Design and Application of a Quasistatic Crush Test Fixture for Investigating Scale Effects in Energy Absorbing Composite Plates |
Common terms and phrases
absorbing appears approach base plate Baseline n=1 baseline plates beam behavior buckling compared composite plate specimen correlation crashworthiness crush test fixture crushing mode crushing response designed differences displacement double Effect of scaling energy absorption Experimental Farley fiber flat plate fracture full scale specimens Gr/Kv/Ep graphite Graphite/Epoxy guide posts helicopter higher hybrid illustrated increase indicated initial Kevlar knife edges lamina bending laminate Large less Load applicator load ratios load-displacement lower material systems matrix measured methods notch trigger mechanism observed occurs old fixture peak and sustained Peak Load performed places plates with steeple plies plots ply-level scaled plates pressure Problem reduction respectively response of baseline shown in Figure side similar Sliding Small Specimen Scale SSCS stacking sequence steeple trigger mechanism strain stress stroke structure subfloor sublaminate scaled plates Summary support posts sustained crushing loads Table thickness tubes typical