Evaluation of composite bonded joints
Conference
·
OSTI ID:175128
- Howard Univ., Washington, DC (United States); and others
The present investigation evaluates the influence of joining technique on the static and fatigue behavior of composite bonded joints. Specimens used in this investigation were LDF AS4/PEKK graphite/thermoplastic composites and IM6/3501-6 graphite/poxy composite laminates. Joints were made by either adhesive bonding or fusing bonding. For the adhesive bonded joints, in some cases specimens were bonded without any surface pretreatment while in other cases the surfaces were either grit blast or corona. treated prior to bonding. For the fusion bonded joints, joints were prepared by either induction welding or thermabonding. In addition, some specimens were conditioned in a wet environment for thirty days in order to observe the influence of moisture on the static strengths. During fatigue testing, the residual stiffness was continually monitored in order to assess the extent of fatigue damage development.
- OSTI ID:
- 175128
- Report Number(s):
- CONF-950686--
- Country of Publication:
- United States
- Language:
- English
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