Interphase in polymer-matrix composites

Nancy R Sottos, R. L. McCullough

Research output: Book/Report/Conference proceedingBook


The interphase in polymer composites is defined as a region which may develop at the interface between the reinforcement and the matrix and possesses the properties of neither. Although this region is of microscopic proportion, it has the potential to control many of the thermo-mechanical, chemical and electrical properties of the overall composite. The interphase has been the subject of intense research; however, much about the exact nature and influence of the interphase is still not clearly understood. This article attempts to summarize and review the mechanisms of interphase formation, the role of interfacial adhesion, the influence of interphase on local stress development, and experimental studies to characterize interphase material properties. Important conclusions as well as unresolved issues are discussed.

Original languageEnglish (US)
PublisherPubl by ASME
Number of pages23
StatePublished - 1994

ASJC Scopus subject areas

  • General Engineering


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