum powder was also added into suspension A under high-speed stirring to form suspension B;
[0040] (4) Add 0.244g sodium carboxymethyl cellulose (viscosity 300-800mPa·s) into the suspension B, and continue to stir for 60 minutes to obtain a clay slurry for direct molding 3D ceramic printing with a solid content of 74.8%.
[0041] 2. In this embodiment, an application of clay mud material for direct molding 3D ceramic printing is used for direct molding 3D printing ceramic devices, and the steps are as follows:
[0042] (1) Put...
Embodiment 2
[0048] 1. In this embodiment, a method for preparing clay mud for direct molding 3D ceramic printing, the steps are as follows:
[0049] (1) Dissolve 1g of sodium polyphosphate in 60g of deionized water and mix evenly to obtain a dispersant solution;
[0050] (2) 180g ceramic aggregate powder (it is composed of: kaolin 70%, calcite 4%, albite 2%, talc 5%, α-Al 2 o 3 16.5%, BaCO 3 1%, SiO 2 1.5%), under high-speed stirring conditions (4000rpm), gradually added to the dispersant solution and mixed evenly to obtain suspension A;
[0051] (3) 0.50g of guar gum powder is also added to suspension A under high-speed stirring to form suspension B;
[0052] (4) Add 0.25g sodium carboxymethyl cellulose (viscosity 300-800mPa·s) and 0.35g polyvinyl alcohol 1799 into the suspension B, and continue to stir for 60min to obtain the clay slurry for direct molding 3D ceramic printing. The solid content is 74.3%.
[0053] 2. In this embodiment, an application of clay mud material for di...
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