A Review on Damage Inspection Techniques in Composite Structures
Abstract
Damage occurred in structures or components can induce changes in its local and global
properties. These changes in properties can affect the performance of component, and
sometimes, it leads to a catastrophic failure. Hence, components/structures especially
composites need to be inspected regularly for damage. With extensive research in sensors and
data processing techniques various damage inspection techniques for composites are evolved.
Damage inspection is part of Structural Health Monitoring (SHM) process. The paper provides
a review of various damage inspection techniques used in SHM of composites. Different
techniques available for damage inspection are ultrasonic techniques, acoustic emission
technique, vibration techniques and guided wave methods have been reviewed for their
principle of working and applications areas. The basic concept of lamb waves has been
discussed in detail. With availability of new computational capabilities and advancement in
sensor technology, lamb wave techniques can a very optimum option in damage inspection.
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DOI: https://doi.org/10.37591/rtecs.v7i3.5401
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