Biological Structures and Biomimetics

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More than 80% of all animals in the world are arthropods, and amongst them insects are the most diverse and abundant group. Insects inhabit almost all of the world’s ecosystems and show an astonishing variety of different evolutionary adaptations. Hence, insects are often considered to be one of the evolutionary most successful groups of animals.

 

The insects' secret of success

Part of the insects’ secrets of evolutionary success is their cuticle exoskeleton. After wood, arthropod cuticle is the second most common biological composite material in the world. Cuticle not only exhibits unique biomechanical properties; it is also one of the most versatile biological materials. This makes cuticle an extremely interesting candidate for the design of new bio-inspired composite materials. Surprisingly, despite many decades of research, the fundamental biomechanical properties and principles found in arthropod cuticle are still mostly unknown and the biomimetic potential of cuticle is almost untapped.

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© Prof. Dr. Jan-Henning Dirks - Hochschule Bremen, City University of Applied Sciences. Several images with kind permission by Jonas Ginter/Innowi GmbH