Dynamic Mechanical Properties and Constitutive Model of Honeycomb Materials with Random Defects under Impact Loading

Figure 12

Stress-strain curves and its constitutive model: (a) the stress-stain curves of honeycomb without defects; (b) the stress-stain curves of honeycomb with, random defects under 20 m/s impact loading; and (c) experimental and theoretical curves of open-cell metal foam under various strain rates.

(a)

(b)

(c)