Experimental investigation on fatigue behaviour of glass/epoxy quasi-isotropic laminate composites under different ageing conditions

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Abstract

The present work investigates the effect of ageing on fatigue performance of glass/epoxy quasi-isotropic laminates. Specimens were aged in artificial seawater at ambient, sub-zero and humid conditions for a period of 180 days. Static tensile and dynamic tension-tension fatigue tests were performed on pristine and aged specimens and based on the experimental results S-N curve, rate of stiffness degradation and damage accumulation were established. The results revealed that fatigue damage growth depends upon the ageing conditions and percentage of moisture content. Multiple cracks, interfiber debonding and matrix decomposition from the fibre surface are responsible for the deterioration of fatigue properties.

Original languageEnglish
Article number105992
JournalInternational Journal of Fatigue
Volume143
DOIs
Publication statusPublished - 02-2021

All Science Journal Classification (ASJC) codes

  • Modelling and Simulation
  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering

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