The mechanical and electromechanical properties of calcium-modified lead titanate/poly(vinylidene fluoride-trifluoroethylene) 0-3 composites

S. P. Marra; K. T. Ramesh; A. S. Douglas

doi:10.1117/12.316852

The mechanical and electromechanical properties of calcium-modified lead titanate/poly(vinylidene fluoride-trifluoroethylene) 0-3 composites

S. P. Marra, K. T. Ramesh, A. S. Douglas

Research output: Contribution to journal › Conference article › peer-review

Abstract

Thin film composite sensors have been fabricated which incorporate piezoelectric ceramic particles in a polymer matrix. These composites are more compliant than pure piezoelectric ceramics and can be embedded in thick structures to monitor internal mechanical conditions, such as the evolution of damage. Composite films consisting of Ca-modified lead titanate particles in a poly(vinylidene fluoride-trifluoroethylene) matrix are examined in this paper. The viscoelastic properties of these composites (with various volume fractions, up to 60% ceramic) have been measured over a range of frequencies (0.01 to 100 rad/sec). The complex h₃₁* piezoelectric coefficient has also been measured for these composites for various volume fractions and over a frequency range from 5 to 100 rad/sec. The magnitudes and phase angles of the piezoelectric coefficients are shown to be highly frequency dependent.

Original language	English (US)
Pages (from-to)	94-105
Number of pages	12
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	3324
DOIs	https://doi.org/10.1117/12.316852
State	Published - 1998
Externally published	Yes
Event	Smart Structures and Materials 1998 SMart Materials Technologies - San Diego, CA, United States Duration: Mar 4 1998 → Mar 5 1998

Keywords

Composite
Lead titanate
P(VDF-TrFE)
Piezoelectric
Sensor

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

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10.1117/12.316852

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The mechanical and electromechanical properties of calcium-modified lead titanate/poly(vinylidene fluoride-trifluoroethylene) 0-3 composites. / Marra, S. P.; Ramesh, K. T.; Douglas, A. S.
In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 3324, 1998, p. 94-105.

Research output: Contribution to journal › Conference article › peer-review

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abstract = "Thin film composite sensors have been fabricated which incorporate piezoelectric ceramic particles in a polymer matrix. These composites are more compliant than pure piezoelectric ceramics and can be embedded in thick structures to monitor internal mechanical conditions, such as the evolution of damage. Composite films consisting of Ca-modified lead titanate particles in a poly(vinylidene fluoride-trifluoroethylene) matrix are examined in this paper. The viscoelastic properties of these composites (with various volume fractions, up to 60% ceramic) have been measured over a range of frequencies (0.01 to 100 rad/sec). The complex h31* piezoelectric coefficient has also been measured for these composites for various volume fractions and over a frequency range from 5 to 100 rad/sec. The magnitudes and phase angles of the piezoelectric coefficients are shown to be highly frequency dependent.",

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AU - Douglas, A. S.

PY - 1998

Y1 - 1998

N2 - Thin film composite sensors have been fabricated which incorporate piezoelectric ceramic particles in a polymer matrix. These composites are more compliant than pure piezoelectric ceramics and can be embedded in thick structures to monitor internal mechanical conditions, such as the evolution of damage. Composite films consisting of Ca-modified lead titanate particles in a poly(vinylidene fluoride-trifluoroethylene) matrix are examined in this paper. The viscoelastic properties of these composites (with various volume fractions, up to 60% ceramic) have been measured over a range of frequencies (0.01 to 100 rad/sec). The complex h31* piezoelectric coefficient has also been measured for these composites for various volume fractions and over a frequency range from 5 to 100 rad/sec. The magnitudes and phase angles of the piezoelectric coefficients are shown to be highly frequency dependent.

AB - Thin film composite sensors have been fabricated which incorporate piezoelectric ceramic particles in a polymer matrix. These composites are more compliant than pure piezoelectric ceramics and can be embedded in thick structures to monitor internal mechanical conditions, such as the evolution of damage. Composite films consisting of Ca-modified lead titanate particles in a poly(vinylidene fluoride-trifluoroethylene) matrix are examined in this paper. The viscoelastic properties of these composites (with various volume fractions, up to 60% ceramic) have been measured over a range of frequencies (0.01 to 100 rad/sec). The complex h31* piezoelectric coefficient has also been measured for these composites for various volume fractions and over a frequency range from 5 to 100 rad/sec. The magnitudes and phase angles of the piezoelectric coefficients are shown to be highly frequency dependent.

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The mechanical and electromechanical properties of calcium-modified lead titanate/poly(vinylidene fluoride-trifluoroethylene) 0-3 composites

Abstract

Keywords

ASJC Scopus subject areas

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