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Damage monitoring of ship FRP during exposure to explosion impacts
Blekinge Institute of Technology, School of Engineering, Department of Mechanical Engineering.
2011 (English)Conference paper (Refereed) Published
Abstract [en]

Fiber Reinforced Plastics (FRP) has been used by Kockums' shipyard in the manufacturing of ships over 35 years, during which time is has been proven to be durable and practical. The light weight makes it a more and more attractive material as energy and material expenditure decreases are required. A special application is the Composite Superstructure Concept [1] where composite materials are added on top of a steel hull, which decreases the weight and running costs considerably, and makes it possible to even add extra levels while keeping the same center of gravity. If efficient condition monitoring systems can keep track of emerging damages of the structure, the weight may be even more reduced and the interval between maintenance inspections may be prolonged. As important steps in this process, a ship mock-up section was subjected to increased levels of explosive underwater impacts, and the damage progression in the hull was monitored by a nonlinear acoustic technique.

Place, publisher, year, edition, pages
Jeju Island Korea: The Korean Society of Composite Materials , 2011.
National Category
Fluid Mechanics and Acoustics
URN: urn:nbn:se:bth-6829Local ID: diva2:834376
The 18th International Conference on Composite Materials
Note ntation/Aug23(Tuesday)/T30%20Structural%20Health%20Monitoring%20and%20Management %20(SHM)/T30-5-IF1783.pdfAvailable from: 2013-12-10 Created: 2013-12-10 Last updated: 2015-06-30Bibliographically approved

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Hedberg, Claes
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