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Repair of through thickness corrosion/leaking defects in corroded pipelines using Fiber Reinforced Polymer overwrap
G. Balaganesan,
Published in Institute of Physics Publishing
2018
Volume: 346
   
Issue: 1
Abstract
The present study is concerned with the repair of through thickness corrosion or leaking defects in metallic pipelines using a commercially available metallic seal and glass/epoxy composite. Pipe specimens are made with three different types of most commonly occurring through thickness corrosion/leaking defects. The metallic seal is applied over the through thickness corrosion/leaking defect and it is reinforced with glass/epoxy composite overwrap. The main objective of the metallic seal is to arrest the leak at live pressure. After reinforcing the metallic seal with glass/epoxy composite overwrap, the repaired composite wrap is able to sustain high pressures. Burst test is performed for different configurations of metallic seal and optimum configuration of metallic seal is determined. The optimum configurations of metallic seal for three different types of through thickness corrosion/leaking defects are further reinforced with glass/epoxy composite wrap and experimental failure pressure is determined by performing the burst test. An analytical model as per ISO 24817 has been developed to validate experimental results. © Published under licence by IOP Publishing Ltd.
About the journal
JournalIOP Conference Series: Materials Science and Engineering
PublisherInstitute of Physics Publishing
ISSN17578981
Open AccessYes
Concepts (17)
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    Defects
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    Fiber reinforced plastics
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    Glass
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    Manufacture
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    Metals
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    Pipelines
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    Reinforcement
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    Repair
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    COMPOSITE WRAPS
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    CORRODED PIPELINES
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    FAILURE PRESSURE
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    Fiber reinforced polymers
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    GLASS/EPOXY COMPOSITE
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    High pressure
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    Optimum configurations
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    Through-thickness
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    PIPELINE CORROSION