New discovery in animal exoskeletons leads to advances in designing constructionmaterials NatureComms
/conversion and architectural structures, in collaboration with the teams from University of Queensland and University of Manchester," says Professor Duan.
Since the 1972 discovery of the helical structure, one of the most common structural patterns in biology, there has been a drive to extract design motifs from more than 7 million living species in the world to aid the fabrication of structured/structural materials. After almost 50 years of research, remarkable repetitions have been confirmed in most classes of species but only eight categories of design motifs have ever been extracted and adopted in materials design, until now.
The new design structure has been identified in various species such as the exoskeletons of arthropods, the legs of mammals, amphibians and reptiles. These design motifs are valuable sources of inspiration for"Compared to the current design motif, our segmental design motif dissipates the energy by segment rotation. The beauty of our discovered design motif is that the material can exhibit a unique periodic progressive failure behavior.
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