Bionic vault-structuring is a method to generate a three-dimensional
pattern in metallic sheets. Thanks to the controlled self-organization
arrangement, a minimum of plastic deformation is required for forming
the patterns. Because of their high rigidity, vault-structured,
hexagonally or three-dimensional facet-structured components can be
produced in stainless steel with greatly reduced wall thickness.
Vault-structured materials, even if thin and lightweight, are
highly resistant to bending and to stress caused by thermal expansion,
and they have other advantageous properties with application potential
for lightweight structures. When flow bypasses three-dimensional
profiled surfaces, there is a higher convective heat and mass-transfer
coefficient compared to smooth surfaces.
From:
http://www.solaripedia.com/713/19/material.html
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