Crashworthiness and optimization design of quadruple-cell Aluminum/CFRP hybrid tubes under transverse bending

This paper aims to investigate the bending collapse and crashworthiness of the quadruple-cell Al/CFRP (aluminum/carbon fiber reinforced plastic) hybrid tubes under quasi-static and dynamic loading. Three-point bending tests were first conducted for pure Al tubes and Al/CFRP hybrid tubes with different wrapping angles. Experimental results showed that the enhancement effect of CFRP wrapping on energy absorption efficiency of hybrid structures was...