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A New Microwave Ceramic – Polymer Composite with 0-3 Connectivity

Abstrakt

Goal of the present research was to fabricate and study two-phase BiNbO4//PVDF composites with 0-3 connectivity. Such composite consists of there-dimensionally connected polymer matrix loaded with dielectric ceramic particles. In the present case BiNbO4 powder acted as an active phase (dispersed phase) whereas polyvinylidene fluoride (PVDF) acted as a non-active (passive) phase (matrix). BiNbO4//PVDF composites with the volume fraction of the ceramic phase cV =2, 4, 6, 8, 10, 16 and 20 vol. % were prepared. Average grain size of BiNbO4 powder was =1.86 m. It was found that BiNbO4 powder exhibited orthorhombic symmetry with Pnna (52) space group and PVDF polymer powder was -phase. Minimum of dielectric losses at room temperature were found within the frequency range =103-104 Hz. It was found that composite with cV =10% of ceramic powder exhibited lower values of dielectric permittivity.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
ARCHIVES OF METALLURGY AND MATERIALS nr 59, strony 231 - 235,
ISSN: 1733-3490
Język:
angielski
Rok wydania:
2014
Opis bibliograficzny:
Czekaj D., Micior J., Lisińska-Czekaj A.: A New Microwave Ceramic – Polymer Composite with 0-3 Connectivity// ARCHIVES OF METALLURGY AND MATERIALS -Vol. 59,iss. 1 (2014), s.231-235
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.2478/amm-2014-0037
Weryfikacja:
Politechnika Gdańska

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