钛酸钡/硅酸钙压电生物复合陶瓷的光固化成型研究

doi:10.16552/j.cnki.issn1001-1625.2025.0229

硅酸盐通报 ›› 2025, Vol. 44 ›› Issue (9): 3367-3374.DOI: 10.16552/j.cnki.issn1001-1625.2025.0229

钛酸钡/硅酸钙压电生物复合陶瓷的光固化成型研究

邱皓泓, 鲍崇高, 李世佳, 董文彩, 闫硕

西安交通大学金属材料强度国家重点实验室,西安 710049

收稿日期:2025-03-03 修订日期:2025-04-13 出版日期:2025-09-15 发布日期:2025-09-19
通信作者: 鲍崇高,博士,教授。E-mail:cgbao@xjtu.edu.cn
作者简介:邱皓泓(2000—),男,硕士研究生。主要从事陶瓷增材制造的研究。E-mail:q2201241@stu.xjtu.edu.cn
基金资助:
国家自然科学基金(52075425)

Light Curing Molding of Barium Titanate/Calcium Silicate Piezoelectric Bioactive Composite Ceramics

QIU Haohong, BAO Chonggao, LI Shijia, DONG Wencai, YAN Shuo

State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, China

Received:2025-03-03 Revised:2025-04-13 Published:2025-09-15 Online:2025-09-19

摘要/Abstract

摘要： 压电生物复合陶瓷材料能够在诱导类骨成分矿化的同时产生电信号刺激成骨细胞增殖分化,是一种理想的骨修复材料,但目前相关光固化成型的研究仍然较少。本研究成功制备出适用于数字光处理技术成型的钛酸钡/硅酸钙光固化复合陶瓷浆料,并系统研究了主要活性单体对浆料流变性能与固化性能的影响,以及分散剂种类和含量对浆料流变性能的影响。结果表明,4-丙烯酰吗啉(ACMO)为最佳主要活性单体,3%(质量分数)润湿分散剂BYK-111为最佳分散剂体系。在固含量为50%(体积分数)时,复合陶瓷浆料能保持良好的剪切变稀特性。利用上述浆料可打印出具有复杂结构的钛酸钡/硅酸钙多孔陶瓷生坯,经1 110 ℃保温4 h烧结后得到显气孔率约为39.33%、抗弯强度为(27.18±1.75) MPa的钛酸钡/硅酸钙复合陶瓷。

关键词: 压电陶瓷, 生物陶瓷, 光固化陶瓷浆料, 数字光处理, 流变性能, 固化性能

Abstract: Piezoelectric bioactive composite ceramic materials can induce mineralization of bone-like components while generating electrical signals to stimulate osteoblast proliferation and differentiation, making them ideal bone repair materials, but there are still few related light curing molding. In this study, barium titanate/calcium silicate light curing composite ceramic slurries suitable for molding by digital light processing technology were successfully prepared, and the effects of main active monomers on the rheological and curing properties of slurries, as well as the effects of type and content of dispersants on the rheological properties of slurries were systematically investigated. The results show that 4-acryloylmorpholine (ACMO) is the most suitable main active monomer, and 3% (mass fraction) wetting dispersant BYK-111 is the most suitable dispersant system. When solid content is 50% (volume fraction), composite ceramic slurries exhibit favorable shear-thinning characteristics. Barium titanate/calcium silicate porous ceramic green bodies with complex structures can be printed using the above slurry, and barium titanate/calcium silicate composite ceramics with visible porosity of about 39.33% and flexural strength of (27.18±1.75) MPa are obtained after sintering at 1 110 ℃ for 4 h.

Key words: piezoelectric ceramics, bioceramics, light curing ceramic slurry, digital light processing, rheological property, curing property

中图分类号:

TQ174

邱皓泓, 鲍崇高, 李世佳, 董文彩, 闫硕. 钛酸钡/硅酸钙压电生物复合陶瓷的光固化成型研究[J]. 硅酸盐通报, 2025, 44(9): 3367-3374.

QIU Haohong, BAO Chonggao, LI Shijia, DONG Wencai, YAN Shuo. Light Curing Molding of Barium Titanate/Calcium Silicate Piezoelectric Bioactive Composite Ceramics[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2025, 44(9): 3367-3374.

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钛酸钡/硅酸钙压电生物复合陶瓷的光固化成型研究

Light Curing Molding of Barium Titanate/Calcium Silicate Piezoelectric Bioactive Composite Ceramics

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