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Applications of Viscoplasticity and Damage Models, the Thermomechanical Consistency and the Prospect of a Microstructural Representation

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Material Modeling and Structural Mechanics

Abstract

Material models in the framework of continuum mechanics cover the experimentally observed phenomena with a mathematical representation and a correspondingsetofmaterialparameters,whichneedtobeestablishedandvalidated. The theory of viscoplasticity plays an important role to describe the material behaviour of polymers and metals for a conventional as well as an additive manufacturing process. Naturally, the manufacturing process influences the microstructure and is to be reflected in the analysis and the characterisation of the material. The geometry reconstruction of microscopic images supports the extension of well-known material models and motivates the investigation of the interaction in bicontinuous composites. A universal measurement method as the contactfree thermography can be applied to validate the analytical assumption by an extended set of characteristics.

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Acknowledgements

The financial support of the BMWi and AiF Projekt GmbH is gratefully acknowledged.

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Correspondence to Matthias Ziegenhorn .

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Ziegenhorn, M. et al. (2022). Applications of Viscoplasticity and Damage Models, the Thermomechanical Consistency and the Prospect of a Microstructural Representation. In: Altenbach, H., Beitelschmidt, M., Kästner, M., Naumenko, K., Wallmersperger, T. (eds) Material Modeling and Structural Mechanics . Advanced Structured Materials, vol 161. Springer, Cham. https://doi.org/10.1007/978-3-030-97675-0_12

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  • DOI: https://doi.org/10.1007/978-3-030-97675-0_12

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-97674-3

  • Online ISBN: 978-3-030-97675-0

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