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To expand the application of light‐weight and high‐strength polymer matrix composites in the fields of aerospace, shipbuilding and transportation, it has designed and fabricated a new‐type carbon fiber fabric/hollow glass beads/epoxy resin (CFF/HGB/EP) composite with a three‐layer sandwich structure, consisting of an upper composite layer (CFF/EP), core layer (HGB/EP) and lower composite layer (CFF/EP)...