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Abstract
The development of hierarchical composites using pultruded rods as a primary building block is ongoing. These new composites, thanks to the nature of their constituent, offer more freedom of design as three-dimensional structures compared to the two-dimensional layer-by-layer composites. Getting a good understanding, and therefore characterisation of these building blocks becomes crucial before using them in hierarchical structures. However, it is expensive to perform many tests by following a trial-and-error approach. Modelling those tests therefore becomes useful as it allows the users to get a first estimation of the possible output of an experiment. These models are even more crucial when they aim to represent the complex behaviour of a system, as is the case with compression of Fibre Reinforced Polymers (FRPs): the shear instability, the buckling, twisting and rotations resulting from compression loads are not trivial to predict, neither are the limitations of the test method used. A model of a modified four-point bend test is presented, with its limits as well as its potential for improvement.
Original language | English |
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Title of host publication | Proceedings of 21st European Conference on Composite Materials |
Publisher | The European Society for Composite Materials (ESCM) and the Ecole Centrale de Nantes |
Pages | 836-843 |
Number of pages | 8 |
Volume | 8 |
ISBN (Print) | 978-2-912985-01-9 |
DOIs | |
Publication status | Published - 5 Jul 2024 |
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