Piezoelectric and mechanical behavior of NaNbO3/PEKK lead-free nanocomposites
Camille Bessaguet,Camille Bessaguet,Eric Dantras,Colette Lacabanne,Mathieu Chevalier,Guilhem Michon +5 more
Reads0
Chats0
TLDR
In this paper, lead-free piezoelectric nanocomposites based on poly(ether ketone ketone) (PEKK) and sodium niobate (NaNbO3) particles were elaborated.Abstract:
Lead-free piezoelectric nanocomposites based on poly(ether ketone ketone) (PEKK) and sodium niobate (NaNbO3) particles were elaborated. The presence of submicronic particles does not influence the thermal stability of the matrix so that no degradation phenomenon is observed before 500 °C. The conservative mechanical modulus G′ increases linearly with the NaNbO3 fraction; this variation is well fitted by the Kerner model until 20 vol%. Such nanocomposites remain ductile. The polarizing field required for obtaining piezoelectric nanocomposites is 12 kV·mm−1 i.e. analogous with the one used for poling bulk ceramic. The value of the piezoelectric coefficient (d33 = 0.2 pC·N−-1 for 20 vol% NaNbO3) is consistent with the Furukawa's model. This value is explained by the low PEKK permittivity. This low d33 is counterbalanced by the piezoelectric voltage constant (g33 = 103·10−3 Vm·N−1) which is higher than the one of classical piezoelectric ceramic like PZT or BaTiO3.read more
Citations
More filters
Journal ArticleDOI
Electrode Materials for Supercapacitors: A Review of Recent Advances
TL;DR: In this paper, a review describes the insights of the recent electrode materials (including, carbon-based materials, metal oxide/hydroxide based materials, and conducting polymer-based material, 2D materials).
Journal ArticleDOI
Electrical behavior of a graphene/PEKK and carbon black/PEKK nanocomposites in the vicinity of the percolation threshold
Camille Bessaguet,Camille Bessaguet,Eric Dantras,Guilhem Michon,Mathieu Chevalier,Lydia Laffont,Colette Lacabanne +6 more
TL;DR: In this article, a simple exfoliation protocol to obtain graphene monolayers has led to a significant decrease of the percolation threshold from 4.2 to 1.9 vol%.
Journal ArticleDOI
Effect of PEKK oligomers sizing on the dynamic mechanical behavior of poly(ether ketone ketone)/carbon fiber composites
Mike Abidine Alexandre,Eric Dantras,Colette Lacabanne,Emile Perez,Sophie Franceschi,Damien Coudeyre +5 more
TL;DR: In this paper, a PEKK oligomer (PEKKo) sizing with a chemical compatibility with PEKK is proposed for promoting interfacial interactions in order to enhance mechanical performances.
Journal ArticleDOI
Piezoelectric biosensor for smart cardiovascular grafts based on NaNbO3 fibers / PDMS structured composite
Giulia D'Ambrogio,Omar Zahhaf,Minh Quyen Le,Marine Bordet,Patrick Lermusiaux,Nellie Della Schiava,Richard Liang,Pierre-Jean Cottinet,Jean-Fabien Capsal +8 more
TL;DR: In this article , a biocompatible piezocomposite is designed for self-monitoring smart vascular grafts, which can recognize the presence of clots and prevent graft performance deterioration.
Patent
Piezoelectric polyether-ether-ketone composite material with antibacterial properties, and preparation method and application thereof
Min Yonggang,Liu Rongtao,Wang Yong,Liu Yidong,Liao Songyi,Zhang Shiyang,Pang Yiyu,Xiao Tianhua +7 more
TL;DR: In this article, a piezoelectric polyether-ether-ketone/ niobate composite fiber material was obtained by the following steps that: polyether andether-etone and Niobate are blended after being dried, at a temperature of 350-450DEG C.
References
More filters
Journal ArticleDOI
Connectivity and piezoelectric-pyroelectric composites
TL;DR: In this article, a series and parallel model for composite piezoelectric and pyroelectrics is presented, which leads to several interesting results, such as a diphasic pyroelectric in which neither phase is pyrocharged.
Journal ArticleDOI
The Elastic and Thermo-elastic Properties of Composite Media
TL;DR: In this article, the gross bulk and shear moduli of a composite material consisting of a suspension of grains or a compact of grains are derived from an analysis of the dilatation and bulk stress for average spherical grains when the composite as a whole is subjected to some small temperature change.
Journal ArticleDOI
Piezoelectric properties in the composite systems of polymers and PZT ceramics
TL;DR: In this paper, the authors studied the piezoelectric properties of PZT ceramics and polymers including polyvinylidene fluoride (PVDF), polyethylene (PE), and polyvinylon alcohol (PVA).
Journal ArticleDOI
Dielectric and piezoelectric properties of PVDF/PZT composites: A review
TL;DR: In this paper, the effect of grain size, content and other factors under the purview of dielectric and piezoelectric properties while evaluating the sensitivity of the material for sensor application was evaluated.
Journal ArticleDOI
Electromechanical Properties in the Composites of Epoxy Resin and PZT Ceramics
TL;DR: In this article, the complex dielectric, elastic and piezoelectric constants were measured for composites of epoxy resin and ferroelectric PZT ceramics at 10 Hz as a function of temperature, and the magnitudes and loss tangents of these constants were compared with the theoretical predictions.