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A kind of 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 dependence on imports and few varieties, and achieve the effect of good matching, low cost and stable product properties

Active Publication Date: 2018-06-15
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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  • A kind of ceramic material for 3D printing and preparation method thereof
  • A kind of ceramic material for 3D printing and preparation method thereof
  • A kind of 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 2~6 h. (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 mat...

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 2~6 h.

[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 t...

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 2~6 h.

[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 p...

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Abstract

The invention provides a ceramic material for 3D printing and a preparation method thereof, comprising the following components by weight: 50-150 parts by weight of zirconia powder; 10-30 parts by weight of zirconia powder treatment agent; 100-500 parts by weight of dispersion medium 1-10 parts by weight of single crystal sapphire whiskers; 1-10 parts by weight of stabilizer; 5-50 parts by weight of photocuring agent. The invention can significantly improve the flexural elastic modulus and tensile strength of the product by adding single-crystal sapphire whiskers to the zirconia ceramics, and is used for preparing high-strength, 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 Patents(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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