Preparation and electrical performance of BCHT lead-free piezoelectric ceramics via powder injection molding

被引：6

作者：

Wang, Can ^{[1
]}

Wu, Dun ^{[1
]}

Fang, Bijun ^{[1
]}

Zhang, Shuai ^{[1
]}

Ding, Jianning ^{[1
,2
]}

机构：

[1] Changzhou Univ, Jiangsu Collaborat Innovat Ctr Photovolat Sci & E, Jiangsu Prov Cultivat Base State Key Lab Photovol, Sch Mat Sci & Engn,Natl Expt Demonstrat Ctr Mat S, Changzhou, Jiangsu, Peoples R China

[2] Jiangsu Univ, Sch Mat Sci & Engn, Zhenjiang, Jiangsu, Peoples R China

来源：

FERROELECTRICS | 2020年 / 558卷 / 01期

基金：

中国国家自然科学基金;

关键词：

BaTiO3-based ceramics; powder injection molding; perovskite structure; electrical properties; FREE PIEZOCERAMICS; PHASE-TRANSITION; FREE PEROVSKITE; FUTURE;

D O I：

10.1080/00150193.2020.1735885

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

(Ba0.85Ca0.15)(Hf0.10Ti0.90)O-3 (BCHT) lead-free piezoelectric ceramics were synthesized via the powder injection molding process sintered at several temperatures, in which the BCHT ceramics were prepared by the conventional ceramic processing sintered at the optimized temperature 1450 degrees C for comparison. All the synthesized BCHT ceramics exhibit rather pure perovskite phase structure, where the BCHT ceramics prepared via the powder injection molding process present more apparent multiphases coexistence characteristic. The electrical properties of the BCHT ceramics prepared via the powder injection molding process are slightly better than those prepared by the solid-state sintering method, which correlate with the increase of ceramics densification and the change of grains micro-morphology. The powder injection molding technique provides a feasible way to synthesize irregular shaped piezoelectric ceramics with excellent electrical performance.

引用

页码：12 / 26

页数：15

共 31 条

[1] Fabrication of zirconia-toughened alumina parts by powder injection molding process: Optimized processing parameters [J].