Micro CT Analysis of Dynamic Damage in Laminates: Impact vs. blast loading

Laurence A Coles, Anish Roy, Vadim V Silberschmidt
2017 Journal of Physics, Conference Series  
Citation: COLES, L.A., ROY, A. and SILBERSCHMIDT, V.V., 2017. Micro CT analysis of dynamic damage in laminates: impact vs. blast loading. Abstract. Dynamic loading is often an unavoidable condition in various applications of carbon-fibre-reinforced polymers and can cause various modes of damage. Realisation of dynamic damage in composites can differ significantly from that under quasi-static loading conditions. A comprehensive study of damage in composites caused by a wide variety of impact and
more » ... riety of impact and blast loading is currently lacking. The work presents a detailed analysis of damage in specimens of a 2×2 twill weave T300 carbon-fibre/epoxy composite subjected to ballistic loading with both steel and ice projectiles (with energies from 95 J to 865 J at 70-90 m/s and 300-500 m/s, respectively) and air blast (with incident pressures of 0.4 MPa, 0.6 MPa and 0.8 MPa and wave speeds between 650 m/s and 950 m/s). The resultant damage was analysed indepth based on detailed volumetric data obtained with high-resolution X-ray micro computed tomography.
doi:10.1088/1742-6596/842/1/012077 fatcat:4ansi5zkp5d45p4feskzb7boiu