Fatigue life assessment of metal foils in multifunctional composites via combined experiments and simulations

Claus Othmar Wolfgang Trost, Stanislav Žák, Katharina Ruderes, René Hammer, Jördis Rosc, Thomas Krivec, Norbert Schell, Hans-Peter Gänser, Anton Hohenwarter, Megan J. Cordill

Publikation: Beitrag in FachzeitschriftArtikelForschungBegutachtung

Abstract

In many applications metal foils are part of multifunctional composites exhibiting a wide range of (thermo-) mechanical fatigue loading. Data about low cycle fatigue of metallic foils subjected to tension-compression fatigue is sparse due to geometric limits. In this contribution, detailed information about design, tension-compression fatigue testing and data extraction of a layered sample are given. Fatigue failure of both copper and Pre-Preg are analysed using scanning electron microscopy and computed tomography. Numerical models are used to calculate the elastic and plastic strains for the copper foils within the composite sample, allowing a correlation to the observed fatigue life.
OriginalspracheEnglisch
Aufsatznummer110715
FachzeitschriftComposites Part B: Engineering
Jahrgang259.2023
Ausgabenummer15 June
Frühes Online-Datum21 Apr. 2023
DOIs
PublikationsstatusVeröffentlicht - 15 Juni 2023

Bibliographische Notiz

Funding Information:
The authors gratefully acknowledge the financial support under the scope of the COMET program within the K2 Center “Integrated Computational Material, Process and Product Engineering (IC-MPPE)” (Project No 886385). This program is supported by the Austrian Federal Ministries for Climate Action, Environment, Energy, Mobility, Innovation and Technology (BMK) and for Digital and Economic Affairs(BMDW), represented by the Austrian Research Promotion Agency (FFG), and the federal states of Styria, Upper Austria and Tyrol. We acknowledge DESY (Hamburg, Germany), a member of the Helmholtz Association HGF, for the provision of experimental facilities. Parts of this research were carried out at PETRA III using the beamline P07b. The authors also want to thank the workgroup around J. Keckes, especially J. Todt and J. Holcova for their help with the synchrotron data measurements and evaluation.

Funding Information:
The authors gratefully acknowledge the financial support under the scope of the COMET program within the K2 Center “Integrated Computational Material, Process and Product Engineering (IC-MPPE)” (Project No 886385 ). This program is supported by the Austrian Federal Ministries for Climate Action, Environment, Energy, Mobility, Innovation and Technology (BMK) and for Digital and Economic Affairs(BMDW) , represented by the Austrian Research Promotion Agency (FFG) , and the federal states of Styria, Upper Austria and Tyrol. We acknowledge DESY (Hamburg, Germany), a member of the Helmholtz Association HGF, for the provision of experimental facilities. Parts of this research were carried out at PETRA III using the beamline P07b. The authors also want to thank the workgroup around J. Keckes, especially J. Todt and J. Holcova for their help with the synchrotron data measurements and evaluation.

Publisher Copyright:
© 2023 The Author(s)

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