Effects of Moisture Absorption on the Dynamic Interlaminar Fracture Toughness of Carbon/Epoxy Composites
作者： Mitsugu Todo , Takashige Nakamura , Kiyoshi Takahashi
DOI: 10.1177/002199830003400801
关键词: Composite material 、 Scanning electron microscope 、 Micrography 、 Dynamic loading 、 Fracture (geology) 、 Absorption of water 、 Delamination 、 Epoxy 、 Materials science 、 Fracture toughness
摘要: Effects of moisture absorption on the dynamic mode II interlaminar fracture behavior two different kinds carbon/epoxy composites at a low impact rate 0.9 m/s were studied. ENF specimens preconditioned under three environmental conditions, that is, dry, 80°C-90% RH and 80°C-wet. Mode toughnesses, GIIC, then evaluated quasi-static loading. The results showed had an influence GIIC values composites. experimental also exhibited loading condition tended to decrease GIIc values. Scanning electron micrography was performed characterize micromechanisms fracture. discussed basis testing microscopic studies.
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