Strain-rate dependency of interfacial strength in Polymer Matrix composite

Taiji Ohishi*, Shinya Sato, Hiroyuki Kawada

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


The interfacial strength is the most important mechanical property among those of constituents in Polymer Matrix Composite : PMC. In this study, we conducted the tensile tests on Single Fiber Composite specimen and observed initiation of interfacial debonding at different loading rates. As a result, we recognized dependency of the interfacial strength on strain rates. According to the elasto-plastic analysis assuming that matrix's yield stress varies depending on strain rates, the stress distribution of the interface becomes close to the elastic analysis and it can be concluded that the dependency of interfacial strength on strain rates is caused by matrix's dependency on strain rates.

Original languageEnglish
Pages (from-to)669-671
Number of pages3
JournalNihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
Issue number766
Publication statusPublished - 2010 Jun
Externally publishedYes


  • Composite material
  • Interface
  • Interfacial debonding
  • Micromechanics

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering


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