Interlaminar toughness and characteristic morphology of laminated graphite composites interlaminar-toughened

Xiaosu Yi, Yahong Xu, Qunfeng Cheng, Zhengping Fang

Research output: Journal PublicationArticlepeer-review

5 Citations (Scopus)


The interlaminar toughness like GIC and GIIC of BMI based composite laminates Ex-situ toughened was studied as well as the interlaminar microstructure and morphology, impact damage resistance, compression strength after impact, and the typical in-plan and out-plan mechanical properties. Based on the Ex-situ toughening concept, it is found that a thermoplastic/thermosetting co-continuous phase is formed by the reaction-induced spinodal phase separation, followed by phase inversion and coarsening in the interlaminar region of composite laminate, which dramatically improves the interlaminar fracture toughness, impact damage resistance and compression strength after impact.

Original languageEnglish
Pages (from-to)337-346
Number of pages10
JournalCailiao Yanjiu Xuebao/Chinese Journal of Materials Research
Issue number4
Publication statusPublished - Aug 2008
Externally publishedYes


  • Bismaleimide
  • Composites
  • Impact damage
  • Interlaminar toughness
  • Mechanical properties
  • Phase morphology

ASJC Scopus subject areas

  • General Materials Science


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