Research Article

Testing the Explosion Resistance and Energy Absorption of a Polyurethane-Foamed Aluminum Composite Structure

Table 1

Parameters of the open-cell aluminum foam.

AperturePorosityHole rateBulk densityCompressive strength Bending strength Tensile strength

1.66 mm68–78%90–95%0.60–0.85 g/cm38.61 MPa8.06 MPa3.41 MPa