Abstract
AbstractIn this paper, three‐phase composites were made by combining N220 carbon black rubber powder with open‐cell aluminum foam and epoxy resin with mass fractions of 3 %, 5 %, and 7 %, respectively. The mechanical and energy absorption properties of three groups of epoxy resin/rubber powder/aluminum foam three‐phase composites with added aluminum foam and different mass fractions of N220 carbon black rubber powder were analyzed during quasi‐static compression at a compression rate of 2 mm/minute. The mechanical parameters in the quasi‐static compression experiments were compared with those of the two‐phase composites of epoxy resin/rubber powder with no added aluminum foam. Finally, the micro‐morphology of the composites after quasi‐static compression damage was observed by scanning electron microscopy. The results show that the collapse deformation of aluminum foam during compression affects the stability of the epoxy resin/rubber powder composite matrix and reduces the toughness of the epoxy resin/rubber powder composite matrix.
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