Micromechanical modeling and experimental characterization on viscoelastic behavior of 1–3 active composites

Jayendiran, R.; Arockiarajan, A.

doi:10.1016/j.compositesb.2015.04.033

Cited by 10 publications

(3 citation statements)

References 26 publications

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“…Viscoelastic behavior of 1-3 piezocomposites have been studied using linear viscoelastic relations, coupled with linear piezoelectric constitutive equations [177], while the material properties have been evaluated using a finite element formulation based on periodic homogenization in form of RVEs and the electromechanical response has been assumed to be a dependent on a thermodynamically-consistent time-dependent domain switching criterion [92,115,178]. Temperaturedependent viscoelastic models have been reported to capture time-dependent electromechanical response under the action of mechanical pre-stress.…”

Section: Effective Propertiesmentioning

confidence: 99%

Effective properties and nonlinearities in 1-3 piezocomposites: a comprehensive review

Pramanik

Arockiarajan

2019

Smart Mater. Struct.

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1-3 piezocomposites are excellent candidate materials for sensor, actuator and transducer applications owing to their remarkable dielectric properties, enhanced piezoelectric coupling constants and improved hydrostatic performance along with tunable acoustic impedance, high bandwidth and reliability. These materials find extensive use in aerospace, naval and biomedical sectors. 1-3 piezocomposites show a linear response when subjected to low electric fields and/or mechanical stresses. In such cases, linear models are sufficient for predicting their linear response. But, when high electro-mechanical loads are applied to these materials, they show nonlinearity owing to the presence of a passive and viscoelastic polymer matrix phase and inherent hysteretic damping in the piezoceramic fibers. This is when it becomes mandatory to understand both their linear and nonlinear behavior under different magnitudes of thermo-electro-mechanical static and dynamic loads. Linear response is modeled using linear piezoelectric constitutive equations. Nonlinearities in the form of hysteresis, depolarization, fatigue and creep occurs in 1-3 piezocomposites, which drastically affects their accuracy, precision and efficiency. In order to understand these nonlinearities, analytical and numerical methods have been proposed by several researchers in the past. An endeavor has been undertaken to review some of the attempts made earlier in these directions. Effective properties of these inhomogeneous media are evaluated through different hypotheses and assumptions. Most often, experimental routes are undertaken to predict material properties of 1-3 piezocomposites; nevertheless, the experimental evaluation of a few material properties is quite difficult and sometimes impossible, even with the best state-of-the-art experimental facilities. This motivates researchers to develop theoretical models to predict these material properties. Nonlinearities in 1-3 piezocomposites have been studied by researchers earlier with different theoretical modeling approaches and experimental techniques. This review paper is an endeavor to discuss the progress regarding the study of effective properties and nonlinearities in 1-3 piezocomposites in a coherent and holistic manner.

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Section: Effective Propertiesmentioning

confidence: 99%

Effective properties and nonlinearities in 1-3 piezocomposites: a comprehensive review

Pramanik

Arockiarajan

2019

Smart Mater. Struct.

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“…In addition, the extension to nonlinearity is of easy implementation. [19][20][21] In the meantime, the disadvantages of the aforementioned numerical technique are also noticeable, such as large-scale mesh discretization, approximation of interfacial implementation, etc., all of which cause difficulty in accurate recovery of localized field distributions and performance evaluation of smart structures. A few attempts are also conducted to make up those shortcomings, including implementation of the extended Stroh formalism.…”

mentioning

confidence: 99%

Extended Locally Exact Homogenization Theory for Effective Coefficients and Localized Responses of Piezoelectric Composites

Wang

Liu³

et al. 2021

Adv Eng Mater

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Herein, the elasticity‐based locally exact homogenization theory (LEHT) is extended to study the effective and localized responses of piezoelectric fiber composites. Based on the Trefftz concept, coupled internal solutions for electric fields and elastic displacements are developed for repeating unit cells (RUCs) that are characterized from the composite domain. The unknown coefficients of the internal fields can be determined by imposing interfacial continuity conditions between fiber and matrix and implementing the newly proposed multiphysics periodic boundary conditions. Finally, the generalized constitutive relations are established to predict the effective coefficients. The accuracy of the proposed technique is tested by validating the present simulations against the analytical Eshelby solution and asymptotic method, classical Mori−Tanaka (M−T) model, finite element (FE)‐ and finite volume (FV)‐based methods, as well as the experimental measurement in the literature with excellent agreement. What is more, several microstructural effects, such as phase volume fraction, fiber arrangement, etc., are varied to test their effects on the piezoelectric composites at both homogenized and localized levels. Based on the presented computational efficiency, the multiphysics LEHT is encapsulated into a blackbox with input/output data constructions for easy implementation by professionals or nonprofessionals.

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“…Spherical and cylindrical shapes for the pores were considered, the former being more appropriate for hydrophone applications due to its enhanced hydrostatic FOM (d h g h ). More finite element homogenization schemes can be found in references [123,139,144,145,146,147].…”

Section: Modelling Of Porous Piezoelectric Materials and Potential Appmentioning

confidence: 99%

Modelling of Porous Piezoelectric Material and Potential Applications to Vibration Energy Harvesting

Ayuso¹

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Recently, the search of new materials with improved performance, such as higher strength, lower weight, fire resistance, less sensitive to fatigue,... has been fostered and driven by industries such as aerospace, energy, and nuclear. The development of composite materials has been an important step to achieve these goals since it allows the combination of different materials in order to improve the overall performance of the resulting composite. Composites, such as layered woven composites or mixtures, are already heavy used in industry. These composite materials are tailored to improve one or several specific properties, for example higher strength or lower weight. However, composite materials are able not only to improve the existing material properties but also to add new properties. Self-sensing capabilities have drawn significant attention recently due to the increasing requirements of safety and optimization. Self-sensing structures are able to provide information in real time about its current state. Often self-sensing systems are distributed in large structures which poses a problem for the energy supply. Piezoelectric materials have been studied in depth for energy harvesting Contents Abstract iii Declarations v Co-Authorship Statement vii Agradecimientos xvii Acknowledgements xix Motivation xxi Thesis Structure xxiii List of Symbols and Notation xxiv Agradecimientos En 1676, Sir Isaac Newton escribió en una carta dirigida a Robert Hooke: Si he visto más lejos es porque estoy sentado sobre los hombros de gigantes. Se refería a científicos que anteriores habían constituido los cimientos de su trabajo, por ejemplo, Nicolás Copérnico, Galileo Galilei, Johannes Kepler. En estas palabras, se encierra la sabiduría de que buena parte de nuestros logros se deben a los demás, a veces anteriores a nosotros, a veces coetáneos. En mi caso, mis padres, Germán y Paqui, han sido los gigantes que me han protegido y sobre los que he observado el mundo. Ellos me han proporcionado todo lo que he necesitado y todo lo que me ha ayudado a crecer como persona. Han sido mi ejemplo a seguir, en trabajo, ética, moral, comportamiento, etc. Y sus lecciones y consejos estarán siempre en mi memoria. Sólo tengo palabras de gratitud y agradecimiento, por todo lo que habéis hecho por mí y por mis hermanos. Ellos me han ayudado a comprender el mundo y me han dado armas para defenderme. A su lado, soy sólo un niño. Eternamente gracias. No puedo olvidar recordar a mi abuelo Germán, que siempre impulsó en mí el deseo de estudiar y progresar. Su capacidad de trabajo y dedicación a la familia han sido un ejemplo para todos. En estos días, su ausencia se hace aún más amarga. A mis hermanas, Irene e Inma, y hermano Fran, por su cariño. Vosotros sois los únicos motivos que necesito para volver a casa. Al resto de mi familia, mi abuela Irene, mi tío Pedro, mi tía Rosa, mi tía Irene, mi tío Mario, mis primos, Rosa, Ángela, Mario y Nerea. Por me han hecho sentirme parte de algo mayor y que merece la pena. También me gustaría agradecer a todos mis a...

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Micromechanical modeling and experimental characterization on viscoelastic behavior of 1–3 active composites

Cited by 10 publications

References 26 publications

Effective properties and nonlinearities in 1-3 piezocomposites: a comprehensive review

Effective properties and nonlinearities in 1-3 piezocomposites: a comprehensive review

Extended Locally Exact Homogenization Theory for Effective Coefficients and Localized Responses of Piezoelectric Composites

Modelling of Porous Piezoelectric Material and Potential Applications to Vibration Energy Harvesting

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