A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Ce, Cr and W co-doped CaBi4Ti4O15 high-temperature piezoelectric ceramic material and preparation method thereof
The invention discloses a Ce, Cr and W co-doped CaBi4Ti4O15 high-temperature piezoelectric ceramic material and a preparation method thereof.A-site Ca < 2 + > ions of the CaBi4Ti4O15 ceramic material are doped and substituted with 12-coordinated high-valence Ce < 4 + > ions, B-site Ti < 4 + > ions are doped and substituted with composite high-valence ions [Cr1/3W2/3] 5 < + >, through the composite doping modification, the Curie temperature is not reduced, and meanwhile, the Ce, Cr and W co-doped CaBi4Ti4O15 high-temperature piezoelectric ceramic material is prepared. The invention provides a novel environment-friendly piezoelectric ceramic material with excellent comprehensive electrical properties, and the material has good high-temperature stability and wide application prospects in the high-temperature field. The preparation method adopts an advanced ceramic preparation process, has the advantages of low firing temperature, low preparation cost, simple process, easiness in operation and easiness in control of influence factors, is suitable for large-scale industrial production, and is beneficial to popularization and application.
本发明公开了一种Ce、Cr、W共掺杂型CaBi4Ti4O15高温压电陶瓷材料及其制备方法，针对CaBi4Ti4O15陶瓷材料A位的Ca2+离子，采用具有12配位的高价Ce4+离子进行掺杂取代，针对B位的Ti4+离子，采用复合高价离子[Cr1/3W2/3]5+进行掺杂取代，通过上述复合掺杂改性，在不降低居里温度的同时，提高其压电性能和高温电阻率，从而提供了一种新型的、综合电性能优良的、环境友好型压电陶瓷材料，该材料具有良好的高温稳定性，在高温领域具有广阔的应用前景。本发明制备方法采用先进的陶瓷制备工艺，烧成温度低，制备成本低，工艺简单易操作，影响因素易控制，适合于大批量工业化生产，有助于推广和应用。
Ce, Cr and W co-doped CaBi4Ti4O15 high-temperature piezoelectric ceramic material and preparation method thereof
The invention discloses a Ce, Cr and W co-doped CaBi4Ti4O15 high-temperature piezoelectric ceramic material and a preparation method thereof.A-site Ca < 2 + > ions of the CaBi4Ti4O15 ceramic material are doped and substituted with 12-coordinated high-valence Ce < 4 + > ions, B-site Ti < 4 + > ions are doped and substituted with composite high-valence ions [Cr1/3W2/3] 5 < + >, through the composite doping modification, the Curie temperature is not reduced, and meanwhile, the Ce, Cr and W co-doped CaBi4Ti4O15 high-temperature piezoelectric ceramic material is prepared. The invention provides a novel environment-friendly piezoelectric ceramic material with excellent comprehensive electrical properties, and the material has good high-temperature stability and wide application prospects in the high-temperature field. The preparation method adopts an advanced ceramic preparation process, has the advantages of low firing temperature, low preparation cost, simple process, easiness in operation and easiness in control of influence factors, is suitable for large-scale industrial production, and is beneficial to popularization and application.
本发明公开了一种Ce、Cr、W共掺杂型CaBi4Ti4O15高温压电陶瓷材料及其制备方法，针对CaBi4Ti4O15陶瓷材料A位的Ca2+离子，采用具有12配位的高价Ce4+离子进行掺杂取代，针对B位的Ti4+离子，采用复合高价离子[Cr1/3W2/3]5+进行掺杂取代，通过上述复合掺杂改性，在不降低居里温度的同时，提高其压电性能和高温电阻率，从而提供了一种新型的、综合电性能优良的、环境友好型压电陶瓷材料，该材料具有良好的高温稳定性，在高温领域具有广阔的应用前景。本发明制备方法采用先进的陶瓷制备工艺，烧成温度低，制备成本低，工艺简单易操作，影响因素易控制，适合于大批量工业化生产，有助于推广和应用。
Ce, Cr and W co-doped CaBi4Ti4O15 high-temperature piezoelectric ceramic material and preparation method thereof
一种Ce、Cr、W共掺杂型CaBi4Ti4O15高温压电陶瓷材料及其制备方法
WANG ZHUMEI (author) / LUO WENQIN (author) / SHEN ZONGYANG (author) / LI YUEMING (author) / ZUO JIANLIN (author)
2023-12-22
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
Preparation method of CaBi4Ti4O15 ceramic with high piezoelectric property
| European Patent Office | 2022
Ferroelectric and piezoelectric properties of vanadium-doped CaBi4Ti4O15 ceramics
| British Library Online Contents | 2005
Red emission in Pr doped CaBi4Ti4O15 ferroelectric ceramics
| British Library Online Contents | 2011
Piezoelectric ceramic material with high piezoelectric constant and preparation method thereof
| European Patent Office | 2021
| European Patent Office | 2023