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Characterisation of piezoelectric PVDF monofilaments

Walter, S. and Steinmann, W. and Schütte, , J. and Seide, , G. and Gries , T. and Roth, G. and Wierach, P. and Sinapius, M. (2011) Characterisation of piezoelectric PVDF monofilaments. Materials Technology: Advanced Performance Materials, Advanced Performance Materials; Volume 26 (3), 140-145 (6). The Charlesworth Group. DOI: 10.1179/175355511X13007211258962.

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Abstract

The piezoelectric effect of poly(vinylidene fluoride) is demonstrated in monofilaments. These fibres produce electrical signal upon mechanical deformation. The structure of the monofilaments is analysed by wide angle X-ray diffraction and differential scanning calorimetry, whereas the crystalline fraction mainly consists of the piezoelectric b phase. For polarisation and electromechanical characterisation, poly(vinylidene fluoride)–epoxy composites are manufactured, whereas all the filaments are aligned parallel to the composite structure. The electric signal is two magnitudes of order larger for the polarised samples compared to the unpolarised ones. Furthermore, there is a clear anisotropy, allowing the direction dependent measurement of stress and strain. Mechanical stress in the fibre direction

Document Type:Article
Title:Characterisation of piezoelectric PVDF monofilaments
Authors:
AuthorsInstitution or Email of Authors
Walter, S.ITA; Institut für Textiltechnik der RWTH Aachen
Steinmann, W.ITA; Institut für Textiltechnik der RWTH Aachen
Schütte, , J.ITA; Institut für Textiltechnik der RWTH Aachen
Seide, , G.ITA; Institut für Textiltechnik der RWTH Aachen
Gries , T.ITA; Institut für Textiltechnik der RWTH Aachen
Roth, G.XTAL; Institut für Kristallographie der RWTH Aachen
Wierach, P.peter.wierach@dlr.de
Sinapius, M.michael.sinapius@dlr.de
Date:July 2011
Journal or Publication Title:Materials Technology: Advanced Performance Materials
Refereed publication:Yes
In Open Access:Yes
In ISI Web of Science:Yes
Volume:Advanced Performance Materials; Volume 26
DOI:10.1179/175355511X13007211258962
Page Range:140-145 (6)
Publisher:The Charlesworth Group
Series Name:Materials Technology
Status:Published
Keywords:Poly(vinylidene fluoride), Piezoelectric effect, Monofilament
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Structures & Materials
Location: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems
Deposited By: Sibylle Wolff
Deposited On:29 Aug 2012 09:33
Last Modified:29 Aug 2012 09:33

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