硅酸盐通报2024，Vol.43Issue(5)：1772-1783,12.
增材制造钛酸钡压电陶瓷的高温烧结与极化工艺研究
High-Temperature Sintering and Polarization Process of Additive Manufacturing Barium Titanate Piezoelectric Ceramics
摘要
Abstract
In order to improve the comprehensive performance of BaTiO3 piezoelectric ceramics fabricated by additive manufacturing,the slurry shear thinning characteristics and digital light processing(DLP)forming characteristics of BaTiO3 piezoelectric ceramics were studied in this paper.The densification mechanism of BaTiO3 piezoelectric ceramics green body formed by DLP under different sintering temperature conditions was revealed,and the influence of polarization direction on the piezoelectric properties of BaTiO3 ceramics formed by DLP was explored.The results show that the electrical properties of BaTiO3 piezoelectric ceramics fabricated by DLP additive manufacturing can be improved to a certain extent by adjusting the high temperature sintering and polarization process.When the sintering temperature is 1 420℃and the holding time is 2 h,the piezoelectric coefficient d33 is the largest,which is 163.4 pC/N.The sample layers are tightly bonded and the grain size is uniform.When the angle between Z axis and polarization direction is changed from 0° to 90°,the relative dielectric constant εr and d33 are increased by 29.37％and 27.01％,respectively.When the solid content is 80％(mass fraction),the sintering temperature is 1 420 ℃,and the angle between Z axis and polarization direction is 90°,the sample d33 is the largest,reaching 182.4 pC/N.关键词
压电陶瓷/钛酸钡/增材制造/数字光处理/烧结/极化Key words
piezoelectric ceramics/BaTiO3/additive manufacturing/digital light processing/sintering/polarization分类
化学化工引用本文复制引用
刘凯,鲁超,贺俊超,李天杨,沈春华,闫春泽,史玉升,孙华君..增材制造钛酸钡压电陶瓷的高温烧结与极化工艺研究[J].硅酸盐通报,2024,43(5):1772-1783,12.基金项目
国家重点研发计划青年科学家项目(2021YFB3703100) （2021YFB3703100）
国家自然科学基金(52202066) （52202066）
2023年湖北省重大攻关项目(JD)(2023BAA023) （JD）
装备预研教育部联合基金(8091B032105) （8091B032105）
