仿生复合材料-自愈合(3)

Nature –some insight

Arthropod Exoskeletons :mineralised chitin-protein

fibres, forming a twisted plywood structure

Nanoscaledesignofthesmallestbuildingblocks

HierarchicalorganizationofstructureControlledorientationofstructuralelements

FunctionallygradedpropertiesDurableinterfacesbetweenhardandsoftcomponentsUniqueenergymechanisms

absorbing

Helicoidalprincipleoffibrecompositedesign–wood,bone,exoskeletonsVascularchannelsRemodelling/

self-healing

Bone: layers of lower stiffness alternating with layers of

higher stiffness