The Effects of Crushing Speed on the Energy-Absorption Capability of Composite Tubes

The energy-absorption capability as a function of crushing speed was determined for Thornel 300-Fiberite 934 (Gr-E) and Kevlar-49-Fiberite 934 (K-E) composite material. Circular cross section tube specimens were crushed at speeds ranging from 0.01 m/sec to 12 m/sec. Ply orientations of the tube specimens were [0/± θ] 2 and [± θ] 2 where θ = 15, 45, and 75 degrees. Based upon the results of these tests the energy-absorption capability of Gr-E and...