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Method of ceramic 3D printing forming through temperature induced curing and application of method

A 3D printing, temperature-induced technology, applied in additive processing and other directions, can solve the problems of difficult control of gelation rate, low efficiency, and unfavorable rapid solidification of ceramic slurry, and achieves the effect that is beneficial to promotion and application.

Inactive Publication Date: 2019-06-25
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the rate of gel formation by this method is not easy to control. Generally, it takes more than 30 minutes to form a gel at room temperature, which is not conducive to the rapid curing of ceramic slurry. The printing efficiency of this method is not high enough.

Method used

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  • Method of ceramic 3D printing forming through temperature induced curing and application of method
  • Method of ceramic 3D printing forming through temperature induced curing and application of method

Examples

Experimental program
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Effect test

Embodiment 1

[0037] A method for temperature-induced solidification of ceramic 3D printing, comprising the following steps:

[0038] (1) Configuration paste: 0.19 parts of the carrageenan powder, 0.4 parts of the dispersant and 18 parts of the deionized water are mixed in a planetary vacuum high-speed (1000r / min) mixer according to the proportioning ratio. After 3 minutes, the premix was obtained, and the premix was mixed with 82 parts of alumina ceramic powder with a particle size of 0.5 micron in a planetary vacuum high-speed (1500r / min) mixer for 5 minutes to obtain a uniform ceramic with good dispersibility. Paste;

[0039] (2) 3D printing: Use the computer solidworks to model the ceramic parts three-dimensionally, and then slice them with Cura software to prepare for extruding 3D printing of the ceramic parts. Inject the ceramic paste into a 55 ml barrel, and adjust the gas pressure to make It is controlled at 0.2MPa, and the paste is squeezed into the rotating thread cavity by air p...

Embodiment 2

[0044] A method for temperature-induced solidification of ceramic 3D printing, comprising the following steps:

[0045](1) Configuration paste: 0.12 parts of the carrageenan powder, 0.5 parts of the dispersant and 20 parts of the deionized water are mixed in a planetary vacuum high-speed (900r / min) mixer according to the proportioning ratio. After 3 minutes, the premixed solution was obtained, and 82 parts of the zirconia ceramic powder with a particle size of 0.4 microns were mixed for 5 minutes in a planetary vacuum high-speed (1500r / min) mixer to obtain a uniform ceramic with good dispersibility. Paste;

[0046] (2) 3D printing: Use the computer solidworks to model the ceramic parts three-dimensionally, and then slice them with Cura software to prepare for extruding 3D printing of the ceramic parts. Inject the ceramic paste into a 55 ml barrel, and adjust the gas pressure to make It is controlled at 0.25MPa, and the paste is squeezed into the rotating thread cavity by air ...

Embodiment 3

[0051] A method for temperature-induced solidification of ceramic 3D printing, comprising the following steps:

[0052] (1) Configuration paste: 0.25 parts of the carrageenan powder, 0.4 parts of the dispersant and 20 parts of the deionized water are mixed in a planetary vacuum high-speed (1100r / min) mixer according to the proportioning ratio. 3 minutes, obtain the premixed liquid, 82 parts of silicon nitride ceramic powders of described premixed liquid and particle diameter 0.6 micron are mixed in planetary vacuum high-speed (1600r / min) mixer for 5 minutes, obtain the good uniformity of dispersibility ceramic paste;

[0053] (2) 3D printing: Use the computer solidworks to model the ceramic parts three-dimensionally, and then slice them with Cura software to prepare for extruding 3D printing of the ceramic parts. Inject the ceramic paste into a 55 ml barrel, and adjust the gas pressure to make It is controlled at 0.2MPa, and the paste is squeezed into the rotating thread cavi...

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Abstract

The invention relates to the field of ceramic manufacturing, in particular to a method of ceramic 3D printing forming through temperature induced curing and application of the method. The method comprises the steps of paste preparation, 3D printing and induced curing, wherein during paste preparation, on the basis of the weight of ceramic powder, 1-4% of carrageenin powder is mixed; and during induced curing, printed paste is placed in an environment at 60-70 DEG C. The purpose of rapid curing can be achieved under the situation of ensuring the continuity and precise forming capability of thepaste, and a printed body is free of obvious defects and obvious deformation. The method is simple, efficient and easy to implement, and application and popularization of the 3D printing technology inthe ceramic field are facilitated.

Description

technical field [0001] The invention relates to the field of ceramic production, in particular to a method and application of temperature-induced solidified ceramic 3D printing and molding. Background technique [0002] With the rapid development of science and technology, as one of the three basic materials, the application research of ceramic materials-high-performance ceramic parts has become one of the key development research projects, and ceramic 3D printing technology has the advantages of fast forming speed, complex parts and products. The advantages of free personalization and low cost make ceramic 3D printing technology a hot research project among the key points. Especially for the production technology of ceramic parts with complex shapes and specific sizes, the breakthrough lies in the development of ceramic 3D printing technology. In ceramic 3D printing, fast-curing printed ceramic slurry is the core technology for precise molding. At present, the most commonl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/622C04B35/636B33Y10/00B33Y70/00
Inventor 张跃杨亮亮范云浩宿力中
Owner BEIHANG UNIV
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