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Natural materials

Velcro mechanics in wood

The remarkable deformability of wood in a moist environment resembles that of ductile metals. A combination of traditional mechanical tests and cutting-edge diffraction experiments reveal the molecular mechanism that determines such behaviour.

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Figure 1: The anatomy of wood cells.
Figure 2: The macroscopic behaviour of wood and the molecular mechanism behind it.

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Kretschmann, D. Velcro mechanics in wood. Nature Mater 2, 775–776 (2003). https://doi.org/10.1038/nmat1025

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