Hygrothermal degradation in glass/epoxy - evaluation via stress wave factors

Gang Hong, Angelo Yalizis, George N. Frantziskonis

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


The paper documents an experimental study on nondestructive evaluation of hygrothermally degraded glass fiber/epoxy matrix composite laminates. Specimens were subjected to accelerated life tests, i.e. high temperature and high pressure steam. The efficiency of the stress (ultrasonic) wave propagation through the specimens was evaluated quantitatively, at various stages of degradation, via the so-called stress wave factors (SWFs). Scanning electron micrographs were taken at some stages of degradation. In addition, the specimens were tested in bending mode. All measurements are correlated with the SWFs.

Original languageEnglish (US)
Pages (from-to)407-417
Number of pages11
JournalComposite Structures
Issue number4
StatePublished - 1995

ASJC Scopus subject areas

  • Ceramics and Composites
  • Civil and Structural Engineering


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