Analytical description of the fiber orientation in the joining area of composite structures

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Tutor / director / evaluatorFleischer, Jürgen
CovenanteeKarlsruher Institut für Technologie
Document typeMaster thesis
Date2018
Rights accessOpen Access
Abstract
The application of fiber reinforced composites in multi material assemblies increases
because of the potential to create products with low weight and high load capacity.
The joining methods used in the industry, often require of drilling holes, which
produce damage and weaken in the composite. This thesis is focused on describe a
model to predict the orientation of the fibers in the union area, concretely when an
embedded insert is located. This joining methodology allows the optimization of the
fiber orientation, thus the fibers are relocated around the hole instead of cut them.
The present work consists in different sequential stages. First, a study of the
influencing factors might produce the curvilinear behavior is carried out. Then, using
images from tested samples the real trajectories are described. And finally by
statistical and geometrical analysis an analytical model to predict the orientation in
the joining area is developed.
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