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a zrb 2 Based ultra-high temperature ceramic structure and its photo-curing 3D printing method and device

A technology of ultra-high temperature ceramics and 3D printing, used in ceramic molding machines, manufacturing tools, additive processing, etc., can solve the problems of high cost, high density and high machining stress of ultra-high temperature ceramic structures

Active Publication Date: 2021-09-10
XIAMEN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention solves the problems of traditional sintering-machining to prepare ultra-high temperature ceramic structures with high cost, high machining stress, long cycle, and inability to prepare precise structures, and provides a light-cured 3D printing method for complex structures of ultra-high temperature ceramics and devices, featuring low cost, rapid prototyping, and high density

Method used

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  • a zrb <sub>2</sub> Based ultra-high temperature ceramic structure and its photo-curing 3D printing method and device
  • a zrb <sub>2</sub> Based ultra-high temperature ceramic structure and its photo-curing 3D printing method and device
  • a zrb <sub>2</sub> Based ultra-high temperature ceramic structure and its photo-curing 3D printing method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0073] use as figure 2 ZrB shown 2 Light-curing 3D printing device based on ultra-high temperature ceramic structure for light-curing 3D printing:

[0074] Inject 300mL of mercapto / vinyl Zr-B-Si-C precursor into the slurry cylinder, 3mL of benzoin dimethyl ether (the amount of benzoin dimethyl ether is 0.75wt%) is added to the initiator cylinder, the outlet of the slurry cylinder and the initiator cylinder It is connected with the slurry mixing chamber and the raw material pool of the light-curing 3D printer in sequence. The inlets of the slurry cylinder and initiator cylinder are connected with the pressure controller and the gas cylinder in sequence. The drawings of the printed structure are imported into the computer, and the injection rate is set at the same time by the computer. 50mL / min, the stirring rate of the slurry mixing chamber is 2000 rpm and the UV laser power of the printer is 10mW / m 2 , Spot diameter 0.01mm, printing speed 30mm / s, liquid temperature (raw ma...

Embodiment 2

[0076] use as figure 2 ZrB shown 2 Light-curing 3D printing device based on ultra-high temperature ceramic structure for light-curing 3D printing:

[0077] Inject 300mL of mercapto / vinyl Zr-B-Si-C precursor into the slurry cylinder, 2mL of benzoin dimethyl ether (the amount of benzoin dimethyl ether is 0.5wt%) is added to the initiator cylinder, the outlet of the slurry cylinder and the initiator cylinder It is connected with the slurry mixing chamber and the raw material pool of the light-curing 3D printer in sequence. The inlets of the slurry cylinder and initiator cylinder are connected with the pressure controller and the gas cylinder in sequence. The drawings of the printed structure are imported into the computer, and the injection rate is set at the same time by the computer. 50mL / min, the stirring rate of the slurry mixing chamber is 2000 rpm and the UV laser power of the printer is 12mW / m 2 , Spot diameter 0.01mm, printing speed 40mm / s, liquid temperature (raw mat...

Embodiment 3

[0079] use as figure 2 ZrB shown 2 Light-curing 3D printing device based on ultra-high temperature ceramic structure for light-curing 3D printing:

[0080]Inject 300mL of mercapto / vinyl Zr-B-Si-C precursor into the slurry cylinder, 3mL of benzoin dimethyl ether (the amount of benzoin dimethyl ether is 0.75wt%) is added to the initiator cylinder, the outlet of the slurry cylinder and the initiator cylinder It is connected with the slurry mixing chamber and the raw material pool of the light-curing 3D printer in sequence. The inlets of the slurry cylinder and initiator cylinder are connected with the pressure controller and the gas cylinder in sequence. The drawings of the printed structure are imported into the computer, and the injection rate is set at the same time by the computer. 50mL / min, the stirring rate of the slurry mixing chamber is 2000 rpm and the UV laser power of the printer is 15mW / m 2 , Spot diameter 0.01mm, printing speed 50mm / s, liquid temperature (raw mat...

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Abstract

The present invention relates to a kind of ZrB 2 Based ultra-high temperature ceramic structure and its photo-curing 3D printing method and device. The method is as follows: (1) Stir and mix the mercapto / vinyl Zr-B-Si-C precursor and the photoinitiator evenly and then inject it into the raw material pool of the 3D printer; (2) import the blueprint of the printing structure into the computer and set the printing parameters, and then print to obtain the Zr-B-Si-C polymer ceramic green body structure; (3) sinter the Zr-B-Si-C polymer ceramic green body structure obtained in step (2) to obtain the ZrB 2 Based ultra-high temperature ceramic structure. The invention solves the problems of traditional sintering-machining to prepare ultra-high temperature ceramic structures with high cost, high machining stress, long period, and inability to prepare precise structures, and provides a light-cured 3D printing method for complex structures of ultra-high temperature ceramics , has the characteristics of low cost, rapid prototyping and high density.

Description

technical field [0001] The invention belongs to the field of ceramic materials and advanced manufacturing technology, in particular to a ZrB 2 Based ultra-high temperature ceramic structure and its photo-curing 3D printing method and device. Background technique [0002] ZrB 2 Based ultra-high temperature ceramic materials have high melting point (>3000 ℃), high strength, high hardness, high electrical conductivity, high thermal conductivity, and relatively low theoretical density (6.09g / cm 3 ) and catalytic properties, it has become a candidate heat-resistant material for key components of hypersonic aircraft. ZrB 2 As a kind of ceramic material, the ultra-high temperature ceramic material based on its intrinsic brittleness, long preparation cycle, and difficulty in precision machining are still the key factors restricting its wide application, especially for complex structural parts in actual engineering, which are difficult to achieve through traditional manufacturi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F299/02C08G77/60C04B35/58B28B1/00B33Y70/10B33Y10/00
CPCB28B1/001B33Y10/00B33Y70/00C04B35/58078C04B35/632C04B2235/483C04B2235/486C04B2235/6026
Inventor 林佳杨益航张厚安黄桂美王金伙
Owner XIAMEN UNIV OF TECH
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