大壁厚3D打印SiO2陶瓷快速制备技术研究

硅酸盐通报 ›› 2021, Vol. 40 ›› Issue (6): 1943-1949.

大壁厚3D打印SiO₂陶瓷快速制备技术研究

王守兴¹, 李伶¹, 毕鲁南¹, 刘时浩¹, 王营营¹, 鲍晓芸¹, 韩卓群^1,2, 屈忠宝¹, 吕佳琪¹

1.山东工业陶瓷研究设计院有限公司,淄博 255000;
2.济南大学材料科学与工程学院,济南 250022

收稿日期:2021-03-10 修回日期:2021-04-13 出版日期:2021-06-15 发布日期:2021-07-08
通讯作者: 李伶,博士,教授级高工。E-mail:sinomaliling@126.com
作者简介:王守兴(1982—),男,高工。主要从事先进陶瓷3D打印技术研发。E-mail:wshouxing@163.com
基金资助:
国家重点研发计划(2017YFB0310400);山东省重大科技创新工程项目(2019JZZY010440);山东半岛国家自主创新示范区(淄博)发展建设资金项目(2019ZCQZB04);淄博市英才计划(2017CX01A025)

Rapid Preparation of Thick-Walled 3D Printing Silica Ceramics

WANG Shouxing¹, LI Ling¹, BI Lunan¹, LIU Shihao¹, WANG Yingying¹, BAO Xiaoyun¹, HAN Zhuoqun^1,2, QU Zhongbao¹, LYU Jiaqi¹

1. Shandong Industrial Ceramic Research & Design Institute Co., Ltd., Zibo 255000, China;
2. College of Materials Science and Engineering, University of Jinan, Jinan 250022, China

Received:2021-03-10 Revised:2021-04-13 Online:2021-06-15 Published:2021-07-08

摘要/Abstract

摘要： 选用复合分散剂制备低粘度陶瓷料浆,采用自主研发的陶瓷3D打印机,以DLP(digital light processing)工艺制备出了大壁厚(>3 mm)SiO₂空心内六角陶瓷部件,坯体精度均在50 μm内。分析了3D打印陶瓷素坯在空气气氛和氩气气氛下的热分解过程,研究了气氛对大壁厚(>3 mm)SiO₂陶瓷部件脱脂与烧结的影响。结合扫描电子显微镜(SEM)分析了大壁厚(>3 mm)3D打印SiO₂陶瓷坯体快速脱脂烧结的工艺,氩气气氛有利于大壁厚SiO₂陶瓷快速脱脂烧结。氩气气氛下,控制气流量,进行了大壁厚(>3 mm)SiO₂陶瓷部件的快速制备,脱脂烧结周期大大缩短,为21.8 h,较自国外某公司进口的料浆及其工艺的制备周期(以进口的该公司料浆及工艺制备的相同产品制备周期为283 h)缩短92.3%,较公开报道的3D打印相同工艺制备的SiO₂陶瓷空心叶片制备周期缩短82%以上。

关键词: 大壁厚, 3D打印, 二氧化硅, 粘度, 分散剂, 烧结

Abstract: A composite dispersant was selected to prepare low-viscosity ceramic slurry, and the thick-walled (>3 mm) SiO₂ hollow hexagonal ceramic part was prepared by the self-developed ceramic 3D printer and DLP (digital light processing) process. The accuracy of the green body was all within 50 μm in three dimensional directions. The thermal decomposition process of 3D printing ceramic green bodies in air atmosphere or argon atmosphere was analyzed, and the influence of atmosphere on the degreasing and sintering of thick-walled (>3 mm) SiO₂ ceramic parts was analyzed. The process of rapid degreasing and sintering of thick-walled (>3 mm) 3D printing SiO₂ ceramic body was analyzed by SEM. The argon atmosphere is conducive to the rapid degreasing and sintering of the thick-walled SiO₂ ceramics. The thick-walled (>3 mm) SiO₂ ceramic part was prepared rapidly by controlling the gas flow in argon atmosphere. The period of degreasing and sintering is greatly shortened to 21.8 h. Compared with the preparation period of the slurry and its process imported from a foreign company (The preparation period of the company’s slurry and process to prepare the same product is 283 h), it is shortened by 92.3%. And it is more than 82% shorter than the preparation period of the SiO₂ ceramic hollow blade prepared by the same process in public reports, which reflects the advantages of 3D printing formless rapid prototyping technology, and has great significance for the practical application of SiO₂ ceramic 3D printing technology.

Key words: thick-wall, 3D printing, silica, viscosity, dispersant, sintering

中图分类号:

TQ174.75

王守兴, 李伶, 毕鲁南, 刘时浩, 王营营, 鲍晓芸, 韩卓群, 屈忠宝, 吕佳琪. 大壁厚3D打印SiO₂陶瓷快速制备技术研究[J]. 硅酸盐通报, 2021, 40(6): 1943-1949.

WANG Shouxing, LI Ling, BI Lunan, LIU Shihao, WANG Yingying, BAO Xiaoyun, HAN Zhuoqun, QU Zhongbao, LYU Jiaqi. Rapid Preparation of Thick-Walled 3D Printing Silica Ceramics[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2021, 40(6): 1943-1949.

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大壁厚3D打印SiO₂陶瓷快速制备技术研究

Rapid Preparation of Thick-Walled 3D Printing Silica Ceramics

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