Articles with "piezoelectric composites" as a keyword



Hierarchical Piezoelectric Composites for Noninvasive Continuous Cardiovascular Monitoring

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Published in 2024 at "Advanced Materials"

DOI: 10.1002/adma.202313612

Abstract: Continuous monitoring of blood pressure (BP) and multiparametric analysis of cardiac functions are crucial for the early diagnosis and therapy of cardiovascular diseases. However, existing monitoring approaches often suffer from bulky and intrusive apparatus, cumbersome… read more here.

Keywords: piezoelectric composites; composites noninvasive; noninvasive continuous; hierarchical piezoelectric ... See more keywords

An Electro‐Elastic Coupling Model for Piezoelectric Composites Based on the Voronoi Cell Finite Element Method

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Published in 2024 at "International Journal for Numerical Methods in Engineering"

DOI: 10.1002/nme.7631

Abstract: The Voronoi cell finite element method (VCFEM) has successfully characterized the linear elastic behavior of the composites. This study is dedicated to develop an electro‐elastic coupling VCFEM model mimicking the fully‐coupled electro‐elastic behavior of piezoelectric… read more here.

Keywords: piezoelectric composites; method; element; model ... See more keywords

New piezoelectric composites based on isotactic polypropylene filled with silicate

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Published in 2017 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-016-6329-9

Abstract: Polymeric cellular composites are very important materials in modern electronics because they can be used as piezopolymers due to low specific weight, good thermal resistance and high value of piezoelectric constant d33. The aim of… read more here.

Keywords: piezoelectric constant; piezoelectric composites; new piezoelectric; polypropylene ... See more keywords
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Coupling of interface effects and porous microstructures in translucent piezoelectric composites for enhanced energy harvesting and sensing

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Published in 2021 at "Nano Energy"

DOI: 10.1016/j.nanoen.2021.105895

Abstract: Abstract Piezoelectric polyvinylidene fluoride (PVDF) and its copolymer based piezoelectric nanogenerators (PENGs) have attracted extensive attention, which can hopefully be applied in the fields of wearable electric devices and sensing systems. However, one great challenge… read more here.

Keywords: interface effects; piezoelectric composites; coupling interface; energy ... See more keywords

Piezoelectric Composites for Gas Sensing: Evolution of Sensing and Transduction designs

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Published in 2025 at "Journal of Materials Chemistry C"

DOI: 10.1039/d5tc01383f

Abstract: The rapid evolution of piezoelectric composite (PEC) gas sensors has been propelled by groundbreaking innovations spanning atomic-scale material engineering to macroscale intelligent system integration. This review presents a comprehensive analysis... read more here.

Keywords: evolution; piezoelectric composites; composites gas; gas sensing ... See more keywords

Preparation and simulation of high-frequency lead-free NBBT/epoxy 1–3 piezoelectric composites with high electromechanical coupling characteristics

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Published in 2025 at "Applied Physics Letters"

DOI: 10.1063/5.0250445

Abstract: In this article, we design and fabricate (1 − x)Na0.5Bi0.5TiO3-xBaTiO3 single-crystal/epoxy 1–3 piezoelectric composites (NBBT 1–3 composites) with high coefficients of electromechanical coupling and demonstrate their considerable potential for use in high-frequency ultrasonic devices. We… read more here.

Keywords: piezoelectric composites; epoxy piezoelectric; composites high; electromechanical coupling ... See more keywords
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Dielectric and mechanical properties of polycaprolactone/nano-barium titanate piezoelectric composites

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Published in 2021 at "Plastics, Rubber and Composites"

DOI: 10.1080/14658011.2021.1893517

Abstract: ABSTRACT Dielectric property is a crucial characteristic of electronic materials and piezoelectric materials. In this study, the piezoelectric composites of polycaprolactone mixed with nano-barium titanate were fabricated. The nano-barium titanate was modified by biosurfactant lecithin… read more here.

Keywords: barium titanate; piezoelectric composites; polycaprolactone nano; nano barium ... See more keywords

A comparative study on the smart damping capabilities of cylindrically orthotropic piezoelectric fiber–reinforced composite actuators in vibration control of simply supported/fully clamped isotropic annular plate

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Published in 2017 at "Journal of Intelligent Material Systems and Structures"

DOI: 10.1177/1045389x16679291

Abstract: For active control of vibration of plane structures of revolution, a cylindrically orthotropic piezoelectric fiber–reinforced composite actuator is addressed in a recent study. Some other available piezoelectric composites, which are originally constructed in Cartesian coordinate… read more here.

Keywords: methodology; piezoelectric composites; control; annular plate ... See more keywords

Band Structures Analysis of Elastic Waves Propagating along Thickness Direction in Periodically Laminated Piezoelectric Composites

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Published in 2018 at "Crystals"

DOI: 10.3390/cryst8090351

Abstract: Existing studies on elastic waves in periodically laminated piezoelectric structures mainly concerned the passive band properties, since the electrical boundaries in the considered structures cannot vary. This paper investigates the tuning of band properties of… read more here.

Keywords: piezoelectric composites; elastic waves; thickness direction; laminated piezoelectric ... See more keywords

Wave Electromechanical Coupling Factor for the Guided Waves in Piezoelectric Composites

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Published in 2018 at "Materials"

DOI: 10.3390/ma11081406

Abstract: A novel metrics termed the ‘wave electromechanical coupling factor’ (WEMCF) is proposed in this paper, to quantify the coupling strength between the mechanical and electric fields during the passage of a wave in piezoelectric composites.… read more here.

Keywords: piezoelectric composites; energy; wave electromechanical; electromechanical coupling ... See more keywords

Theoretical and Experimental Study on the Effective Piezoelectric Properties of 1-3 Type Cement-Based Piezoelectric Composites

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Published in 2018 at "Materials"

DOI: 10.3390/ma11091698

Abstract: The double asymptotic homogenization method originated for analyzing physical systems containing two or more length scales was adopted to predict the characteristic of 1-3 type cement-based piezoelectric composites for the first time. The piezoelectric properties… read more here.

Keywords: cement based; piezoelectric composites; type cement; piezoelectric properties ... See more keywords