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

doi:10.1016/j.compositesb.2023.110715

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

Research output: Contribution to journal › Article › Research › peer-review

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.

Original language	English
Article number	110715
Journal	Composites Part B: Engineering
Volume	259.2023
Issue number	15 June
Early online date	21 Apr 2023
DOIs	https://doi.org/10.1016/j.compositesb.2023.110715
Publication status	Published - 15 Jun 2023

Bibliographical note

Keywords

Fatigue
Finite element analysis (FEA)
Fractography
Fracture

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10.1016/j.compositesb.2023.110715

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Trost, C. O. W., Žák, S., Ruderes, K., Hammer, R., Rosc, J., Krivec, T., Schell, N., Gänser, H.-P., Hohenwarter, A., & Cordill, M. J. (2023). Fatigue life assessment of metal foils in multifunctional composites via combined experiments and simulations. Composites Part B: Engineering, 259.2023(15 June), Article 110715. https://doi.org/10.1016/j.compositesb.2023.110715

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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.",

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AU - Trost, Claus Othmar Wolfgang

AU - Žák, Stanislav

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AU - Hammer, René

AU - Rosc, Jördis

AU - Krivec, Thomas

AU - Schell, Norbert

AU - Gänser, Hans-Peter

AU - Hohenwarter, Anton

AU - Cordill, Megan J.

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AB - 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.

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

Abstract

Bibliographical note

Keywords

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Cite this