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Enhanced temperature stability of Mg2TiO4-based ceramics by LCB additive.
- Source :
-
Ceramics International . Dec2022, Vol. 48 Issue 24, p36638-36643. 6p. - Publication Year :
- 2022
-
Abstract
- The Mg 2 TiO 4 - x wt% LiF–2CaF 2 –2B 2 O 3 (LCB, 3.0 ≤ x ≤ 10.0) ceramics were fabricated to study the relationship among LCB additive and the sintering behavior, phase composition, micro-structure and dielectric performance of ceramics in this study. The sintered ceramics are mainly Mg 2 TiO 4 phase, accompanied by small amount of second phase CaTiO 3 and Mg 3 B 2 O 6. They are generated from the chemical reaction of CaF 2 and B 2 O 3 with the matrix material, respectively. Appropriate LCB additive significantly enhanced sintering ability and dielectric performance of Mg 2 TiO 4 -based ceramics. Sintered at 1175 °C, Mg 2 TiO 4 -7.5 wt% LCB ceramics exhibited a dielectric performance: ε r of 15.3, Q × f of 32 950 GHz and τ f of +1.96 ppm/°C, which is expected to be an alternative material for communication component. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 02728842
- Volume :
- 48
- Issue :
- 24
- Database :
- Academic Search Index
- Journal :
- Ceramics International
- Publication Type :
- Academic Journal
- Accession number :
- 160213779
- Full Text :
- https://doi.org/10.1016/j.ceramint.2022.08.223