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Compression after ballistic impact response of pseudoelastic shape memory alloy embedded hybrid unsymmetrical patch repaired glass-fiber reinforced polymer composites
Luv Verma, G. Balaganesan, ,
Published in SAGE Publications Ltd
2019
Volume: 53
   
Issue: 28-30
Pages: 4225 - 4247
Abstract
This paper investigated the influence of embedding pseudoelastic shape memory alloy within the external bonded patch made up of glass fibers on the compression after impact response of adhesively bonded external patch repaired glass/epoxy composite laminates. Unsymmetrical patch repair was employed in the current studies. Three innovative pseudoelastic shape memory alloy configurations (straight wired, meshed and anchored) were embedded inside the patch and the changes in high-velocity impact response and damage tolerance at four impact velocities (70, 85, 95, 105 m/s) were compared with the conventional glass/epoxy (glass fiber-reinforced polymer) patch. Anchored specimens showed the best response by improving the compressive strength by 25% under non-impacted conditions and restoring it by 88%, 77%, 29%, and 28% at the impact velocity of 70, 85, 95, and 105 m/s, respectively, in comparison to the conventional normal specimens. © The Author(s) 2019.
About the journal
JournalData powered by TypesetJournal of Composite Materials
PublisherData powered by TypesetSAGE Publications Ltd
ISSN00219983
Open AccessNo
Concepts (21)
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    Adhesives
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    Ballistics
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    Composite materials
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    Compressive strength
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    Fiber reinforced plastics
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    Glass fibers
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    Laminated composites
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    PAPER LAMINATES
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    Reinforced plastics
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    Reinforcement
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    Repair
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    Steel beams and girders
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    Ballistic impact
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    COMPOSITE REPAIR
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    Compression after impact
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    Glass fiber reinforced polymer
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    GLASS-FIBER REINFORCED POLYMER COMPOSITES
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    GLASS/EPOXY COMPOSITE
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    High-velocity impact
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    PATCH REPAIR
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    SHAPE-MEMORY ALLOY