Journal
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
Volume 31, Issue 6, Pages 603-608Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S1359-835X(99)00095-0
Keywords
carbon-epoxy composite; adhesion
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Low-temperature cure adhesive systems have been evaluated for repair of composites. Pre-cracked DCB fracture toughness specimens were repaired using an ethylcyanoacrylate (ECA) system and an epoxy-based system cured with 4,4'-methylene-bis(aminocyclohexane) (PACM), and the post-repair fracture toughness measured. The results showed that both groups of repaired specimens exhibited higher GI, than the original specimens. However, the EGA-repaired specimens showed a greater tendency to fracture in a stick-slip fashion compared to specimens repaired with epoxy. (C) 2000 Elsevier Science Ltd. All rights reserved.
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