Microstructure and dielectric properties of (Ba0.6Sr0.4)TiO3/PEEK functional composites prepared via cold-pressing sintering

Ceramic/polymer dielectric functional composites have attracted extensive attention because of their applications in portable electronic devices, filters and other fields. However, the high dielectric loss and the attenuation of dielectric constant with frequency limit the applications. Here, (Ba0.6...

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Bibliographic Details
Published in:Composites science and technology 2022-03, Vol.219, p.109228, Article 109228
Main Authors: Liu, Shuhang, Guo, Yiting, Li, Jianwei, Wu, Sichen, Xu, Jie, Pawlikowska, Emilia, Kong, Jie, Rydosz, Artur Maciej, Szafran, Mikołaj, Gao, Feng
Format: Article
Language:English
Subjects:
Cold pressing
Composite materials
Dielectric loss
Dielectric properties
Dielectricity
Dielectrics
Electronic devices
Frequency stability
High frequencies
Mechanical properties
Microstructure
Permittivity
Polymer matrix composites
Polymer-matrix composites (PMCs)
Portable equipment
Pressing
Shape factor
Sintering
Stability analysis
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Summary:Ceramic/polymer dielectric functional composites have attracted extensive attention because of their applications in portable electronic devices, filters and other fields. However, the high dielectric loss and the attenuation of dielectric constant with frequency limit the applications. Here, (Ba0.6Sr0.4)TiO3/PEEK (BST/PEEK) composites with high frequency stability of the dielectric constant and low dielectric loss were prepared via cold-pressing sintering. The dielectric frequency stability of BST/PEEK composites was assessed by employing the frequency dispersion factor F(x). The results showed the BST/PEEK composites possessed the optimal properties with a permittivity of 23, a loss of 0.0065, an F(x) of
ISSN:0266-3538
1879-1050
DOI:10.1016/j.compscitech.2021.109228