Abstract
Carbon fiber reinforced plastic (CFRP) composites exhibit great potential in connecting with metallic materials to fabricate desired structures with superior properties. Since composite/metal structures are expected to experience corrosion and impact loading during their long-term service, this paper comprehensively studied the effects of high speed loading and cyclic salt spray-dry-wet exposure on dynamic responses of hybrid bonded-riveted CFRP/Al joints. Experimental results indicated that the joint load-carrying capability was relatively higher with increased loading speed. The peak load, fail displacement and energy absorption of joints were sensitive to salt spray exposure and progressively declined with higher aging time. A high speed camera was implemented to record the whole failure process of hybrid joints under dynamic loading for further progressive failure analyses. The representative specimens were selected to comparatively investigate their failure characteristics and found that the failure process of samples under high speed loading (5–10 m/s) was considerably different with respect to aging time and loading speed.
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