Effects of CaSiO3 addition on sintering behavior and microwave dielectric properties of Al2O3 ceramics
Source abstract
Abstract
Abstract The effects of CaSiO 3 addition on the sintering behavior and microwave dielectric properties of Al 2 O 3 ceramics have been investigated. The addition of CaSiO 3 into Al 2 O 3 ceramics resulted in the emergence of Ca 2 Al 2 SiO 7 and CaAl 2 Si 2 O 8 , which acting as liquid sintering aids can effectively lower the sintering temperature of Al 2 O 3 ceramic. The Q × f value of Al 2 O 3 –CaSiO 3 ceramics decreased with the CaSiO 3 addition increasing because of the lower Q × f value of Ca 2 Al 2 SiO 7 and CaAl 2 Si 2 O 8 . Compared with the pure CaSiO 3 ceramic, the Al 2 O 3 –CaSiO 3 ceramic with 20 wt% CaSiO 3 addition possessed good dielectric properties of ɛ r = 9.36 and Q × f = 13,678 GHz at the similar sintering temperature.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Microwave Dielectric Ceramics Synthesis · Ferroelectric and Piezoelectric Materials · Advanced ceramic materials synthesis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (15)
Show source-provided references
1. Studies on the (Mg, Zn)TiO3–CaTiO3 microwave dielectric ceramics10.1016/j.matlet.2005.01.087 ↗
2. Low temperature sintering and microwave dielectric properties of Ce2(WO4)3 ceramics10.1016/j.ceramint.2010.02.026 ↗
3. Microstructural engineering of microwave dielectric ceramics10.1016/j.jeurceramsoc.2007.12.005 ↗
4. High Q dielectric resonator material with low dielectric constant for millimeter-wave applications10.1016/j.jeurceramsoc.2005.09.019 ↗
5. Effect of Y2O3 addition on microwave dielectric characteristics of Al2O3 ceramics10.1016/j.matlet.2006.11.062 ↗
6. Effect of porosity and grain size on the microwave dielectric properties of sintered alumina10.1111/j.1151-2916.1997.tb03066.x ↗
7. Microwave dielectric properties and sintering behavior of nano-scaled (α+(θ)-Al2O3 ceramics10.1016/j.materresbull.2007.06.032 ↗
8. Bending strength and microstructure of Al2O3 ceramics densified by spark plasma sintering10.1016/S0955-2219(00)00086-8 ↗
9. Sintering of α-Al2O3-seeded nanocrystalline γ-Al2O3 powders10.1016/S0955-2219(01)00285-0 ↗
10. Sintered alumina with low dielectric loss10.1063/1.363584 ↗
11. Sintering behavior and microwave dielectric properties of nano alpha-alumina10.1016/j.matlet.2005.06.053 ↗
12. Sintering and microwave dielectric characteristics of MCAS glass-added 0.84Al2O3–0.16TiO2 ceramics10.1016/S0167-577X(02)01402-7 ↗
13. Low-temperature preparation and microwave dielectric properties of ZBS glass–Al2O3 composites10.1016/j.ceramint.2008.04.003 ↗
14. Effects of MCAS glass additives on dielectric properties of Al2O3–TiO2 ceramics10.1016/j.msea.2007.01.159 ↗
15. Synthesis and microwave dielectric properties of CaSiO3 nanopowder by the sol–gel process10.1016/j.ceramint.2007.05.001 ↗