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Thermoelastic Diffusion Theory for Piezoelectric Materials

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Encyclopedia of Continuum Mechanics

Synonyms

Green-Naghdi theory

; Piezoelectric

; Thermoelastic diffusion

Definitions

Piezoelectricity is the ability of some materials to generate an electric charge in response to applied mechanical stress.

Cross effects of heat and mass diffusion exchange with the environment arising from and inside nuclear reactors influence their design and operations. Thermoelastic diffusion material is an elastic deformable solid allowing for changes in temperature and mass diffusion. Diffusion can be defined as the random walk of an ensemble of particles from regions of high concentration to regions of lower concentration. Thermodiffusion in an elastic solid is due to coupling of the fields of temperature, mass diffusion, and that of strain.

Green and Naghdi theory of types I, II, and III are three thermomechanical theories of deformable continua. The type I coincides with the classical heat conduction based on Fourier’s law. The type II and III models are based on entropy balance law rather than...

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References

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Author information

Authors and Affiliations

  1. UR Systèmes dynamiques et applications, Ecole Nationale d’Ingénieurs de Bizerte, Université de Carthage, Menzel Abderrahman, Tunisia

    Moncef Aouadi

Authors
  1. Moncef Aouadi
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Corresponding author

Correspondence to Moncef Aouadi .

Editor information

Editors and Affiliations

  1. Institut für Mechanik, Otto-von-Guericke-Universität Institut für Mechanik, Magdeburg, Germany

    Holm Altenbach

  2. Griffith University (Gold Coast Campus), Griffith School of Engineering Griffith University (Gold Coast Campus), Southport, Queensland, Australia

    Andreas Öchsner

Section Editor information

  1. Department of Theoretical Mechanics, Institute of Applied Mathematics and Mechanics, Peter the Great St. Petersburg Polytechnic University, Polytechnicheskaya 29, 195251, St. Petersburg, Russia

    Elena Ivanova

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Aouadi, M. (2018). Thermoelastic Diffusion Theory for Piezoelectric Materials. In: Altenbach, H., Öchsner, A. (eds) Encyclopedia of Continuum Mechanics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-53605-6_144-1

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  • DOI: https://doi.org/10.1007/978-3-662-53605-6_144-1

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-662-53605-6

  • Online ISBN: 978-3-662-53605-6

  • eBook Packages: Springer Reference EngineeringReference Module Computer Science and Engineering

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