4× interfacial node strength
MWCNTs/PEEK energy directors avoid resin-rich areas and enable fiber bridging for efficient stress transfer, with honeycomb exceeding commercial lightweight honeycombs in specific energy absorption and strength.
Xiang, Junxian · Tao, Jie · Funa, Yang · Li, Huaguan · Chen, Xi · Lin, Yanyan · Lili, Yuan
Composites Science and Technology 2024
Optimized CF/PEEK honeycomb shows superior specific energy absorption and specific compressive strength over commercial lightweight honeycombs
Failure analysis reveals MWCNTs induce fiber bridging between cell walls