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Composites meet biomimetics Composites meet biomimetics (Visit Count : 3897)
A pavilion that's robotically fabricated from carbon and glass fibre composite materials has been constructed as part of a joint project between architecture and engineering researchers at the University of Stuttgart.

The project investigates the interrelation between innovative materials, biomimetic design strategies and novel robotic production processes. The project used the morphological principles of arthropod exoskeletons as a source inspiration for the composite construction.

The team used a robotic fabrication process based on filament winding, to wrap both carbon and glass fibres in a highly complex and inter-related pattern, mimicking that of natural structures.
A key aspect of the project was to transfer the fibrous morphology of the biological role model to fibre-reinforced composite materials. The pavilion is produced in a 4mm thick composite laminate shell, yet is able to span 8m and take weight of over 320kg.

The 'lobster exoskeleton' consists of a soft endocuticle, and a relatively harder layer, the exocuticle. The position and orientation of fibres and related material properties respond to specific local requirements. The resulting isotropic fibre structure allows a uniform load distribution in every direction, as nature intended.
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Date: 10/7/2014
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