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Crack propagation analysis in multilayer piezoelectric energy harvester

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F19%3APU140685" target="_blank" >RIV/00216305:26210/19:PU140685 - isvavai.cz</a>

  • Result on the web

    <a href="https://www.sciencedirect.com/science/article/pii/S2452321620302080" target="_blank" >https://www.sciencedirect.com/science/article/pii/S2452321620302080</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.prostr.2020.01.141" target="_blank" >10.1016/j.prostr.2020.01.141</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Crack propagation analysis in multilayer piezoelectric energy harvester

  • Original language description

    In this work, a special multilayer piezoelectric cantilever energy harvester with active piezo-electric and protective ceramic layers is suggested and studied. Fracture mechanics behavior of such a layered structure is analyzed by means of the analytical model. Namely, the resistance of the structure to propagation of surface cracks upon harmonic vibrations is studied. The apparent fracture toughness of the laminate (which takes thermal residual stresses induced from processing into account) is calculated using the weight function method. The maximal allowable acceleration of the beam´s clamped end, which is applied upon a given forcing frequency and which warrants that the potential surface cracks will not propagate through the multilayer structure, is determined for a suggested configuration of the energy harvester.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    20302 - Applied mechanics

Result continuities

  • Project

    <a href="/en/project/GA17-08153S" target="_blank" >GA17-08153S: Novel material architectures for SMART piezoceramic electromechanical converters</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2019

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    9th International Conference on Materials Structure and Micromechanics of Fracture (MSMF9)

  • ISBN

    9781713807575

  • ISSN

    2452-3216

  • e-ISSN

  • Number of pages

    6

  • Pages from-to

    535-540

  • Publisher name

    Elsevier B.V.

  • Place of publication

    Brno

  • Event location

    Brno

  • Event date

    Jun 26, 2019

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article