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Characterization of resin-injection repair of impact damage in polymer matrix composite
Ritwik Prashant Moghe, , Deepika Sudevan
Published in American Society of Mechanical Engineers (ASME)
2015
Volume: 1-2015
   
Abstract
Resin injection repair of impact damage in polymer matrix composites is studied using an in-house developed repair methodology. Carbon fiber reinforced polymeric composite specimens were impacted for three levels of impact damage (23 J, 35 J and 51 J - typical of low energy, medium energy, high energy) using a drop tup test rig and the damage zone was characterized using ultrasonic C-scan technique. The impact damaged specimens were repaired using a resin infiltration method. The selection of low viscosity room temperature curing resin, and process parameters such as resin injection pressure and vacuum levels to be maintained were studied to arrive at optimum repair method. The tension, compression strength of laminates prior to impact and post-impact as well as post-repair was studied to assess the quality of repair method. The results indicate that the chosen resin injection repair is effective for the repair of low energy impact damage but not in the case of medium and high energy impact damage. Copyright © 2015 by ASME.
About the journal
JournalASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE)
PublisherAmerican Society of Mechanical Engineers (ASME)
Open AccessNo
Concepts (16)
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    Carbon
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    Carbon fiber reinforced plastics
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    Laminates
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    Plates (structural components)
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    Repair
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    Resins
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    Ultrasonic applications
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    CARBON FIBER REINFORCED
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    COMPRESSION STRENGTH
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    HIGH-ENERGY IMPACT
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    Process parameters
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    REPAIR METHODOLOGY
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    RESIN INFILTRATIONS
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    ROOM TEMPERATURE CURING
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    Ultrasonic c-scan
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    Polymer matrix composites