Processing and property of carbon-fiber aluminum-foam sandwich with aramid-fiber composite adhesive joints

Z. Sun, J. Jeyaraman, S. Shi, S. Sun, Xiao Hu, H. Chen

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Thin tissues (or called webs) of short aramid fibers were added at the adhesive joints between carbon-fiber face sheets and aluminum-foam core to form aramid-fiber composite adhesive joints for improving the interfacial bonding strength of sandwich structures and therefore other structural properties. In-plane critical compression loads and failure modes of carbon-fiber aluminum-foam sandwich beams with short aramid-fiber composite adhesive joints are investigated and discussed in this study. Improvements in critical compression loads were achieved for all specimens with aramid-fiber composite adhesive joints of different densities. It is suggested that the composite adhesive joints using low-density short aramid fibers is effective in promoting reinforcements against cracking and delamination at the interface between carbon-fiber face sheets and aluminum-foam core. The underlying interfacial strengthening and toughening mechanisms were discussed and analyzed based on observations from optical image and scanning electron microscopy. © 2014 Taylor & Francis.
Original languageEnglish
Pages (from-to)1835-1845
JournalJournal of Adhesion Science and Technology
Volume28
Issue number18
Early online date16 Jun 2014
DOIs
Publication statusPublished - Sep 2014

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