Ceramic micro-particles for laser sintering ceramic 3D printing, and preparation method thereof

A ceramic particle and laser sintering technology, which is applied in the field of ceramic materials, can solve the problems of unsatisfactory effect and unstable material performance, and achieve the effect of easy promotion, stable performance and good use effect

Inactive Publication Date: 2017-06-13
醴陵市陶瓷3D打印研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Although the above patents all involve the preparation of 3D printing ceramic materials, none of them can solve the problem of unsatisfactory sintered products due to unstable material properties, so it needs to be improved.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A ceramic particle for laser sintering ceramic 3D printing, including ceramic powder raw material, binder, defoaming agent and solute.

[0028] Furthermore, the mass ratio of ceramic powder raw material, binder: solute is 7:3:60, and the mass content of defoaming agent is 3‰ (total mass).

[0029] Further, the solvent used is water.

[0030] Further, the ceramic powder raw material is nano-scale alumina.

[0031] Further, the adhesive is water-soluble polyvinyl alcohol.

[0032] Further, the defoamer is a ceramic defoamer.

[0033] This embodiment also includes a method for preparing ceramic particles used in laser sintering ceramic 3D printing. The adhesive is formulated into glue, and nano-scale ceramic powder raw materials and defoaming agents are added in proportion to fully mix in water. After mixing, The material is fed into the spray granulator for spray granulation and processed into ceramic particles.

[0034] Further, the adhesive is completely dissolved, ...

Embodiment 2

[0038] The basic principle of this embodiment is the same as that of Embodiment 1, except that the formula and proportion used are different. A kind of ceramic particles for laser sintered ceramic 3D printing, including ceramic powder raw materials, adhesives, and defoaming agents and solvents.

[0039] Furthermore, the mass ratio of ceramic powder raw material, binder: solute is 9:1:25, and the mass content of defoaming agent is 2‰ (total mass).

[0040] Further, the solvent used is water.

[0041] Further, the ceramic powder raw material is nano-sized zirconia.

[0042] Further, the adhesive is water-soluble epoxy resin.

[0043] Further, the defoamer is a ceramic defoamer.

[0044] This embodiment also includes a method for preparing ceramic particles used in laser sintering ceramic 3D printing. The adhesive is formulated into glue, and nano-scale ceramic powder raw materials and defoaming agents are added in proportion to fully mix in water. After mixing, The material ...

Embodiment 3

[0050] The basic principle of this embodiment is the same as that of Embodiment 1, except that the formula and proportion used are different. A kind of ceramic particles for laser sintered ceramic 3D printing, including ceramic powder raw materials, adhesives, and defoaming agents .

[0051] Furthermore, the mass ratio of ceramic powder raw material, binder: solute is 4:1:20, and the mass content of defoaming agent is 3.5‰ (total mass).

[0052] Further, the ceramic powder raw material is nano-scale alumina and nano-scale zirconia with a mass ratio of 1:1.

[0053] Further, the adhesive is water-soluble polyvinyl alcohol and water-soluble epoxy resin with a mass ratio of 1:1.

[0054] Further, the defoamer is a ceramic defoamer.

[0055] This embodiment also includes a method for preparing ceramic particles used in laser sintering ceramic 3D printing. The adhesive is formulated into glue, and nano-scale ceramic powder raw materials and defoaming agents are added in proportion ...

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Abstract

The invention relates to ceramic micro-particles for laser sintering ceramic 3D printing, and a preparation method thereof. The ceramic micro-particles comprise a ceramic powder raw material, a binder and a defoaming agent, wherein a mass ratio of the ceramic powder raw material to the binder is 7-9:3-1, and the adding mass of the defoaming agent is 0.2-0.35% (total mass). During the preparation, the binder is prepared into a glue, the nano-scale ceramic powder raw material and the defoaming agent are added to the solvent according to a certain ratio, complete mixing is performed, the mixed material is added to a spraying granulator, and spraying granulation is performed to process the ceramic micro-particles. According to the present invention, the size of the ceramic micro-particles is controlled by using the spraying granulation so as to meet the requirements of the selective laser printer on the material; and the prepared material has the stable performance during the printing, is uniform during the sintering, and further has characteristics of good use effect, high strength, and easy popularization.

Description

technical field [0001] The invention relates to a 3D printing material and a preparation method thereof, in particular to a ceramic particle for laser sintered ceramic 3D printing and a preparation method thereof, belonging to the technical field of ceramic materials. Background technique [0002] 3D printing technology is a new rapid prototyping technology at present. It is a technology based on digital model files, using powder materials, filaments, pastes and other materials to construct objects by layer-by-layer printing. With the development and application of 3D printing technology, materials have become one of the key factors limiting the future direction of 3D printing technology. To a certain extent, the development of materials determines whether 3D printing can be more widely used. At present, 3D printing materials mainly include polymer materials, metal materials, inorganic non-metal materials and food materials. [0003] The raw material used in the ceramic 3D ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/10C04B35/48C04B35/634C04B35/626B33Y70/00C04B35/64
CPCC04B35/10B33Y70/00C04B35/48C04B35/62695C04B35/63416C04B35/63452C04B35/64C04B2235/665
Inventor 李志兴
Owner 醴陵市陶瓷3D打印研究所
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