Journal
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
Volume 39, Issue 5, Pages 786-795Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2008.02.002
Keywords
glass fibers; strength; joints/joining; co-cure
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Methods to increase the strength of co-cured joints are highly sought after for metal/composite hybrid structures. The present study proposes a reinforcing method for aluminum/glass fiber-reinforced polymer co-cured composites using inter-adherend (IA) fiber that penetrates into the composite and holes in the metal adherend. The IA fiber performs as a bridge and suppresses crack propagation in the lap joints. Static and fatigue tensile tests were performed, and the displacement to failure and ultimate static strength were found to be significantly increased using the IA fiber without a decrease in the fatigue performance. The optimal tension force to the IA fiber realizes higher static tensile strength with lower scatter. (C) 2008 Elsevier Ltd. All rights reserved.
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