2. Properties of nano-objects
2.1 Mechanical properties
The aim of studying the mechanical behavior of materials is to determine their response (deformation, fracture, etc.) to a given stress. The stress-strain curve of a material is generally characterized by an elastic part (linear relationship between stress and strain), a plastic part (non-linear relationship) and then fracture. The elastic/plastic limit corresponds to the movement of dislocations, and fracture to the propagation of a crack, generally initiated by a defect (figure 3 ).
Surface elastic properties may differ from volume elastic properties
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Properties of nano-objects
Nanomaterials of the graphene family
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