---
res:
  bibo_abstract:
  - Simulation-based design of high-power ultrasonic systems depends on the accurate
    modelling of the electromechanical behaviour of piezoceramic materials. In practical
    transducer applications, the relevant operating points are influenced by mechanical
    preload and heating, both of which give rise to changes in the elastic, dielectric,
    and piezoelectric material properties. Material parameters identified under idealised,
    unloaded conditions are therefore insufficient to represent piezoceramic material
    behaviour under realistic operating conditions. To overcome this limitation, experimental
    setups are developed that enable the measurement of electrical impedance spectra
    under controlled thermal and mechanical conditions. The acquired impedance data
    are used in an inverse identification procedure, in which the behaviour of a finite
    element forward model is iteratively fitted to the measurements using a block
    coordinate descent optimisation strategy guided by a sensitivity analysis. This
    yields effective linear material parameters as a function of temperature and mechanical
    stress at varying operating points. The identified temperature-dependent parameters,
    for instance, can be employed in a coupled thermo-electromechanical simulation
    framework to predict the temperature-dependent material behaviour during operation.
    The linear identification based on varying operation points provides an initial
    approximation of the nonlinear material response, establishing a basis for the
    development of corresponding nonlinear material models.@eng
  bibo_authorlist:
  - foaf_Person:
      foaf_givenName: Olga
      foaf_name: Friesen, Olga
      foaf_surname: Friesen
      foaf_workInfoHomepage: http://www.librecat.org/personId=44026
    orcid: 0009-0007-5598-9484
  - foaf_Person:
      foaf_givenName: Leander
      foaf_name: Claes, Leander
      foaf_surname: Claes
      foaf_workInfoHomepage: http://www.librecat.org/personId=11829
    orcid: 0000-0002-4393-268X
  - foaf_Person:
      foaf_givenName: Jonas
      foaf_name: Hölscher, Jonas
      foaf_surname: Hölscher
      foaf_workInfoHomepage: http://www.librecat.org/personId=73952
  - foaf_Person:
      foaf_givenName: Bernd
      foaf_name: Henning, Bernd
      foaf_surname: Henning
      foaf_workInfoHomepage: http://www.librecat.org/personId=213
  - foaf_Person:
      foaf_givenName: Claus
      foaf_name: Scheidemann, Claus
      foaf_surname: Scheidemann
      foaf_workInfoHomepage: http://www.librecat.org/personId=38259
  - foaf_Person:
      foaf_givenName: Tobias
      foaf_name: Hemsel, Tobias
      foaf_surname: Hemsel
      foaf_workInfoHomepage: http://www.librecat.org/personId=210
  - foaf_Person:
      foaf_givenName: Raphael
      foaf_name: Kuess, Raphael
      foaf_surname: Kuess
  - foaf_Person:
      foaf_givenName: Andrea
      foaf_name: Walther, Andrea
      foaf_surname: Walther
  - foaf_Person:
      foaf_givenName: Carsten
      foaf_name: Spieker, Carsten
      foaf_surname: Spieker
      foaf_workInfoHomepage: http://www.librecat.org/personId=67587
  - foaf_Person:
      foaf_givenName: Jens
      foaf_name: Förstner, Jens
      foaf_surname: Förstner
      foaf_workInfoHomepage: http://www.librecat.org/personId=158
    orcid: 0000-0001-7059-9862
  bibo_doi: 10.1515/teme-2026-0042
  dct_date: 2026^xs_gYear
  dct_isPartOf:
  - http://id.crossref.org/issn/0171-8096
  - http://id.crossref.org/issn/2196-7113
  dct_language: eng
  dct_publisher: Walter de Gruyter GmbH@
  dct_subject:
  - tet_topic_piezo
  dct_title: Measurement of multiphysical material parameters of piezoceramic components
    for high-power ultrasonic applications@
...