Efficient Characterization and Modelling of Material Behaviour of LFT for Component Simulations

Hannes Grimm-Strele; Matthias Kabel; Jonathan Köbler

doi:10.4028/www.scientific.net/KEM.809.447

Paper Titles

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Tribological Properties of Multi-Layer a-C:H:W/a-C:H PVD-Coatings Micro-Structured by Picosecond Laser Ablation
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Efficient Characterization and Modelling of Material Behaviour of LFT for Component Simulations
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Mechanical Design of Intersection Points of Tailored Fiber Placement Made Carbon Fiber Reinforced Plastic Truss-Like Structures
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 809Efficient Characterization and Modelling of...

Efficient Characterization and Modelling of Material Behaviour of LFT for Component Simulations

Abstract:

Modeling failure and progressive damage of long fibre reinforced thermoplastics (LFT) presents a challenging task since local inhomogeneities, anisotropic fibre orientations, and strain-rate dependence must be taken into account also on the microscale. We show that for simple geometries, the material behaviour of the composite can be modelled using layered geometrical models. But for more complex geometries, this approach fails since the fibre orientation distribution is inhomogeneous. In this case, multiscale methods allow the accurate and efficient prediction of the material behaviour with the local fibre orientation taken from an injection molding simulation. This material model can be extended to viscoplasticity and integrated into the NTFA-TSO method from Michel & Suquet (2016). In this way, we can obtain an accurate and efficient multiscale method for the realistic modelling of LFT.

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Periodical:

Key Engineering Materials (Volume 809)

Pages:

447-451

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.809.447

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Online since:

June 2019

Authors:

Hannes Grimm-Strele*, Matthias Kabel, Jonathan Köbler

Keywords:

Injection Molding Simulation, Long Fibre Reinforced Thermoplastics (LFT), Mechanical Properties, Multiscale Simulation

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