Fracture and fatigue behavior of carbon/epoxy laminates modified by nanofibers

Reza Mohammadi, Mehdi Ahmadi Najafabadi, Hamed Saghafi, Dimitrios Zarouchas

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)


This research focused on fracture and fatigue response of carbon/epoxy laminates modified with electrospun nylon 66 nanofibers. For this purpose, AS4/8552 composite laminates interleaved by nanofibrous mat were considered under mode-I quasi-static and fatigue loading conditions. According to test outcomes, the fracture toughness increased about 133% under quasi-static tests. On the other hand, the plotted fatigue curves showed that the crack growth rate significantly decreased in modified samples and the threshold energy release rate enhanced about 128%. Finally, scanning electron microscopy (SEM) was also conducted to investigate the damage mechanisms.

Original languageEnglish
Article number106015
Number of pages11
JournalComposites Part A: Applied Science and Manufacturing
Publication statusPublished - Oct 2020


  • Composite laminates
  • Fatigue loading
  • Mode-I fracture toughness
  • Nylon 66 nanofibers


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