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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Veröffentlicht in:	Composites science and technology 2022-03, Vol.219, p.109228, Article 109228
Hauptverfasser:	Liu, Shuhang, Guo, Yiting, Li, Jianwei, Wu, Sichen, Xu, Jie, Pawlikowska, Emilia, Kong, Jie, Rydosz, Artur Maciej, Szafran, Mikołaj, Gao, Feng
Format:	Artikel
Sprache:	eng
Schlagworte:	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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Beschreibung
Zusammenfassung:	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