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Ceramic material for 3D printing and preparation method thereof

A ceramic material and 3D printing technology, applied in the field of composite materials, can solve the problems of few varieties and dependence on imports, and achieve the effects of low cost, good matching, and small powder particles

Active Publication Date: 2015-12-30
TSINGHUA INNOVATION CENT IN DONGGUAN +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are few types of laser sintered ceramic materials for 3D printing on the market, mainly relying on imports

Method used

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  • Ceramic material for 3D printing and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] (1) Add 20 parts by weight of sodium pyrophosphate into 100% deionized water in a heating device at 50~80°C, and stir at a speed of 350~750r / min until the sodium pyrophosphate is fully dissolved.

[0040] (2) Add 80 parts by weight of zirconia powder to the above solution, stir at 350~750r / min at a constant temperature of 80±5°C for 1 hour, after fully reacting, cool, filter, and dry to obtain treated zirconia powder.

[0041] (3) 2 parts by weight of Y 2 o 3 , 5 parts by weight of acrylate and polyurethane resin (1:1) and 1 part by weight of single crystal sapphire whiskers were added to 200 parts by weight of absolute ethanol according to the formula, and stirred rapidly at room temperature at 500~750r / min for 2~6h .. (4) Shake the above mixture for 30~90min under ultrasonic.

[0042] (5) Add the treated zirconia powder into the above mixture, and stir at 500~750r / min for 3~15h.

[0043] (6) Dry the above mixed powder at 80-120°C and sieve to obtain the ceramic ma...

Embodiment 2

[0045] (1) Add 20 parts by weight of sodium tripolyphosphate to 200 parts by weight of deionized water in a heating device at 50-80°C, and stir at a speed of 350-750 r / min until sodium tripolyphosphate is fully dissolved.

[0046] (2) Add 90 parts by weight of zirconia powder to the above solution, stir at 350~750r / min at a constant temperature of 80±5°C for 2h, after fully reacting, cool, filter, and dry to obtain treated zirconia powder.

[0047] (3) 1 part by weight of Y 2 o 3 , 3 parts by weight of acrylate and polyurethane resin (1:1) and 3 parts by weight of single crystal sapphire whiskers were added to 200 parts by weight of absolute ethanol according to the formula, and stirred rapidly at room temperature at 500~750r / min for 2~6h ..

[0048] (4) Shake the above mixture for 30~90min under ultrasonic.

[0049] (5) Add the treated zirconia powder into the above mixture, and stir at 500~750r / min for 3~15h.

[0050] (6) Dry the above mixed powder at 80-120°C and sieve ...

Embodiment 3

[0052] (1) In a heating device at 50-80°C, add 25 parts by weight of oxalic acid into 300°C deionized water, and stir at a speed of 350-750r / min until the oxalic acid is fully dissolved.

[0053] (2) Add 100 parts by weight of zirconia powder to the above solution, stir at 350~750r / min at a constant temperature of 80±5°C for 2h, after fully reacting, cool, filter, and dry to obtain treated zirconia powder.

[0054] (3) 5 parts by weight of CeO 2 , 5 parts by weight of acrylate and polyurethane resin (2:3) and 7 parts by weight of single crystal sapphire whiskers were added to 500 parts by weight of absolute ethanol according to the formula, and stirred rapidly at room temperature at 500~750r / min for 2~6h ..

[0055](4) Shake the above mixture for 30~90min under ultrasonic.

[0056] (5) Add the treated zirconia powder into the above mixture, and stir at 500~750r / min for 3~15h.

[0057] (6) Dry the above mixed powder at 80-120°C and sieve to obtain the ceramic material for 3D...

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Abstract

The invention provides a ceramic material for 3D printing and a preparation method thereof. The ceramic material is prepared from, by weight, 50-150 parts of zirconia powder, 10-30 parts of zirconia powder treating agents, 100-500 parts of dispersion media, 1-10 parts of single-crystal sapphire whisker, 1-10 parts of stabilizing agents and 5-50 parts of light curing agents. The single-crystal sapphire whisker is added into the zirconia ceramics, so that the modulus of elasticity in static bending and the tensile strength of the product are significantly improved, and the preparation method is used for preparing high-strength and high-toughness fine engineering ceramics.

Description

technical field [0001] The invention belongs to the field of composite materials, and in particular relates to a method for preparing ceramic materials for 3D printing. Background technique [0002] The principle of 3D printing technology is stacked manufacturing, which is a technology that increases materials layer by layer to generate three-dimensional entities, so it is also called additive manufacturing technology. In recent years, additive manufacturing technology has developed rapidly and has had a huge impact on the manufacturing industry. It has received great attention from countries all over the world. It has been hailed as another industrial revolution that subverts traditional manufacturing and has been included in my country's strategic emerging industries. [0003] 3D printing mainstream molding technologies include selective laser sintering (SLS), fused deposition modeling (FDM), stereolithography (SLA), etc. Selective laser sintering was successfully develop...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/488C04B35/81C04B35/626
Inventor 乔畅君吴韬金磊冯晓野范璐边炳胜韦家波维克托卡门韦恩刘仁辰米盖尔
Owner TSINGHUA INNOVATION CENT IN DONGGUAN
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