Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
High-tunability barium titanate-based dielectric ceramic material and preparation method thereof
The invention belongs to the technical field of ceramic materials, and discloses a high-tunability barium titanate-based dielectric ceramic material and a preparation method thereof. BaTiO3 is modified by adopting SnO2 doping; BaCO3, TiO2 and SnO2 are used as raw materials, the target compound is BaTi1-xSnxO3, and x is equal to 0.12 to 0.15. The preparation method comprises the following steps: proportioning the raw materials according to a stoichiometric ratio, carrying out ball milling on the raw materials, zirconium balls and deionized water according to a certain ratio, and drying, sieving and pre-synthesizing the ball-milled slurry; adding a binder into the obtained powder, granulating, sieving, and pressing into a green body; and sintering the green body in an air atmosphere to form cearmic. According to the BaTiO3-based dielectric ceramic material prepared by the method, the dielectric constant epsilon r is 10929 to 23719, the tuning rate is 64.3 to 89.9 percent, and the dielectric loss is 0.00447 to 0.02444; and the dielectric constant is high, the dielectric loss is low, the tuning rate is excellent, and the application prospect is wide.
本发明属于陶瓷材料技术领域，公开了一种高调谐率钛酸钡基介质陶瓷材料及其制备方法，采用SnO2掺杂对BaTiO3进行改性；以BaCO3、TiO2、SnO2为原料，目标合成物为BaTi1‑xSnxO3，其中x＝0.12～0.15；制备时先按照化学计量比配比原料，并与一定比例的锆球、去离子水进行球磨，再将球磨过后的浆料烘干、过筛以及预合成；所得粉料添加粘结剂进行造粒之后过筛，压制成生坯；生坯在空气气氛下烧结成瓷。通过该方法制备出的BaTiO3基介质陶瓷材料，介电常数εr为10929～23719，调谐率为64.3％～89.9％，介电损耗为0.00447～0.02444；具有较高的介电常数，较低的介电损耗及优异的调谐率，应用前景广泛。
High-tunability barium titanate-based dielectric ceramic material and preparation method thereof
The invention belongs to the technical field of ceramic materials, and discloses a high-tunability barium titanate-based dielectric ceramic material and a preparation method thereof. BaTiO3 is modified by adopting SnO2 doping; BaCO3, TiO2 and SnO2 are used as raw materials, the target compound is BaTi1-xSnxO3, and x is equal to 0.12 to 0.15. The preparation method comprises the following steps: proportioning the raw materials according to a stoichiometric ratio, carrying out ball milling on the raw materials, zirconium balls and deionized water according to a certain ratio, and drying, sieving and pre-synthesizing the ball-milled slurry; adding a binder into the obtained powder, granulating, sieving, and pressing into a green body; and sintering the green body in an air atmosphere to form cearmic. According to the BaTiO3-based dielectric ceramic material prepared by the method, the dielectric constant epsilon r is 10929 to 23719, the tuning rate is 64.3 to 89.9 percent, and the dielectric loss is 0.00447 to 0.02444; and the dielectric constant is high, the dielectric loss is low, the tuning rate is excellent, and the application prospect is wide.
本发明属于陶瓷材料技术领域，公开了一种高调谐率钛酸钡基介质陶瓷材料及其制备方法，采用SnO2掺杂对BaTiO3进行改性；以BaCO3、TiO2、SnO2为原料，目标合成物为BaTi1‑xSnxO3，其中x＝0.12～0.15；制备时先按照化学计量比配比原料，并与一定比例的锆球、去离子水进行球磨，再将球磨过后的浆料烘干、过筛以及预合成；所得粉料添加粘结剂进行造粒之后过筛，压制成生坯；生坯在空气气氛下烧结成瓷。通过该方法制备出的BaTiO3基介质陶瓷材料，介电常数εr为10929～23719，调谐率为64.3％～89.9％，介电损耗为0.00447～0.02444；具有较高的介电常数，较低的介电损耗及优异的调谐率，应用前景广泛。
High-tunability barium titanate-based dielectric ceramic material and preparation method thereof
一种高调谐率钛酸钡基介质陶瓷材料及其制备方法
LI LINGXIA (Autor:in) / PENG WEI (Autor:in) / YANG PAN (Autor:in) / XU KANGLI (Autor:in)
31.12.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
| Europäisches Patentamt | 2016
| Europäisches Patentamt | 2024
Barium strontium zirconate titanate-based dielectric ceramic material and preparation method thereof
| Europäisches Patentamt | 2022
| Europäisches Patentamt | 2021
| Europäisches Patentamt | 2022